* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2016, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <sys/time.h>
#include <sys/types.h>
#include <sys/xattr.h>
+#include <sys/sysmacros.h>
#include <time.h>
#include <fnmatch.h>
#include <libgen.h> /* for dirname() */
+#include <linux/limits.h>
#ifdef HAVE_LINUX_UNISTD_H
#include <linux/unistd.h>
#else
#include <unistd.h>
#endif
#include <poll.h>
+#include <time.h>
+#include <inttypes.h>
#include <libcfs/util/ioctl.h>
#include <libcfs/util/param.h>
#include <linux/lustre/lustre_ostid.h>
#include <linux/lustre/lustre_ioctl.h>
#include "lustreapi_internal.h"
+#include "lstddef.h"
static int llapi_msg_level = LLAPI_MSG_MAX;
+const char *liblustreapi_cmd;
char *mdt_hash_name[] = { "none",
LMV_HASH_NAME_ALL_CHARS,
- LMV_HASH_NAME_FNV_1A_64 };
+ LMV_HASH_NAME_FNV_1A_64,
+ LMV_HASH_NAME_CRUSH,
+};
+
+struct lustre_foreign_type lu_foreign_types[] = {
+ {.lft_type = LU_FOREIGN_TYPE_NONE, .lft_name = "none"},
+ {.lft_type = LU_FOREIGN_TYPE_DAOS, .lft_name = "daos"},
+ /* must be the last element */
+ {.lft_type = LU_FOREIGN_TYPE_UNKNOWN, .lft_name = NULL}
+ /* array max dimension must be <= UINT32_MAX */
+};
void llapi_msg_set_level(int level)
{
- /* ensure level is in the good range */
- if (level < LLAPI_MSG_OFF)
- llapi_msg_level = LLAPI_MSG_OFF;
- else if (level > LLAPI_MSG_MAX)
- llapi_msg_level = LLAPI_MSG_MAX;
- else
- llapi_msg_level = level;
+ /* ensure level is in the good range */
+ if (level < LLAPI_MSG_OFF)
+ llapi_msg_level = LLAPI_MSG_OFF;
+ else if (level > LLAPI_MSG_MAX)
+ llapi_msg_level = LLAPI_MSG_MAX;
+ else
+ llapi_msg_level = level;
}
int llapi_msg_get_level(void)
return llapi_msg_level;
}
+void llapi_set_command_name(const char *cmd)
+{
+ liblustreapi_cmd = cmd;
+}
+
+void llapi_clear_command_name(void)
+{
+ liblustreapi_cmd = NULL;
+}
+
static void error_callback_default(enum llapi_message_level level, int err,
const char *fmt, va_list ap)
{
- vfprintf(stderr, fmt, ap);
- if (level & LLAPI_MSG_NO_ERRNO)
- fprintf(stderr, "\n");
+ bool has_nl = strchr(fmt, '\n') != NULL;
+
+ if (liblustreapi_cmd != NULL)
+ fprintf(stderr, "%s %s: ", program_invocation_short_name,
+ liblustreapi_cmd);
else
+ fprintf(stderr, "%s: ", program_invocation_short_name);
+
+
+ if (level & LLAPI_MSG_NO_ERRNO) {
+ vfprintf(stderr, fmt, ap);
+ if (!has_nl)
+ fprintf(stderr, "\n");
+ } else {
+ char *newfmt;
+
+ /*
+ * Remove trailing linefeed so error string can be appended.
+ * @fmt is a const string, so we can't modify it directly.
+ */
+ if (has_nl && (newfmt = strdup(fmt)))
+ *strrchr(newfmt, '\n') = '\0';
+ else
+ newfmt = (char *)fmt;
+
+ vfprintf(stderr, newfmt, ap);
+ if (newfmt != fmt)
+ free(newfmt);
fprintf(stderr, ": %s (%d)\n", strerror(err), err);
+ }
}
static void info_callback_default(enum llapi_message_level level, int err,
const char *fmt, va_list ap)
{
+ if (err != 0) {
+ if (liblustreapi_cmd != NULL) {
+ fprintf(stdout, "%s %s: ",
+ program_invocation_short_name,
+ liblustreapi_cmd);
+ } else {
+ fprintf(stdout, "%s: ", program_invocation_short_name);
+ }
+ }
vfprintf(stdout, fmt, ap);
}
return 0;
}
-int obd_ioctl_pack(struct obd_ioctl_data *data, char **pbuf, int max_len)
+int llapi_ioctl_pack(struct obd_ioctl_data *data, char **pbuf, int max_len)
{
struct obd_ioctl_data *overlay;
char *ptr;
data->ioc_version = OBD_IOCTL_VERSION;
if (*pbuf != NULL && data->ioc_len > max_len) {
- fprintf(stderr, "pbuf = %p, ioc_len = %u, max_len = %d\n",
- *pbuf, data->ioc_len, max_len);
+ llapi_error(LLAPI_MSG_ERROR, -EINVAL,
+ "pbuf = %p, ioc_len = %u, max_len = %d",
+ *pbuf, data->ioc_len, max_len);
return -EINVAL;
}
ptr = overlay->ioc_bulk;
if (data->ioc_inlbuf1) {
memcpy(ptr, data->ioc_inlbuf1, data->ioc_inllen1);
- ptr += cfs_size_round(data->ioc_inllen1);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen1, 8);
}
if (data->ioc_inlbuf2) {
memcpy(ptr, data->ioc_inlbuf2, data->ioc_inllen2);
- ptr += cfs_size_round(data->ioc_inllen2);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen2, 8);
}
if (data->ioc_inlbuf3) {
memcpy(ptr, data->ioc_inlbuf3, data->ioc_inllen3);
- ptr += cfs_size_round(data->ioc_inllen3);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen3, 8);
}
if (data->ioc_inlbuf4) {
memcpy(ptr, data->ioc_inlbuf4, data->ioc_inllen4);
- ptr += cfs_size_round(data->ioc_inllen4);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen4, 8);
}
return 0;
}
-int obd_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf, int max_len)
+int llapi_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf, int max_len)
{
struct obd_ioctl_data *overlay;
char *ptr;
ptr = overlay->ioc_bulk;
if (data->ioc_inlbuf1) {
memcpy(data->ioc_inlbuf1, ptr, data->ioc_inllen1);
- ptr += cfs_size_round(data->ioc_inllen1);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen1, 8);
}
if (data->ioc_inlbuf2) {
memcpy(data->ioc_inlbuf2, ptr, data->ioc_inllen2);
- ptr += cfs_size_round(data->ioc_inllen2);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen2, 8);
}
if (data->ioc_inlbuf3) {
memcpy(data->ioc_inlbuf3, ptr, data->ioc_inllen3);
- ptr += cfs_size_round(data->ioc_inllen3);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen3, 8);
}
if (data->ioc_inlbuf4) {
memcpy(data->ioc_inlbuf4, ptr, data->ioc_inllen4);
- ptr += cfs_size_round(data->ioc_inllen4);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen4, 8);
}
return 0;
int llapi_stripe_limit_check(unsigned long long stripe_size, int stripe_offset,
int stripe_count, int stripe_pattern)
{
- int page_size, rc;
+ static int page_size;
+ int rc = 0;
- /* 64 KB is the largest common page size I'm aware of (on ia64), but
- * check the local page size just in case. */
- page_size = LOV_MIN_STRIPE_SIZE;
- if (getpagesize() > page_size) {
- page_size = getpagesize();
- llapi_err_noerrno(LLAPI_MSG_WARN,
- "warning: your page size (%u) is "
- "larger than expected (%u)", page_size,
- LOV_MIN_STRIPE_SIZE);
+ if (page_size == 0) {
+ /*
+ * 64 KB is the largest common page size (on ia64/PPC/ARM),
+ * but check the local page size just in case. The page_size
+ * will not change for the lifetime of this process at least.
+ */
+ page_size = LOV_MIN_STRIPE_SIZE;
+ if (getpagesize() > page_size) {
+ page_size = getpagesize();
+ llapi_err_noerrno(LLAPI_MSG_WARN,
+ "warning: page size (%u) larger than expected (%u)",
+ page_size, LOV_MIN_STRIPE_SIZE);
+ }
}
if (!llapi_stripe_size_is_aligned(stripe_size)) {
rc = -EINVAL;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe_size %llu, "
- "must be an even multiple of %d bytes",
- stripe_size, page_size);
- return rc;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: bad stripe_size %llu, must be an even multiple of %d bytes",
+ (unsigned long long)stripe_size, page_size);
+ goto out;
}
if (!llapi_stripe_index_is_valid(stripe_offset)) {
rc = -EINVAL;
llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe offset %d",
stripe_offset);
- return rc;
+ goto out;
}
if (!llapi_stripe_count_is_valid(stripe_count)) {
rc = -EINVAL;
llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe count %d",
stripe_count);
- return rc;
+ goto out;
}
if (llapi_stripe_size_is_too_big(stripe_size)) {
rc = -EINVAL;
llapi_error(LLAPI_MSG_ERROR, rc,
- "warning: stripe size 4G or larger "
- "is not currently supported and would wrap");
+ "error: stripe size '%llu' over 4GB limit",
+ (unsigned long long)stripe_size);
+ goto out;
+ }
+
+out:
+ errno = -rc;
+ return rc;
+}
+
+int llapi_dir_stripe_limit_check(int stripe_offset, int stripe_count,
+ int hash_type)
+{
+ int rc;
+
+ if (!llapi_dir_stripe_index_is_valid(stripe_offset)) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe offset %d",
+ stripe_offset);
+ return rc;
+ }
+ if (!llapi_dir_stripe_count_is_valid(stripe_count)) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe count %d",
+ stripe_count);
+ return rc;
+ }
+
+ if (!llapi_dir_hash_type_is_valid(hash_type)) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad hash type %d",
+ hash_type);
return rc;
}
return 0;
static int get_mds_md_size(const char *path)
{
- char buf[PATH_MAX], inst[PATH_MAX];
int md_size = lov_user_md_size(LOV_MAX_STRIPE_COUNT, LOV_USER_MAGIC_V3);
- int rc;
- rc = llapi_getname(path, inst, sizeof(inst));
- if (rc != 0)
- return md_size;
-
- /* Get the max ea size from llite parameters. */
- rc = get_lustre_param_value("llite", inst, FILTER_BY_EXACT,
- "max_easize", buf, sizeof(buf));
- if (rc != 0)
- return md_size;
+ /*
+ * Rather than open the file and do the ioctl to get the
+ * instance name and close the file and search for the param
+ * file and open the param file and read the param file and
+ * parse the value and close the param file, let's just return
+ * a large enough value. It's 2020, RAM is cheap and this is
+ * much faster.
+ */
- rc = atoi(buf);
+ if (md_size < XATTR_SIZE_MAX)
+ md_size = XATTR_SIZE_MAX;
- return rc > 0 ? rc : md_size;
+ return md_size;
}
int llapi_get_agent_uuid(char *path, char *buf, size_t bufsize)
return get_param_lmv(path, "uuid", buf, bufsize);
}
-/*
- * if pool is NULL, search ostname in target_obd
- * if pool is not NULL:
- * if pool not found returns errno < 0
- * if ostname is NULL, returns 1 if pool is not empty and 0 if pool empty
- * if ostname is not NULL, returns 1 if OST is in pool and 0 if not
- */
-int llapi_search_ost(char *fsname, char *poolname, char *ostname)
-{
- char buffer[PATH_MAX];
- size_t len = 0;
- glob_t param;
- FILE *fd;
- int rc;
-
- /* You need one or the other */
- if (poolname == NULL && fsname == NULL)
- return -EINVAL;
-
- if (ostname != NULL)
- len = strlen(ostname);
-
- if (poolname == NULL && len == 0)
- return -EINVAL;
-
- /* Search by poolname and fsname if is not NULL */
- if (poolname != NULL) {
- rc = poolpath(¶m, fsname, NULL);
- if (rc == 0) {
- snprintf(buffer, sizeof(buffer), "%s/%s",
- param.gl_pathv[0], poolname);
- }
- } else if (fsname != NULL) {
- rc = get_lustre_param_path("lov", fsname,
- FILTER_BY_FS_NAME,
- "target_obd", ¶m);
- if (rc == 0) {
- strncpy(buffer, param.gl_pathv[0],
- sizeof(buffer));
- }
- } else {
- return -EINVAL;
- }
- cfs_free_param_data(¶m);
- if (rc)
- return rc;
-
- fd = fopen(buffer, "r");
- if (fd == NULL)
- return -errno;
-
- while (fgets(buffer, sizeof(buffer), fd) != NULL) {
- if (poolname == NULL) {
- char *ptr;
- /* Search for an ostname in the list of OSTs
- Line format is IDX: fsname-OSTxxxx_UUID STATUS */
- ptr = strchr(buffer, ' ');
- if ((ptr != NULL) &&
- (strncmp(ptr + 1, ostname, len) == 0)) {
- fclose(fd);
- return 1;
- }
- } else {
- /* Search for an ostname in a pool,
- (or an existing non-empty pool if no ostname) */
- if ((ostname == NULL) ||
- (strncmp(buffer, ostname, len) == 0)) {
- fclose(fd);
- return 1;
- }
- }
- }
- fclose(fd);
- return 0;
-}
-
/**
* Open a Lustre file.
*
/* Make sure we have a good pool */
if (pool_name != NULL) {
- /* in case user gives the full pool name <fsname>.<poolname>,
- * strip the fsname */
+ /*
+ * in case user gives the full pool name <fsname>.<poolname>,
+ * strip the fsname
+ */
char *ptr = strchr(pool_name, '.');
+
if (ptr != NULL) {
*ptr = '\0';
if (strcmp(pool_name, fsname) != 0) {
/* sanity check of target list */
if (param->lsp_is_specific) {
- char ostname[MAX_OBD_NAME + 1];
+ char ostname[MAX_OBD_NAME + 64];
bool found = false;
int i;
}
if (!found) {
llapi_error(LLAPI_MSG_ERROR, -EINVAL,
- "%s: stripe offset '%d' is not in the "
- "target list",
+ "%s: stripe offset '%d' is not in the target list",
__func__, param->lsp_stripe_offset);
return -EINVAL;
}
lumv3->lmm_magic = LOV_USER_MAGIC_SPECIFIC;
if (pool_name == NULL) {
- /* LOV_USER_MAGIC_SPECIFIC uses v3 format plus specified
+ /*
+ * LOV_USER_MAGIC_SPECIFIC uses v3 format plus specified
* OST list, therefore if pool is not specified we have
- * to pack a null pool name for placeholder. */
+ * to pack a null pool name for placeholder.
+ */
memset(lumv3->lmm_pool_name, 0, LOV_MAXPOOLNAME);
}
}
if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, lum) != 0) {
- char *errmsg = "stripe already set";
+ char errmsg[512] = "stripe already set";
rc = -errno;
if (errno != EEXIST && errno != EALREADY)
- errmsg = strerror(errno);
+ strncpy(errmsg, strerror(errno), sizeof(errmsg) - 1);
+ if (rc == -EREMOTEIO)
+ snprintf(errmsg, sizeof(errmsg),
+ "inactive OST among your specified %d OST(s)",
+ param->lsp_stripe_count);
llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error on ioctl %#jx for '%s' (%d): %s",
- (uintmax_t)LL_IOC_LOV_SETSTRIPE, name, fd,
- errmsg);
+ "setstripe error for '%s': %s", name, errmsg);
close(fd);
fd = rc;
}
int llapi_file_open(const char *name, int flags, int mode,
- unsigned long long stripe_size, int stripe_offset,
- int stripe_count, int stripe_pattern)
+ unsigned long long stripe_size, int stripe_offset,
+ int stripe_count, int stripe_pattern)
+{
+ return llapi_file_open_pool(name, flags, mode, stripe_size,
+ stripe_offset, stripe_count,
+ stripe_pattern, NULL);
+}
+
+int llapi_file_create_foreign(const char *name, mode_t mode, __u32 type,
+ __u32 flags, char *foreign_lov)
{
- return llapi_file_open_pool(name, flags, mode, stripe_size,
- stripe_offset, stripe_count,
- stripe_pattern, NULL);
+ size_t len;
+ struct lov_foreign_md *lfm;
+ int fd, rc;
+
+ if (foreign_lov == NULL) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "foreign LOV EA content must be provided");
+ goto out_err;
+ }
+
+ len = strlen(foreign_lov);
+ if (len > XATTR_SIZE_MAX - offsetof(struct lov_foreign_md, lfm_value) ||
+ len <= 0) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "foreign LOV EA size %zu (must be 0 < len < %zu)",
+ len, XATTR_SIZE_MAX -
+ offsetof(struct lov_foreign_md, lfm_value));
+ goto out_err;
+ }
+
+ lfm = malloc(len + offsetof(struct lov_foreign_md, lfm_value));
+ if (lfm == NULL) {
+ rc = -ENOMEM;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "failed to allocate lov_foreign_md");
+ goto out_err;
+ }
+
+ fd = open(name, O_WRONLY|O_CREAT|O_LOV_DELAY_CREATE, mode);
+ if (fd == -1) {
+ fd = -errno;
+ llapi_error(LLAPI_MSG_ERROR, fd, "open '%s' failed", name);
+ goto out_free;
+ }
+
+ lfm->lfm_magic = LOV_USER_MAGIC_FOREIGN;
+ lfm->lfm_length = len;
+ lfm->lfm_type = type;
+ lfm->lfm_flags = flags;
+ memcpy(lfm->lfm_value, foreign_lov, len);
+
+ if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, lfm) != 0) {
+ char *errmsg = "stripe already set";
+
+ rc = -errno;
+ if (errno == ENOTTY)
+ errmsg = "not on a Lustre filesystem";
+ else if (errno == EEXIST || errno == EALREADY)
+ errmsg = "stripe already set";
+ else
+ errmsg = strerror(errno);
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "setstripe error for '%s': %s", name, errmsg);
+
+ close(fd);
+ fd = rc;
+ }
+
+out_free:
+ free(lfm);
+
+ return fd;
+
+out_err:
+ errno = -rc;
+ return rc;
}
int llapi_file_create(const char *name, unsigned long long stripe_size,
- int stripe_offset, int stripe_count, int stripe_pattern)
+ int stripe_offset, int stripe_count, int stripe_pattern)
{
- int fd;
+ int fd;
- fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
- stripe_offset, stripe_count, stripe_pattern,
- NULL);
- if (fd < 0)
- return fd;
+ fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
+ stripe_offset, stripe_count, stripe_pattern,
+ NULL);
+ if (fd < 0)
+ return fd;
- close(fd);
- return 0;
+ close(fd);
+ return 0;
}
int llapi_file_create_pool(const char *name, unsigned long long stripe_size,
- int stripe_offset, int stripe_count,
- int stripe_pattern, char *pool_name)
+ int stripe_offset, int stripe_count,
+ int stripe_pattern, char *pool_name)
{
- int fd;
+ int fd;
- fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
- stripe_offset, stripe_count, stripe_pattern,
- pool_name);
- if (fd < 0)
- return fd;
+ fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
+ stripe_offset, stripe_count, stripe_pattern,
+ pool_name);
+ if (fd < 0)
+ return fd;
- close(fd);
- return 0;
+ close(fd);
+ return 0;
}
-int llapi_dir_set_default_lmv_stripe(const char *name, int stripe_offset,
- int stripe_count, int stripe_pattern,
- const char *pool_name)
+static int verify_dir_param(const char *name,
+ const struct llapi_stripe_param *param)
{
- struct lmv_user_md lum = { 0 };
- int fd;
- int rc = 0;
+ char fsname[MAX_OBD_NAME + 1] = { 0 };
+ char *pool_name = param->lsp_pool;
+ int rc;
+
+ /* Make sure we are on a Lustre file system */
+ rc = llapi_search_fsname(name, fsname);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "'%s' is not on a Lustre filesystem",
+ name);
+ return rc;
+ }
+
+ /* Check if the stripe pattern is sane. */
+ rc = llapi_dir_stripe_limit_check(param->lsp_stripe_offset,
+ param->lsp_stripe_count,
+ param->lsp_stripe_pattern);
+ if (rc != 0)
+ return rc;
- lum.lum_magic = LMV_USER_MAGIC;
- lum.lum_stripe_offset = stripe_offset;
- lum.lum_stripe_count = stripe_count;
- lum.lum_hash_type = stripe_pattern;
+ /* Make sure we have a good pool */
if (pool_name != NULL) {
- if (strlen(pool_name) >= sizeof(lum.lum_pool_name)) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error LL_IOC_LMV_SET_DEFAULT_STRIPE '%s'"
- ": too large pool name: %s", name, pool_name);
- return -E2BIG;
+ /*
+ * in case user gives the full pool name <fsname>.<poolname>,
+ * strip the fsname
+ */
+ char *ptr = strchr(pool_name, '.');
+
+ if (ptr != NULL) {
+ *ptr = '\0';
+ if (strcmp(pool_name, fsname) != 0) {
+ *ptr = '.';
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Pool '%s' is not on filesystem '%s'",
+ pool_name, fsname);
+ return -EINVAL;
+ }
+ pool_name = ptr + 1;
+ }
+
+ /* Make sure the pool exists and is non-empty */
+ rc = llapi_search_tgt(fsname, pool_name, NULL, true);
+ if (rc < 1) {
+ char *err = rc == 0 ? "has no OSTs" : "does not exist";
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR, "pool '%s.%s' %s",
+ fsname, pool_name, err);
+ return -EINVAL;
+ }
+ }
+
+ /* sanity check of target list */
+ if (param->lsp_is_specific) {
+ char mdtname[MAX_OBD_NAME + 64];
+ bool found = false;
+ int i;
+
+ for (i = 0; i < param->lsp_stripe_count; i++) {
+ snprintf(mdtname, sizeof(mdtname), "%s-MDT%04x_UUID",
+ fsname, param->lsp_tgts[i]);
+ rc = llapi_search_tgt(fsname, pool_name, mdtname, true);
+ if (rc <= 0) {
+ if (rc == 0)
+ rc = -ENODEV;
+
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "%s: cannot find MDT %s in %s",
+ __func__, mdtname,
+ pool_name != NULL ?
+ "pool" : "system");
+ return rc;
+ }
+
+ /* Make sure stripe offset is in MDT list. */
+ if (param->lsp_tgts[i] == param->lsp_stripe_offset)
+ found = true;
+ }
+ if (!found) {
+ llapi_error(LLAPI_MSG_ERROR, -EINVAL,
+ "%s: stripe offset '%d' is not in the target list",
+ __func__, param->lsp_stripe_offset);
+ return -EINVAL;
}
- strncpy(lum.lum_pool_name, pool_name,
- sizeof(lum.lum_pool_name));
}
+ return 0;
+}
+
+static inline void param2lmu(struct lmv_user_md *lmu,
+ const struct llapi_stripe_param *param)
+{
+ lmu->lum_magic = param->lsp_is_specific ? LMV_USER_MAGIC_SPECIFIC :
+ LMV_USER_MAGIC;
+ lmu->lum_stripe_count = param->lsp_stripe_count;
+ lmu->lum_stripe_offset = param->lsp_stripe_offset;
+ lmu->lum_hash_type = param->lsp_stripe_pattern;
+ if (param->lsp_pool != NULL)
+ strncpy(lmu->lum_pool_name, param->lsp_pool, LOV_MAXPOOLNAME);
+ if (param->lsp_is_specific) {
+ int i;
+
+ for (i = 0; i < param->lsp_stripe_count; i++)
+ lmu->lum_objects[i].lum_mds = param->lsp_tgts[i];
+ }
+}
+
+int llapi_dir_set_default_lmv(const char *name,
+ const struct llapi_stripe_param *param)
+{
+ struct lmv_user_md lmu = { 0 };
+ int fd;
+ int rc = 0;
+
+ rc = verify_dir_param(name, param);
+ if (rc)
+ return rc;
+
+ /* TODO: default lmv doesn't support specific targets yet */
+ if (param->lsp_is_specific)
+ return -EINVAL;
+
+ param2lmu(&lmu, param);
+
fd = open(name, O_DIRECTORY | O_RDONLY);
if (fd < 0) {
rc = -errno;
return rc;
}
- rc = ioctl(fd, LL_IOC_LMV_SET_DEFAULT_STRIPE, &lum);
+ rc = ioctl(fd, LL_IOC_LMV_SET_DEFAULT_STRIPE, &lmu);
if (rc < 0) {
char *errmsg = "stripe already set";
+
rc = -errno;
if (errno != EEXIST && errno != EALREADY)
errmsg = strerror(errno);
llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error on LL_IOC_LMV_SETSTRIPE '%s' (%d): %s",
- name, fd, errmsg);
+ "default dirstripe error on '%s': %s",
+ name, errmsg);
}
close(fd);
return rc;
}
-int llapi_dir_create_pool(const char *name, int mode, int stripe_offset,
- int stripe_count, int stripe_pattern,
- const char *pool_name)
+int llapi_dir_set_default_lmv_stripe(const char *name, int stripe_offset,
+ int stripe_count, int stripe_pattern,
+ const char *pool_name)
{
- struct lmv_user_md lmu = { 0 };
+ const struct llapi_stripe_param param = {
+ .lsp_stripe_count = stripe_count,
+ .lsp_stripe_offset = stripe_offset,
+ .lsp_stripe_pattern = stripe_pattern,
+ .lsp_pool = (char *)pool_name
+ };
+
+ return llapi_dir_set_default_lmv(name, ¶m);
+}
+
+/**
+ * Create a Lustre directory.
+ *
+ * \param name the name of the directory to be created
+ * \param mode permission of the file if it is created, see mode in open(2)
+ * \param param stripe pattern of the newly created directory
+ *
+ * \retval 0 on success
+ * \retval negative errno on failure
+ */
+int llapi_dir_create(const char *name, mode_t mode,
+ const struct llapi_stripe_param *param)
+{
+ struct lmv_user_md *lmu = NULL;
+ size_t lmu_size;
struct obd_ioctl_data data = { 0 };
char rawbuf[8192];
char *buf = rawbuf;
char *namepath = NULL;
char *dir;
char *filename;
- int fd = -1;
- int rc;
+ int fd, rc;
- dirpath = strdup(name);
- namepath = strdup(name);
- if (!dirpath || !namepath)
+ rc = verify_dir_param(name, param);
+ if (rc)
+ return rc;
+
+ lmu_size = lmv_user_md_size(param->lsp_stripe_count,
+ param->lsp_is_specific ?
+ LMV_USER_MAGIC_SPECIFIC :
+ LMV_USER_MAGIC);
+
+ lmu = calloc(1, lmu_size);
+ if (lmu == NULL)
return -ENOMEM;
- lmu.lum_magic = LMV_USER_MAGIC;
- lmu.lum_stripe_offset = stripe_offset;
- lmu.lum_stripe_count = stripe_count;
- lmu.lum_hash_type = stripe_pattern;
- if (pool_name != NULL) {
- if (strlen(pool_name) > LOV_MAXPOOLNAME) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error LL_IOC_LMV_SETSTRIPE '%s' : too large"
- "pool name: %s", name, pool_name);
- rc = -E2BIG;
- goto out;
- }
- memcpy(lmu.lum_pool_name, pool_name, strlen(pool_name));
+ dirpath = strdup(name);
+ if (!dirpath) {
+ free(lmu);
+ return -ENOMEM;
+ }
+
+ namepath = strdup(name);
+ if (!namepath) {
+ free(dirpath);
+ free(lmu);
+ return -ENOMEM;
}
+ param2lmu(lmu, param);
+
filename = basename(namepath);
dir = dirname(dirpath);
data.ioc_inlbuf1 = (char *)filename;
data.ioc_inllen1 = strlen(filename) + 1;
- data.ioc_inlbuf2 = (char *)&lmu;
- data.ioc_inllen2 = sizeof(struct lmv_user_md);
+ data.ioc_inlbuf2 = (char *)lmu;
+ data.ioc_inllen2 = lmu_size;
data.ioc_type = mode;
- rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
if (rc) {
llapi_error(LLAPI_MSG_ERROR, rc,
"error: LL_IOC_LMV_SETSTRIPE pack failed '%s'.",
if (ioctl(fd, LL_IOC_LMV_SETSTRIPE, buf)) {
char *errmsg = "stripe already set";
+
rc = -errno;
if (errno != EEXIST && errno != EALREADY)
errmsg = strerror(errno);
llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error on LL_IOC_LMV_SETSTRIPE '%s' (%d): %s",
- name, fd, errmsg);
+ "dirstripe error on '%s': %s", name, errmsg);
}
close(fd);
out:
+ free(namepath);
free(dirpath);
+ free(lmu);
+ return rc;
+}
+
+/**
+ * Create a foreign directory.
+ *
+ * \param name the name of the directory to be created
+ * \param mode permission of the file if it is created, see mode in open(2)
+ * \param type foreign type to be set in LMV EA
+ * \param flags foreign flags to be set in LMV EA
+ * \param value foreign pattern to be set in LMV EA
+ *
+ * \retval 0 on success
+ * \retval negative errno on failure
+ */
+int llapi_dir_create_foreign(const char *name, mode_t mode, __u32 type,
+ __u32 flags, const char *value)
+{
+ struct lmv_foreign_md *lfm = NULL;
+ size_t lfm_size, len;
+ struct obd_ioctl_data data = { 0 };
+ char rawbuf[8192];
+ char *buf = rawbuf;
+ char *dirpath = NULL;
+ char *namepath = NULL;
+ char *dir;
+ char *filename;
+ int fd, rc;
+
+ len = strlen(value);
+ if (len > XATTR_SIZE_MAX - offsetof(struct lmv_foreign_md, lfm_value) ||
+ len <= 0) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "invalid LOV EA length %zu (must be 0 < len < %zu)",
+ len, XATTR_SIZE_MAX -
+ offsetof(struct lmv_foreign_md, lfm_value));
+ return rc;
+ }
+ lfm_size = len + offsetof(struct lmv_foreign_md, lfm_value);
+ lfm = calloc(1, lfm_size);
+ if (lfm == NULL)
+ return -ENOMEM;
+
+ dirpath = strdup(name);
+ if (!dirpath) {
+ free(lfm);
+ return -ENOMEM;
+ }
+
+ namepath = strdup(name);
+ if (!namepath) {
+ free(dirpath);
+ free(lfm);
+ return -ENOMEM;
+ }
+
+ lfm->lfm_magic = LMV_MAGIC_FOREIGN;
+ lfm->lfm_length = len;
+ lfm->lfm_type = type;
+ lfm->lfm_flags = flags;
+ memcpy(lfm->lfm_value, value, len);
+
+ filename = basename(namepath);
+ dir = dirname(dirpath);
+
+ data.ioc_inlbuf1 = (char *)filename;
+ data.ioc_inllen1 = strlen(filename) + 1;
+ data.ioc_inlbuf2 = (char *)lfm;
+ data.ioc_inllen2 = lfm_size;
+ data.ioc_type = mode;
+ rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: LL_IOC_LMV_SETSTRIPE pack failed '%s'.",
+ name);
+ goto out;
+ }
+
+ fd = open(dir, O_DIRECTORY | O_RDONLY);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'", name);
+ goto out;
+ }
+
+ if (ioctl(fd, LL_IOC_LMV_SETSTRIPE, buf)) {
+ char *errmsg = "stripe already set";
+
+ rc = -errno;
+ if (errno != EEXIST && errno != EALREADY)
+ errmsg = strerror(errno);
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "dirstripe error on '%s': %s", name, errmsg);
+ }
+ close(fd);
+out:
free(namepath);
+ free(dirpath);
+ free(lfm);
return rc;
}
+int llapi_dir_create_pool(const char *name, int mode, int stripe_offset,
+ int stripe_count, int stripe_pattern,
+ const char *pool_name)
+{
+ const struct llapi_stripe_param param = {
+ .lsp_stripe_count = stripe_count,
+ .lsp_stripe_offset = stripe_offset,
+ .lsp_stripe_pattern = stripe_pattern,
+ .lsp_pool = (char *)pool_name
+ };
+
+ return llapi_dir_create(name, mode, ¶m);
+}
+
int llapi_direntry_remove(char *dname)
{
char *dirpath = NULL;
goto out;
}
- if (ioctl(fd, LL_IOC_REMOVE_ENTRY, filename)) {
- char *errmsg = strerror(errno);
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error on ioctl %#jx for '%s' (%d): %s",
- (uintmax_t)LL_IOC_LMV_SETSTRIPE, filename,
- fd, errmsg);
- }
+ if (ioctl(fd, LL_IOC_REMOVE_ENTRY, filename))
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "error on ioctl %#lx for '%s' (%d)",
+ (long)LL_IOC_LMV_SETSTRIPE, filename, fd);
out:
free(dirpath);
free(namepath);
FILE *fp;
int idx = 0, len = 0, mntlen, fd;
int rc = -ENODEV;
+ int fsnamelen, mountlen;
- /* get the mount point */
+ /* get the mount point */
fp = setmntent(PROC_MOUNTS, "r");
if (fp == NULL) {
rc = -EIO;
llapi_error(LLAPI_MSG_ERROR, rc,
- "setmntent(%s) failed", PROC_MOUNTS);
+ "cannot retrieve filesystem mount point");
return rc;
}
- while (1) {
- if (getmntent_r(fp, &mnt, buf, sizeof(buf)) == NULL)
- break;
+ while (1) {
+ if (getmntent_r(fp, &mnt, buf, sizeof(buf)) == NULL)
+ break;
- if (!llapi_is_lustre_mnt(&mnt))
- continue;
+ if (!llapi_is_lustre_mnt(&mnt))
+ continue;
- if ((want & WANT_INDEX) && (idx++ != index))
- continue;
+ if ((want & WANT_INDEX) && (idx++ != index))
+ continue;
- mntlen = strlen(mnt.mnt_dir);
+ mntlen = strlen(mnt.mnt_dir);
ptr = strchr(mnt.mnt_fsname, '/');
while (ptr && *ptr == '/')
ptr++;
- /* thanks to the call to llapi_is_lustre_mnt() above,
+ /*
+ * thanks to the call to llapi_is_lustre_mnt() above,
* we are sure that mnt.mnt_fsname contains ":/",
- * so ptr should never be NULL */
+ * so ptr should never be NULL
+ */
if (ptr == NULL)
continue;
ptr_end = ptr;
ptr_end++;
/* Check the fsname for a match, if given */
- if (!(want & WANT_FSNAME) && fsname != NULL &&
- (strlen(fsname) > 0) &&
- (strncmp(ptr, fsname, ptr_end - ptr) != 0))
- continue;
+ mountlen = ptr_end - ptr;
+ if (!(want & WANT_FSNAME) && fsname != NULL &&
+ (fsnamelen = strlen(fsname)) > 0 &&
+ (fsnamelen != mountlen ||
+ (strncmp(ptr, fsname, mountlen) != 0)))
+ continue;
- /* If the path isn't set return the first one we find */
+ /* If the path isn't set return the first one we find */
if (path == NULL || strlen(path) == 0) {
- strncpy(mntdir, mnt.mnt_dir, strlen(mnt.mnt_dir));
- mntdir[strlen(mnt.mnt_dir)] = '\0';
+ strncpy(mntdir, mnt.mnt_dir, sizeof(mntdir) - 1);
+ mntdir[sizeof(mntdir) - 1] = '\0';
if ((want & WANT_FSNAME) && fsname != NULL) {
- strncpy(fsname, ptr, ptr_end - ptr);
- fsname[ptr_end - ptr] = '\0';
+ strncpy(fsname, ptr, mountlen);
+ fsname[mountlen] = '\0';
}
rc = 0;
break;
/* Otherwise find the longest matching path */
} else if ((strlen(path) >= mntlen) && (mntlen >= len) &&
(strncmp(mnt.mnt_dir, path, mntlen) == 0)) {
- strncpy(mntdir, mnt.mnt_dir, strlen(mnt.mnt_dir));
- mntdir[strlen(mnt.mnt_dir)] = '\0';
+ strncpy(mntdir, mnt.mnt_dir, sizeof(mntdir) - 1);
+ mntdir[sizeof(mntdir) - 1] = '\0';
len = mntlen;
if ((want & WANT_FSNAME) && fsname != NULL) {
- strncpy(fsname, ptr, ptr_end - ptr);
- fsname[ptr_end - ptr] = '\0';
+ strncpy(fsname, ptr, mountlen);
+ fsname[mountlen] = '\0';
}
rc = 0;
}
/* Found it */
if (rc == 0) {
if ((want & WANT_PATH) && path != NULL) {
- strncpy(path, mntdir, strlen(mntdir));
+ strncpy(path, mntdir, PATH_MAX);
path[strlen(mntdir)] = '\0';
}
if (want & WANT_FD) {
if (fd < 0) {
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc,
- "error opening '%s'", mntdir);
+ "cannot open '%s'", mntdir);
} else {
*outfd = fd;
}
} else if (want & WANT_ERROR)
llapi_err_noerrno(LLAPI_MSG_ERROR,
- "can't find fs root for '%s': %d",
- (want & WANT_PATH) ? fsname : path, rc);
+ "'%s' not on a mounted Lustre filesystem",
+ (want & WANT_PATH) ? fsname : path);
return rc;
}
* See function lfs_osts in lfs.c for an example of the index use.
*/
int llapi_search_mounts(const char *pathname, int index, char *mntdir,
- char *fsname)
+ char *fsname)
{
- int want = WANT_PATH, idx = -1;
+ int want = WANT_PATH, idx = -1;
- if (!pathname || pathname[0] == '\0') {
- want |= WANT_INDEX;
- idx = index;
- } else
- strcpy(mntdir, pathname);
+ if (!pathname || pathname[0] == '\0') {
+ want |= WANT_INDEX;
+ idx = index;
+ } else {
+ strcpy(mntdir, pathname);
+ }
- if (fsname)
- want |= WANT_FSNAME;
- return get_root_path(want, fsname, NULL, mntdir, idx);
+ if (fsname)
+ want |= WANT_FSNAME;
+ return get_root_path(want, fsname, NULL, mntdir, idx);
}
/* Given a path, find the corresponding Lustre fsname */
int llapi_search_fsname(const char *pathname, char *fsname)
{
- char *path;
- int rc;
+ char *path;
+ int rc;
- path = realpath(pathname, NULL);
- if (path == NULL) {
- char buf[PATH_MAX], *ptr;
+ path = realpath(pathname, NULL);
+ if (path == NULL) {
+ char tmp[PATH_MAX - 1];
+ char buf[PATH_MAX];
+ char *ptr;
+ tmp[0] = '\0';
buf[0] = '\0';
if (pathname[0] != '/') {
- /* Need an absolute path, but realpath() only works for
+ /*
+ * Need an absolute path, but realpath() only works for
* pathnames that actually exist. We go through the
* extra hurdle of dirname(getcwd() + pathname) in
- * case the relative pathname contains ".." in it. */
- if (getcwd(buf, sizeof(buf) - 2) == NULL)
- return -errno;
- rc = strlcat(buf, "/", sizeof(buf));
- if (rc >= sizeof(buf))
- return -E2BIG;
+ * case the relative pathname contains ".." in it.
+ */
+ char realpath[PATH_MAX - 1];
+
+ if (getcwd(realpath, sizeof(realpath) - 2) == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "cannot get current working directory");
+ return rc;
+ }
+
+ rc = snprintf(tmp, sizeof(tmp), "%s/", realpath);
+ if (rc >= sizeof(tmp)) {
+ rc = -E2BIG;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "invalid parent path '%s'",
+ tmp);
+ return rc;
+ }
+ }
+
+ rc = snprintf(buf, sizeof(buf), "%s%s", tmp, pathname);
+ if (rc >= sizeof(buf)) {
+ rc = -E2BIG;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "invalid path '%s'", pathname);
+ return rc;
+ }
+ path = realpath(buf, NULL);
+ if (path == NULL) {
+ ptr = strrchr(buf, '/');
+ if (ptr == NULL) {
+ llapi_error(LLAPI_MSG_ERROR |
+ LLAPI_MSG_NO_ERRNO, 0,
+ "cannot resolve path '%s'",
+ buf);
+ return -ENOENT;
+ }
+ *ptr = '\0';
+ path = realpath(buf, NULL);
+ if (path == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "cannot resolve path '%s'",
+ pathname);
+ return rc;
+ }
}
- rc = strlcat(buf, pathname, sizeof(buf));
- if (rc >= sizeof(buf))
- return -E2BIG;
- path = realpath(buf, NULL);
- if (path == NULL) {
- ptr = strrchr(buf, '/');
- if (ptr == NULL)
- return -ENOENT;
- *ptr = '\0';
- path = realpath(buf, NULL);
- if (path == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "pathname '%s' cannot expand",
- pathname);
- return rc;
- }
- }
- }
- rc = get_root_path(WANT_FSNAME | WANT_ERROR, fsname, NULL, path, -1);
- free(path);
- return rc;
+ }
+ rc = get_root_path(WANT_FSNAME | WANT_ERROR, fsname, NULL, path, -1);
+ free(path);
+ return rc;
}
int llapi_search_rootpath(char *pathname, const char *fsname)
{
+ /*
+ * pathname can be used as an argument by get_root_path(),
+ * clear it for safety
+ */
+ pathname[0] = 0;
return get_root_path(WANT_PATH, (char *)fsname, NULL, pathname, -1);
}
-int llapi_getname(const char *path, char *buf, size_t size)
-{
- struct obd_uuid uuid_buf;
- char *uuid = uuid_buf.uuid;
- int rc, nr;
-
- memset(&uuid_buf, 0, sizeof(uuid_buf));
- rc = llapi_file_get_lov_uuid(path, &uuid_buf);
- if (rc)
- return rc;
-
- /* We want to turn lustre-clilov-ffff88002738bc00 into
- * lustre-ffff88002738bc00. */
-
- nr = snprintf(buf, size, "%.*s-%s",
- (int) (strlen(uuid) - 24), uuid,
- uuid + strlen(uuid) - 16);
-
- if (nr >= size)
- rc = -ENAMETOOLONG;
-
- return rc;
-}
-
/**
* Get the list of pool members.
* \param poolname string of format \<fsname\>.\<poolname\>
* \retval -error failure
*/
int llapi_get_poolmembers(const char *poolname, char **members,
- int list_size, char *buffer, int buffer_size)
+ int list_size, char *buffer, int buffer_size)
{
char fsname[PATH_MAX];
char *pool, *tmp;
/* name is FSNAME.POOLNAME */
if (strlen(poolname) >= sizeof(fsname))
return -EOVERFLOW;
- strlcpy(fsname, poolname, sizeof(fsname));
+
+ snprintf(fsname, sizeof(fsname), "%s", poolname);
pool = strchr(fsname, '.');
if (pool == NULL)
return -EINVAL;
return rc;
}
- rc = 0;
- while (fgets(buf, sizeof(buf), fd) != NULL) {
- if (nb_entries >= list_size) {
- rc = -EOVERFLOW;
- break;
- }
+ rc = 0;
+ while (fgets(buf, sizeof(buf), fd) != NULL) {
+ if (nb_entries >= list_size) {
+ rc = -EOVERFLOW;
+ break;
+ }
buf[sizeof(buf) - 1] = '\0';
- /* remove '\n' */
- tmp = strchr(buf, '\n');
- if (tmp != NULL)
- *tmp='\0';
- if (used + strlen(buf) + 1 > buffer_size) {
- rc = -EOVERFLOW;
- break;
- }
-
- strcpy(buffer + used, buf);
- members[nb_entries] = buffer + used;
- used += strlen(buf) + 1;
- nb_entries++;
- rc = nb_entries;
- }
-
- fclose(fd);
- return rc;
+ /* remove '\n' */
+ tmp = strchr(buf, '\n');
+ if (tmp != NULL)
+ *tmp = '\0';
+ if (used + strlen(buf) + 1 > buffer_size) {
+ rc = -EOVERFLOW;
+ break;
+ }
+
+ strcpy(buffer + used, buf);
+ members[nb_entries] = buffer + used;
+ used += strlen(buf) + 1;
+ nb_entries++;
+ rc = nb_entries;
+ }
+
+ fclose(fd);
+ return rc;
}
/**
* \retval -error failure
*/
int llapi_get_poollist(const char *name, char **poollist, int list_size,
- char *buffer, int buffer_size)
+ char *buffer, int buffer_size)
{
- char rname[PATH_MAX];
glob_t pathname;
char *fsname;
- char *ptr;
- DIR *dir;
+ char *ptr;
+ DIR *dir;
struct dirent *pool;
- int rc = 0;
- unsigned int nb_entries = 0;
- unsigned int used = 0;
- unsigned int i;
+ int rc = 0;
+ unsigned int nb_entries = 0;
+ unsigned int used = 0;
+ unsigned int i;
/* initialize output array */
- for (i = 0; i < list_size; i++)
- poollist[i] = NULL;
-
- /* is name a pathname ? */
- ptr = strchr(name, '/');
- if (ptr != NULL) {
- /* only absolute pathname is supported */
- if (*name != '/')
- return -EINVAL;
-
- if (!realpath(name, rname)) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "invalid path '%s'",
- name);
- return rc;
- }
-
- fsname = strdup(rname);
+ for (i = 0; i < list_size; i++)
+ poollist[i] = NULL;
+
+ /* is name a pathname ? */
+ ptr = strchr(name, '/');
+ if (ptr != NULL) {
+ char fsname_buf[MAXNAMLEN];
+
+ /* We will need fsname for printing later */
+ rc = llapi_getname(name, fsname_buf, sizeof(fsname_buf));
+ if (rc)
+ return rc;
+
+ ptr = strrchr(fsname_buf, '-');
+ if (ptr)
+ *ptr = '\0';
+
+ fsname = strdup(fsname_buf);
if (!fsname)
return -ENOMEM;
-
- rc = poolpath(&pathname, NULL, rname);
} else {
/* name is FSNAME */
fsname = strdup(name);
if (!fsname)
return -ENOMEM;
- rc = poolpath(&pathname, fsname, NULL);
}
+
+ rc = poolpath(&pathname, fsname, NULL);
if (rc != 0) {
llapi_error(LLAPI_MSG_ERROR, rc,
"Lustre filesystem '%s' not found", name);
goto free_path;
}
- llapi_printf(LLAPI_MSG_NORMAL, "Pools from %s:\n", fsname);
dir = opendir(pathname.gl_pathv[0]);
if (dir == NULL) {
rc = -errno;
goto free_dir;
}
- /* ignore . and .. */
+ /* ignore . and .. */
if (!strcmp(pool->d_name, ".") || !strcmp(pool->d_name, ".."))
- continue;
+ continue;
- /* check output bounds */
+ /* check output bounds */
if (nb_entries >= list_size) {
rc = -EOVERFLOW;
- goto free_dir;
+ goto free_dir_no_msg;
}
- /* +2 for '.' and final '\0' */
+ /* +2 for '.' and final '\0' */
if (used + strlen(pool->d_name) + strlen(fsname) + 2
> buffer_size) {
rc = -EOVERFLOW;
- goto free_dir;
+ goto free_dir_no_msg;
}
sprintf(buffer + used, "%s.%s", fsname, pool->d_name);
- poollist[nb_entries] = buffer + used;
+ poollist[nb_entries] = buffer + used;
used += strlen(pool->d_name) + strlen(fsname) + 2;
- nb_entries++;
+ nb_entries++;
} while (1);
free_dir:
if (rc)
llapi_error(LLAPI_MSG_ERROR, rc,
"Error reading pool list for '%s'", name);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "Pools from %s:\n", fsname);
+
+free_dir_no_msg:
closedir(dir);
free_path:
cfs_free_param_data(&pathname);
/* wrapper for lfs.c and obd.c */
int llapi_poollist(const char *name)
{
- /* list of pool names (assume that pool count is smaller
- than OST count) */
+ /*
+ * list of pool names (assume that pool count is smaller
+ * than OST count)
+ */
char **list, *buffer = NULL, *fsname = (char *)name;
char *poolname = NULL, *tmp = NULL, data[16];
enum param_filter type = FILTER_BY_PATH;
goto err;
obdcount = atoi(data);
- /* Allocate space for each fsname-OST0000_UUID, 1 per OST,
- * and also an array to store the pointers for all that
- * allocated space. */
+ /*
+ * Allocate space for each fsname-OST0000_UUID, 1 per OST,
+ * and also an array to store the pointers for all that
+ * allocated space.
+ */
retry_get_pools:
- bufsize = sizeof(struct obd_uuid) * obdcount;
- buffer = realloc(tmp, bufsize + sizeof(*list) * obdcount);
- if (buffer == NULL) {
- rc = -ENOMEM;
- goto err;
- }
- list = (char **) (buffer + bufsize);
-
- if (!poolname) {
- /* name is a path or fsname */
- nb = llapi_get_poollist(name, list, obdcount,
- buffer, bufsize);
- } else {
-
/* name is a pool name (<fsname>.<poolname>) */
- nb = llapi_get_poolmembers(name, list, obdcount,
- buffer, bufsize);
- }
-
- if (nb == -EOVERFLOW) {
- obdcount *= 2;
- tmp = buffer;
- goto retry_get_pools;
- }
-
- for (i = 0; i < nb; i++)
- llapi_printf(LLAPI_MSG_NORMAL, "%s\n", list[i]);
- rc = (nb < 0 ? nb : 0);
+ bufsize = sizeof(struct obd_uuid) * obdcount;
+ buffer = realloc(tmp, bufsize + sizeof(*list) * obdcount);
+ if (buffer == NULL) {
+ rc = -ENOMEM;
+ goto err;
+ }
+ list = (char **) (buffer + bufsize);
+
+ if (!poolname) {
+ /* name is a path or fsname */
+ nb = llapi_get_poollist(name, list, obdcount,
+ buffer, bufsize);
+ } else {
+ /* name is a pool name (<fsname>.<poolname>) */
+ nb = llapi_get_poolmembers(name, list, obdcount,
+ buffer, bufsize);
+ }
+
+ if (nb == -EOVERFLOW) {
+ obdcount *= 2;
+ tmp = buffer;
+ goto retry_get_pools;
+ }
+
+ for (i = 0; i < nb; i++)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", list[i]);
+ rc = (nb < 0 ? nb : 0);
err:
- if (buffer)
- free(buffer);
+ if (buffer)
+ free(buffer);
if (fsname != NULL && type == FILTER_BY_FS_NAME)
free(fsname);
return rc;
#define OBD_NOT_FOUND (-1)
+static void find_param_fini(struct find_param *param)
+{
+ if (param->fp_migrate)
+ return;
+
+ if (param->fp_obd_indexes) {
+ free(param->fp_obd_indexes);
+ param->fp_obd_indexes = NULL;
+ }
+
+ if (param->fp_lmd) {
+ free(param->fp_lmd);
+ param->fp_lmd = NULL;
+ }
+
+ if (param->fp_lmv_md) {
+ free(param->fp_lmv_md);
+ param->fp_lmv_md = NULL;
+ }
+}
+
static int common_param_init(struct find_param *param, char *path)
{
int lum_size = get_mds_md_size(path);
+ if (lum_size < 0)
+ return lum_size;
+
+ /* migrate has fp_lmv_md initialized outside */
+ if (param->fp_migrate)
+ return 0;
+
if (lum_size < PATH_MAX + 1)
lum_size = PATH_MAX + 1;
param->fp_lum_size = lum_size;
- param->fp_lmd = calloc(1, sizeof(lstat_t) + param->fp_lum_size);
+ param->fp_lmd = calloc(1, offsetof(typeof(*param->fp_lmd), lmd_lmm) +
+ lum_size);
if (param->fp_lmd == NULL) {
llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
- "error: allocation of %zu bytes for ioctl",
+ "error: allocate %zu bytes for layout failed",
sizeof(lstat_t) + param->fp_lum_size);
return -ENOMEM;
}
param->fp_lmv_stripe_count = 256;
param->fp_lmv_md = calloc(1,
lmv_user_md_size(param->fp_lmv_stripe_count,
- LMV_MAGIC_V1));
+ LMV_USER_MAGIC_SPECIFIC));
if (param->fp_lmv_md == NULL) {
llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
"error: allocation of %d bytes for ioctl",
lmv_user_md_size(param->fp_lmv_stripe_count,
- LMV_MAGIC_V1));
+ LMV_USER_MAGIC_SPECIFIC));
+ find_param_fini(param);
return -ENOMEM;
}
param->fp_got_uuids = 0;
param->fp_obd_indexes = NULL;
param->fp_obd_index = OBD_NOT_FOUND;
- if (!param->fp_migrate)
- param->fp_mdt_index = OBD_NOT_FOUND;
+ param->fp_mdt_index = OBD_NOT_FOUND;
return 0;
}
-static void find_param_fini(struct find_param *param)
-{
- if (param->fp_obd_indexes)
- free(param->fp_obd_indexes);
-
- if (param->fp_lmd)
- free(param->fp_lmd);
-
- if (param->fp_lmv_md)
- free(param->fp_lmv_md);
-}
-
static int cb_common_fini(char *path, DIR *parent, DIR **dirp, void *data,
struct dirent64 *de)
{
struct find_param *param = data;
- param->fp_depth--;
+ param->fp_depth--;
return 0;
}
int stripe_count;
int lmv_size;
- stripe_count = (__u32)param->fp_lmv_md->lum_stripe_count;
+ /* if foreign LMV case, fake stripes number */
+ if (param->fp_lmv_md->lum_magic == LMV_MAGIC_FOREIGN) {
+ struct lmv_foreign_md *lfm;
+
+ lfm = (struct lmv_foreign_md *)param->fp_lmv_md;
+ if (lfm->lfm_length < XATTR_SIZE_MAX -
+ offsetof(typeof(*lfm), lfm_value)) {
+ uint32_t size = lfm->lfm_length +
+ offsetof(typeof(*lfm), lfm_value);
+
+ stripe_count = lmv_foreign_to_md_stripes(size);
+ } else {
+ llapi_error(LLAPI_MSG_ERROR, -EINVAL,
+ "error: invalid %d foreign size returned from ioctl",
+ lfm->lfm_length);
+ return -EINVAL;
+ }
+ } else {
+ stripe_count = param->fp_lmv_md->lum_stripe_count;
+ }
if (stripe_count <= param->fp_lmv_stripe_count)
return ret;
free(param->fp_lmv_md);
param->fp_lmv_stripe_count = stripe_count;
- lmv_size = lmv_user_md_size(stripe_count, LMV_MAGIC_V1);
+ lmv_size = lmv_user_md_size(stripe_count,
+ LMV_USER_MAGIC_SPECIFIC);
param->fp_lmv_md = malloc(lmv_size);
if (param->fp_lmv_md == NULL) {
llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
"error: allocation of %d bytes for ioctl",
lmv_user_md_size(param->fp_lmv_stripe_count,
- LMV_MAGIC_V1));
+ LMV_USER_MAGIC_SPECIFIC));
return -ENOMEM;
}
goto again;
return ret;
}
-static int get_lmd_info(char *path, DIR *parent, DIR *dir,
- struct lov_user_mds_data *lmd, int lumlen)
+static void convert_lmd_statx(struct lov_user_mds_data *lmd_v2, lstat_t *st,
+ bool strict)
+{
+ memset(&lmd_v2->lmd_stx, 0, sizeof(lmd_v2->lmd_stx));
+ lmd_v2->lmd_stx.stx_blksize = st->st_blksize;
+ lmd_v2->lmd_stx.stx_nlink = st->st_nlink;
+ lmd_v2->lmd_stx.stx_uid = st->st_uid;
+ lmd_v2->lmd_stx.stx_gid = st->st_gid;
+ lmd_v2->lmd_stx.stx_mode = st->st_mode;
+ lmd_v2->lmd_stx.stx_ino = st->st_ino;
+ lmd_v2->lmd_stx.stx_size = st->st_size;
+ lmd_v2->lmd_stx.stx_blocks = st->st_blocks;
+ lmd_v2->lmd_stx.stx_atime.tv_sec = st->st_atime;
+ lmd_v2->lmd_stx.stx_ctime.tv_sec = st->st_ctime;
+ lmd_v2->lmd_stx.stx_mtime.tv_sec = st->st_mtime;
+ lmd_v2->lmd_stx.stx_rdev_major = major(st->st_rdev);
+ lmd_v2->lmd_stx.stx_rdev_minor = minor(st->st_rdev);
+ lmd_v2->lmd_stx.stx_dev_major = major(st->st_dev);
+ lmd_v2->lmd_stx.stx_dev_minor = minor(st->st_dev);
+ lmd_v2->lmd_stx.stx_mask |= STATX_BASIC_STATS;
+
+ lmd_v2->lmd_flags = 0;
+ if (strict) {
+ lmd_v2->lmd_flags |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
+ } else {
+ lmd_v2->lmd_stx.stx_mask &= ~(STATX_SIZE | STATX_BLOCKS);
+ if (lmd_v2->lmd_stx.stx_size)
+ lmd_v2->lmd_flags |= OBD_MD_FLLAZYSIZE;
+ if (lmd_v2->lmd_stx.stx_blocks)
+ lmd_v2->lmd_flags |= OBD_MD_FLLAZYBLOCKS;
+ }
+ lmd_v2->lmd_flags |= OBD_MD_FLATIME | OBD_MD_FLMTIME | OBD_MD_FLCTIME |
+ OBD_MD_FLBLKSZ | OBD_MD_FLMODE | OBD_MD_FLTYPE |
+ OBD_MD_FLUID | OBD_MD_FLGID | OBD_MD_FLNLINK |
+ OBD_MD_FLRDEV;
+
+}
+
+static int convert_lmdbuf_v1v2(void *lmdbuf, int lmdlen)
{
- lstat_t *st = &lmd->lmd_st;
- int ret = 0;
+ struct lov_user_mds_data_v1 *lmd_v1 = lmdbuf;
+ struct lov_user_mds_data *lmd_v2 = lmdbuf;
+ lstat_t st;
+ int size;
- if (parent == NULL && dir == NULL)
- return -EINVAL;
+ size = lov_comp_md_size((struct lov_comp_md_v1 *)&lmd_v1->lmd_lmm);
+ if (size < 0)
+ return size;
- if (dir) {
- ret = ioctl(dirfd(dir), LL_IOC_MDC_GETINFO, (void *)lmd);
- } else if (parent) {
- char *fname = strrchr(path, '/');
+ if (lmdlen < sizeof(lmd_v1->lmd_st) + size)
+ return -EOVERFLOW;
+
+ st = lmd_v1->lmd_st;
+ memmove(&lmd_v2->lmd_lmm, &lmd_v1->lmd_lmm,
+ lmdlen - (&lmd_v2->lmd_lmm - &lmd_v1->lmd_lmm));
+ convert_lmd_statx(lmd_v2, &st, false);
+ lmd_v2->lmd_lmmsize = 0;
+ lmd_v2->lmd_padding = 0;
+
+ return 0;
+}
+
+int get_lmd_info_fd(const char *path, int parent_fd, int dir_fd,
+ void *lmdbuf, int lmdlen, enum get_lmd_info_type type)
+{
+ struct lov_user_mds_data *lmd = lmdbuf;
+ static bool use_old_ioctl;
+ unsigned long cmd;
+ int ret = 0;
+
+ if (parent_fd < 0 && dir_fd < 0)
+ return -EINVAL;
+ if (type != GET_LMD_INFO && type != GET_LMD_STRIPE)
+ return -EINVAL;
+
+ if (dir_fd >= 0) {
+ /*
+ * LL_IOC_MDC_GETINFO operates on the current directory inode
+ * and returns struct lov_user_mds_data, while
+ * LL_IOC_LOV_GETSTRIPE returns only struct lov_user_md.
+ */
+ if (type == GET_LMD_INFO)
+ cmd = use_old_ioctl ? LL_IOC_MDC_GETINFO_OLD :
+ LL_IOC_MDC_GETINFO;
+ else
+ cmd = LL_IOC_LOV_GETSTRIPE;
+
+retry_getinfo:
+ ret = ioctl(dir_fd, cmd, lmdbuf);
+ if (ret < 0 && errno == ENOTTY && cmd == LL_IOC_MDC_GETINFO) {
+ cmd = LL_IOC_MDC_GETINFO_OLD;
+ use_old_ioctl = true;
+ goto retry_getinfo;
+ }
+
+ if (cmd == LL_IOC_MDC_GETINFO_OLD && !ret)
+ ret = convert_lmdbuf_v1v2(lmdbuf, lmdlen);
+ } else if (parent_fd >= 0) {
+ const char *fname = strrchr(path, '/');
- /* To avoid opening, locking, and closing each file on the
- * client if that is not needed. The GETFILEINFO ioctl can
- * be done on the patent dir with a single open for all
+ /*
+ * IOC_MDC_GETFILEINFO takes as input the filename (relative to
+ * the parent directory) and returns struct lov_user_mds_data,
+ * while IOC_MDC_GETFILESTRIPE returns only struct lov_user_md.
+ *
+ * This avoids opening, locking, and closing each file on the
+ * client if that is not needed. Multiple of these ioctl() can
+ * be done on the parent dir with a single open for all
* files in that directory, and it also doesn't pollute the
* client dcache with millions of dentries when traversing
- * a large filesystem. */
+ * a large filesystem.
+ */
fname = (fname == NULL ? path : fname + 1);
- /* retrieve needed file info */
- strlcpy((char *)lmd, fname, lumlen);
- ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
- }
-
- if (ret) {
- if (errno == ENOTTY) {
- /* ioctl is not supported, it is not a lustre fs.
- * Do the regular lstat(2) instead. */
- ret = lstat_f(path, st);
- if (ret) {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "error: %s: lstat failed for %s",
- __func__, path);
- }
- } else if (errno == ENOENT) {
- ret = -errno;
- llapi_error(LLAPI_MSG_WARN, ret,
- "warning: %s: %s does not exist",
- __func__, path);
- } else if (errno != EISDIR) {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "%s ioctl failed for %s.",
- dir ? "LL_IOC_MDC_GETINFO" :
- "IOC_MDC_GETFILEINFO", path);
- } else {
+
+ ret = snprintf(lmdbuf, lmdlen, "%s", fname);
+ if (ret < 0)
+ errno = -ret;
+ else if (ret >= lmdlen || ret++ == 0)
+ errno = EINVAL;
+ else {
+ if (type == GET_LMD_INFO)
+ cmd = use_old_ioctl ? IOC_MDC_GETFILEINFO_OLD :
+ IOC_MDC_GETFILEINFO;
+ else
+ cmd = IOC_MDC_GETFILESTRIPE;
+
+retry_getfileinfo:
+ ret = ioctl(parent_fd, cmd, lmdbuf);
+ if (ret < 0 && errno == ENOTTY &&
+ cmd == IOC_MDC_GETFILEINFO) {
+ cmd = IOC_MDC_GETFILEINFO_OLD;
+ use_old_ioctl = true;
+ goto retry_getfileinfo;
+ }
+
+ if (cmd == IOC_MDC_GETFILEINFO_OLD && !ret)
+ ret = convert_lmdbuf_v1v2(lmdbuf, lmdlen);
+ }
+ }
+
+ if (ret && type == GET_LMD_INFO) {
+ if (errno == ENOTTY) {
+ lstat_t st;
+
+ /*
+ * ioctl is not supported, it is not a lustre fs.
+ * Do the regular lstat(2) instead.
+ */
+ ret = lstat_f(path, &st);
+ if (ret) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: lstat failed for %s",
+ __func__, path);
+ }
+
+ convert_lmd_statx(lmd, &st, true);
+ /*
+ * It may be wrong to set use_old_ioctl with true as
+ * the file is not a lustre fs. So reset it with false
+ * directly here.
+ */
+ use_old_ioctl = false;
+ } else if (errno == ENOENT) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_WARN, ret,
+ "warning: %s does not exist", path);
+ } else if (errno != EISDIR && errno != ENODATA) {
ret = -errno;
llapi_error(LLAPI_MSG_ERROR, ret,
- "error: %s: IOC_MDC_GETFILEINFO failed for %s",
- __func__, path);
+ "%s ioctl failed for %s.",
+ dir_fd >= 0 ? "LL_IOC_MDC_GETINFO" :
+ "IOC_MDC_GETFILEINFO", path);
}
}
+
return ret;
}
+static int get_lmd_info(char *path, DIR *parent, DIR *dir, void *lmdbuf,
+ int lmdlen, enum get_lmd_info_type type)
+{
+ int parent_fd = -1;
+ int dir_fd = -1;
+
+ if (parent)
+ parent_fd = dirfd(parent);
+ if (dir)
+ dir_fd = dirfd(dir);
+
+ return get_lmd_info_fd(path, parent_fd, dir_fd, lmdbuf, lmdlen, type);
+}
+
static int llapi_semantic_traverse(char *path, int size, DIR *parent,
semantic_func_t sem_init,
semantic_func_t sem_fini, void *data,
ret = 0;
len = strlen(path);
- d = opendir(path);
- if (!d && errno != ENOTDIR) {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret, "%s: Failed to open '%s'",
- __func__, path);
- return ret;
- } else if (!d && !parent) {
- /* ENOTDIR. Open the parent dir. */
- p = opendir_parent(path);
+ d = opendir(path);
+ if (!d && errno != ENOTDIR) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret, "%s: Failed to open '%s'",
+ __func__, path);
+ return ret;
+ } else if (!d && !parent) {
+ /* ENOTDIR. Open the parent dir. */
+ p = opendir_parent(path);
if (!p) {
ret = -errno;
goto out;
}
- }
+ }
if (sem_init && (ret = sem_init(path, parent ?: p, &d, data, de)))
goto err;
while ((dent = readdir64(d)) != NULL) {
int rc;
- if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
- continue;
-
- /* Don't traverse .lustre directory */
- if (!(strcmp(dent->d_name, dot_lustre_name)))
- continue;
+ if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
+ continue;
- path[len] = 0;
- if ((len + dent->d_reclen + 2) > size) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error: %s: string buffer is too small",
- __func__);
- break;
- }
- strcat(path, "/");
- strcat(path, dent->d_name);
+ path[len] = 0;
+ if ((len + dent->d_reclen + 2) > size) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: string buffer too small",
+ __func__);
+ break;
+ }
+ strcat(path, "/");
+ strcat(path, dent->d_name);
- if (dent->d_type == DT_UNKNOWN) {
- lstat_t *st = ¶m->fp_lmd->lmd_st;
+ if (dent->d_type == DT_UNKNOWN) {
+ struct lov_user_mds_data *lmd = param->fp_lmd;
- rc = get_lmd_info(path, d, NULL, param->fp_lmd,
- param->fp_lum_size);
+ rc = get_lmd_info(path, d, NULL, lmd,
+ param->fp_lum_size, GET_LMD_INFO);
if (rc == 0)
- dent->d_type = IFTODT(st->st_mode);
+ dent->d_type = IFTODT(lmd->lmd_stx.stx_mode);
else if (ret == 0)
ret = rc;
if (rc == -ENOENT)
continue;
}
- switch (dent->d_type) {
- case DT_UNKNOWN:
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error: %s: '%s' is UNKNOWN type %d",
- __func__, dent->d_name, dent->d_type);
- break;
+ switch (dent->d_type) {
+ case DT_UNKNOWN:
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: '%s' is UNKNOWN type %d",
+ __func__, dent->d_name, dent->d_type);
+ break;
case DT_DIR:
rc = llapi_semantic_traverse(path, size, d, sem_init,
sem_fini, data, dent);
rc = 0;
if (sem_init) {
rc = sem_init(path, d, NULL, data, dent);
- if (rc < 0 && ret == 0)
+ if (rc < 0 && ret == 0) {
ret = rc;
+ break;
+ }
}
if (sem_fini && rc == 0)
sem_fini(path, d, NULL, data, dent);
- }
- }
+ }
+ }
out:
- path[len] = 0;
+ path[len] = 0;
if (sem_fini)
sem_fini(path, parent, &d, data, de);
err:
- if (d)
- closedir(d);
- if (p)
- closedir(p);
+ if (d)
+ closedir(d);
+ if (p)
+ closedir(p);
return ret;
}
static int param_callback(char *path, semantic_func_t sem_init,
- semantic_func_t sem_fini, struct find_param *param)
+ semantic_func_t sem_fini, struct find_param *param)
{
- int ret, len = strlen(path);
- char *buf;
+ int ret, len = strlen(path);
+ char *buf;
- if (len > PATH_MAX) {
- ret = -EINVAL;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "Path name '%s' is too long", path);
- return ret;
- }
+ if (len > PATH_MAX) {
+ ret = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "Path name '%s' is too long", path);
+ return ret;
+ }
- buf = (char *)malloc(PATH_MAX + 1);
- if (!buf)
- return -ENOMEM;
+ buf = (char *)malloc(PATH_MAX + 1);
+ if (!buf)
+ return -ENOMEM;
- strlcpy(buf, path, PATH_MAX + 1);
- ret = common_param_init(param, buf);
- if (ret)
- goto out;
+ snprintf(buf, PATH_MAX + 1, "%s", path);
+ ret = common_param_init(param, buf);
+ if (ret)
+ goto out;
param->fp_depth = 0;
- ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, sem_init,
- sem_fini, param, NULL);
+ ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, sem_init,
+ sem_fini, param, NULL);
out:
- find_param_fini(param);
- free(buf);
- return ret < 0 ? ret : 0;
+ find_param_fini(param);
+ free(buf);
+ return ret < 0 ? ret : 0;
}
int llapi_file_fget_lov_uuid(int fd, struct obd_uuid *lov_name)
{
- int rc = ioctl(fd, OBD_IOC_GETNAME, lov_name);
- if (rc) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lov name.");
- }
- return rc;
+ int rc = ioctl(fd, OBD_IOC_GETNAME, lov_name);
+
+ if (rc) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "cannot get lov name");
+ }
+ return rc;
}
int llapi_file_fget_lmv_uuid(int fd, struct obd_uuid *lov_name)
{
- int rc = ioctl(fd, OBD_IOC_GETMDNAME, lov_name);
- if (rc) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lmv name.");
- }
- return rc;
+ int rc = ioctl(fd, OBD_IOC_GETMDNAME, lov_name);
+
+ if (rc) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lmv name.");
+ }
+ return rc;
}
int llapi_file_get_lov_uuid(const char *path, struct obd_uuid *lov_uuid)
fd = open(path, O_RDONLY | O_NONBLOCK);
if (fd < 0) {
rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
+ llapi_error(LLAPI_MSG_ERROR, rc, "cannot open '%s'", path);
return rc;
}
}
enum tgt_type {
- LOV_TYPE = 1,
- LMV_TYPE
+ LOV_TYPE = 1,
+ LMV_TYPE
};
/*
* the ost_count set to number of available obd uuids.
*/
static int llapi_get_target_uuids(int fd, struct obd_uuid *uuidp,
- int *ost_count, enum tgt_type type)
+ int *ost_count, enum tgt_type type)
{
char buf[PATH_MAX], format[32];
int rc = 0, index = 0;
while (fgets(buf, sizeof(buf), fp) != NULL) {
if (uuidp && (index < *ost_count)) {
if (sscanf(buf, format, &index, uuidp[index].uuid) < 2)
- break;
- }
- index++;
- }
+ break;
+ }
+ index++;
+ }
- fclose(fp);
+ fclose(fp);
- if (uuidp && (index > *ost_count))
- rc = -EOVERFLOW;
+ if (uuidp && (index > *ost_count))
+ rc = -EOVERFLOW;
*ost_count = index;
free_param:
int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
{
- return llapi_get_target_uuids(fd, uuidp, ost_count, LOV_TYPE);
+ return llapi_get_target_uuids(fd, uuidp, ost_count, LOV_TYPE);
}
int llapi_get_obd_count(char *mnt, int *count, int is_mdt)
return rc;
}
-/* Check if user specified value matches a real uuid. Ignore _UUID,
+/*
+ * Check if user specified value matches a real uuid. Ignore _UUID,
* -osc-4ba41334, other trailing gunk in comparison.
* @param real_uuid ends in "_UUID"
* @param search_uuid may or may not end in "_UUID"
*/
int llapi_uuid_match(char *real_uuid, char *search_uuid)
{
- int cmplen = strlen(real_uuid);
- int searchlen = strlen(search_uuid);
-
- if (cmplen > 5 && strcmp(real_uuid + cmplen - 5, "_UUID") == 0)
- cmplen -= 5;
- if (searchlen > 5 && strcmp(search_uuid + searchlen - 5, "_UUID") == 0)
- searchlen -= 5;
-
- /* The UUIDs may legitimately be different lengths, if
- * the system was upgraded from an older version. */
- if (cmplen != searchlen)
- return 0;
+ int cmplen = strlen(real_uuid);
+ int searchlen = strlen(search_uuid);
+
+ if (cmplen > 5 && strcmp(real_uuid + cmplen - 5, "_UUID") == 0)
+ cmplen -= 5;
+ if (searchlen > 5 && strcmp(search_uuid + searchlen - 5, "_UUID") == 0)
+ searchlen -= 5;
+
+ /*
+ * The UUIDs may legitimately be different lengths, if
+ * the system was upgraded from an older version.
+ */
+ if (cmplen != searchlen)
+ return 0;
- return (strncmp(search_uuid, real_uuid, cmplen) == 0);
+ return (strncmp(search_uuid, real_uuid, cmplen) == 0);
}
-/* Here, param->fp_obd_uuid points to a single obduuid, the index of which is
- * returned in param->fp_obd_index */
+/*
+ * Here, param->fp_obd_uuid points to a single obduuid, the index of which is
+ * returned in param->fp_obd_index
+ */
static int setup_obd_uuid(int fd, char *dname, struct find_param *param)
{
struct obd_uuid obd_uuid;
}
param->fp_obds_printed = 1;
- fclose(fp);
+ fclose(fp);
if (param->fp_obd_uuid && (param->fp_obd_index == OBD_NOT_FOUND)) {
llapi_err_noerrno(LLAPI_MSG_ERROR,
return rc;
}
-/* In this case, param->fp_obd_uuid will be an array of obduuids and
+/*
+ * In this case, param->fp_obd_uuid will be an array of obduuids and
* obd index for all these obduuids will be returned in
- * param->fp_obd_indexes */
+ * param->fp_obd_indexes
+ */
static int setup_indexes(DIR *dir, char *path, struct obd_uuid *obduuids,
- int num_obds, int **obdindexes, int *obdindex,
- enum tgt_type type)
+ int num_obds, int **obdindexes, int *obdindex,
+ enum tgt_type type)
{
int ret, obdcount, obd_valid = 0, obdnum;
long i;
- struct obd_uuid *uuids = NULL;
- char buf[16];
- int *indexes;
+ struct obd_uuid *uuids = NULL;
+ char buf[16];
+ int *indexes;
if (type == LOV_TYPE)
ret = get_param_lov(path, "numobd", buf, sizeof(buf));
ret = -ENOMEM;
}
- llapi_error(LLAPI_MSG_ERROR, ret, "get ost uuid failed");
- goto out_free;
- }
-
- indexes = malloc(num_obds * sizeof(*obdindex));
- if (indexes == NULL) {
- ret = -ENOMEM;
- goto out_free;
- }
-
- for (obdnum = 0; obdnum < num_obds; obdnum++) {
- char *end = NULL;
-
- /* The user may have specified a simple index */
- i = strtol(obduuids[obdnum].uuid, &end, 0);
- if (end && *end == '\0' && i < obdcount) {
- indexes[obdnum] = i;
- obd_valid++;
- } else {
- for (i = 0; i < obdcount; i++) {
- if (llapi_uuid_match(uuids[i].uuid,
- obduuids[obdnum].uuid)) {
- indexes[obdnum] = i;
- obd_valid++;
- break;
- }
- }
- }
- if (i >= obdcount) {
- indexes[obdnum] = OBD_NOT_FOUND;
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error: %s: unknown obduuid: %s",
- __func__, obduuids[obdnum].uuid);
- ret = -EINVAL;
- }
- }
-
- if (obd_valid == 0)
- *obdindex = OBD_NOT_FOUND;
- else
- *obdindex = obd_valid;
-
- *obdindexes = indexes;
+ llapi_error(LLAPI_MSG_ERROR, ret, "cannot get ost uuid");
+ goto out_free;
+ }
+
+ indexes = malloc(num_obds * sizeof(*obdindex));
+ if (indexes == NULL) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
+
+ for (obdnum = 0; obdnum < num_obds; obdnum++) {
+ char *end = NULL;
+
+ /* The user may have specified a simple index */
+ i = strtol(obduuids[obdnum].uuid, &end, 0);
+ if (end && *end == '\0' && i < obdcount) {
+ indexes[obdnum] = i;
+ obd_valid++;
+ } else {
+ for (i = 0; i < obdcount; i++) {
+ if (llapi_uuid_match(uuids[i].uuid,
+ obduuids[obdnum].uuid)) {
+ indexes[obdnum] = i;
+ obd_valid++;
+ break;
+ }
+ }
+ }
+ if (i >= obdcount) {
+ indexes[obdnum] = OBD_NOT_FOUND;
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "invalid obduuid '%s'",
+ obduuids[obdnum].uuid);
+ ret = -EINVAL;
+ }
+ }
+
+ if (obd_valid == 0)
+ *obdindex = OBD_NOT_FOUND;
+ else
+ *obdindex = obd_valid;
+
+ *obdindexes = indexes;
out_free:
- if (uuids)
- free(uuids);
+ if (uuids)
+ free(uuids);
- return ret;
+ return ret;
}
static int setup_target_indexes(DIR *dir, char *path, struct find_param *param)
{
- int ret = 0;
+ int ret = 0;
if (param->fp_mdt_uuid) {
ret = setup_indexes(dir, path, param->fp_mdt_uuid,
* using pathname.
*/
static int sattr_get_defaults(const char *const fsname,
- unsigned int *scount,
- unsigned int *ssize,
- unsigned int *soffset)
+ unsigned int *scount,
+ unsigned int *ssize,
+ unsigned int *soffset)
{
char val[PATH_MAX];
int rc;
const char *const pathname, unsigned int *scount,
unsigned int *ssize, unsigned int *soffset)
{
- static struct {
- char fsname[PATH_MAX + 1];
- unsigned int stripecount;
- unsigned int stripesize;
- unsigned int stripeoffset;
- } cache = {
- .fsname = {'\0'}
- };
-
- int rc;
- char fsname_buf[PATH_MAX + 1];
- unsigned int tmp[3];
-
- if (fsname == NULL) {
- rc = llapi_search_fsname(pathname, fsname_buf);
- if (rc)
- return rc;
- } else {
- strlcpy(fsname_buf, fsname, sizeof(fsname_buf));
- }
+ static struct {
+ char fsname[PATH_MAX + 1];
+ unsigned int stripecount;
+ unsigned int stripesize;
+ unsigned int stripeoffset;
+ } cache = {
+ .fsname = {'\0'}
+ };
+
+ int rc;
+ char fsname_buf[PATH_MAX + 1];
+ unsigned int tmp[3];
+
+ if (fsname == NULL) {
+ rc = llapi_search_fsname(pathname, fsname_buf);
+ if (rc)
+ return rc;
+ } else {
+ snprintf(fsname_buf, sizeof(fsname_buf), "%s", fsname);
+ }
if (strncmp(fsname_buf, cache.fsname, sizeof(fsname_buf) - 1) != 0) {
- /*
- * Ensure all 3 sattrs (count, size, and offset) are
- * successfully retrieved and stored in tmp before writing to
- * cache.
- */
+ /*
+ * Ensure all 3 sattrs (count, size, and offset) are
+ * successfully retrieved and stored in tmp before writing to
+ * cache.
+ */
rc = sattr_get_defaults(fsname_buf, &tmp[0], &tmp[1], &tmp[2]);
- if (rc != 0)
- return rc;
+ if (rc != 0)
+ return rc;
+
+ cache.stripecount = tmp[0];
+ cache.stripesize = tmp[1];
+ cache.stripeoffset = tmp[2];
+ snprintf(cache.fsname, sizeof(cache.fsname), "%s", fsname_buf);
+ }
- cache.stripecount = tmp[0];
- cache.stripesize = tmp[1];
- cache.stripeoffset = tmp[2];
- strlcpy(cache.fsname, fsname_buf, sizeof(cache.fsname));
- }
+ if (scount)
+ *scount = cache.stripecount;
+ if (ssize)
+ *ssize = cache.stripesize;
+ if (soffset)
+ *soffset = cache.stripeoffset;
- if (scount)
- *scount = cache.stripecount;
- if (ssize)
- *ssize = cache.stripesize;
- if (soffset)
- *soffset = cache.stripeoffset;
+ return 0;
+}
- return 0;
+static char *layout2name(__u32 layout_pattern)
+{
+ if (layout_pattern & LOV_PATTERN_F_RELEASED)
+ return "released";
+ else if (layout_pattern == LOV_PATTERN_MDT)
+ return "mdt";
+ else if (layout_pattern == LOV_PATTERN_RAID0)
+ return "raid0";
+ else if (layout_pattern ==
+ (LOV_PATTERN_RAID0 | LOV_PATTERN_OVERSTRIPING))
+ return "raid0,overstriped";
+ else
+ return "unknown";
}
enum lov_dump_flags {
LDF_INDENT = 0x0004,
LDF_SKIP_OBJS = 0x0008,
LDF_YAML = 0x0010,
+ LDF_EXTENSION = 0x0020,
};
static void lov_dump_user_lmm_header(struct lov_user_md *lum, char *path,
struct lov_user_ost_data_v1 *objects,
- int verbose, int depth, char *pool_name,
+ enum llapi_layout_verbose verbose,
+ int depth, char *pool_name,
enum lov_dump_flags flags)
{
bool is_dir = flags & LDF_IS_DIR;
bool indent = flags & LDF_INDENT;
bool yaml = flags & LDF_YAML;
bool skip_objs = flags & LDF_SKIP_OBJS;
+ bool extension = flags & LDF_EXTENSION;
char *prefix = is_dir ? "" : "lmm_";
char *separator = "";
char *space = indent ? " " : "";
if (verbose & ~VERBOSE_DFID)
llapi_printf(LLAPI_MSG_NORMAL, "%slmm_fid: ",
space);
- /* This needs a bit of hand-holding since old 1.x lmm_oi
+ /*
+ * This needs a bit of hand-holding since old 1.x lmm_oi
* have { oi.oi_id = mds_inum, oi.oi_seq = 0 } and 2.x lmm_oi
* have { oi.oi_id = mds_oid, oi.oi_seq = mds_seq } instead of
* a real FID. Ideally the 2.x code would have stored this
* oi_fid fields are in the right order. This is why there are
* separate lmm_oi_seq() and lmm_oi_id() routines for this.
*
- * For newer layout types hopefully this will be a real FID. */
+ * For newer layout types hopefully this will be a real FID.
+ */
seq = lmm_oi_seq(&lum->lmm_oi) == 0 ?
lmm_oi_id(&lum->lmm_oi) : lmm_oi_seq(&lum->lmm_oi);
oid = lmm_oi_seq(&lum->lmm_oi) == 0 ?
ver = (__u32)(lmm_oi_id(&lum->lmm_oi) >> 32);
if (yaml)
llapi_printf(LLAPI_MSG_NORMAL, DFID_NOBRACE"\n",
- seq, oid, ver);
+ (unsigned long long)seq, oid, ver);
else
llapi_printf(LLAPI_MSG_NORMAL, DFID"\n",
- seq, oid, ver);
+ (unsigned long long)seq, oid, ver);
}
- if (verbose & VERBOSE_COUNT) {
- if (verbose & ~VERBOSE_COUNT)
+ if (verbose & VERBOSE_STRIPE_COUNT) {
+ if (verbose & ~VERBOSE_STRIPE_COUNT)
llapi_printf(LLAPI_MSG_NORMAL, "%s%sstripe_count: ",
space, prefix);
if (is_dir) {
if (!is_raw && lum->lmm_stripe_count == 0 &&
lov_pattern(lum->lmm_pattern) != LOV_PATTERN_MDT) {
unsigned int scount;
+
rc = sattr_cache_get_defaults(NULL, path,
&scount, NULL,
NULL);
scount);
else
llapi_error(LLAPI_MSG_ERROR, rc,
- "Cannot determine default"
- " stripe count.");
+ "Cannot determine default stripe count.");
} else {
llapi_printf(LLAPI_MSG_NORMAL, "%d",
- lum->lmm_stripe_count ==
- (typeof(lum->lmm_stripe_count))(-1)
- ? -1 : lum->lmm_stripe_count);
+ extension ? 0 :
+ (__s16)lum->lmm_stripe_count);
}
} else {
llapi_printf(LLAPI_MSG_NORMAL, "%hd",
+ extension ? 0 :
(__s16)lum->lmm_stripe_count);
}
if (!yaml && is_dir)
separator = "\n";
}
- if (verbose & VERBOSE_SIZE) {
+ if (((verbose & VERBOSE_STRIPE_SIZE) && !extension) ||
+ ((verbose & VERBOSE_EXT_SIZE) && extension)) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (verbose & ~VERBOSE_SIZE)
+ if (verbose & ~VERBOSE_EXT_SIZE && extension)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sextension_size: ",
+ space, prefix);
+ if (verbose & ~VERBOSE_STRIPE_SIZE && !extension)
llapi_printf(LLAPI_MSG_NORMAL, "%s%sstripe_size: ",
space, prefix);
if (is_dir && !is_raw && lum->lmm_stripe_size == 0) {
unsigned int ssize;
+
rc = sattr_cache_get_defaults(NULL, path, NULL, &ssize,
NULL);
if (rc == 0)
llapi_printf(LLAPI_MSG_NORMAL, "%u", ssize);
else
llapi_error(LLAPI_MSG_ERROR, rc,
- "Cannot determine default"
- " stripe size.");
+ "Cannot determine default stripe size.");
} else {
- llapi_printf(LLAPI_MSG_NORMAL, "%u",
- lum->lmm_stripe_size);
+ /* Extension size is in KiB */
+ llapi_printf(LLAPI_MSG_NORMAL, "%llu",
+ extension ?
+ (unsigned long long)(lum->lmm_stripe_size * SEL_UNIT_SIZE) :
+ (unsigned long long)lum->lmm_stripe_size);
}
if (!yaml && is_dir)
separator = " ";
separator = "\n";
}
- if ((verbose & VERBOSE_LAYOUT)) {
+ if ((verbose & VERBOSE_PATTERN)) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (verbose & ~VERBOSE_LAYOUT)
+ if (verbose & ~VERBOSE_PATTERN)
llapi_printf(LLAPI_MSG_NORMAL, "%s%spattern: ",
space, prefix);
- llapi_printf(LLAPI_MSG_NORMAL, "%.x", lum->lmm_pattern);
- separator = is_dir ? " " : "\n";
+ if (lov_pattern_supported(lum->lmm_pattern))
+ llapi_printf(LLAPI_MSG_NORMAL, "%s",
+ layout2name(lum->lmm_pattern));
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "%x", lum->lmm_pattern);
+ separator = (!yaml && is_dir) ? " " : "\n";
}
if ((verbose & VERBOSE_GENERATION) && !is_dir) {
llapi_printf(LLAPI_MSG_NORMAL, "%s%slayout_gen: ",
space, prefix);
llapi_printf(LLAPI_MSG_NORMAL, "%u",
- (int)lum->lmm_layout_gen);
+ skip_objs ? 0 : (int)lum->lmm_layout_gen);
separator = "\n";
}
- if (verbose & VERBOSE_OFFSET) {
+ if (verbose & VERBOSE_STRIPE_OFFSET) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (verbose & ~VERBOSE_OFFSET)
+ if (verbose & ~VERBOSE_STRIPE_OFFSET)
llapi_printf(LLAPI_MSG_NORMAL, "%s%sstripe_offset: ",
space, prefix);
if (is_dir || skip_objs)
lum->lmm_stripe_offset ==
(typeof(lum->lmm_stripe_offset))(-1) ? -1 :
lum->lmm_stripe_offset);
+ else if (lov_pattern(lum->lmm_pattern) == LOV_PATTERN_MDT)
+ llapi_printf(LLAPI_MSG_NORMAL, "0");
else
llapi_printf(LLAPI_MSG_NORMAL, "%u",
objects[0].l_ost_idx);
void lov_dump_user_lmm_v1v3(struct lov_user_md *lum, char *pool_name,
struct lov_user_ost_data_v1 *objects,
char *path, int obdindex, int depth,
- int header, enum lov_dump_flags flags)
+ enum llapi_layout_verbose verbose,
+ enum lov_dump_flags flags)
{
bool is_dir = flags & LDF_IS_DIR;
bool indent = flags & LDF_INDENT;
bool skip_objs = flags & LDF_SKIP_OBJS;
bool yaml = flags & LDF_YAML;
- int i, obdstripe = (obdindex != OBD_NOT_FOUND) ? 0 : 1;
+ bool obdstripe = obdindex == OBD_NOT_FOUND;
+ int i;
- if (!obdstripe) {
+ if (!obdstripe && !skip_objs) {
for (i = 0; !is_dir && i < lum->lmm_stripe_count; i++) {
if (obdindex == objects[i].l_ost_idx) {
- obdstripe = 1;
+ obdstripe = true;
break;
}
}
}
- if (obdstripe == 0)
+ if (!obdstripe)
return;
- lov_dump_user_lmm_header(lum, path, objects, header, depth, pool_name,
+ lov_dump_user_lmm_header(lum, path, objects, verbose, depth, pool_name,
flags);
- if (!is_dir && !skip_objs && (header & VERBOSE_OBJID) &&
- !(lum->lmm_pattern & LOV_PATTERN_F_RELEASED)) {
+ if (!is_dir && !skip_objs && (verbose & VERBOSE_OBJID) &&
+ !(lum->lmm_pattern & LOV_PATTERN_F_RELEASED ||
+ lov_pattern(lum->lmm_pattern) == LOV_PATTERN_MDT)) {
char *space = " - ";
if (indent)
space, i, idx, PFID(&fid));
} else {
char fmt[48];
+
sprintf(fmt, "%s%s%s\n",
"\t%6u\t%14llu\t%#13llx\t",
(fid_seq_is_rsvd(gr) ||
obdindex == idx ? " *" : "");
}
}
- llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
void lmv_dump_user_lmm(struct lmv_user_md *lum, char *pool_name,
- char *path, int obdindex, int depth, int verbose,
+ char *path, int obdindex, int depth,
+ enum llapi_layout_verbose verbose,
enum lov_dump_flags flags)
{
struct lmv_user_mds_data *objects = lum->lum_objects;
char *prefix = lum->lum_magic == LMV_USER_MAGIC ? "(Default)" : "";
- int i, obdstripe = 0;
char *separator = "";
bool yaml = flags & LDF_YAML;
+ bool obdstripe = false;
+ int i;
if (obdindex != OBD_NOT_FOUND) {
if (lum->lum_stripe_count == 0) {
if (obdindex == lum->lum_stripe_offset)
- obdstripe = 1;
+ obdstripe = true;
} else {
for (i = 0; i < lum->lum_stripe_count; i++) {
if (obdindex == objects[i].lum_mds) {
llapi_printf(LLAPI_MSG_NORMAL,
"%s%s\n", prefix,
path);
- obdstripe = 1;
+ obdstripe = true;
break;
}
}
}
} else {
- obdstripe = 1;
+ obdstripe = true;
}
if (!obdstripe)
/* show all information default */
if (!verbose) {
if (lum->lum_magic == LMV_USER_MAGIC)
- verbose = VERBOSE_POOL | VERBOSE_COUNT |
- VERBOSE_OFFSET | VERBOSE_HASH_TYPE;
+ verbose = VERBOSE_POOL | VERBOSE_STRIPE_COUNT |
+ VERBOSE_STRIPE_OFFSET | VERBOSE_HASH_TYPE;
else
verbose = VERBOSE_OBJID;
}
if (depth && path && ((verbose != VERBOSE_OBJID)))
llapi_printf(LLAPI_MSG_NORMAL, "%s%s\n", prefix, path);
- if (verbose & VERBOSE_COUNT) {
+ if (verbose & VERBOSE_STRIPE_COUNT) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (verbose & ~VERBOSE_COUNT)
+ if (verbose & ~VERBOSE_STRIPE_COUNT)
llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_count: ");
llapi_printf(LLAPI_MSG_NORMAL, "%u",
(int)lum->lum_stripe_count);
- if ((verbose & VERBOSE_OFFSET) && !yaml)
+ if ((verbose & VERBOSE_STRIPE_OFFSET) && !yaml)
separator = " ";
else
separator = "\n";
}
- if (verbose & VERBOSE_OFFSET) {
+ if (verbose & VERBOSE_STRIPE_OFFSET) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (verbose & ~VERBOSE_OFFSET)
+ if (verbose & ~VERBOSE_STRIPE_OFFSET)
llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_offset: ");
llapi_printf(LLAPI_MSG_NORMAL, "%d",
(int)lum->lum_stripe_offset);
}
if (verbose & VERBOSE_HASH_TYPE) {
- unsigned int type = lum->lum_hash_type;
+ unsigned int type = lum->lum_hash_type & LMV_HASH_TYPE_MASK;
+ unsigned int flags = lum->lum_hash_type & ~LMV_HASH_TYPE_MASK;
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_HASH_TYPE)
llapi_printf(LLAPI_MSG_NORMAL, "%s",
mdt_hash_name[type]);
else
- llapi_printf(LLAPI_MSG_NORMAL, "%d",
- (int)type);
+ llapi_printf(LLAPI_MSG_NORMAL, "%#x", type);
+
+ if (flags & LMV_HASH_FLAG_MIGRATION)
+ llapi_printf(LLAPI_MSG_NORMAL, ",migrating");
+ if (flags & LMV_HASH_FLAG_BAD_TYPE)
+ llapi_printf(LLAPI_MSG_NORMAL, ",bad_type");
+ if (flags & LMV_HASH_FLAG_LOST_LMV)
+ llapi_printf(LLAPI_MSG_NORMAL, ",lost_lmv");
+
separator = "\n";
}
if (verbose & VERBOSE_OBJID && lum->lum_magic != LMV_USER_MAGIC) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (obdstripe == 1 && lum->lum_stripe_count > 0)
+ if (lum->lum_stripe_count > 0)
llapi_printf(LLAPI_MSG_NORMAL,
"mdtidx\t\t FID[seq:oid:ver]\n");
for (i = 0; i < lum->lum_stripe_count; i++) {
int idx = objects[i].lum_mds;
struct lu_fid *fid = &objects[i].lum_fid;
+
if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx))
llapi_printf(LLAPI_MSG_NORMAL,
"%6u\t\t "DFID"\t\t%s\n",
idx, PFID(fid),
obdindex == idx ? " *" : "");
}
-
}
if ((verbose & VERBOSE_POOL) && pool_name != NULL &&
{
struct lov_comp_md_v1 *comp_v1 = (void *)¶m->fp_lmd->lmd_lmm;
int depth = param->fp_max_depth;
- int verbose = param->fp_verbose;
+ enum llapi_layout_verbose verbose = param->fp_verbose;
bool yaml = flags & LDF_YAML;
if (depth && path && ((verbose != VERBOSE_OBJID) ||
if (verbose & VERBOSE_DETAIL) {
llapi_printf(LLAPI_MSG_NORMAL, "composite_header:\n");
- llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_magic: 0x%08X\n",
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_magic: 0x%08X\n",
" ", comp_v1->lcm_magic);
- llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_size: %u\n",
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_size: %u\n",
" ", comp_v1->lcm_size);
- llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_flags: %u\n",
- " ", comp_v1->lcm_flags);
+ if (flags & LDF_IS_DIR)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%2slcm_flags: %s\n", " ",
+ comp_v1->lcm_mirror_count > 0 ?
+ "mirrored" : "");
+ else
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%2slcm_flags: %s\n", " ",
+ llapi_layout_flags_string(comp_v1->lcm_flags));
}
if (verbose & VERBOSE_GENERATION) {
if (verbose & ~VERBOSE_GENERATION)
- llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_layout_gen: ",
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_layout_gen: ",
" ");
llapi_printf(LLAPI_MSG_NORMAL, "%u\n", comp_v1->lcm_layout_gen);
}
+ if (verbose & VERBOSE_MIRROR_COUNT) {
+ if (verbose & ~VERBOSE_MIRROR_COUNT)
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_mirror_count: ",
+ " ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%u\n",
+ comp_v1->lcm_magic == LOV_USER_MAGIC_COMP_V1 ?
+ comp_v1->lcm_mirror_count + 1 : 1);
+ }
+
if (verbose & VERBOSE_COMP_COUNT) {
if (verbose & ~VERBOSE_COMP_COUNT)
- llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_entry_count: ",
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_entry_count: ",
" ");
llapi_printf(LLAPI_MSG_NORMAL, "%u\n",
comp_v1->lcm_magic == LOV_USER_MAGIC_COMP_V1 ?
llapi_printf(LLAPI_MSG_NORMAL, "components:\n");
}
-static void comp_flags2str(__u32 comp_flags)
+static void lcme_flags2str(__u32 comp_flags)
{
bool found = false;
int i = 0;
struct lov_comp_md_v1 *comp_v1 = (void *)¶m->fp_lmd->lmd_lmm;
struct lov_comp_md_entry_v1 *entry;
char *separator = "";
- int verbose = param->fp_verbose;
+ enum llapi_layout_verbose verbose = param->fp_verbose;
bool yaml = flags & LDF_YAML;
entry = &comp_v1->lcm_entries[index];
separator = "\n";
}
+ if (verbose & VERBOSE_MIRROR_ID) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_MIRROR_ID)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%4slcme_mirror_id: ", " ");
+ if (entry->lcme_id != LCME_ID_INVAL)
+ llapi_printf(LLAPI_MSG_NORMAL, "%u",
+ mirror_id_of(entry->lcme_id));
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "N/A");
+ separator = "\n";
+ }
+
if (verbose & VERBOSE_COMP_FLAGS) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_COMP_FLAGS)
llapi_printf(LLAPI_MSG_NORMAL,
"%4slcme_flags: ", " ");
- comp_flags2str(entry->lcme_flags);
+ lcme_flags2str(entry->lcme_flags);
+ separator = "\n";
+ }
+ /* print snapshot timestamp if its a nosync comp */
+ if ((verbose & VERBOSE_COMP_FLAGS) &&
+ (entry->lcme_flags & LCME_FL_NOSYNC)) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_COMP_FLAGS)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%4slcme_timestamp: ", " ");
+ if (yaml) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%llu",
+ (unsigned long long)entry->lcme_timestamp);
+ } else {
+ time_t stamp = entry->lcme_timestamp;
+ char *date_str = asctime(localtime(&stamp));
+
+ date_str[strlen(date_str) - 1] = '\0';
+ llapi_printf(LLAPI_MSG_NORMAL, "'%s'", date_str);
+ }
+
separator = "\n";
}
llapi_printf(LLAPI_MSG_NORMAL,
"%4slcme_extent.e_start: ", " ");
llapi_printf(LLAPI_MSG_NORMAL, "%llu",
- entry->lcme_extent.e_start);
+ (unsigned long long)entry->lcme_extent.e_start);
separator = "\n";
}
llapi_printf(LLAPI_MSG_NORMAL, "%s", "EOF");
else
llapi_printf(LLAPI_MSG_NORMAL, "%llu",
- entry->lcme_extent.e_end);
+ (unsigned long long)entry->lcme_extent.e_end);
separator = "\n";
}
}
}
-/* Check if the value matches 1 of the given criteria (e.g. --atime +/-N).
+/*
+ * Check if the value matches 1 of the given criteria (e.g. --atime +/-N).
* @mds indicates if this is MDS timestamps and there are attributes on OSTs.
*
* The result is -1 if it does not match, 0 if not yet clear, 1 if matches.
* 9 | file < limit; sign < 0 | ? / -1 |
* --------------------------------------
* Note: 5th actually means that the value is within the interval
- * (limit - margin, limit]. */
+ * (limit - margin, limit].
+ */
static int find_value_cmp(unsigned long long file, unsigned long long limit,
int sign, int negopt, unsigned long long margin,
- int mds)
+ bool mds)
{
int ret = -1;
if (sign > 0) {
- /* Drop the fraction of margin (of days). */
+ /* Drop the fraction of margin (of days or size). */
if (file + margin <= limit)
ret = mds ? 0 : 1;
} else if (sign == 0) {
lov_v1v3_pool_name(struct lov_user_md *v1, char *pool_name)
{
if (v1->lmm_magic == LOV_USER_MAGIC_V3)
- strlcpy(pool_name, ((struct lov_user_md_v3 *)v1)->lmm_pool_name,
- LOV_MAXPOOLNAME);
+ snprintf(pool_name, LOV_MAXPOOLNAME, "%s",
+ ((struct lov_user_md_v3 *)v1)->lmm_pool_name);
else
pool_name[0] = '\0';
}
/* print specific component info */
if (param->fp_check_comp_id || param->fp_check_comp_flags ||
- param->fp_check_comp_start || param->fp_check_comp_end)
+ param->fp_check_comp_start || param->fp_check_comp_end ||
+ param->fp_check_mirror_id || param->fp_check_mirror_index)
return false;
return true;
* lmm_fid: [0x200000401:0x1:0x0]
* lmm_stripe_count: 1
* lmm_stripe_size: 1048576
- * lmm_pattern: 1
+ * lmm_pattern: raid0
* lmm_layout_gen: 0
* lmm_stripe_offset: 0
* lmm_objects:
* lmm_fid: [0x200000401:0x1:0x0]
* lmm_stripe_count: 2
* lmm_stripe_size: 1048576
- * lmm_pattern: 1
+ * lmm_pattern: raid0
* lmm_layout_gen: 0
* lmm_stripe_offset: 1
* lmm_objects:
struct lov_user_md_v1 *v1;
char pool_name[LOV_MAXPOOLNAME + 1];
int obdindex = param->fp_obd_index;
- int i, j, match, obdstripe = 0;
+ int i, j, match, ext;
+ bool obdstripe = false;
+ __u16 mirror_index = 0;
+ __u16 mirror_id = 0;
if (obdindex != OBD_NOT_FOUND) {
- for (i = 0; !(flags & LDF_IS_DIR) &&
+ for (i = 0; !(flags & LDF_IS_DIR) && !obdstripe &&
i < comp_v1->lcm_entry_count; i++) {
if (!(comp_v1->lcm_entries[i].lcme_flags &
LCME_FL_INIT))
for (j = 0; j < v1->lmm_stripe_count; j++) {
if (obdindex == objects[j].l_ost_idx) {
- obdstripe = 1;
+ obdstripe = true;
break;
}
}
}
} else {
- obdstripe = 1;
+ obdstripe = true;
}
- if (obdstripe == 0)
+ if (!obdstripe)
return;
lov_dump_comp_v1_header(param, path, flags);
entry = &comp_v1->lcm_entries[i];
if (param->fp_check_comp_flags) {
- if ((param->fp_exclude_comp_flags &&
- (param->fp_comp_flags & entry->lcme_flags)) ||
- (!param->fp_exclude_comp_flags &&
- !(param->fp_comp_flags & entry->lcme_flags)))
+ if (((param->fp_comp_flags & entry->lcme_flags) !=
+ param->fp_comp_flags) ||
+ (param->fp_comp_neg_flags & entry->lcme_flags))
continue;
}
continue;
}
+ if (param->fp_check_mirror_index) {
+ if (mirror_id != mirror_id_of(entry->lcme_id)) {
+ mirror_index++;
+ mirror_id = mirror_id_of(entry->lcme_id);
+ }
+
+ match = find_value_cmp(mirror_index,
+ param->fp_mirror_index,
+ param->fp_mirror_index_sign,
+ param->fp_exclude_mirror_index,
+ 1, 0);
+ if (match == -1)
+ continue;
+ } else if (param->fp_check_mirror_id) {
+ if (mirror_id != mirror_id_of(entry->lcme_id))
+ mirror_id = mirror_id_of(entry->lcme_id);
+
+ match = find_value_cmp(mirror_id,
+ param->fp_mirror_id,
+ param->fp_mirror_id_sign,
+ param->fp_exclude_mirror_id,
+ 1, 0);
+ if (match == -1)
+ continue;
+ }
+
if (print_last_init_comp(param)) {
/**
* if part of stripe info is needed, we'd print only
*/
if (entry->lcme_flags & LCME_FL_INIT)
continue;
- else
- break;
+
+ if (param->fp_verbose & VERBOSE_EXT_SIZE) {
+ if (entry->lcme_flags & LCME_FL_EXTENSION)
+ /* moved back below */
+ i++;
+ else
+ continue;
+ }
+ break;
}
- if (entry->lcme_flags & LCME_FL_INIT)
- flags &= ~LDF_SKIP_OBJS;
- else
+ if (entry->lcme_flags & LCME_FL_INIT) {
+ if (obdindex != OBD_NOT_FOUND) {
+ flags |= LDF_SKIP_OBJS;
+ v1 = lov_comp_entry(comp_v1, i);
+ objects = lov_v1v3_objects(v1);
+
+ for (j = 0; j < v1->lmm_stripe_count; j++) {
+ if (obdindex == objects[j].l_ost_idx) {
+ flags &= ~LDF_SKIP_OBJS;
+ break;
+ }
+ }
+ } else {
+ flags &= ~LDF_SKIP_OBJS;
+ }
+ } else {
flags |= LDF_SKIP_OBJS;
+ }
+ if (obdindex != OBD_NOT_FOUND && (flags & LDF_SKIP_OBJS))
+ continue;
lov_dump_comp_v1_entry(param, flags, i);
v1 = lov_comp_entry(comp_v1, i);
objects = lov_v1v3_objects(v1);
lov_v1v3_pool_name(v1, pool_name);
+ ext = entry->lcme_flags & LCME_FL_EXTENSION ? LDF_EXTENSION : 0;
lov_dump_user_lmm_v1v3(v1, pool_name, objects, path, obdindex,
param->fp_max_depth, param->fp_verbose,
- flags);
+ flags | ext);
}
if (print_last_init_comp(param)) {
/**
objects = lov_v1v3_objects(v1);
lov_v1v3_pool_name(v1, pool_name);
+ entry = &comp_v1->lcm_entries[i];
+ ext = entry->lcme_flags & LCME_FL_EXTENSION ? LDF_EXTENSION : 0;
lov_dump_user_lmm_v1v3(v1, pool_name, objects, path, obdindex,
param->fp_max_depth, param->fp_verbose,
- flags);
+ flags | ext);
}
}
static inline bool has_any_comp_options(struct find_param *param)
{
- int verbose = param->fp_verbose;
+ enum llapi_layout_verbose verbose = param->fp_verbose;
if (param->fp_check_comp_id || param->fp_check_comp_count ||
param->fp_check_comp_start || param->fp_check_comp_end ||
int lum_size = lov_user_md_size(is_dir ? 0 : lum->lmm_stripe_count,
lum->lmm_magic);
- new = malloc(sizeof(lstat_t) + lum_off + lum_size);
+ new = malloc(offsetof(typeof(*new), lmd_lmm) + lum_off + lum_size);
if (new == NULL) {
llapi_printf(LLAPI_MSG_NORMAL, "out of memory\n");
return new;
}
- memcpy(new, orig, sizeof(lstat_t));
+ memcpy(new, orig, sizeof(new->lmd_stx) + sizeof(new->lmd_flags)
+ + sizeof(new->lmd_lmmsize));
comp_v1 = (struct lov_comp_md_v1 *)&new->lmd_lmm;
comp_v1->lcm_magic = lum->lmm_magic;
struct lov_user_ost_data_v1 *objects;
struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
- strlcpy(pool_name, lmmv3->lmm_pool_name, sizeof(pool_name));
+ snprintf(pool_name, sizeof(pool_name), "%s",
+ lmmv3->lmm_pool_name);
objects = lmmv3->lmm_objects;
lov_dump_user_lmm_v1v3(¶m->fp_lmd->lmd_lmm, pool_name,
objects, path, param->fp_obd_index,
}
}
+static uint32_t check_foreign_type(uint32_t foreign_type)
+{
+ uint32_t i;
+
+ for (i = 0; i < LU_FOREIGN_TYPE_UNKNOWN; i++) {
+ if (lu_foreign_types[i].lft_name == NULL)
+ break;
+ if (foreign_type == lu_foreign_types[i].lft_type)
+ return i;
+ }
+
+ return LU_FOREIGN_TYPE_UNKNOWN;
+}
+
+static void lov_dump_foreign_lmm(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
+{
+ struct lov_foreign_md *lfm = (void *)¶m->fp_lmd->lmd_lmm;
+ bool yaml = flags & LDF_YAML;
+
+ if (!yaml && param->fp_depth && path)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+
+ if (param->fp_verbose & VERBOSE_DETAIL) {
+ uint32_t type = check_foreign_type(lfm->lfm_type);
+
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_magic: 0x%08X\n",
+ lfm->lfm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_length: %u\n",
+ lfm->lfm_length);
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_type: 0x%08X",
+ lfm->lfm_type);
+ if (type < LU_FOREIGN_TYPE_UNKNOWN)
+ llapi_printf(LLAPI_MSG_NORMAL, " (%s)\n",
+ lu_foreign_types[type].lft_name);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, " (unknown)\n");
+
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_flags: 0x%08X\n",
+ lfm->lfm_flags);
+ }
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_value: '%.*s'\n",
+ lfm->lfm_length, lfm->lfm_value);
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+}
+
+static void lmv_dump_foreign_lmm(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
+{
+ struct lmv_foreign_md *lfm = (struct lmv_foreign_md *)param->fp_lmv_md;
+ bool yaml = flags & LDF_YAML;
+
+ if (!yaml && param->fp_depth && path)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+
+ if (param->fp_verbose & VERBOSE_DETAIL) {
+ uint32_t type = check_foreign_type(lfm->lfm_type);
+
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_magic: 0x%08X\n",
+ lfm->lfm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_length: %u\n",
+ lfm->lfm_length);
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_type: 0x%08X",
+ lfm->lfm_type);
+ if (type < LU_FOREIGN_TYPE_UNKNOWN)
+ llapi_printf(LLAPI_MSG_NORMAL, " (%s)\n",
+ lu_foreign_types[type].lft_name);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, " (unknown)\n");
+
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_flags: 0x%08X\n",
+ lfm->lfm_flags);
+ }
+ llapi_printf(LLAPI_MSG_NORMAL, "lfm_value: '%.*s'\n",
+ lfm->lfm_length, lfm->lfm_value);
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+}
+
static void llapi_lov_dump_user_lmm(struct find_param *param, char *path,
enum lov_dump_flags flags)
{
switch (magic) {
case LOV_USER_MAGIC_V1:
case LOV_USER_MAGIC_V3:
+ case LOV_USER_MAGIC_SPECIFIC:
lov_dump_plain_user_lmm(param, path, flags);
break;
+ case LOV_USER_MAGIC_FOREIGN:
+ lov_dump_foreign_lmm(param, path, flags);
+ break;
case LMV_MAGIC_V1:
case LMV_USER_MAGIC: {
char pool_name[LOV_MAXPOOLNAME + 1];
struct lmv_user_md *lum;
lum = (struct lmv_user_md *)param->fp_lmv_md;
- strlcpy(pool_name, lum->lum_pool_name, sizeof(pool_name));
+ snprintf(pool_name, sizeof(pool_name), "%s",
+ lum->lum_pool_name);
lmv_dump_user_lmm(lum, pool_name, path, param->fp_obd_index,
param->fp_max_depth, param->fp_verbose,
flags);
case LOV_USER_MAGIC_COMP_V1:
lov_dump_comp_v1(param, path, flags);
break;
+ case LMV_MAGIC_FOREIGN:
+ lmv_dump_foreign_lmm(param, path, flags);
+ break;
default:
- llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
- "(expecting one of %#x %#x %#x %#x)\n",
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "unknown lmm_magic: %#x (expecting one of %#x %#x %#x %#x)\n",
*(__u32 *)¶m->fp_lmd->lmd_lmm,
LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3,
LMV_USER_MAGIC, LMV_MAGIC_V1);
fd = open(dname, O_RDONLY | O_NONBLOCK);
if (fd == -1) {
rc = -errno;
- free(dname);
- return rc;
+ goto out_free;
}
strcpy((char *)lum, fname);
if (close(fd) == -1 && rc == 0)
rc = -errno;
+out_free:
free(dname);
return rc;
}
int llapi_file_lookup(int dirfd, const char *name)
{
- struct obd_ioctl_data data = { 0 };
- char rawbuf[8192];
- char *buf = rawbuf;
- int rc;
+ struct obd_ioctl_data data = { 0 };
+ char rawbuf[8192];
+ char *buf = rawbuf;
+ int rc;
- if (dirfd < 0 || name == NULL)
- return -EINVAL;
+ if (dirfd < 0 || name == NULL)
+ return -EINVAL;
- data.ioc_version = OBD_IOCTL_VERSION;
- data.ioc_len = sizeof(data);
- data.ioc_inlbuf1 = (char *)name;
- data.ioc_inllen1 = strlen(name) + 1;
+ data.ioc_version = OBD_IOCTL_VERSION;
+ data.ioc_len = sizeof(data);
+ data.ioc_inlbuf1 = (char *)name;
+ data.ioc_inllen1 = strlen(name) + 1;
- rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
- if (rc) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
- name, rc);
- return rc;
- }
+ rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
+ name, rc);
+ return rc;
+ }
- rc = ioctl(dirfd, IOC_MDC_LOOKUP, buf);
- if (rc < 0)
- rc = -errno;
- return rc;
+ rc = ioctl(dirfd, IOC_MDC_LOOKUP, buf);
+ if (rc < 0)
+ rc = -errno;
+ return rc;
}
-/* Check if the file time matches all the given criteria (e.g. --atime +/-N).
+/*
+ * Check if the file time matches all the given criteria (e.g. --atime +/-N).
* Return -1 or 1 if file timestamp does not or does match the given criteria
* correspondingly. Return 0 if the MDS time is being checked and there are
* attributes on OSTs and it is not yet clear if the timespamp matches.
*
* If 0 is returned, we need to do another RPC to the OSTs to obtain the
- * updated timestamps. */
-static int find_time_check(lstat_t *st, struct find_param *param, int mds)
+ * updated timestamps.
+ */
+static int find_time_check(struct find_param *param, int mds)
{
+ struct lov_user_mds_data *lmd = param->fp_lmd;
int rc = 1;
int rc2;
/* Check if file is accepted. */
if (param->fp_atime) {
- rc2 = find_value_cmp(st->st_atime, param->fp_atime,
- param->fp_asign, param->fp_exclude_atime,
- 24 * 60 * 60, mds);
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_atime.tv_sec,
+ param->fp_atime, param->fp_asign,
+ param->fp_exclude_atime,
+ param->fp_time_margin, mds);
if (rc2 < 0)
return rc2;
rc = rc2;
}
if (param->fp_mtime) {
- rc2 = find_value_cmp(st->st_mtime, param->fp_mtime,
- param->fp_msign, param->fp_exclude_mtime,
- 24 * 60 * 60, mds);
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_mtime.tv_sec,
+ param->fp_mtime, param->fp_msign,
+ param->fp_exclude_mtime,
+ param->fp_time_margin, mds);
if (rc2 < 0)
return rc2;
- /* If the previous check matches, but this one is not yet clear,
- * we should return 0 to do an RPC on OSTs. */
+ /*
+ * If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs.
+ */
if (rc == 1)
rc = rc2;
}
if (param->fp_ctime) {
- rc2 = find_value_cmp(st->st_ctime, param->fp_ctime,
- param->fp_csign, param->fp_exclude_ctime,
- 24 * 60 * 60, mds);
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_ctime.tv_sec,
+ param->fp_ctime, param->fp_csign,
+ param->fp_exclude_ctime,
+ param->fp_time_margin, mds);
if (rc2 < 0)
return rc2;
- /* If the previous check matches, but this one is not yet clear,
- * we should return 0 to do an RPC on OSTs. */
+ /*
+ * If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs.
+ */
if (rc == 1)
rc = rc2;
}
return rc;
}
+static int find_newerxy_check(struct find_param *param, int mds, bool from_mdt)
+{
+ struct lov_user_mds_data *lmd = param->fp_lmd;
+ int i;
+ int rc = 1;
+ int rc2;
+
+ for (i = 0; i < 2; i++) {
+ /* Check if file is accepted. */
+ if (param->fp_newery[NEWERXY_ATIME][i]) {
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_atime.tv_sec,
+ param->fp_newery[NEWERXY_ATIME][i],
+ -1, i, 0, mds);
+ if (rc2 < 0)
+ return rc2;
+ rc = rc2;
+ }
+
+ if (param->fp_newery[NEWERXY_MTIME][i]) {
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_mtime.tv_sec,
+ param->fp_newery[NEWERXY_MTIME][i],
+ -1, i, 0, mds);
+ if (rc2 < 0)
+ return rc2;
+
+ /*
+ * If the previous check matches, but this one is not
+ * yet clear, we should return 0 to do an RPC on OSTs.
+ */
+ if (rc == 1)
+ rc = rc2;
+ }
+
+ if (param->fp_newery[NEWERXY_CTIME][i]) {
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_ctime.tv_sec,
+ param->fp_newery[NEWERXY_CTIME][i],
+ -1, i, 0, mds);
+ if (rc2 < 0)
+ return rc2;
+
+ /*
+ * If the previous check matches, but this one is not
+ * yet clear, we should return 0 to do an RPC on OSTs.
+ */
+ if (rc == 1)
+ rc = rc2;
+ }
+
+ /*
+ * File birth time (btime) can get from MDT directly.
+ * if @from_mdt is true, it means the input file attributs are
+ * obtained directly from MDT.
+ * Thus, if @from_mdt is false, we should skip the following
+ * btime check.
+ */
+ if (!from_mdt)
+ continue;
+
+ if (param->fp_newery[NEWERXY_BTIME][i]) {
+ if (!(lmd->lmd_stx.stx_mask & STATX_BTIME))
+ return -EOPNOTSUPP;
+
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_btime.tv_sec,
+ param->fp_newery[NEWERXY_BTIME][i],
+ -1, i, 0, 0);
+ if (rc2 < 0)
+ return rc2;
+ }
+ }
+
+ return rc;
+}
+
/**
* Check whether the stripes matches the indexes user provided
* 1 : matched
{
struct lov_user_ost_data_v1 *objects;
struct lov_comp_md_v1 *comp_v1 = NULL;
- struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
- lstat_t *st = ¶m->fp_lmd->lmd_st;
+ struct lov_user_mds_data *lmd = param->fp_lmd;
+ struct lov_user_md_v1 *v1 = &lmd->lmd_lmm;
int i, j, k, count = 1;
if (param->fp_obd_uuid && param->fp_obd_index == OBD_NOT_FOUND)
return 0;
- if (!S_ISREG(st->st_mode))
+ if (!S_ISREG(lmd->lmd_stx.stx_mode))
return 0;
- /* Only those files should be accepted, which have a
- * stripe on the specified OST. */
+ /* exclude foreign */
+ if (v1->lmm_magic == LOV_USER_MAGIC_FOREIGN)
+ return param->fp_exclude_obd;
+
+ /*
+ * Only those files should be accepted, which have a
+ * stripe on the specified OST.
+ */
if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
comp_v1 = (struct lov_comp_md_v1 *)v1;
count = comp_v1->lcm_entry_count;
objects = lov_v1v3_objects(v1);
for (j = 0; j < v1->lmm_stripe_count; j++) {
+ if (comp_v1 && !(comp_v1->lcm_entries[i].lcme_flags &
+ LCME_FL_INIT))
+ continue;
for (k = 0; k < param->fp_num_obds; k++) {
if (param->fp_obd_indexes[k] ==
objects[j].l_ost_idx)
* not active, just print the object affected by this
* failed target
**/
-static int print_failed_tgt(struct find_param *param, char *path, int type)
+static void print_failed_tgt(struct find_param *param, char *path, int type)
{
- struct obd_statfs stat_buf;
- struct obd_uuid uuid_buf;
- int ret;
-
- if (type != LL_STATFS_LOV && type != LL_STATFS_LMV)
- return -EINVAL;
+ struct obd_statfs stat_buf;
+ struct obd_uuid uuid_buf;
+ int tgt_nr, i, *indexes;
+ int ret = 0;
- memset(&stat_buf, 0, sizeof(struct obd_statfs));
- memset(&uuid_buf, 0, sizeof(struct obd_uuid));
- ret = llapi_obd_statfs(path, type,
- param->fp_obd_index, &stat_buf,
- &uuid_buf);
- if (ret) {
- llapi_printf(LLAPI_MSG_NORMAL,
- "obd_uuid: %s failed %s ",
- param->fp_obd_uuid->uuid,
- strerror(errno));
+ if (type != LL_STATFS_LOV && type != LL_STATFS_LMV) {
+ llapi_error(LLAPI_MSG_NORMAL, ret, "%s: wrong statfs type(%d)",
+ __func__, type);
+ return;
}
- return ret;
+ tgt_nr = (type == LL_STATFS_LOV) ? param->fp_obd_index :
+ param->fp_mdt_index;
+ indexes = (type == LL_STATFS_LOV) ? param->fp_obd_indexes :
+ param->fp_mdt_indexes;
+
+ for (i = 0; i < tgt_nr; i++) {
+ memset(&stat_buf, 0, sizeof(struct obd_statfs));
+ memset(&uuid_buf, 0, sizeof(struct obd_uuid));
+
+ ret = llapi_obd_statfs(path, type, indexes[i], &stat_buf,
+ &uuid_buf);
+ if (ret)
+ llapi_error(LLAPI_MSG_NORMAL, ret,
+ "%s: obd_uuid: %s failed",
+ __func__, param->fp_obd_uuid->uuid);
+ }
}
static int find_check_stripe_size(struct find_param *param)
{
struct lov_comp_md_v1 *comp_v1 = NULL;
struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ __u32 stripe_size = 0;
int ret, i, count = 1;
+ if (v1->lmm_magic == LOV_USER_MAGIC_FOREIGN)
+ return param->fp_exclude_stripe_size ? 1 : -1;
+
+ ret = param->fp_exclude_stripe_size ? 1 : -1;
if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
comp_v1 = (struct lov_comp_md_v1 *)v1;
count = comp_v1->lcm_entry_count;
- ret = param->fp_exclude_stripe_size ? 1 : -1;
}
for (i = 0; i < count; i++) {
- if (comp_v1)
+ struct lov_comp_md_entry_v1 *ent;
+
+ if (comp_v1) {
v1 = lov_comp_entry(comp_v1, i);
- ret = find_value_cmp(v1->lmm_stripe_size, param->fp_stripe_size,
- param->fp_stripe_size_sign,
- param->fp_exclude_stripe_size,
- param->fp_stripe_size_units, 0);
- /* If any stripe_size matches */
- if (ret != -1)
- break;
+ ent = &comp_v1->lcm_entries[i];
+ if (ent->lcme_flags & LCME_FL_EXTENSION)
+ continue;
+ if (!(ent->lcme_flags & LCME_FL_INIT))
+ continue;
+ }
+ stripe_size = v1->lmm_stripe_size;
}
+ ret = find_value_cmp(stripe_size, param->fp_stripe_size,
+ param->fp_stripe_size_sign,
+ param->fp_exclude_stripe_size,
+ param->fp_stripe_size_units, 0);
+
return ret;
}
-static __u32 find_get_stripe_count(struct find_param *param)
+static int find_check_ext_size(struct find_param *param)
{
- struct lov_comp_md_v1 *comp_v1 = NULL;
- struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_user_md_v1 *v1;
+ int ret, i;
+
+ ret = param->fp_exclude_ext_size ? 1 : -1;
+ comp_v1 = (struct lov_comp_md_v1 *)¶m->fp_lmd->lmd_lmm;
+ if (comp_v1->lcm_magic != LOV_USER_MAGIC_COMP_V1)
+ return ret;
+
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ struct lov_comp_md_entry_v1 *ent;
+
+ v1 = lov_comp_entry(comp_v1, i);
+
+ ent = &comp_v1->lcm_entries[i];
+ if (!(ent->lcme_flags & LCME_FL_EXTENSION))
+ continue;
+
+ ret = find_value_cmp(v1->lmm_stripe_size, param->fp_ext_size,
+ param->fp_ext_size_sign,
+ param->fp_exclude_ext_size,
+ param->fp_ext_size_units, 0);
+ /* If any ext_size matches */
+ if (ret != -1)
+ break;
+ }
+
+ return ret;
+}
+
+static __u32 find_get_stripe_count(struct find_param *param)
+{
+ struct lov_comp_md_v1 *comp_v1 = NULL;
+ struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
int i, count = 1;
__u32 stripe_count = 0;
+ if (v1->lmm_magic == LOV_USER_MAGIC_FOREIGN)
+ return 0;
+
if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
comp_v1 = (struct lov_comp_md_v1 *)v1;
count = comp_v1->lcm_entry_count;
}
for (i = 0; i < count; i++) {
- if (comp_v1)
+ if (comp_v1) {
+ struct lov_comp_md_entry_v1 *ent;
+
v1 = lov_comp_entry(comp_v1, i);
- stripe_count += v1->lmm_stripe_count;
+
+ ent = &comp_v1->lcm_entries[i];
+ if (!(ent->lcme_flags & LCME_FL_INIT))
+ continue;
+
+ if (ent->lcme_flags & LCME_FL_EXTENSION)
+ continue;
+ }
+ stripe_count = v1->lmm_stripe_count;
}
return stripe_count;
if (comp_v1)
v1 = lov_comp_entry(comp_v1, i);
+ /* foreign file have a special magic but no pattern field */
+ if (v1->lmm_magic == LOV_USER_MAGIC_FOREIGN)
+ continue;
+
if (v1->lmm_pattern == LOV_PATTERN_INVALID)
continue;
return -1;
}
+/*
+ * if no type specified, check/exclude all foreign
+ * if type specified, check all foreign&type and exclude !foreign + foreign&type
+ */
+static int find_check_foreign(struct find_param *param)
+{
+ if (S_ISREG(param->fp_lmd->lmd_stx.stx_mode)) {
+ struct lov_foreign_md *lfm;
+
+ lfm = (void *)¶m->fp_lmd->lmd_lmm;
+ if (lfm->lfm_magic != LOV_USER_MAGIC_FOREIGN) {
+ if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN)
+ return param->fp_exclude_foreign ? 1 : -1;
+ return -1;
+ }
+
+ if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN ||
+ lfm->lfm_type == param->fp_foreign_type)
+ return param->fp_exclude_foreign ? -1 : 1;
+ return param->fp_exclude_foreign ? 1 : -1;
+ }
+
+ if (S_ISDIR(param->fp_lmd->lmd_stx.stx_mode)) {
+ struct lmv_foreign_md *lfm;
+
+ lfm = (void *)param->fp_lmv_md;
+ if (lfm->lfm_magic != LMV_MAGIC_FOREIGN) {
+ if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN)
+ return param->fp_exclude_foreign ? 1 : -1;
+ return -1;
+ }
+
+ if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN ||
+ lfm->lfm_type == param->fp_foreign_type)
+ return param->fp_exclude_foreign ? -1 : 1;
+ return param->fp_exclude_foreign ? 1 : -1;
+ }
+ return -1;
+}
+
static int find_check_pool(struct find_param *param)
{
struct lov_comp_md_v1 *comp_v1 = NULL;
- struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
- struct lov_user_md_v3 *v3 = (void *)v1;
+ struct lov_user_md_v3 *v3 = (void *)¶m->fp_lmd->lmd_lmm;
int i, count = 1;
bool found = false;
- if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
- comp_v1 = (struct lov_comp_md_v1 *)v1;
+ if (v3->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v3;
count = comp_v1->lcm_entry_count;
/* empty requested pool is taken as no pool search */
- if (count == 0 && param->fp_poolname[0] == '\0')
+ if (count == 0 && param->fp_poolname[0] == '\0') {
found = true;
+ goto found;
+ }
}
for (i = 0; i < count; i++) {
- if (comp_v1 != NULL)
- v1 = lov_comp_entry(comp_v1, i);
+ if (comp_v1 != NULL) {
+ if (!(comp_v1->lcm_entries[i].lcme_flags &
+ LCME_FL_INIT))
+ continue;
+
+ v3 = (void *)lov_comp_entry(comp_v1, i);
+ }
- if (((v1->lmm_magic == LOV_USER_MAGIC_V1) &&
+ if (v3->lmm_magic == LOV_USER_MAGIC_FOREIGN)
+ continue;
+
+ if (((v3->lmm_magic == LOV_USER_MAGIC_V1) &&
(param->fp_poolname[0] == '\0')) ||
- ((v1->lmm_magic == LOV_USER_MAGIC_V3) &&
+ ((v3->lmm_magic == LOV_USER_MAGIC_V3) &&
(strncmp(v3->lmm_pool_name,
param->fp_poolname, LOV_MAXPOOLNAME) == 0)) ||
- ((v1->lmm_magic == LOV_USER_MAGIC_V3) &&
+ ((v3->lmm_magic == LOV_USER_MAGIC_V3) &&
(strcmp(param->fp_poolname, "*") == 0))) {
found = true;
break;
}
}
+found:
if ((found && !param->fp_exclude_pool) ||
(!found && param->fp_exclude_pool))
return 1;
static int find_check_comp_options(struct find_param *param)
{
- lstat_t *st = ¶m->fp_lmd->lmd_st;
struct lov_comp_md_v1 *comp_v1, *forged_v1 = NULL;
- struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ struct lov_user_mds_data *lmd = param->fp_lmd;
+ struct lov_user_md_v1 *v1 = &lmd->lmd_lmm;
struct lov_comp_md_entry_v1 *entry;
int i, ret = 0;
+ if (v1->lmm_magic == LOV_USER_MAGIC_FOREIGN)
+ return -1;
+
if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
comp_v1 = (struct lov_comp_md_v1 *)v1;
} else {
comp_v1 = forged_v1;
comp_v1->lcm_entry_count = 1;
entry = &comp_v1->lcm_entries[0];
- entry->lcme_flags = S_ISDIR(st->st_mode) ? 0 : LCME_FL_INIT;
+ entry->lcme_flags = S_ISDIR(lmd->lmd_stx.stx_mode) ?
+ 0 : LCME_FL_INIT;
entry->lcme_extent.e_start = 0;
entry->lcme_extent.e_end = LUSTRE_EOF;
}
entry = &comp_v1->lcm_entries[i];
if (param->fp_check_comp_flags) {
- if (((entry->lcme_flags & param->fp_comp_flags) &&
- param->fp_exclude_comp_flags) ||
- (!(entry->lcme_flags & param->fp_comp_flags) &&
- !param->fp_exclude_comp_flags))
+ ret = 1;
+ if (((param->fp_comp_flags & entry->lcme_flags) !=
+ param->fp_comp_flags) ||
+ (param->fp_comp_neg_flags & entry->lcme_flags)) {
ret = -1;
- else
- ret = 1;
-
- if (ret == -1)
continue;
+ }
}
if (param->fp_check_comp_start) {
break;
}
out:
- if (forged_v1 != NULL)
+ if (forged_v1)
free(forged_v1);
return ret;
}
+static int find_check_mirror_options(struct find_param *param)
+{
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ int ret = 0;
+
+ if (v1->lmm_magic != LOV_USER_MAGIC_COMP_V1)
+ return -1;
+
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+
+ if (param->fp_check_mirror_count) {
+ ret = find_value_cmp(comp_v1->lcm_mirror_count + 1,
+ param->fp_mirror_count,
+ param->fp_mirror_count_sign,
+ param->fp_exclude_mirror_count, 1, 0);
+ if (ret == -1)
+ return ret;
+ }
+
+ if (param->fp_check_mirror_state) {
+ ret = 1;
+ __u16 file_state = comp_v1->lcm_flags & LCM_FL_FLR_MASK;
+
+ if ((param->fp_mirror_state != 0 &&
+ file_state != param->fp_mirror_state) ||
+ file_state == param->fp_mirror_neg_state)
+ return -1;
+ }
+
+ return ret;
+}
+
static bool find_check_lmm_info(struct find_param *param)
{
return param->fp_check_pool || param->fp_check_stripe_count ||
param->fp_check_stripe_size || param->fp_check_layout ||
param->fp_check_comp_count || param->fp_check_comp_end ||
param->fp_check_comp_start || param->fp_check_comp_flags ||
+ param->fp_check_mirror_count || param->fp_check_foreign ||
+ param->fp_check_mirror_state || param->fp_check_ext_size ||
param->fp_check_projid;
}
struct fsxattr fsx;
int rc;
- rc = ioctl(fd, LL_IOC_FSGETXATTR, &fsx);
+ rc = ioctl(fd, FS_IOC_FSGETXATTR, &fsx);
if (rc)
return -errno;
void *data, struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
+ struct lov_user_mds_data *lmd = param->fp_lmd;
DIR *dir = dirp == NULL ? NULL : *dirp;
int decision = 1; /* 1 is accepted; -1 is rejected. */
- lstat_t *st = ¶m->fp_lmd->lmd_st;
int lustre_fs = 1;
int checked_type = 0;
int ret = 0;
__u32 stripe_count = 0;
+ __u64 flags;
int fd = -2;
if (parent == NULL && dir == NULL)
/* If a regular expression is presented, make the initial decision */
if (param->fp_pattern != NULL) {
char *fname = strrchr(path, '/');
+
fname = (fname == NULL ? path : fname + 1);
ret = fnmatch(param->fp_pattern, fname, 0);
if ((ret == FNM_NOMATCH && !param->fp_exclude_pattern) ||
ret = 0;
- /* Request MDS for the stat info if some of these parameters need
- * to be compared. */
+ /*
+ * Request MDS for the stat info if some of these parameters need
+ * to be compared.
+ */
if (param->fp_obd_uuid || param->fp_mdt_uuid ||
param->fp_check_uid || param->fp_check_gid ||
+ param->fp_newerxy || param->fp_btime ||
param->fp_atime || param->fp_mtime || param->fp_ctime ||
- param->fp_check_size || find_check_lmm_info(param) ||
+ param->fp_check_size || param->fp_check_blocks ||
+ find_check_lmm_info(param) ||
param->fp_check_mdt_count || param->fp_check_hash_type)
decision = 0;
if (param->fp_type != 0 && checked_type == 0)
- decision = 0;
+ decision = 0;
if (decision == 0) {
- if (param->fp_check_mdt_count || param->fp_check_hash_type) {
+ if (dir && (param->fp_check_mdt_count ||
+ param->fp_check_hash_type || param->fp_check_foreign)) {
param->fp_get_lmv = 1;
ret = cb_get_dirstripe(path, dir, param);
- if (ret != 0)
+ if (ret != 0) {
+ /*
+ * XXX this works to decide for foreign
+ * criterion only
+ */
+ if (errno == ENODATA &&
+ param->fp_check_foreign) {
+ if (param->fp_exclude_foreign)
+ goto foreign;
+ goto decided;
+ }
return ret;
+ }
}
param->fp_lmd->lmd_lmm.lmm_magic = 0;
ret = get_lmd_info(path, parent, dir, param->fp_lmd,
- param->fp_lum_size);
+ param->fp_lum_size, GET_LMD_INFO);
if (ret == 0 && param->fp_lmd->lmd_lmm.lmm_magic == 0 &&
find_check_lmm_info(param)) {
struct lov_user_md *lmm = ¶m->fp_lmd->lmd_lmm;
- /* We need to "fake" the "use the default" values
- * since the lmm struct is zeroed out at this point. */
+ /*
+ * We need to "fake" the "use the default" values
+ * since the lmm struct is zeroed out at this point.
+ */
lmm->lmm_magic = LOV_USER_MAGIC_V1;
lmm->lmm_pattern = LOV_PATTERN_DEFAULT;
if (!param->fp_raw)
if (dir != NULL) {
ret = llapi_file_fget_mdtidx(dirfd(dir),
¶m->fp_file_mdt_index);
- } else if (S_ISREG(st->st_mode)) {
- /* FIXME: we could get the MDT index from the
+ } else if (S_ISREG(lmd->lmd_stx.stx_mode)) {
+ /*
+ * FIXME: we could get the MDT index from the
* file's FID in lmd->lmd_lmm.lmm_oi without
* opening the file, once we are sure that
* LFSCK2 (2.6) has fixed up pre-2.0 LOV EAs.
* That would still be an ioctl() to map the
- * FID to the MDT, but not an open RPC. */
+ * FID to the MDT, but not an open RPC.
+ */
fd = open(path, O_RDONLY);
if (fd > 0) {
ret = llapi_file_fget_mdtidx(fd,
ret = -errno;
}
} else {
- /* For a special file, we assume it resides on
- * the same MDT as the parent directory. */
+ /*
+ * For a special file, we assume it resides on
+ * the same MDT as the parent directory.
+ */
ret = llapi_file_fget_mdtidx(dirfd(parent),
¶m->fp_file_mdt_index);
}
}
if (param->fp_type && !checked_type) {
- if ((st->st_mode & S_IFMT) == param->fp_type) {
+ if ((lmd->lmd_stx.stx_mode & S_IFMT) == param->fp_type) {
if (param->fp_exclude_type)
goto decided;
} else {
}
}
- /* Prepare odb. */
+ /* Prepare odb. */
if (param->fp_obd_uuid || param->fp_mdt_uuid) {
if (lustre_fs && param->fp_got_uuids &&
- param->fp_dev != st->st_dev) {
+ param->fp_dev != makedev(lmd->lmd_stx.stx_dev_major,
+ lmd->lmd_stx.stx_dev_minor)) {
/* A lustre/lustre mount point is crossed. */
param->fp_got_uuids = 0;
param->fp_obds_printed = 0;
if (ret)
goto out;
- param->fp_dev = st->st_dev;
+ param->fp_dev = makedev(lmd->lmd_stx.stx_dev_major,
+ lmd->lmd_stx.stx_dev_minor);
} else if (!lustre_fs && param->fp_got_uuids) {
/* A lustre/non-lustre mount point is crossed. */
param->fp_got_uuids = 0;
param->fp_mdt_index = OBD_NOT_FOUND;
param->fp_obd_index = OBD_NOT_FOUND;
- }
- }
+ }
+ }
+
+ if (param->fp_check_foreign) {
+ decision = find_check_foreign(param);
+ if (decision == -1)
+ goto decided;
+ }
if (param->fp_check_stripe_size) {
decision = find_check_stripe_size(param);
goto decided;
}
+ if (param->fp_check_ext_size) {
+ decision = find_check_ext_size(param);
+ if (decision == -1)
+ goto decided;
+ }
+
if (param->fp_check_stripe_count) {
decision = find_value_cmp(stripe_count, param->fp_stripe_count,
param->fp_stripe_count_sign,
}
if (param->fp_check_mdt_count) {
+ if (param->fp_lmv_md->lum_magic == LMV_MAGIC_FOREIGN) {
+ decision = -1;
+ goto decided;
+ }
+
decision = find_value_cmp(
param->fp_lmv_md->lum_stripe_count,
param->fp_mdt_count,
if (param->fp_check_hash_type) {
__u32 found;
+ if (param->fp_lmv_md->lum_magic == LMV_MAGIC_FOREIGN) {
+ decision = -1;
+ goto decided;
+ }
+
found = param->fp_lmv_md->lum_hash_type & param->fp_hash_type;
if ((found && param->fp_exclude_hash_type) ||
(!found && !param->fp_exclude_hash_type)) {
(param->fp_mdt_uuid && param->fp_mdt_index == OBD_NOT_FOUND))
goto decided;
- /* If an OST or MDT UUID is given, and some OST matches,
- * check it here. */
+ /*
+ * If an OST or MDT UUID is given, and some OST matches,
+ * check it here.
+ */
if (param->fp_obd_index != OBD_NOT_FOUND ||
param->fp_mdt_index != OBD_NOT_FOUND) {
if (param->fp_obd_uuid) {
if (check_obd_match(param)) {
- /* If no mdtuuid is given, we are done.
+ /*
+ * If no mdtuuid is given, we are done.
* Otherwise, fall through to the mdtuuid
- * check below. */
+ * check below.
+ */
if (!param->fp_mdt_uuid)
goto obd_matches;
} else {
obd_matches:
if (param->fp_check_uid) {
- if (st->st_uid == param->fp_uid) {
+ if (lmd->lmd_stx.stx_uid == param->fp_uid) {
if (param->fp_exclude_uid)
goto decided;
} else {
}
if (param->fp_check_gid) {
- if (st->st_gid == param->fp_gid) {
+ if (lmd->lmd_stx.stx_gid == param->fp_gid) {
if (param->fp_exclude_gid)
goto decided;
} else {
if (ret)
goto out;
if (projid == param->fp_projid) {
- if (param->fp_exclude_uid)
+ if (param->fp_exclude_projid)
goto decided;
} else {
if (!param->fp_exclude_projid)
goto decided;
}
+ if (param->fp_check_mirror_count || param->fp_check_mirror_state) {
+ decision = find_check_mirror_options(param);
+ if (decision == -1)
+ goto decided;
+ }
+
/* Check the time on mds. */
decision = 1;
if (param->fp_atime || param->fp_mtime || param->fp_ctime) {
- int for_mds;
+ int for_mds;
for_mds = lustre_fs ?
- (S_ISREG(st->st_mode) && stripe_count) : 0;
- decision = find_time_check(st, param, for_mds);
- if (decision == -1)
- goto decided;
- }
+ (S_ISREG(lmd->lmd_stx.stx_mode) && stripe_count) : 0;
+ decision = find_time_check(param, for_mds);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_btime) {
+ if (!(lmd->lmd_stx.stx_mask & STATX_BTIME)) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
+
+ decision = find_value_cmp(lmd->lmd_stx.stx_btime.tv_sec,
+ param->fp_btime, param->fp_bsign,
+ param->fp_exclude_btime,
+ param->fp_time_margin, 0);
+ if (decision == -1)
+ goto decided;
+ }
- /* If file still fits the request, ask ost for updated info.
- The regular stat is almost of the same speed as some new
- 'glimpse-size-ioctl'. */
+ if (param->fp_newerxy) {
+ int for_mds;
+
+ for_mds = lustre_fs ?
+ (S_ISREG(lmd->lmd_stx.stx_mode) && stripe_count) : 0;
+ decision = find_newerxy_check(param, for_mds, true);
+ if (decision == -1)
+ goto decided;
+ if (decision < 0) {
+ ret = decision;
+ goto out;
+ }
+ }
- if (param->fp_check_size && S_ISREG(st->st_mode) && stripe_count)
+ flags = param->fp_lmd->lmd_flags;
+ if (param->fp_check_size &&
+ ((S_ISREG(lmd->lmd_stx.stx_mode) && stripe_count) ||
+ S_ISDIR(lmd->lmd_stx.stx_mode)) &&
+ !(flags & OBD_MD_FLSIZE ||
+ (param->fp_lazy && flags & OBD_MD_FLLAZYSIZE)))
decision = 0;
- if (param->fp_check_size && S_ISDIR(st->st_mode))
+ if (param->fp_check_blocks &&
+ ((S_ISREG(lmd->lmd_stx.stx_mode) && stripe_count) ||
+ S_ISDIR(lmd->lmd_stx.stx_mode)) &&
+ !(flags & OBD_MD_FLBLOCKS ||
+ (param->fp_lazy && flags & OBD_MD_FLLAZYBLOCKS)))
decision = 0;
+ /*
+ * If file still fits the request, ask ost for updated info.
+ * The regular stat is almost of the same speed as some new
+ * 'glimpse-size-ioctl'.
+ */
if (!decision) {
- /* For regular files with the stripe the decision may have not
- * been taken yet if *time or size is to be checked. */
+ lstat_t st;
+
+ /*
+ * For regular files with the stripe the decision may have not
+ * been taken yet if *time or size is to be checked.
+ */
if (param->fp_obd_index != OBD_NOT_FOUND)
- print_failed_tgt(param, path, LL_STATFS_LOV);
+ print_failed_tgt(param, path, LL_STATFS_LOV);
if (param->fp_mdt_index != OBD_NOT_FOUND)
- print_failed_tgt(param, path, LL_STATFS_LMV);
+ print_failed_tgt(param, path, LL_STATFS_LMV);
if (dir != NULL)
- ret = fstat_f(dirfd(dir), st);
+ ret = fstat_f(dirfd(dir), &st);
else if (de != NULL)
- ret = fstatat_f(dirfd(parent), de->d_name, st,
+ ret = fstatat_f(dirfd(parent), de->d_name, &st,
AT_SYMLINK_NOFOLLOW);
else
- ret = lstat_f(path, st);
-
- if (ret) {
- if (errno == ENOENT) {
- llapi_error(LLAPI_MSG_ERROR, -ENOENT,
- "warning: %s: %s does not exist",
- __func__, path);
- goto decided;
- } else {
+ ret = lstat_f(path, &st);
+
+ if (ret) {
+ if (errno == ENOENT) {
+ llapi_error(LLAPI_MSG_ERROR, -ENOENT,
+ "warning: %s: %s does not exist",
+ __func__, path);
+ goto decided;
+ } else {
ret = -errno;
llapi_error(LLAPI_MSG_ERROR, ret,
- "%s: IOC_LOV_GETINFO on %s failed",
+ "%s: stat on %s failed",
__func__, path);
goto out;
}
}
+ convert_lmd_statx(param->fp_lmd, &st, true);
/* Check the time on osc. */
- decision = find_time_check(st, param, 0);
+ decision = find_time_check(param, 0);
if (decision == -1)
goto decided;
+
+ if (param->fp_newerxy) {
+ decision = find_newerxy_check(param, 0, false);
+ if (decision == -1)
+ goto decided;
+ if (decision < 0) {
+ ret = decision;
+ goto out;
+ }
+ }
}
- if (param->fp_check_size)
- decision = find_value_cmp(st->st_size, param->fp_size,
+ if (param->fp_check_size) {
+ decision = find_value_cmp(lmd->lmd_stx.stx_size,
+ param->fp_size,
param->fp_size_sign,
param->fp_exclude_size,
param->fp_size_units, 0);
+ if (decision == -1)
+ goto decided;
+ }
- if (decision != -1) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", path);
- if (param->fp_zero_end)
- llapi_printf(LLAPI_MSG_NORMAL, "%c", '\0');
- else
- llapi_printf(LLAPI_MSG_NORMAL, "\n");
+ if (param->fp_check_blocks) { /* convert st_blocks to bytes */
+ decision = find_value_cmp(lmd->lmd_stx.stx_blocks * 512,
+ param->fp_blocks,
+ param->fp_blocks_sign,
+ param->fp_exclude_blocks,
+ param->fp_blocks_units, 0);
+ if (decision == -1)
+ goto decided;
}
+foreign:
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", path);
+ if (param->fp_zero_end)
+ llapi_printf(LLAPI_MSG_NORMAL, "%c", '\0');
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+
decided:
ret = 0;
/* Do not get down anymore? */
static int cb_migrate_mdt_init(char *path, DIR *parent, DIR **dirp,
void *param_data, struct dirent64 *de)
{
- struct find_param *param = (struct find_param *)param_data;
- DIR *tmp_parent = parent;
- char raw[MAX_IOC_BUFLEN] = {'\0'};
- char *rawbuf = raw;
- struct obd_ioctl_data data = { 0 };
- int fd;
- int ret;
- char *path_copy;
- char *filename;
- bool retry = false;
+ struct find_param *param = (struct find_param *)param_data;
+ struct lmv_user_md *lmu = param->fp_lmv_md;
+ DIR *tmp_parent = parent;
+ char raw[MAX_IOC_BUFLEN] = {'\0'};
+ char *rawbuf = raw;
+ struct obd_ioctl_data data = { 0 };
+ int fd;
+ int ret;
+ char *path_copy;
+ char *filename;
+ bool retry = false;
if (parent == NULL && dirp == NULL)
return -EINVAL;
+ if (!lmu)
+ return -EINVAL;
+
if (dirp != NULL)
closedir(*dirp);
path_copy = strdup(path);
filename = basename(path_copy);
+
data.ioc_inlbuf1 = (char *)filename;
data.ioc_inllen1 = strlen(filename) + 1;
- data.ioc_inlbuf2 = (char *)¶m->fp_mdt_index;
- data.ioc_inllen2 = sizeof(param->fp_mdt_index);
- ret = obd_ioctl_pack(&data, &rawbuf, sizeof(raw));
+ data.ioc_inlbuf2 = (char *)lmu;
+ data.ioc_inllen2 = lmv_user_md_size(lmu->lum_stripe_count,
+ lmu->lum_magic);
+ ret = llapi_ioctl_pack(&data, &rawbuf, sizeof(raw));
if (ret != 0) {
llapi_error(LLAPI_MSG_ERROR, ret,
- "llapi_obd_statfs: error packing ioctl data");
+ "%s: error packing ioctl data", __func__);
goto out;
}
ret = ioctl(fd, LL_IOC_MIGRATE, rawbuf);
if (ret != 0) {
if (errno == EBUSY && !retry) {
- /* because migrate may not be able to lock all involved
+ /*
+ * because migrate may not be able to lock all involved
* objects in order, for some of them it try lock, while
* there may be conflicting COS locks and cause migrate
* fail with EBUSY, hope a sync() could cause
- * transaction commit and release these COS locks. */
+ * transaction commit and release these COS locks.
+ */
sync();
retry = true;
goto migrate;
+ } else if (errno == EALREADY) {
+ if (param->fp_verbose & VERBOSE_DETAIL)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s migrated to MDT%d already\n",
+ path, lmu->lum_stripe_offset);
+ ret = 0;
+ } else {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret, "%s migrate failed",
+ path);
+ goto out;
}
- ret = -errno;
- fprintf(stderr, "%s migrate failed: %s (%d)\n",
- path, strerror(-ret), ret);
- goto out;
} else if (param->fp_verbose & VERBOSE_DETAIL) {
- fprintf(stdout, "migrate %s to MDT%d\n",
- path, param->fp_mdt_index);
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "migrate %s to MDT%d stripe count %d\n",
+ path, lmu->lum_stripe_offset,
+ lmu->lum_stripe_count);
}
out:
if (dirp != NULL) {
- /* If the directory is being migration, we need
+ /*
+ * If the directory is being migration, we need
* close the directory after migration,
* so the old directory cache will be cleanup
* on the client side, and re-open to get the
- * new directory handle */
+ * new directory handle
+ */
*dirp = opendir(path);
if (*dirp == NULL) {
ret = -errno;
return ret;
}
+/* dir migration finished, shrink its stripes */
+static int cb_migrate_mdt_fini(char *path, DIR *parent, DIR **dirp, void *data,
+ struct dirent64 *de)
+{
+ struct find_param *param = data;
+ struct lmv_user_md *lmu = param->fp_lmv_md;
+ int lmulen = lmv_user_md_size(lmu->lum_stripe_count, lmu->lum_magic);
+ int ret = 0;
+
+ if (de && de->d_type != DT_DIR)
+ goto out;
+
+ if (*dirp) {
+ /*
+ * close it before setxattr because the latter may destroy the
+ * original object, and cause close fail.
+ */
+ ret = closedir(*dirp);
+ *dirp = NULL;
+ if (ret)
+ goto out;
+ }
+
+ ret = setxattr(path, XATTR_NAME_LMV, lmu, lmulen, 0);
+ if (ret == -EALREADY)
+ ret = 0;
+out:
+ cb_common_fini(path, parent, dirp, data, de);
+ return ret;
+}
+
int llapi_migrate_mdt(char *path, struct find_param *param)
{
- return param_callback(path, cb_migrate_mdt_init, cb_common_fini, param);
+ return param_callback(path, cb_migrate_mdt_init, cb_migrate_mdt_fini,
+ param);
}
int llapi_mv(char *path, struct find_param *param)
if (!printed) {
llapi_error(LLAPI_MSG_ERROR, -ESTALE,
- "llapi_mv() is deprecated, use llapi_migrate_mdt()\n");
+ "%s() is deprecated, use llapi_migrate_mdt() instead",
+ __func__);
printed = true;
}
#endif
int llapi_find(char *path, struct find_param *param)
{
- return param_callback(path, cb_find_init, cb_common_fini, param);
+ return param_callback(path, cb_find_init, cb_common_fini, param);
}
/*
*/
int llapi_file_fget_mdtidx(int fd, int *mdtidx)
{
- if (ioctl(fd, LL_IOC_GET_MDTIDX, mdtidx) < 0)
- return -errno;
- return 0;
+ if (ioctl(fd, LL_IOC_GET_MDTIDX, mdtidx) < 0)
+ return -errno;
+ return 0;
}
static int cb_get_mdt_index(char *path, DIR *parent, DIR **dirp, void *data,
static int cb_getstripe(char *path, DIR *parent, DIR **dirp, void *data,
struct dirent64 *de)
{
- struct find_param *param = (struct find_param *)data;
+ struct find_param *param = (struct find_param *)data;
DIR *d = dirp == NULL ? NULL : *dirp;
- int ret = 0;
+ int ret = 0;
if (parent == NULL && d == NULL)
return -EINVAL;
return ret;
}
- if (d) {
- if (param->fp_get_lmv || param->fp_get_default_lmv) {
- ret = cb_get_dirstripe(path, d, param);
- } else {
- ret = ioctl(dirfd(d), LL_IOC_LOV_GETSTRIPE,
- (void *)¶m->fp_lmd->lmd_lmm);
- }
-
- } else if (parent && !param->fp_get_lmv && !param->fp_get_default_lmv) {
- char *fname = strrchr(path, '/');
- fname = (fname == NULL ? path : fname + 1);
-
- strlcpy((char *)¶m->fp_lmd->lmd_lmm, fname,
- param->fp_lum_size);
-
- ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
- (void *)¶m->fp_lmd->lmd_lmm);
- } else {
+ if (d && (param->fp_get_lmv || param->fp_get_default_lmv))
+ ret = cb_get_dirstripe(path, d, param);
+ else if (d ||
+ (parent && !param->fp_get_lmv && !param->fp_get_default_lmv))
+ ret = get_lmd_info(path, parent, d, ¶m->fp_lmd->lmd_lmm,
+ param->fp_lum_size, GET_LMD_STRIPE);
+ else
return 0;
- }
- if (ret) {
- if (errno == ENODATA && d != NULL) {
- /* We need to "fake" the "use the default" values
+ if (ret) {
+ if (errno == ENODATA && d != NULL) {
+ /*
+ * We need to "fake" the "use the default" values
* since the lmm struct is zeroed out at this point.
* The magic needs to be set in order to satisfy
* a check later on in the code path.
* The object_seq needs to be set for the "(Default)"
- * prefix to be displayed. */
+ * prefix to be displayed.
+ */
if (param->fp_get_default_lmv) {
struct lmv_user_md *lum = param->fp_lmv_md;
lum->lum_magic = LMV_USER_MAGIC;
lum->lum_stripe_count = 0;
- lum->lum_stripe_offset = -1;
+ lum->lum_stripe_offset = LMV_OFFSET_DEFAULT;
goto dump;
} else if (param->fp_get_lmv) {
struct lmv_user_md *lum = param->fp_lmv_md;
lmm->lmm_stripe_offset = -1;
goto dump;
}
- } else if (errno == ENODATA && parent != NULL) {
+ } else if (errno == ENODATA && parent != NULL) {
if (!param->fp_obd_uuid && !param->fp_mdt_uuid)
- llapi_printf(LLAPI_MSG_NORMAL,
- "%s has no stripe info\n", path);
- goto out;
- } else if (errno == ENOENT) {
- llapi_error(LLAPI_MSG_WARN, -ENOENT,
- "warning: %s: %s does not exist",
- __func__, path);
- goto out;
- } else if (errno == ENOTTY) {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "%s: '%s' not on a Lustre fs?",
- __func__, path);
- } else {
- ret = -errno;
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s has no stripe info\n", path);
+ goto out;
+ } else if (errno == ENOENT) {
+ llapi_error(LLAPI_MSG_WARN, -ENOENT,
+ "warning: %s: %s does not exist",
+ __func__, path);
+ goto out;
+ } else if (errno == ENOTTY) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: '%s' not on a Lustre fs?",
+ __func__, path);
+ } else {
+ ret = -errno;
err_out:
llapi_error(LLAPI_MSG_ERROR, ret,
"error: %s: %s failed for %s",
"IOC_MDC_GETFILESTRIPE", path);
}
- return ret;
- }
+ return ret;
+ }
dump:
if (!(param->fp_verbose & VERBOSE_MDTINDEX))
int llapi_getstripe(char *path, struct find_param *param)
{
return param_callback(path, (param->fp_verbose & VERBOSE_MDTINDEX) ?
- cb_get_mdt_index : cb_getstripe,
- cb_common_fini, param);
+ cb_get_mdt_index : cb_getstripe,
+ cb_common_fini, param);
}
int llapi_obd_fstatfs(int fd, __u32 type, __u32 index,
struct obd_statfs *stat_buf, struct obd_uuid *uuid_buf)
{
char raw[MAX_IOC_BUFLEN] = {'\0'};
- char *rawbuf = raw;
- struct obd_ioctl_data data = { 0 };
- int rc = 0;
-
- data.ioc_inlbuf1 = (char *)&type;
- data.ioc_inllen1 = sizeof(__u32);
- data.ioc_inlbuf2 = (char *)&index;
- data.ioc_inllen2 = sizeof(__u32);
- data.ioc_pbuf1 = (char *)stat_buf;
- data.ioc_plen1 = sizeof(struct obd_statfs);
- data.ioc_pbuf2 = (char *)uuid_buf;
- data.ioc_plen2 = sizeof(struct obd_uuid);
-
- rc = obd_ioctl_pack(&data, &rawbuf, sizeof(raw));
- if (rc != 0) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "llapi_obd_statfs: error packing ioctl data");
- return rc;
- }
+ char *rawbuf = raw;
+ struct obd_ioctl_data data = { 0 };
+ int rc = 0;
+
+ data.ioc_inlbuf1 = (char *)&type;
+ data.ioc_inllen1 = sizeof(__u32);
+ data.ioc_inlbuf2 = (char *)&index;
+ data.ioc_inllen2 = sizeof(__u32);
+ data.ioc_pbuf1 = (char *)stat_buf;
+ data.ioc_plen1 = sizeof(struct obd_statfs);
+ data.ioc_pbuf2 = (char *)uuid_buf;
+ data.ioc_plen2 = sizeof(struct obd_uuid);
+
+ rc = llapi_ioctl_pack(&data, &rawbuf, sizeof(raw));
+ if (rc != 0) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "%s: error packing ioctl data", __func__);
+ return rc;
+ }
rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc, "error: %s: opening '%s'",
__func__, path);
- /* If we can't even open a file on the filesystem (e.g. with
- * -ESHUTDOWN), force caller to exit or it will loop forever. */
+ /*
+ * If we can't even open a file on the filesystem (e.g. with
+ * -ESHUTDOWN), force caller to exit or it will loop forever.
+ */
return -ENODEV;
}
int llapi_ping(char *obd_type, char *obd_name)
{
+ int flags = O_RDONLY;
+ char buf[1] = { 0 };
glob_t path;
- char buf[1];
int rc, fd;
rc = cfs_get_param_paths(&path, "%s/%s/ping",
obd_type, obd_name);
if (rc != 0)
return -errno;
-
- fd = open(path.gl_pathv[0], O_WRONLY);
+retry_open:
+ fd = open(path.gl_pathv[0], flags);
if (fd < 0) {
+ if (errno == EACCES && flags == O_RDONLY) {
+ flags = O_WRONLY;
+ goto retry_open;
+ }
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s",
path.gl_pathv[0]);
goto failed;
}
- /* The purpose is to send a byte as a ping, whatever this byte is. */
- /* coverity[uninit_use_in_call] */
- rc = write(fd, buf, 1);
+ if (flags == O_RDONLY)
+ rc = read(fd, buf, sizeof(buf));
+ else
+ rc = write(fd, buf, sizeof(buf));
if (rc < 0)
rc = -errno;
close(fd);
}
int llapi_target_iterate(int type_num, char **obd_type,
- void *args, llapi_cb_t cb)
+ void *args, llapi_cb_t cb)
{
- char buf[MAX_STRING_SIZE];
int i, rc = 0;
glob_t param;
FILE *fp;
- rc = cfs_get_param_paths(¶m, "devices");
- if (rc != 0)
- return -ENOENT;
+ for (i = 0; i < type_num; i++) {
+ int j;
- fp = fopen(param.gl_pathv[0], "r");
- if (fp == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'",
- param.gl_pathv[0]);
- goto free_path;
- }
+ rc = cfs_get_param_paths(¶m, "%s/*/uuid", obd_type[i]);
+ if (rc != 0)
+ continue;
+
+ for (j = 0; j < param.gl_pathc; j++) {
+ char obd_uuid[UUID_MAX + 1];
+ char *obd_name;
+ char *ptr;
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- char *obd_type_name = NULL;
- char *obd_name = NULL;
- char *obd_uuid = NULL;
- char *bufp = buf;
- struct obd_statfs osfs_buffer;
+ fp = fopen(param.gl_pathv[j], "r");
+ if (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: opening '%s'",
+ param.gl_pathv[j]);
+ goto free_path;
+ }
- while(bufp[0] == ' ')
- ++bufp;
+ if (fgets(obd_uuid, sizeof(obd_uuid), fp) == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: reading '%s'",
+ param.gl_pathv[j]);
+ goto free_path;
+ }
- for(i = 0; i < 3; i++) {
- obd_type_name = strsep(&bufp, " ");
- }
- obd_name = strsep(&bufp, " ");
- obd_uuid = strsep(&bufp, " ");
+ /* Extract the obd_name from the sysfs path.
+ * 'topsysfs'/fs/lustre/'obd_type'/'obd_name'.
+ */
+ obd_name = strstr(param.gl_pathv[j], "/fs/lustre/");
+ if (!obd_name) {
+ rc = -EINVAL;
+ goto free_path;
+ }
- memset(&osfs_buffer, 0, sizeof (osfs_buffer));
+ /* skip /fs/lustre/'obd_type'/ */
+ obd_name += strlen(obd_type[i]) + 12;
+ /* chop off after obd_name */
+ ptr = strrchr(obd_name, '/');
+ if (ptr)
+ *ptr = '\0';
- for (i = 0; i < type_num; i++) {
- if (strcmp(obd_type_name, obd_type[i]) != 0)
- continue;
+ cb(obd_type[i], obd_name, obd_uuid, args);
- cb(obd_type_name, obd_name, obd_uuid, args);
- }
+ fclose(fp);
+ fp = NULL;
+ }
}
- fclose(fp);
free_path:
+ if (fp)
+ fclose(fp);
cfs_free_param_data(¶m);
- return 0;
+ return rc;
}
static void do_target_check(char *obd_type_name, char *obd_name,
- char *obd_uuid, void *args)
+ char *obd_uuid, void *args)
{
- int rc;
+ int rc;
- rc = llapi_ping(obd_type_name, obd_name);
- if (rc == ENOTCONN) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s inactive.\n", obd_name);
- } else if (rc) {
- llapi_error(LLAPI_MSG_ERROR, rc, "error: check '%s'", obd_name);
- } else {
- llapi_printf(LLAPI_MSG_NORMAL, "%s active.\n", obd_name);
- }
+ rc = llapi_ping(obd_type_name, obd_name);
+ if (rc == ENOTCONN)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s inactive.\n", obd_name);
+ else if (rc)
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: check '%s'", obd_name);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "%s active.\n", obd_name);
}
int llapi_target_check(int type_num, char **obd_type, char *dir)
{
- return llapi_target_iterate(type_num, obd_type, NULL, do_target_check);
+ return llapi_target_iterate(type_num, obd_type, NULL, do_target_check);
}
#undef MAX_STRING_SIZE
/* Is this a lustre fs? */
int llapi_is_lustre_mnttype(const char *type)
{
- return (strcmp(type, "lustre") == 0 || strcmp(type,"lustre_lite") == 0);
+ return strcmp(type, "lustre") == 0 || strcmp(type, "lustre_tgt") == 0;
}
/* Is this a lustre client fs? */
int llapi_is_lustre_mnt(struct mntent *mnt)
{
- return (llapi_is_lustre_mnttype(mnt->mnt_type) &&
- strstr(mnt->mnt_fsname, ":/") != NULL);
+ return (llapi_is_lustre_mnttype(mnt->mnt_type) &&
+ strstr(mnt->mnt_fsname, ":/") != NULL);
}
int llapi_quotactl(char *mnt, struct if_quotactl *qctl)
int rc;
rc = llapi_search_fsname(mnt, fsname);
- if (rc) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "'%s' isn't on Lustre filesystem", mnt);
+ if (rc)
return rc;
- }
root = open(mnt, O_RDONLY | O_DIRECTORY);
if (root < 0) {
rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ llapi_error(LLAPI_MSG_ERROR, rc, "cannot open '%s'", mnt);
return rc;
}
return rc;
}
-/* Print mdtname 'name' into 'buf' using 'format'. Add -MDT0000 if needed.
- * format must have %s%s, buf must be > 16
- * Eg: if name = "lustre-MDT0000", "lustre", or "lustre-MDT0000_UUID"
- * then buf = "lustre-MDT0000"
- */
-static int get_mdtname(char *name, char *format, char *buf)
-{
- char suffix[]="-MDT0000";
- int len = strlen(name);
-
- if ((len > 5) && (strncmp(name + len - 5, "_UUID", 5) == 0)) {
- name[len - 5] = '\0';
- len -= 5;
- }
-
- if (len > 8) {
- if ((len <= 16) && strncmp(name + len - 8, "-MDT", 4) == 0) {
- suffix[0] = '\0';
- } else {
- /* Not enough room to add suffix */
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "Invalid MDT name |%s|", name);
- return -EINVAL;
- }
- }
-
- return sprintf(buf, format, name, suffix);
-}
-
-/** ioctl on filsystem root, with mdtindex sent as data
- * \param mdtname path, fsname, or mdtname (lutre-MDT0004)
- * \param mdtidxp pointer to integer within data to be filled in with the
- * mdt index (0 if no mdt is specified). NULL won't be filled.
- */
-int root_ioctl(const char *mdtname, int opc, void *data, int *mdtidxp,
- int want_error)
-{
- char fsname[20];
- char *ptr;
- int fd, rc;
- long index;
-
- /* Take path, fsname, or MDTname. Assume MDT0000 in the former cases.
- Open root and parse mdt index. */
- if (mdtname[0] == '/') {
- index = 0;
- rc = get_root_path(WANT_FD | want_error, NULL, &fd,
- (char *)mdtname, -1);
- } else {
- if (get_mdtname((char *)mdtname, "%s%s", fsname) < 0)
- return -EINVAL;
- ptr = fsname + strlen(fsname) - 8;
- *ptr = '\0';
- index = strtol(ptr + 4, NULL, 16);
- rc = get_root_path(WANT_FD | want_error, fsname, &fd, NULL, -1);
- }
- if (rc < 0) {
- if (want_error)
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "Can't open %s: %d\n", mdtname, rc);
- return rc;
- }
-
- if (mdtidxp)
- *mdtidxp = index;
-
- rc = ioctl(fd, opc, data);
- if (rc == -1)
- rc = -errno;
- else
- rc = 0;
- close(fd);
- return rc;
-}
-
-int llapi_fid2path(const char *device, const char *fidstr, char *buf,
- int buflen, long long *recno, int *linkno)
-{
- const char *fidstr_orig = fidstr;
- struct lu_fid fid;
- struct getinfo_fid2path *gf;
- char *a;
- char *b;
- int rc;
-
- while (*fidstr == '[')
- fidstr++;
-
- sscanf(fidstr, SFID, RFID(&fid));
- if (!fid_is_sane(&fid)) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "bad FID format '%s', should be [seq:oid:ver]"
- " (e.g. "DFID")\n", fidstr_orig,
- (unsigned long long)FID_SEQ_NORMAL, 2, 0);
- return -EINVAL;
- }
-
- gf = malloc(sizeof(*gf) + buflen);
- if (gf == NULL)
- return -ENOMEM;
-
- gf->gf_fid = fid;
- gf->gf_recno = *recno;
- gf->gf_linkno = *linkno;
- gf->gf_pathlen = buflen;
-
- /* Take path or fsname */
- rc = root_ioctl(device, OBD_IOC_FID2PATH, gf, NULL, 0);
- if (rc)
- goto out_free;
-
- b = buf;
- /* strip out instances of // */
- for (a = gf->gf_u.gf_path; *a != '\0'; a++) {
- if ((*a == '/') && (*(a + 1) == '/'))
- continue;
- *b = *a;
- b++;
- }
- *b = '\0';
-
- if (buf[0] == '\0') { /* ROOT path */
- buf[0] = '/';
- buf[1] = '\0';
- }
-
- *recno = gf->gf_recno;
- *linkno = gf->gf_linkno;
-
-out_free:
- free(gf);
- return rc;
-}
-
-static int fid_from_lma(const char *path, int fd, lustre_fid *fid)
-{
- char buf[512];
- struct lustre_mdt_attrs *lma;
- int rc;
-
- if (path == NULL)
- rc = fgetxattr(fd, XATTR_NAME_LMA, buf, sizeof(buf));
- else
- rc = lgetxattr(path, XATTR_NAME_LMA, buf, sizeof(buf));
- if (rc < 0)
- return -errno;
- lma = (struct lustre_mdt_attrs *)buf;
- fid_le_to_cpu(fid, &lma->lma_self_fid);
- return 0;
-}
-
-int llapi_get_mdt_index_by_fid(int fd, const lustre_fid *fid,
- int *mdt_index)
-{
- int rc;
-
- rc = ioctl(fd, LL_IOC_FID2MDTIDX, fid);
- if (rc < 0)
- return -errno;
-
- *mdt_index = rc;
-
- return rc;
-}
-
-int llapi_fd2fid(int fd, lustre_fid *fid)
-{
- int rc;
-
- memset(fid, 0, sizeof(*fid));
-
- rc = ioctl(fd, LL_IOC_PATH2FID, fid) < 0 ? -errno : 0;
- if (rc == -EINVAL || rc == -ENOTTY)
- rc = fid_from_lma(NULL, fd, fid);
-
- return rc;
-}
-
-int llapi_path2fid(const char *path, lustre_fid *fid)
-{
- int fd, rc;
-
- memset(fid, 0, sizeof(*fid));
- fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
- if (fd < 0) {
- if (errno == ELOOP || errno == ENXIO)
- return fid_from_lma(path, -1, fid);
- return -errno;
- }
-
- rc = llapi_fd2fid(fd, fid);
- if (rc == -EINVAL || rc == -ENOTTY)
- rc = fid_from_lma(path, -1, fid);
-
- close(fd);
- return rc;
-}
-
-int llapi_fd2parent(int fd, unsigned int linkno, lustre_fid *parent_fid,
- char *name, size_t name_size)
-{
- struct getparent *gp;
- int rc;
-
- gp = malloc(sizeof(*gp) + name_size);
- if (gp == NULL)
- return -ENOMEM;
-
- gp->gp_linkno = linkno;
- gp->gp_name_size = name_size;
-
- rc = ioctl(fd, LL_IOC_GETPARENT, gp);
- if (rc < 0) {
- rc = -errno;
- goto err_free;
- }
-
- *parent_fid = gp->gp_fid;
-
- strncpy(name, gp->gp_name, name_size);
- name[name_size - 1] = '\0';
-
-err_free:
- free(gp);
- return rc;
-}
-
-int llapi_path2parent(const char *path, unsigned int linkno,
- lustre_fid *parent_fid, char *name, size_t name_size)
-{
- int fd;
- int rc;
-
- fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
- if (fd < 0)
- return -errno;
-
- rc = llapi_fd2parent(fd, linkno, parent_fid, name, name_size);
- close(fd);
- return rc;
-}
-
int llapi_get_connect_flags(const char *mnt, __u64 *flags)
{
int root;
*/
int llapi_get_data_version(int fd, __u64 *data_version, __u64 flags)
{
- int rc;
- struct ioc_data_version idv;
+ int rc;
+ struct ioc_data_version idv;
+
+ idv.idv_flags = (__u32)flags;
+
+ rc = ioctl(fd, LL_IOC_DATA_VERSION, &idv);
+ if (rc)
+ rc = -errno;
+ else
+ *data_version = idv.idv_version;
- idv.idv_flags = flags;
+ return rc;
+}
- rc = ioctl(fd, LL_IOC_DATA_VERSION, &idv);
- if (rc)
- rc = -errno;
- else
- *data_version = idv.idv_version;
+/**
+ * Flush cached pages from all clients.
+ *
+ * \param fd File descriptor
+ * \retval 0 success
+ * \retval < 0 error
+ */
+int llapi_file_flush(int fd)
+{
+ __u64 dv;
- return rc;
+ return llapi_get_data_version(fd, &dv, LL_DV_WR_FLUSH);
}
/*
- * Create a file without any name open it for read/write
+ * Fetch layout version from OST objects. Layout version on OST objects are
+ * only set when the file is a mirrored file AND after the file has been
+ * written at least once.
+ *
+ * It actually fetches the least layout version from the objects.
+ */
+int llapi_get_ost_layout_version(int fd, __u32 *layout_version)
+{
+ int rc;
+ struct ioc_data_version idv = { 0 };
+
+ rc = ioctl(fd, LL_IOC_DATA_VERSION, &idv);
+ if (rc)
+ rc = -errno;
+ else
+ *layout_version = idv.idv_layout_version;
+
+ return rc;
+}
+
+/*
+ * Create a file without any name and open it for read/write
*
* - file is created as if it were a standard file in the given \a directory
* - file does not appear in \a directory and mtime does not change because
* the filename is handled specially by the Lustre MDS.
- * - file is removed at final close
- * - file modes are rw------- since it doesn't make sense to have a read-only
- * or write-only file that cannot be opened again.
- * - if user wants another mode it must use fchmod() on the open file, no
- * security problems arise because it cannot be opened by another process.
+ * - file is destroyed at final close
*
* \param[in] directory directory from which to inherit layout/MDT idx
- * \param[in] idx MDT index on which the file is created,
+ * \param[in] mdt_idx MDT index on which the file is created,
* \a idx == -1 means no specific MDT is requested
- * \param[in] open_flags standard open(2) flags
+ * \param[in] mode standard open(2) mode
+ * \param[in] stripe_param stripe parameters. May be NULL.
*
- * \retval 0 on success.
+ * \retval a file descriptor on success.
* \retval -errno on error.
*/
-int llapi_create_volatile_idx(char *directory, int idx, int open_flags)
+int llapi_create_volatile_param(const char *directory, int mdt_idx,
+ int open_flags, mode_t mode,
+ const struct llapi_stripe_param *stripe_param)
{
- char file_path[PATH_MAX];
- char filename[PATH_MAX];
- int saved_errno = errno;
- int fd;
- int rnumber;
- int rc;
+ char file_path[PATH_MAX];
+ int saved_errno = errno;
+ int fd;
+ unsigned int rnumber;
+ int rc;
do {
rnumber = random();
- if (idx == -1)
- snprintf(filename, sizeof(filename),
- LUSTRE_VOLATILE_HDR"::%.4X", rnumber);
+ if (mdt_idx == -1)
+ rc = snprintf(file_path, sizeof(file_path),
+ "%s/" LUSTRE_VOLATILE_HDR "::%.4X",
+ directory, rnumber);
else
- snprintf(filename, sizeof(filename),
- LUSTRE_VOLATILE_HDR":%.4X:%.4X", idx, rnumber);
+ rc = snprintf(file_path, sizeof(file_path),
+ "%s/" LUSTRE_VOLATILE_HDR ":%.4X:%.4X",
+ directory, mdt_idx, rnumber);
+
+ if (rc < 0 || rc >= sizeof(file_path))
+ return -ENAMETOOLONG;
+
+ /*
+ * Either open O_WRONLY or O_RDWR, creating RDONLY
+ * is non-sensical here
+ */
+ if ((open_flags & O_ACCMODE) == O_RDONLY)
+ open_flags = O_RDWR | (open_flags & ~O_ACCMODE);
- rc = snprintf(file_path, sizeof(file_path),
- "%s/%s", directory, filename);
- if (rc >= sizeof(file_path))
- return -E2BIG;
+ open_flags |= O_CREAT | O_EXCL | O_NOFOLLOW;
- fd = open(file_path,
- O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW | open_flags,
- S_IRUSR | S_IWUSR);
- } while (fd < 0 && errno == EEXIST);
+ if (stripe_param != NULL) {
+ fd = llapi_file_open_param(file_path, open_flags,
+ mode, stripe_param);
+ if (fd < 0)
+ rc = fd;
+ } else {
+ fd = open(file_path, open_flags, mode);
+ if (fd < 0)
+ rc = -errno;
+ }
+ } while (fd < 0 && rc == -EEXIST);
if (fd < 0) {
- llapi_error(LLAPI_MSG_ERROR, errno,
+ llapi_error(LLAPI_MSG_ERROR, rc,
"Cannot create volatile file '%s' in '%s'",
- filename + LUSTRE_VOLATILE_HDR_LEN,
+ file_path + strlen(directory) + 1 +
+ LUSTRE_VOLATILE_HDR_LEN,
directory);
- return -errno;
+ return rc;
}
- /* Unlink file in case this wasn't a Lustre filesystem and the
- * magic volatile filename wasn't handled as intended. The
- * effect is the same. If volatile open was supported then we
- * expect unlink() to return -ENOENT. */
+ /*
+ * Unlink file in case this wasn't a Lustre filesystem and the magic
+ * volatile filename wasn't handled as intended. The effect is the
+ * same. If volatile open was supported then we expect unlink() to
+ * return -ENOENT.
+ */
(void)unlink(file_path);
- /* Since we are returning successfully we restore errno (and
- * mask out possible EEXIST from open() and ENOENT from
- * unlink(). */
+ /*
+ * Since we are returning successfully we restore errno (and
+ * mask out possible EEXIST from open() and ENOENT from unlink().
+ */
errno = saved_errno;
return fd;
}
+/*
+ * Create a file without any name open it for read/write
+ *
+ * - file is created as if it were a standard file in the given \a directory
+ * - file does not appear in \a directory and mtime does not change because
+ * the filename is handled specially by the Lustre MDS.
+ * - file is removed at final close
+ * - file modes are rw------- since it doesn't make sense to have a read-only
+ * or write-only file that cannot be opened again.
+ * - if user wants another mode it must use fchmod() on the open file, no
+ * security problems arise because it cannot be opened by another process.
+ *
+ * \param[in] directory directory from which to inherit layout/MDT idx
+ * \param[in] idx MDT index on which the file is created,
+ * \a idx == -1 means no specific MDT is requested
+ * \param[in] open_flags standard open(2) flags
+ *
+ * \retval a file descriptor on success.
+ * \retval -errno on error.
+ */
+int llapi_create_volatile_idx(const char *directory, int mdt_idx,
+ int open_flags)
+{
+ return llapi_create_volatile_param(directory, mdt_idx, open_flags,
+ S_IRUSR | S_IWUSR, NULL);
+}
+
/**
* Swap the layouts between 2 file descriptors
* the 2 files must be open for writing
}
/**
- * Attempt to open a file with Lustre file identifier \a fid
- * and return an open file descriptor.
- *
- * \param[in] lustre_dir path within Lustre filesystem containing \a fid
- * \param[in] fid Lustre file identifier of file to open
- * \param[in] flags open() flags
- *
- * \retval non-negative file descriptor on successful open
- * \retval -1 if an error occurred
- */
-int llapi_open_by_fid(const char *lustre_dir, const lustre_fid *fid, int flags)
-{
- char mntdir[PATH_MAX];
- char path[PATH_MAX];
- int rc;
-
- rc = llapi_search_mounts(lustre_dir, 0, mntdir, NULL);
- if (rc != 0)
- return -1;
-
- snprintf(path, sizeof(path), "%s/.lustre/fid/"DFID, mntdir, PFID(fid));
- return open(path, flags);
-}
-
-/**
* Take group lock.
*
* \param fd File to lock.
git://git.whamcloud.com / fs / lustre-release.git / blobdiff