* 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/
#define _GNU_SOURCE
#endif
+#include <ctype.h>
#include <mntent.h>
#include <stdlib.h>
#include <stdio.h>
#endif
#include <poll.h>
+#include <libcfs/util/ioctl.h>
#include <libcfs/util/param.h>
#include <libcfs/util/string.h>
-#include <lnet/lnetctl.h>
+#include <linux/lnet/lnetctl.h>
#include <lustre/lustreapi.h>
-#include <lustre/lustre_ostid.h>
-#include <lustre_ioctl.h>
+#include <linux/lustre/lustre_ostid.h>
+#include <linux/lustre/lustre_ioctl.h>
#include "lustreapi_internal.h"
static int llapi_msg_level = LLAPI_MSG_MAX;
+const char *liblustreapi_cmd;
char *mdt_hash_name[] = { "none",
LMV_HASH_NAME_ALL_CHARS,
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)
{
+ if (liblustreapi_cmd != NULL)
+ fprintf(stderr, "%s %s: ", program_invocation_short_name,
+ liblustreapi_cmd);
+ else
+ fprintf(stderr, "%s: ", program_invocation_short_name);
vfprintf(stderr, fmt, ap);
if (level & LLAPI_MSG_NO_ERRNO)
fprintf(stderr, "\n");
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 llapi_ioctl_pack(struct obd_ioctl_data *data, char **pbuf, int max_len)
+{
+ struct obd_ioctl_data *overlay;
+ char *ptr;
+
+ data->ioc_len = obd_ioctl_packlen(data);
+ 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);
+ return -EINVAL;
+ }
+
+ if (*pbuf == NULL)
+ *pbuf = malloc(data->ioc_len);
+
+ if (*pbuf == NULL)
+ return -ENOMEM;
+
+ overlay = (struct obd_ioctl_data *)*pbuf;
+ memcpy(*pbuf, data, sizeof(*data));
+
+ ptr = overlay->ioc_bulk;
+ if (data->ioc_inlbuf1) {
+ memcpy(ptr, data->ioc_inlbuf1, data->ioc_inllen1);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen1, 8);
+ }
+
+ if (data->ioc_inlbuf2) {
+ memcpy(ptr, data->ioc_inlbuf2, data->ioc_inllen2);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen2, 8);
+ }
+
+ if (data->ioc_inlbuf3) {
+ memcpy(ptr, data->ioc_inlbuf3, data->ioc_inllen3);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen3, 8);
+ }
+
+ if (data->ioc_inlbuf4) {
+ memcpy(ptr, data->ioc_inlbuf4, data->ioc_inllen4);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen4, 8);
+ }
+
+ return 0;
+}
+
+int llapi_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf, int max_len)
+{
+ struct obd_ioctl_data *overlay;
+ char *ptr;
+
+ if (pbuf == NULL)
+ return 1;
+
+ overlay = (struct obd_ioctl_data *)pbuf;
+
+ /* Preserve the caller's buffer pointers */
+ overlay->ioc_inlbuf1 = data->ioc_inlbuf1;
+ overlay->ioc_inlbuf2 = data->ioc_inlbuf2;
+ overlay->ioc_inlbuf3 = data->ioc_inlbuf3;
+ overlay->ioc_inlbuf4 = data->ioc_inlbuf4;
+
+ memcpy(data, pbuf, sizeof(*data));
+
+ ptr = overlay->ioc_bulk;
+ if (data->ioc_inlbuf1) {
+ memcpy(data->ioc_inlbuf1, ptr, data->ioc_inllen1);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen1, 8);
+ }
+
+ if (data->ioc_inlbuf2) {
+ memcpy(data->ioc_inlbuf2, ptr, data->ioc_inllen2);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen2, 8);
+ }
+
+ if (data->ioc_inlbuf3) {
+ memcpy(data->ioc_inlbuf3, ptr, data->ioc_inllen3);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen3, 8);
+ }
+
+ if (data->ioc_inlbuf4) {
+ memcpy(data->ioc_inlbuf4, ptr, data->ioc_inllen4);
+ ptr += __ALIGN_KERNEL(data->ioc_inllen4, 8);
+ }
+
+ return 0;
+}
+
/* XXX: llapi_xxx() functions return negative values upon failure */
int llapi_stripe_limit_check(unsigned long long stripe_size, int stripe_offset,
return 0;
}
+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;
+}
+
/*
* Trim a trailing newline from a string, if it exists.
*/
}
/*
- * if pool is NULL, search ostname in target_obd
+ * if pool is NULL, search tgtname 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
+ * if tgtname is NULL, returns 1 if pool is not empty and 0 if pool empty
+ * if tgtname is not NULL, returns 1 if OST is in pool and 0 if not
*/
-int llapi_search_ost(char *fsname, char *poolname, char *ostname)
+int llapi_search_tgt(char *fsname, char *poolname, char *tgtname, bool is_mdt)
{
char buffer[PATH_MAX];
size_t len = 0;
if (poolname == NULL && fsname == NULL)
return -EINVAL;
- if (ostname != NULL)
- len = strlen(ostname);
+ if (tgtname != NULL)
+ len = strlen(tgtname);
if (poolname == NULL && len == 0)
return -EINVAL;
param.gl_pathv[0], poolname);
}
} else if (fsname != NULL) {
- rc = get_lustre_param_path("lov", fsname,
+ rc = get_lustre_param_path(is_mdt ? "lmv" : "lov", fsname,
FILTER_BY_FS_NAME,
"target_obd", ¶m);
if (rc == 0) {
if (rc)
return rc;
- fd = fopen(buffer, "r");
- if (fd == NULL)
- return -errno;
+ 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;
+ while (fgets(buffer, sizeof(buffer), fd) != NULL) {
+ if (poolname == NULL) {
+ char *ptr;
+ /* Search for an tgtname in the list of targets
+ * Line format is IDX: fsname-OST/MDTxxxx_UUID STATUS */
+ ptr = strchr(buffer, ' ');
+ if ((ptr != NULL) &&
+ (strncmp(ptr + 1, tgtname, len) == 0)) {
+ fclose(fd);
+ return 1;
+ }
+ } else {
+ /* Search for an tgtname in a pool,
+ * (or an existing non-empty pool if no tgtname) */
+ if ((tgtname == NULL) ||
+ (strncmp(buffer, tgtname, len) == 0)) {
+ fclose(fd);
+ return 1;
+ }
+ }
+ }
+ fclose(fd);
+ return 0;
+}
+
+int llapi_search_ost(char *fsname, char *poolname, char *ostname)
+{
+ return llapi_search_tgt(fsname, poolname, ostname, false);
}
/**
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;
}
- strncpy(lum.lum_pool_name, pool_name,
- sizeof(lum.lum_pool_name));
+
+ /* 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 + 1];
+ 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;
+ }
+ }
+
+ 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) {
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;
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 = sizeof(*lmu);
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;
+
+ rc = verify_dir_param(name, param);
+ if (rc)
+ return rc;
+
+ if (param->lsp_is_specific)
+ lmu_size = lmv_user_md_size(param->lsp_stripe_count,
+ LMV_USER_MAGIC_SPECIFIC);
+
+ lmu = calloc(1, lmu_size);
+ if (lmu == NULL)
+ return -ENOMEM;
dirpath = strdup(name);
- namepath = strdup(name);
- if (!dirpath || !namepath)
+ if (!dirpath) {
+ free(lmu);
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));
+ namepath = strdup(name);
+ if (!namepath) {
+ free(namepath);
+ 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'.",
}
close(fd);
out:
- free(dirpath);
free(namepath);
+ free(dirpath);
+ free(lmu);
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;
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 (fd < 0) {
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc,
- "error opening '%s'", mntdir);
+ "cannot open '%s': %s", mntdir,
+ strerror(-rc));
} 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;
}
path = realpath(pathname, NULL);
if (path == NULL) {
- char buf[PATH_MAX], *ptr;
+ 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
* 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;
- }
- 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;
-}
-
-int llapi_search_rootpath(char *pathname, const char *fsname)
-{
- return get_root_path(WANT_PATH, (char *)fsname, NULL, pathname, -1);
-}
+ char realpath[PATH_MAX - 1];
-int llapi_getname(const char *path, char *buf, size_t size)
+ 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 = get_root_path(WANT_FSNAME | WANT_ERROR, fsname, NULL, path, -1);
+ free(path);
+ return rc;
+}
+
+int llapi_search_rootpath(char *pathname, const char *fsname)
+{
+ 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;
/* 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;
char *fsname;
char *ptr;
DIR *dir;
- struct dirent pool;
- struct dirent *cookie = NULL;
+ struct dirent *pool;
int rc = 0;
unsigned int nb_entries = 0;
unsigned int used = 0;
goto free_path;
}
- while(1) {
- rc = readdir_r(dir, &pool, &cookie);
- if (rc != 0) {
+ do {
+ errno = 0;
+ pool = readdir(dir);
+ if (pool == NULL) {
rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Error reading pool list for '%s'", name);
- goto free_path;
- } else if ((rc == 0) && (cookie == NULL)) {
- /* end of directory */
- break;
+ goto free_dir;
}
/* ignore . and .. */
- if (!strcmp(pool.d_name, ".") || !strcmp(pool.d_name, ".."))
+ if (!strcmp(pool->d_name, ".") || !strcmp(pool->d_name, ".."))
continue;
/* check output bounds */
}
/* +2 for '.' and final '\0' */
- if (used + strlen(pool.d_name) + strlen(fsname) + 2
+ if (used + strlen(pool->d_name) + strlen(fsname) + 2
> buffer_size) {
rc = -EOVERFLOW;
goto free_dir;
}
- sprintf(buffer + used, "%s.%s", fsname, pool.d_name);
+ sprintf(buffer + used, "%s.%s", fsname, pool->d_name);
poollist[nb_entries] = buffer + used;
- used += strlen(pool.d_name) + strlen(fsname) + 2;
+ used += strlen(pool->d_name) + strlen(fsname) + 2;
nb_entries++;
- }
+ } while (1);
free_dir:
+ if (rc)
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Error reading pool list for '%s'", name);
closedir(dir);
free_path:
cfs_free_param_data(&pathname);
* a large filesystem. */
fname = (fname == NULL ? path : fname + 1);
/* retrieve needed file info */
- strlcpy((char *)lmd, fname, lumlen);
+ snprintf((char *)lmd, lumlen, "%s", fname);
ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
}
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) {
+ if (dent->d_type == DT_UNKNOWN) {
lstat_t *st = ¶m->fp_lmd->lmd_st;
rc = get_lmd_info(path, d, NULL, param->fp_lmd,
if (!buf)
return -ENOMEM;
- strlcpy(buf, path, PATH_MAX + 1);
+ snprintf(buf, PATH_MAX + 1, "%s", path);
ret = common_param_init(param, buf);
if (ret)
goto out;
* next time they are needed. Only a single filesystem's attributes are
* cached at a time.
*/
-static int sattr_cache_get_defaults(const char *const fsname,
- const char *const pathname,
- unsigned int *scount,
- unsigned int *ssize,
- unsigned int *soffset)
+int sattr_cache_get_defaults(const char *const fsname,
+ const char *const pathname, unsigned int *scount,
+ unsigned int *ssize, unsigned int *soffset)
{
static struct {
char fsname[PATH_MAX + 1];
if (rc)
return rc;
} else {
- strlcpy(fsname_buf, fsname, sizeof(fsname_buf));
+ snprintf(fsname_buf, sizeof(fsname_buf), "%s", fsname);
}
if (strncmp(fsname_buf, cache.fsname, sizeof(fsname_buf) - 1) != 0) {
cache.stripecount = tmp[0];
cache.stripesize = tmp[1];
cache.stripeoffset = tmp[2];
- strlcpy(cache.fsname, fsname_buf, sizeof(cache.fsname));
+ snprintf(cache.fsname, sizeof(cache.fsname), "%s", fsname_buf);
}
if (scount)
return 0;
}
+static char *layout2name(__u32 layout_pattern)
+{
+ 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_F_RELEASED))
+ return "released";
+ else
+ return "unknown";
+}
+
+enum lov_dump_flags {
+ LDF_IS_DIR = 0x0001,
+ LDF_IS_RAW = 0x0002,
+ LDF_INDENT = 0x0004,
+ LDF_SKIP_OBJS = 0x0008,
+ LDF_YAML = 0x0010,
+};
+
static void lov_dump_user_lmm_header(struct lov_user_md *lum, char *path,
struct lov_user_ost_data_v1 *objects,
- int is_dir, int verbose, int depth,
- int raw, char *pool_name)
+ int verbose, int depth, char *pool_name,
+ enum lov_dump_flags flags)
{
+ bool is_dir = flags & LDF_IS_DIR;
+ bool is_raw = flags & LDF_IS_RAW;
+ bool indent = flags & LDF_INDENT;
+ bool yaml = flags & LDF_YAML;
+ bool skip_objs = flags & LDF_SKIP_OBJS;
char *prefix = is_dir ? "" : "lmm_";
char *separator = "";
+ char *space = indent ? " " : "";
int rc;
if (is_dir && lmm_oi_seq(&lum->lmm_oi) == FID_SEQ_LOV_DEFAULT) {
lmm_oi_set_seq(&lum->lmm_oi, 0);
- if (verbose & VERBOSE_DETAIL)
- llapi_printf(LLAPI_MSG_NORMAL, "(Default) ");
+ if (!indent && (verbose & VERBOSE_DETAIL))
+ llapi_printf(LLAPI_MSG_NORMAL, "%s(Default) ", space);
}
- if (depth && path && ((verbose != VERBOSE_OBJID) || !is_dir))
+ if (!yaml && !indent && depth && path &&
+ ((verbose != VERBOSE_OBJID) || !is_dir))
llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
if ((verbose & VERBOSE_DETAIL) && !is_dir) {
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_magic: 0x%08X\n",
- lum->lmm_magic);
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_seq: %#jx\n",
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%smagic: 0x%08X\n",
+ space, prefix, lum->lmm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sseq: %#jx\n",
+ space, prefix,
(uintmax_t)lmm_oi_seq(&lum->lmm_oi));
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_id: %#jx\n",
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sobject_id: %#jx\n",
+ space, prefix,
(uintmax_t)lmm_oi_id(&lum->lmm_oi));
}
if ((verbose & (VERBOSE_DETAIL | VERBOSE_DFID)) && !is_dir) {
+ __u64 seq;
+ __u32 oid;
+ __u32 ver;
+
if (verbose & ~VERBOSE_DFID)
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_fid: ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%slmm_fid: ",
+ space);
/* 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
* separate lmm_oi_seq() and lmm_oi_id() routines for this.
*
* For newer layout types hopefully this will be a real FID. */
- llapi_printf(LLAPI_MSG_NORMAL, DFID"\n",
- lmm_oi_seq(&lum->lmm_oi) == 0 ?
- lmm_oi_id(&lum->lmm_oi) :
- lmm_oi_seq(&lum->lmm_oi),
- lmm_oi_seq(&lum->lmm_oi) == 0 ?
- 0 : (__u32)lmm_oi_id(&lum->lmm_oi),
- (__u32)(lmm_oi_id(&lum->lmm_oi) >> 32));
+ 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 ?
+ 0 : (__u32)lmm_oi_id(&lum->lmm_oi);
+ ver = (__u32)(lmm_oi_id(&lum->lmm_oi) >> 32);
+ if (yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, DFID_NOBRACE"\n",
+ seq, oid, ver);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, DFID"\n",
+ seq, oid, ver);
}
if (verbose & VERBOSE_COUNT) {
if (verbose & ~VERBOSE_COUNT)
- llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_count: ",
- prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sstripe_count: ",
+ space, prefix);
if (is_dir) {
- if (!raw && lum->lmm_stripe_count == 0) {
+ 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,
llapi_printf(LLAPI_MSG_NORMAL, "%hd",
(__s16)lum->lmm_stripe_count);
}
- separator = is_dir ? " " : "\n";
+ if (!yaml && is_dir)
+ separator = " ";
+ else
+ separator = "\n";
}
if (verbose & VERBOSE_SIZE) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_SIZE)
- llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_size: ",
- prefix);
- if (is_dir && !raw && lum->lmm_stripe_size == 0) {
+ 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);
llapi_printf(LLAPI_MSG_NORMAL, "%u",
lum->lmm_stripe_size);
}
- separator = is_dir ? " " : "\n";
+ if (!yaml && is_dir)
+ separator = " ";
+ else
+ separator = "\n";
}
- if ((verbose & VERBOSE_LAYOUT) && !is_dir) {
+ if ((verbose & VERBOSE_LAYOUT)) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_LAYOUT)
- llapi_printf(LLAPI_MSG_NORMAL, "%spattern: ",
- prefix);
- llapi_printf(LLAPI_MSG_NORMAL, "%.x", lum->lmm_pattern);
- separator = "\n";
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%spattern: ",
+ space, prefix);
+ 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", separator);
if (verbose & ~VERBOSE_GENERATION)
- llapi_printf(LLAPI_MSG_NORMAL, "%slayout_gen: ",
- prefix);
+ 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) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_OFFSET)
- llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_offset: ",
- prefix);
- if (is_dir)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sstripe_offset: ",
+ space, prefix);
+ if (is_dir || skip_objs)
llapi_printf(LLAPI_MSG_NORMAL, "%d",
lum->lmm_stripe_offset ==
(typeof(lum->lmm_stripe_offset))(-1) ? -1 :
else
llapi_printf(LLAPI_MSG_NORMAL, "%u",
objects[0].l_ost_idx);
- separator = is_dir ? " " : "\n";
+ if (!yaml && is_dir)
+ separator = " ";
+ else
+ separator = "\n";
}
- if ((verbose & VERBOSE_POOL) && (pool_name != NULL)) {
+ if ((verbose & VERBOSE_POOL) && pool_name && (pool_name[0] != '\0')) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_POOL)
- llapi_printf(LLAPI_MSG_NORMAL, "%spool: ",
- prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%spool: ",
+ space, prefix);
llapi_printf(LLAPI_MSG_NORMAL, "%s", pool_name);
+ if (!yaml && is_dir)
+ separator = " ";
+ else
+ separator = "\n";
}
- if (!is_dir || (is_dir && (verbose != VERBOSE_OBJID)))
+ if (strlen(separator) != 0)
llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
void lov_dump_user_lmm_v1v3(struct lov_user_md *lum, char *pool_name,
- struct lov_user_ost_data_v1 *objects,
- char *path, int is_dir, int obdindex,
- int depth, int header, int raw)
+ struct lov_user_ost_data_v1 *objects,
+ char *path, int obdindex, int depth,
+ int header, enum lov_dump_flags flags)
{
- int i, obdstripe = (obdindex != OBD_NOT_FOUND) ? 0 : 1;
+ bool is_dir = flags & LDF_IS_DIR;
+ bool indent = flags & LDF_INDENT;
+ bool skip_objs = flags & LDF_SKIP_OBJS;
+ bool yaml = flags & LDF_YAML;
+ bool obdstripe = obdindex == OBD_NOT_FOUND;
+ int i;
- if (!obdstripe) {
- for (i = 0; !is_dir && i < lum->lmm_stripe_count; i++) {
- if (obdindex == objects[i].l_ost_idx) {
- obdstripe = 1;
- break;
- }
- }
- }
+ if (!obdstripe && !skip_objs) {
+ for (i = 0; !is_dir && i < lum->lmm_stripe_count; i++) {
+ if (obdindex == objects[i].l_ost_idx) {
+ obdstripe = true;
+ break;
+ }
+ }
+ }
- if (obdstripe == 1)
- lov_dump_user_lmm_header(lum, path, objects, is_dir, header,
- depth, raw, pool_name);
+ if (!obdstripe)
+ return;
+
+ lov_dump_user_lmm_header(lum, path, objects, header, depth, pool_name,
+ flags);
- if (!is_dir && (header & VERBOSE_OBJID) &&
+ if (!is_dir && !skip_objs && (header & VERBOSE_OBJID) &&
!(lum->lmm_pattern & LOV_PATTERN_F_RELEASED)) {
- if (obdstripe == 1)
- llapi_printf(LLAPI_MSG_NORMAL,
- "\tobdidx\t\t objid\t\t objid\t\t group\n");
-
- for (i = 0; i < lum->lmm_stripe_count; i++) {
- int idx = objects[i].l_ost_idx;
- long long oid = ostid_id(&objects[i].l_ost_oi);
- long long gr = ostid_seq(&objects[i].l_ost_oi);
- if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx)) {
+ char *space = " - ";
+
+ if (indent)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%6slmm_objects:\n", " ");
+ else if (yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_objects:\n");
+ else
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\tobdidx\t\t objid\t\t objid\t\t group\n");
+
+ for (i = 0; i < lum->lmm_stripe_count; i++) {
+ int idx = objects[i].l_ost_idx;
+ long long oid = ostid_id(&objects[i].l_ost_oi);
+ long long gr = ostid_seq(&objects[i].l_ost_oi);
+
+ if (obdindex != OBD_NOT_FOUND && obdindex != idx)
+ continue;
+
+ if (yaml) {
+ struct lu_fid fid = { 0 };
+
+ ostid_to_fid(&fid, &objects[i].l_ost_oi, idx);
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%sl_ost_idx: %d\n", space, idx);
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%8sl_fid: "DFID_NOBRACE"\n",
+ " ", PFID(&fid));
+ } else if (indent) {
+ struct lu_fid fid = { 0 };
+
+ ostid_to_fid(&fid, &objects[i].l_ost_oi, idx);
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s%d: { l_ost_idx: %d, l_fid: "DFID" }\n",
+ space, i, idx, PFID(&fid));
+ } else {
char fmt[48];
sprintf(fmt, "%s%s%s\n",
"\t%6u\t%14llu\t%#13llx\t",
oid, 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, int 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)
llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_count: ");
llapi_printf(LLAPI_MSG_NORMAL, "%u",
(int)lum->lum_stripe_count);
- if (verbose & VERBOSE_OFFSET)
+ if ((verbose & VERBOSE_OFFSET) && !yaml)
separator = " ";
else
separator = "\n";
llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_offset: ");
llapi_printf(LLAPI_MSG_NORMAL, "%d",
(int)lum->lum_stripe_offset);
- if (verbose & VERBOSE_HASH_TYPE)
+ if (verbose & VERBOSE_HASH_TYPE && !yaml)
separator = " ";
else
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++) {
llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
-void llapi_lov_dump_user_lmm(struct find_param *param, char *path, int is_dir)
+static void lov_dump_comp_v1_header(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
{
- __u32 magic;
+ struct lov_comp_md_v1 *comp_v1 = (void *)¶m->fp_lmd->lmd_lmm;
+ int depth = param->fp_max_depth;
+ int verbose = param->fp_verbose;
+ bool yaml = flags & LDF_YAML;
- if (param->fp_get_lmv || param->fp_get_default_lmv)
- magic = (__u32)param->fp_lmv_md->lum_magic;
+ if (depth && path && ((verbose != VERBOSE_OBJID) ||
+ !(flags & LDF_IS_DIR)) && !yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+
+ if (verbose & VERBOSE_DETAIL) {
+ llapi_printf(LLAPI_MSG_NORMAL, "composite_header:\n");
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_magic: 0x%08X\n",
+ " ", comp_v1->lcm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_size: %u\n",
+ " ", comp_v1->lcm_size);
+ 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, "%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, "%u\n",
+ comp_v1->lcm_magic == LOV_USER_MAGIC_COMP_V1 ?
+ comp_v1->lcm_entry_count : 0);
+ }
+
+ if (verbose & VERBOSE_DETAIL && !yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, "components:\n");
+}
+
+static void lcme_flags2str(__u32 comp_flags)
+{
+ bool found = false;
+ int i = 0;
+
+ if (!comp_flags) {
+ llapi_printf(LLAPI_MSG_NORMAL, "0");
+ return;
+ }
+ for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
+ if (comp_flags & comp_flags_table[i].cfn_flag) {
+ if (found)
+ llapi_printf(LLAPI_MSG_NORMAL, ",");
+ llapi_printf(LLAPI_MSG_NORMAL, "%s",
+ comp_flags_table[i].cfn_name);
+ comp_flags &= ~comp_flags_table[i].cfn_flag;
+ found = true;
+ }
+ }
+ if (comp_flags) {
+ if (found)
+ llapi_printf(LLAPI_MSG_NORMAL, ",");
+ llapi_printf(LLAPI_MSG_NORMAL, "%#x", comp_flags);
+ }
+}
+
+static void lov_dump_comp_v1_entry(struct find_param *param,
+ enum lov_dump_flags flags, int index)
+{
+ 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;
+ bool yaml = flags & LDF_YAML;
+
+ entry = &comp_v1->lcm_entries[index];
+
+ if (yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, "%2scomponent%d:\n", " ", index);
+
+ if (verbose & VERBOSE_COMP_ID) {
+ if (verbose & VERBOSE_DETAIL && !yaml)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%slcme_id: ", " - ");
+ else if (verbose & ~VERBOSE_COMP_ID)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%4slcme_id: ", " ");
+ if (entry->lcme_id != LCME_ID_INVAL)
+ llapi_printf(LLAPI_MSG_NORMAL, "%u", entry->lcme_id);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "N/A");
+ 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: ", " ");
+ lcme_flags2str(entry->lcme_flags);
+ separator = "\n";
+ }
+
+ if (verbose & VERBOSE_COMP_START) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_COMP_START)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%4slcme_extent.e_start: ", " ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%llu",
+ entry->lcme_extent.e_start);
+ separator = "\n";
+ }
+
+ if (verbose & VERBOSE_COMP_END) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_COMP_END)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%4slcme_extent.e_end: ", " ");
+ if (entry->lcme_extent.e_end == LUSTRE_EOF)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", "EOF");
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "%llu",
+ entry->lcme_extent.e_end);
+ separator = "\n";
+ }
+
+ if (yaml) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ llapi_printf(LLAPI_MSG_NORMAL, "%4ssub_layout:\n", " ");
+ } else if (verbose & VERBOSE_DETAIL) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ llapi_printf(LLAPI_MSG_NORMAL, "%4slcme_offset: %u\n",
+ " ", entry->lcme_offset);
+ llapi_printf(LLAPI_MSG_NORMAL, "%4slcme_size: %u\n",
+ " ", entry->lcme_size);
+ llapi_printf(LLAPI_MSG_NORMAL, "%4ssub_layout:\n", " ");
+ } else {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ }
+}
+
+/* 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.
+ * The table below gives the answers for the specified parameters (value and
+ * sign), 1st column is the answer for the MDS value, the 2nd is for the OST:
+ * --------------------------------------
+ * 1 | file > limit; sign > 0 | -1 / -1 |
+ * 2 | file = limit; sign > 0 | -1 / -1 |
+ * 3 | file < limit; sign > 0 | ? / 1 |
+ * 4 | file > limit; sign = 0 | -1 / -1 |
+ * 5 | file = limit; sign = 0 | ? / 1 | <- (see the Note below)
+ * 6 | file < limit; sign = 0 | ? / -1 |
+ * 7 | file > limit; sign < 0 | 1 / 1 |
+ * 8 | file = limit; sign < 0 | ? / -1 |
+ * 9 | file < limit; sign < 0 | ? / -1 |
+ * --------------------------------------
+ * Note: 5th actually means that the value is within the interval
+ * (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)
+{
+ int ret = -1;
+
+ if (sign > 0) {
+ /* Drop the fraction of margin (of days). */
+ if (file + margin <= limit)
+ ret = mds ? 0 : 1;
+ } else if (sign == 0) {
+ if (file <= limit && file + margin > limit)
+ ret = mds ? 0 : 1;
+ else if (file + margin <= limit)
+ ret = mds ? 0 : -1;
+ } else if (sign < 0) {
+ if (file > limit)
+ ret = 1;
+ else if (mds)
+ ret = 0;
+ }
+
+ return negopt ? ~ret + 1 : ret;
+}
+
+static inline struct lov_user_md *
+lov_comp_entry(struct lov_comp_md_v1 *comp_v1, int ent_idx)
+{
+ return (struct lov_user_md *)((char *)comp_v1 +
+ comp_v1->lcm_entries[ent_idx].lcme_offset);
+}
+
+static inline struct lov_user_ost_data_v1 *
+lov_v1v3_objects(struct lov_user_md *v1)
+{
+ if (v1->lmm_magic == LOV_USER_MAGIC_V3)
+ return ((struct lov_user_md_v3 *)v1)->lmm_objects;
else
- magic = *(__u32 *)¶m->fp_lmd->lmd_lmm; /* lum->lmm_magic */
+ return v1->lmm_objects;
+}
- switch (magic) {
- case LOV_USER_MAGIC_V1:
+static inline void
+lov_v1v3_pool_name(struct lov_user_md *v1, char *pool_name)
+{
+ if (v1->lmm_magic == LOV_USER_MAGIC_V3)
+ snprintf(pool_name, LOV_MAXPOOLNAME, "%s",
+ ((struct lov_user_md_v3 *)v1)->lmm_pool_name);
+ else
+ pool_name[0] = '\0';
+}
+
+static inline bool
+print_last_init_comp(struct find_param *param)
+{
+ /* print all component info */
+ if ((param->fp_verbose & VERBOSE_DEFAULT) == VERBOSE_DEFAULT)
+ return false;
+
+ /* 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)
+ return false;
+
+ return true;
+}
+
+static int find_comp_end_cmp(unsigned long long end, struct find_param *param)
+{
+ int match;
+
+ if (param->fp_comp_end == LUSTRE_EOF) {
+ if (param->fp_comp_end_sign == 0) /* equal to EOF */
+ match = end == LUSTRE_EOF ? 1 : -1;
+ else if (param->fp_comp_end_sign > 0) /* at most EOF */
+ match = end == LUSTRE_EOF ? -1 : 1;
+ else /* at least EOF */
+ match = -1;
+ if (param->fp_exclude_comp_end)
+ match = ~match + 1;
+ } else {
+ unsigned long long margin;
+
+ margin = end == LUSTRE_EOF ? 0 : param->fp_comp_end_units;
+ match = find_value_cmp(end, param->fp_comp_end,
+ param->fp_comp_end_sign,
+ param->fp_exclude_comp_end, margin, 0);
+ }
+
+ return match;
+}
+
+/**
+ * An example of "getstripe -v" for a two components PFL file:
+ *
+ * composite_header:
+ * lcm_magic: 0x0BD60BD0
+ * lcm_size: 264
+ * lcm_flags: 0
+ * lcm_layout_gen: 2
+ * lcm_entry_count: 2
+ * components:
+ * - lcme_id: 1
+ * lcme_flags: 0x10
+ * lcme_extent.e_start: 0
+ * lcme_extent.e_end: 1048576
+ * lcme_offset: 128
+ * lcme_size: 56
+ * sub_layout:
+ * lmm_magic: 0x0BD10BD0
+ * lmm_seq: 0x200000401
+ * lmm_object_id: 0x1
+ * lmm_fid: [0x200000401:0x1:0x0]
+ * lmm_stripe_count: 1
+ * lmm_stripe_size: 1048576
+ * lmm_pattern: raid0
+ * lmm_layout_gen: 0
+ * lmm_stripe_offset: 0
+ * lmm_objects:
+ * - 0: { l_ost_idx: 0, l_fid: [0x100000000:0x2:0x0] }
+ *
+ * - lcme_id: 2
+ * lcme_flags: 0x10
+ * lcme_extent.e_start: 1048576
+ * lcme_extent.e_end: EOF
+ * lcme_offset: 184
+ * lcme_size: 80
+ * sub_layout:
+ * lmm_magic: 0x0BD10BD0
+ * lmm_seq: 0x200000401
+ * lmm_object_id: 0x1
+ * lmm_fid: [0x200000401:0x1:0x0]
+ * lmm_stripe_count: 2
+ * lmm_stripe_size: 1048576
+ * lmm_pattern: raid0
+ * lmm_layout_gen: 0
+ * lmm_stripe_offset: 1
+ * lmm_objects:
+ * - 0: { l_ost_idx: 1, l_fid: [0x100010000:0x2:0x0] }
+ * - 1: { l_ost_idx: 0, l_fid: [0x100000000:0x3:0x0] }
+ */
+static void lov_dump_comp_v1(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
+{
+ struct lov_comp_md_entry_v1 *entry;
+ struct lov_user_ost_data_v1 *objects;
+ struct lov_comp_md_v1 *comp_v1 = (void *)¶m->fp_lmd->lmd_lmm;
+ struct lov_user_md_v1 *v1;
+ char pool_name[LOV_MAXPOOLNAME + 1];
+ int obdindex = param->fp_obd_index;
+ int i, j, match;
+ bool obdstripe = false;
+
+ if (obdindex != OBD_NOT_FOUND) {
+ 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))
+ continue;
+
+ 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) {
+ obdstripe = true;
+ break;
+ }
+ }
+ }
+ } else {
+ obdstripe = true;
+ }
+
+ if (!obdstripe)
+ return;
+
+ lov_dump_comp_v1_header(param, path, flags);
+
+ flags |= LDF_INDENT;
+
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ entry = &comp_v1->lcm_entries[i];
+
+ if (param->fp_check_comp_flags) {
+ if (((param->fp_comp_flags & entry->lcme_flags) !=
+ param->fp_comp_flags) ||
+ (param->fp_comp_neg_flags & entry->lcme_flags))
+ continue;
+ }
+
+ if (param->fp_check_comp_id &&
+ param->fp_comp_id != entry->lcme_id)
+ continue;
+
+ if (param->fp_check_comp_start) {
+ match = find_value_cmp(entry->lcme_extent.e_start,
+ param->fp_comp_start,
+ param->fp_comp_start_sign,
+ 0,
+ param->fp_comp_start_units, 0);
+ if (match == -1)
+ continue;
+ }
+
+ if (param->fp_check_comp_end) {
+ match = find_comp_end_cmp(entry->lcme_extent.e_end,
+ param);
+ if (match == -1)
+ continue;
+ }
+
+ if (print_last_init_comp(param)) {
+ /**
+ * if part of stripe info is needed, we'd print only
+ * the last instantiated component info.
+ */
+ if (entry->lcme_flags & LCME_FL_INIT)
+ continue;
+ else
+ break;
+ }
+
+ 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);
+
+ lov_dump_user_lmm_v1v3(v1, pool_name, objects, path, obdindex,
+ param->fp_max_depth, param->fp_verbose,
+ flags);
+ }
+ if (print_last_init_comp(param)) {
+ /**
+ * directory layout contains only layout template, print the
+ * last component.
+ */
+ if (i == 0)
+ i = comp_v1->lcm_entry_count - 1;
+ else
+ i--;
+ flags &= ~LDF_SKIP_OBJS;
+
+ 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);
+
+ lov_dump_user_lmm_v1v3(v1, pool_name, objects, path, obdindex,
+ param->fp_max_depth, param->fp_verbose,
+ flags);
+ }
+}
+
+#define VERBOSE_COMP_OPTS (VERBOSE_COMP_COUNT | VERBOSE_COMP_ID | \
+ VERBOSE_COMP_START | VERBOSE_COMP_END | \
+ VERBOSE_COMP_FLAGS)
+
+static inline bool has_any_comp_options(struct find_param *param)
+{
+ int 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 ||
+ param->fp_check_comp_flags)
+ return true;
+
+ /* show full layout information, not component specific */
+ if ((verbose & ~VERBOSE_DETAIL) == VERBOSE_DEFAULT)
+ return false;
+
+ return verbose & VERBOSE_COMP_OPTS;
+}
+
+struct lov_user_mds_data *lov_forge_comp_v1(struct lov_user_mds_data *orig,
+ bool is_dir)
+{
+ struct lov_user_md *lum = &orig->lmd_lmm;
+ struct lov_user_mds_data *new;
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_comp_md_entry_v1 *ent;
+ int lum_off = sizeof(*comp_v1) + sizeof(*ent);
+ 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);
+ if (new == NULL) {
+ llapi_printf(LLAPI_MSG_NORMAL, "out of memory\n");
+ return new;
+ }
+
+ memcpy(new, orig, sizeof(lstat_t));
+
+ comp_v1 = (struct lov_comp_md_v1 *)&new->lmd_lmm;
+ comp_v1->lcm_magic = lum->lmm_magic;
+ comp_v1->lcm_size = lum_off + lum_size;
+ comp_v1->lcm_layout_gen = is_dir ? 0 : lum->lmm_layout_gen;
+ comp_v1->lcm_flags = 0;
+ comp_v1->lcm_entry_count = 1;
+
+ ent = &comp_v1->lcm_entries[0];
+ ent->lcme_id = 0;
+ ent->lcme_flags = is_dir ? 0 : LCME_FL_INIT;
+ ent->lcme_extent.e_start = 0;
+ ent->lcme_extent.e_end = LUSTRE_EOF;
+ ent->lcme_offset = lum_off;
+ ent->lcme_size = lum_size;
+
+ memcpy((char *)comp_v1 + lum_off, lum, lum_size);
+
+ return new;
+}
+
+static void lov_dump_plain_user_lmm(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
+{
+ __u32 magic = *(__u32 *)¶m->fp_lmd->lmd_lmm;
+
+ if (has_any_comp_options(param)) {
+ struct lov_user_mds_data *new_lmd, *orig_lmd;
+
+ orig_lmd = param->fp_lmd;
+ new_lmd = lov_forge_comp_v1(orig_lmd, flags & LDF_IS_DIR);
+ if (new_lmd != NULL) {
+ param->fp_lmd = new_lmd;
+ lov_dump_comp_v1(param, path, flags);
+ param->fp_lmd = orig_lmd;
+ free(new_lmd);
+ }
+ return;
+ }
+
+ if (magic == LOV_USER_MAGIC_V1) {
lov_dump_user_lmm_v1v3(¶m->fp_lmd->lmd_lmm, NULL,
param->fp_lmd->lmd_lmm.lmm_objects,
- path, is_dir,
- param->fp_obd_index, param->fp_max_depth,
- param->fp_verbose, param->fp_raw);
- break;
- case LOV_USER_MAGIC_V3: {
- char pool_name[LOV_MAXPOOLNAME + 1];
- struct lov_user_ost_data_v1 *objects;
+ path, param->fp_obd_index,
+ param->fp_max_depth, param->fp_verbose,
+ flags);
+ } else {
+ char pool_name[LOV_MAXPOOLNAME + 1];
+ 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[0] == '\0' ? NULL : pool_name,
- objects, path, is_dir,
- param->fp_obd_index, param->fp_max_depth,
- param->fp_verbose, param->fp_raw);
- break;
- }
+ lov_dump_user_lmm_v1v3(¶m->fp_lmd->lmd_lmm, pool_name,
+ objects, path, param->fp_obd_index,
+ param->fp_max_depth, param->fp_verbose,
+ flags);
+ }
+}
+
+static void llapi_lov_dump_user_lmm(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
+{
+ __u32 magic;
+
+ if (param->fp_get_lmv || param->fp_get_default_lmv)
+ magic = (__u32)param->fp_lmv_md->lum_magic;
+ else
+ magic = *(__u32 *)¶m->fp_lmd->lmd_lmm; /* lum->lmm_magic */
+
+ if (param->fp_raw)
+ flags |= LDF_IS_RAW;
+ if (param->fp_yaml)
+ flags |= LDF_YAML;
+
+ switch (magic) {
+ case LOV_USER_MAGIC_V1:
+ case LOV_USER_MAGIC_V3:
+ lov_dump_plain_user_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));
- lmv_dump_user_lmm(lum,
- pool_name[0] == '\0' ? NULL : pool_name,
- path, param->fp_obd_index,
- param->fp_max_depth, param->fp_verbose);
+ 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);
break;
}
+ case LOV_USER_MAGIC_COMP_V1:
+ lov_dump_comp_v1(param, path, flags);
+ break;
default:
llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
"(expecting one of %#x %#x %#x %#x)\n",
data.ioc_inlbuf1 = (char *)name;
data.ioc_inllen1 = strlen(name) + 1;
- 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: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
return rc;
}
-/* 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.
- * The table below gives the answers for the specified parameters (value and
- * sign), 1st column is the answer for the MDS value, the 2nd is for the OST:
- * --------------------------------------
- * 1 | file > limit; sign > 0 | -1 / -1 |
- * 2 | file = limit; sign > 0 | -1 / -1 |
- * 3 | file < limit; sign > 0 | ? / 1 |
- * 4 | file > limit; sign = 0 | -1 / -1 |
- * 5 | file = limit; sign = 0 | ? / 1 | <- (see the Note below)
- * 6 | file < limit; sign = 0 | ? / -1 |
- * 7 | file > limit; sign < 0 | 1 / 1 |
- * 8 | file = limit; sign < 0 | ? / -1 |
- * 9 | file < limit; sign < 0 | ? / -1 |
- * --------------------------------------
- * Note: 5th actually means that the value is within the interval
- * (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)
-{
- int ret = -1;
-
- if (sign > 0) {
- /* Drop the fraction of margin (of days). */
- if (file + margin <= limit)
- ret = mds ? 0 : 1;
- } else if (sign == 0) {
- if (file <= limit && file + margin > limit)
- ret = mds ? 0 : 1;
- else if (file + margin <= limit)
- ret = mds ? 0 : -1;
- } else if (sign < 0) {
- if (file > limit)
- ret = 1;
- else if (mds)
- ret = 0;
- }
-
- return negopt ? ~ret + 1 : ret;
-}
-
/* 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
*/
static int check_obd_match(struct find_param *param)
{
+ 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_ost_data_v1 *lmm_objects;
- int i, j;
+ int i, j, k, count = 1;
if (param->fp_obd_uuid && param->fp_obd_index == OBD_NOT_FOUND)
return 0;
/* Only those files should be accepted, which have a
* stripe on the specified OST. */
- if (!param->fp_lmd->lmd_lmm.lmm_stripe_count)
- 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;
+ }
- if (param->fp_lmd->lmd_lmm.lmm_magic ==
- LOV_USER_MAGIC_V3) {
- struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
+ for (i = 0; i < count; i++) {
+ if (comp_v1)
+ v1 = lov_comp_entry(comp_v1, i);
- lmm_objects = lmmv3->lmm_objects;
- } else if (param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) {
- lmm_objects = param->fp_lmd->lmd_lmm.lmm_objects;
- } else {
- llapi_err_noerrno(LLAPI_MSG_ERROR, "%s:Unknown magic: 0x%08X\n",
- __func__, param->fp_lmd->lmd_lmm.lmm_magic);
- return -EINVAL;
- }
+ objects = lov_v1v3_objects(v1);
- for (i = 0; i < param->fp_lmd->lmd_lmm.lmm_stripe_count; i++) {
- for (j = 0; j < param->fp_num_obds; j++) {
- if (param->fp_obd_indexes[j] ==
- lmm_objects[i].l_ost_idx) {
- if (param->fp_exclude_obd)
- return 0;
- return 1;
+ 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)
+ return !param->fp_exclude_obd;
}
}
}
- if (param->fp_exclude_obd)
- return 1;
-
- return 0;
+ return param->fp_exclude_obd;
}
static int check_mdt_match(struct find_param *param)
if (param->fp_mdt_uuid && param->fp_mdt_index == OBD_NOT_FOUND)
return 0;
- /* FIXME: For striped dir, we should get stripe information and check */
- for (i = 0; i < param->fp_num_mdts; i++) {
- if (param->fp_mdt_indexes[i] == param->fp_file_mdt_index)
- return !param->fp_exclude_mdt;
+ /* FIXME: For striped dir, we should get stripe information and check */
+ for (i = 0; i < param->fp_num_mdts; i++) {
+ if (param->fp_mdt_indexes[i] == param->fp_file_mdt_index)
+ return !param->fp_exclude_mdt;
+ }
+
+ if (param->fp_exclude_mdt)
+ return 1;
+
+ return 0;
+}
+
+/**
+ * Check whether the obd is active or not, if it is
+ * not active, just print the object affected by this
+ * failed target
+ **/
+static int 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;
+
+ 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));
+ }
+
+ return ret;
+}
+
+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;
+ int ret, i, count = 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)
+ 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;
+ }
+
+ 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_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)
+ v1 = lov_comp_entry(comp_v1, i);
+ stripe_count += v1->lmm_stripe_count;
+ }
+
+ return stripe_count;
+}
+
+#define LOV_PATTERN_INVALID 0xFFFFFFFF
+
+static int find_check_layout(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;
+ bool found = false, valid = false;
+
+ 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)
+ v1 = lov_comp_entry(comp_v1, i);
+
+ if (v1->lmm_pattern == LOV_PATTERN_INVALID)
+ continue;
+
+ valid = true;
+ if (v1->lmm_pattern & param->fp_layout) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!valid)
+ return -1;
+
+ if ((found && !param->fp_exclude_layout) ||
+ (!found && param->fp_exclude_layout))
+ return 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;
+ int i, count = 1;
+ bool found = false;
+
+ if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ count = comp_v1->lcm_entry_count;
+ /* empty requested pool is taken as no pool search */
+ if (count == 0 && param->fp_poolname[0] == '\0')
+ found = true;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (comp_v1 != NULL)
+ v1 = lov_comp_entry(comp_v1, i);
+
+ if (((v1->lmm_magic == LOV_USER_MAGIC_V1) &&
+ (param->fp_poolname[0] == '\0')) ||
+ ((v1->lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strncmp(v3->lmm_pool_name,
+ param->fp_poolname, LOV_MAXPOOLNAME) == 0)) ||
+ ((v1->lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strcmp(param->fp_poolname, "*") == 0))) {
+ found = true;
+ break;
+ }
+ }
+
+ if ((found && !param->fp_exclude_pool) ||
+ (!found && param->fp_exclude_pool))
+ return 1;
+
+ 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_comp_md_entry_v1 *entry;
+ int i, ret = 0;
+
+ if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ } else {
+ forged_v1 = malloc(sizeof(*forged_v1) + sizeof(*entry));
+ if (forged_v1 == NULL)
+ return -1;
+ 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_extent.e_start = 0;
+ entry->lcme_extent.e_end = LUSTRE_EOF;
+ }
+
+ /* invalid case, don't match for any kind of search. */
+ if (comp_v1->lcm_entry_count == 0) {
+ ret = -1;
+ goto out;
+ }
+
+ if (param->fp_check_comp_count) {
+ ret = find_value_cmp(forged_v1 ? 0 : comp_v1->lcm_entry_count,
+ param->fp_comp_count,
+ param->fp_comp_count_sign,
+ param->fp_exclude_comp_count, 1, 0);
+ if (ret == -1)
+ goto out;
+ }
+
+ ret = 1;
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ entry = &comp_v1->lcm_entries[i];
+
+ if (param->fp_check_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;
+ continue;
+ }
+ }
+
+ if (param->fp_check_comp_start) {
+ ret = find_value_cmp(entry->lcme_extent.e_start,
+ param->fp_comp_start,
+ param->fp_comp_start_sign,
+ param->fp_exclude_comp_start,
+ param->fp_comp_start_units, 0);
+ if (ret == -1)
+ continue;
+ }
+
+ if (param->fp_check_comp_end) {
+ ret = find_comp_end_cmp(entry->lcme_extent.e_end,
+ param);
+ if (ret == -1)
+ continue;
+ }
+
+ /* the component matches all criteria */
+ break;
+ }
+out:
+ if (forged_v1 != NULL)
+ 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_exclude_mdt)
- return 1;
+ if (param->fp_check_mirror_state) {
+ ret = 1;
+ __u16 file_state = comp_v1->lcm_flags & LCM_FL_FLR_MASK;
- return 0;
+ if ((param->fp_mirror_state != 0 &&
+ file_state != param->fp_mirror_state) ||
+ file_state == param->fp_mirror_neg_state)
+ return -1;
+ }
+
+ return ret;
}
-/**
- * Check whether the obd is active or not, if it is
- * 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 bool find_check_lmm_info(struct find_param *param)
{
- struct obd_statfs stat_buf;
- struct obd_uuid uuid_buf;
- int ret;
+ 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_mirror_state ||
+ param->fp_check_projid;
+}
- LASSERT(type == LL_STATFS_LOV || type == LL_STATFS_LMV);
+/*
+ * Get file/directory project id.
+ * by the open fd resides on.
+ * Return 0 and project id on success, or -ve errno.
+ */
+static int fget_projid(int fd, int *projid)
+{
+ struct fsxattr fsx;
+ int rc;
- 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));
- }
+ rc = ioctl(fd, LL_IOC_FSGETXATTR, &fsx);
+ if (rc)
+ return -errno;
- return ret;
+ *projid = fsx.fsx_projid;
+ return 0;
}
static int cb_find_init(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 *dir = dirp == NULL ? NULL : *dirp;
- int decision = 1; /* 1 is accepted; -1 is rejected. */
+ 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;
+ int lustre_fs = 1;
+ int checked_type = 0;
+ int ret = 0;
+ __u32 stripe_count = 0;
+ int fd = -2;
- LASSERT(parent != NULL || dir != NULL);
-
- param->fp_lmd->lmd_lmm.lmm_stripe_count = 0;
+ if (parent == NULL && dir == NULL)
+ return -EINVAL;
/* If a regular expression is presented, make the initial decision */
if (param->fp_pattern != NULL) {
if (param->fp_obd_uuid || param->fp_mdt_uuid ||
param->fp_check_uid || param->fp_check_gid ||
param->fp_atime || param->fp_mtime || param->fp_ctime ||
- param->fp_check_pool || param->fp_check_size ||
- param->fp_check_stripe_count || param->fp_check_stripe_size ||
- param->fp_check_layout)
+ param->fp_check_size || 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;
if (decision == 0) {
+ if (param->fp_check_mdt_count || param->fp_check_hash_type) {
+ param->fp_get_lmv = 1;
+ ret = cb_get_dirstripe(path, dir, param);
+ if (ret != 0)
+ return ret;
+ }
+
+ param->fp_lmd->lmd_lmm.lmm_magic = 0;
ret = get_lmd_info(path, parent, dir, param->fp_lmd,
param->fp_lum_size);
if (ret == 0 && param->fp_lmd->lmd_lmm.lmm_magic == 0 &&
- (param->fp_check_pool || param->fp_check_stripe_count ||
- param->fp_check_stripe_size || param->fp_check_layout)) {
+ 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. */
lmm->lmm_magic = LOV_USER_MAGIC_V1;
- lmm->lmm_pattern = 0xFFFFFFFF;
+ lmm->lmm_pattern = LOV_PATTERN_DEFAULT;
if (!param->fp_raw)
ostid_set_seq(&lmm->lmm_oi,
FID_SEQ_LOV_DEFAULT);
ret = llapi_file_fget_mdtidx(dirfd(dir),
¶m->fp_file_mdt_index);
} else if (S_ISREG(st->st_mode)) {
- int fd;
-
/* 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
if (fd > 0) {
ret = llapi_file_fget_mdtidx(fd,
¶m->fp_file_mdt_index);
- close(fd);
} else {
ret = -errno;
}
if (ret == -ENOENT)
goto decided;
- return ret;
+ goto out;
+ } else {
+ stripe_count = find_get_stripe_count(param);
}
}
ret = setup_target_indexes(dir ? dir : parent, path,
param);
if (ret)
- return ret;
+ goto out;
param->fp_dev = st->st_dev;
} else if (!lustre_fs && param->fp_got_uuids) {
}
if (param->fp_check_stripe_size) {
- decision = find_value_cmp(
- param->fp_lmd->lmd_lmm.lmm_stripe_size,
- param->fp_stripe_size,
- param->fp_stripe_size_sign,
- param->fp_exclude_stripe_size,
- param->fp_stripe_size_units, 0);
+ decision = find_check_stripe_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,
+ param->fp_exclude_stripe_count, 1, 0);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_check_mdt_count) {
decision = find_value_cmp(
- param->fp_lmd->lmd_lmm.lmm_stripe_count,
- param->fp_stripe_count,
- param->fp_stripe_count_sign,
- param->fp_exclude_stripe_count, 1, 0);
+ param->fp_lmv_md->lum_stripe_count,
+ param->fp_mdt_count,
+ param->fp_mdt_count_sign,
+ param->fp_exclude_mdt_count, 1, 0);
if (decision == -1)
goto decided;
- }
+ }
if (param->fp_check_layout) {
+ decision = find_check_layout(param);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_check_hash_type) {
__u32 found;
- found = (param->fp_lmd->lmd_lmm.lmm_pattern & param->fp_layout);
- if ((param->fp_lmd->lmd_lmm.lmm_pattern == 0xFFFFFFFF) ||
- (found && param->fp_exclude_layout) ||
- (!found && !param->fp_exclude_layout)) {
+ 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)) {
decision = -1;
goto decided;
}
}
}
- if (param->fp_check_pool) {
- struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
+ if (param->fp_check_projid) {
+ int projid = 0;
- /* empty requested pool is taken as no pool search => V1 */
- if (((param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) &&
- (param->fp_poolname[0] == '\0')) ||
- ((param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
- (strncmp(lmmv3->lmm_pool_name,
- param->fp_poolname, LOV_MAXPOOLNAME) == 0)) ||
- ((param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
- (strcmp(param->fp_poolname, "*") == 0))) {
- if (param->fp_exclude_pool)
+ if (fd == -2)
+ fd = open(path, O_RDONLY);
+
+ if (fd > 0)
+ ret = fget_projid(fd, &projid);
+ else
+ ret = -errno;
+ if (ret)
+ goto out;
+ if (projid == param->fp_projid) {
+ if (param->fp_exclude_uid)
goto decided;
} else {
- if (!param->fp_exclude_pool)
+ if (!param->fp_exclude_projid)
goto decided;
}
}
+ if (param->fp_check_pool) {
+ decision = find_check_pool(param);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_check_comp_count || param->fp_check_comp_flags ||
+ param->fp_check_comp_start || param->fp_check_comp_end) {
+ decision = find_check_comp_options(param);
+ if (decision == -1)
+ 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;
- for_mds = lustre_fs ? (S_ISREG(st->st_mode) &&
- param->fp_lmd->lmd_lmm.lmm_stripe_count)
- : 0;
+ 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;
The regular stat is almost of the same speed as some new
'glimpse-size-ioctl'. */
- if (param->fp_check_size && S_ISREG(st->st_mode) &&
- param->fp_lmd->lmd_lmm.lmm_stripe_count)
- decision = 0;
+ if (param->fp_check_size && S_ISREG(st->st_mode) && stripe_count)
+ decision = 0;
if (param->fp_check_size && S_ISDIR(st->st_mode))
decision = 0;
__func__, path);
goto decided;
} else {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "%s: IOC_LOV_GETINFO on %s failed",
- __func__, path);
- return ret;
- }
- }
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: IOC_LOV_GETINFO on %s failed",
+ __func__, path);
+ goto out;
+ }
+ }
- /* Check the time on osc. */
- decision = find_time_check(st, param, 0);
- if (decision == -1)
- goto decided;
- }
+ /* Check the time on osc. */
+ decision = find_time_check(st, param, 0);
+ if (decision == -1)
+ goto decided;
+ }
if (param->fp_check_size)
decision = find_value_cmp(st->st_size, param->fp_size,
param->fp_exclude_size,
param->fp_size_units, 0);
- if (decision != -1) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", path);
+ 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");
- }
+ llapi_printf(LLAPI_MSG_NORMAL, "%c", '\0');
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+ }
decided:
- /* Do not get down anymore? */
- if (param->fp_depth == param->fp_max_depth)
- return 1;
-
+ ret = 0;
+ /* Do not get down anymore? */
+ if (param->fp_depth == param->fp_max_depth) {
+ ret = 1;
+ goto out;
+ }
param->fp_depth++;
-
- return 0;
+out:
+ if (fd > 0)
+ close(fd);
+ return ret;
}
static int cb_migrate_mdt_init(char *path, DIR *parent, DIR **dirp,
{
struct find_param *param = (struct find_param *)param_data;
DIR *tmp_parent = parent;
- char raw[OBD_MAX_IOCTL_BUFFER] = {'\0'};
+ char raw[MAX_IOC_BUFLEN] = {'\0'};
char *rawbuf = raw;
struct obd_ioctl_data data = { 0 };
int fd;
char *filename;
bool retry = false;
- LASSERT(parent != NULL || dirp != NULL);
+ if (parent == NULL && dirp == NULL)
+ return -EINVAL;
+
if (dirp != NULL)
closedir(*dirp);
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));
+ ret = llapi_ioctl_pack(&data, &rawbuf, sizeof(raw));
if (ret != 0) {
llapi_error(LLAPI_MSG_ERROR, ret,
"llapi_obd_statfs: error packing ioctl data");
int llapi_mv(char *path, struct find_param *param)
{
-#if LUSTRE_VERSION_CODE > OBD_OCD_VERSION(2, 9, 53, 0)
+#if LUSTRE_VERSION_CODE > OBD_OCD_VERSION(2, 9, 59, 0)
static bool printed;
if (!printed) {
int ret;
int mdtidx;
- LASSERT(parent != NULL || d != NULL);
+ if (parent == NULL && d == NULL)
+ return -EINVAL;
if (d != NULL) {
ret = llapi_file_fget_mdtidx(dirfd(d), &mdtidx);
DIR *d = dirp == NULL ? NULL : *dirp;
int ret = 0;
- LASSERT(parent != NULL || d != NULL);
+ if (parent == NULL && d == NULL)
+ return -EINVAL;
if (param->fp_obd_uuid) {
param->fp_quiet = 1;
char *fname = strrchr(path, '/');
fname = (fname == NULL ? path : fname + 1);
- strlcpy((char *)¶m->fp_lmd->lmd_lmm, fname,
- param->fp_lum_size);
+ snprintf((char *)¶m->fp_lmd->lmd_lmm, param->fp_lum_size,
+ "%s", fname);
ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
(void *)¶m->fp_lmd->lmd_lmm);
dump:
if (!(param->fp_verbose & VERBOSE_MDTINDEX))
- llapi_lov_dump_user_lmm(param, path, d ? 1 : 0);
+ llapi_lov_dump_user_lmm(param, path, d ? LDF_IS_DIR : 0);
out:
/* Do not get down anymore? */
int llapi_obd_fstatfs(int fd, __u32 type, __u32 index,
struct obd_statfs *stat_buf, struct obd_uuid *uuid_buf)
{
- char raw[OBD_MAX_IOCTL_BUFFER] = {'\0'};
+ char raw[MAX_IOC_BUFLEN] = {'\0'};
char *rawbuf = raw;
struct obd_ioctl_data data = { 0 };
int rc = 0;
data.ioc_pbuf2 = (char *)uuid_buf;
data.ioc_plen2 = sizeof(struct obd_uuid);
- rc = obd_ioctl_pack(&data, &rawbuf, sizeof(raw));
+ rc = llapi_ioctl_pack(&data, &rawbuf, sizeof(raw));
if (rc != 0) {
llapi_error(LLAPI_MSG_ERROR, rc,
"llapi_obd_statfs: error packing ioctl data");
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;
}
} else {
/* Not enough room to add suffix */
llapi_err_noerrno(LLAPI_MSG_ERROR,
- "MDT name too long |%s|", name);
+ "Invalid MDT name |%s|", name);
return -EINVAL;
}
}
int root_ioctl(const char *mdtname, int opc, void *data, int *mdtidxp,
int want_error)
{
- char fsname[20];
- char *ptr;
+ 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, 10);
- 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;
-}
-
-/****** Changelog API ********/
-
-static int changelog_ioctl(const char *mdtname, int opc, int id,
- long long recno, int flags)
-{
- struct ioc_changelog data;
- int *idx;
-
- data.icc_id = id;
- data.icc_recno = recno;
- data.icc_flags = flags;
- idx = (int *)(&data.icc_mdtindex);
-
- return root_ioctl(mdtname, opc, &data, idx, WANT_ERROR);
-}
-
-#define CHANGELOG_PRIV_MAGIC 0xCA8E1080
-struct changelog_private {
- int magic;
- enum changelog_send_flag flags;
- struct lustre_kernelcomm kuc;
-};
-
-/** Start reading from a changelog
- * @param priv Opaque private control structure
- * @param flags Start flags (e.g. CHANGELOG_FLAG_BLOCK)
- * @param device Report changes recorded on this MDT
- * @param startrec Report changes beginning with this record number
- * (just call llapi_changelog_fini when done; don't need an endrec)
- */
-int llapi_changelog_start(void **priv, enum changelog_send_flag flags,
- const char *device, long long startrec)
-{
- struct changelog_private *cp;
- static bool warned;
- int rc;
-
- /* Set up the receiver control struct */
- cp = calloc(1, sizeof(*cp));
- if (cp == NULL)
- return -ENOMEM;
-
- cp->magic = CHANGELOG_PRIV_MAGIC;
- cp->flags = flags;
-
- /* Set up the receiver */
- rc = libcfs_ukuc_start(&cp->kuc, 0 /* no group registration */, 0);
- if (rc < 0)
- goto out_free;
-
- *priv = cp;
-
- /* CHANGELOG_FLAG_JOBID will eventually become mandatory. Display a
- * warning if it's missing. */
- if (!(flags & CHANGELOG_FLAG_JOBID) && !warned) {
- llapi_err_noerrno(LLAPI_MSG_WARN, "warning: %s() called "
- "w/o CHANGELOG_FLAG_JOBID", __func__);
- warned = true;
+ /* 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);
}
-
- /* Tell the kernel to start sending */
- rc = changelog_ioctl(device, OBD_IOC_CHANGELOG_SEND, cp->kuc.lk_wfd,
- startrec, flags);
- /* Only the kernel reference keeps the write side open */
- close(cp->kuc.lk_wfd);
- cp->kuc.lk_wfd = LK_NOFD;
if (rc < 0) {
- /* frees and clears priv */
- llapi_changelog_fini(priv);
+ if (want_error)
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Can't open %s: %d\n", mdtname, rc);
return rc;
}
- return 0;
+ if (mdtidxp)
+ *mdtidxp = index;
-out_free:
- free(cp);
+ rc = ioctl(fd, opc, data);
+ if (rc == -1)
+ rc = -errno;
+ else
+ rc = 0;
+ close(fd);
return rc;
}
-/** Finish reading from a changelog */
-int llapi_changelog_fini(void **priv)
-{
- struct changelog_private *cp = (struct changelog_private *)*priv;
-
- if (!cp || (cp->magic != CHANGELOG_PRIV_MAGIC))
- return -EINVAL;
-
- libcfs_ukuc_stop(&cp->kuc);
- free(cp);
- *priv = NULL;
- return 0;
-}
-
-/**
- * Convert all records to a same format according to the caller's wishes.
- * Default is CLF_VERSION | CLF_RENAME.
- * Add CLF_JOBID if explicitely requested.
- *
- * \param rec The record to remap. It is expected to be big enough to
- * properly handle the final format.
- * \return 1 if anything changed. 0 otherwise.
- */
-/** Read the next changelog entry
- * @param priv Opaque private control structure
- * @param rech Changelog record handle; record will be allocated here
- * @return 0 valid message received; rec is set
- * <0 error code
- * 1 EOF
- */
-#define DEFAULT_RECORD_FMT (CLF_VERSION | CLF_RENAME)
-int llapi_changelog_recv(void *priv, struct changelog_rec **rech)
-{
- struct changelog_private *cp = (struct changelog_private *)priv;
- struct kuc_hdr *kuch;
- enum changelog_rec_flags rec_fmt = DEFAULT_RECORD_FMT;
- int rc = 0;
-
- if (!cp || (cp->magic != CHANGELOG_PRIV_MAGIC))
- return -EINVAL;
- if (rech == NULL)
- return -EINVAL;
- kuch = malloc(KUC_CHANGELOG_MSG_MAXSIZE);
- if (kuch == NULL)
- return -ENOMEM;
-
- if (cp->flags & CHANGELOG_FLAG_JOBID)
- rec_fmt |= CLF_JOBID;
-
-repeat:
- rc = libcfs_ukuc_msg_get(&cp->kuc, (char *)kuch,
- KUC_CHANGELOG_MSG_MAXSIZE,
- KUC_TRANSPORT_CHANGELOG);
- if (rc < 0)
- goto out_free;
-
- if ((kuch->kuc_transport != KUC_TRANSPORT_CHANGELOG) ||
- ((kuch->kuc_msgtype != CL_RECORD) &&
- (kuch->kuc_msgtype != CL_EOF))) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "Unknown changelog message type %d:%d\n",
- kuch->kuc_transport, kuch->kuc_msgtype);
- rc = -EPROTO;
- goto out_free;
- }
-
- if (kuch->kuc_msgtype == CL_EOF) {
- if (cp->flags & CHANGELOG_FLAG_FOLLOW) {
- /* Ignore EOFs */
- goto repeat;
- } else {
- rc = 1;
- goto out_free;
- }
- }
-
- /* Our message is a changelog_rec. Use pointer math to skip
- * kuch_hdr and point directly to the message payload. */
- *rech = (struct changelog_rec *)(kuch + 1);
- changelog_remap_rec(*rech, rec_fmt);
-
- return 0;
-
-out_free:
- *rech = NULL;
- free(kuch);
- return rc;
-}
-
-/** Release the changelog record when done with it. */
-int llapi_changelog_free(struct changelog_rec **rech)
-{
- if (*rech) {
- /* We allocated memory starting at the kuc_hdr, but passed
- * the consumer a pointer to the payload.
- * Use pointer math to get back to the header.
- */
- struct kuc_hdr *kuch = (struct kuc_hdr *)*rech - 1;
- free(kuch);
- }
- *rech = NULL;
- return 0;
-}
-
-int llapi_changelog_clear(const char *mdtname, const char *idstr,
- long long endrec)
-{
- long id;
-
- if (endrec < 0) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "can't purge negative records\n");
- return -EINVAL;
- }
-
- id = strtol(idstr + strlen(CHANGELOG_USER_PREFIX), NULL, 10);
- if ((id == 0) || (strncmp(idstr, CHANGELOG_USER_PREFIX,
- strlen(CHANGELOG_USER_PREFIX)) != 0)) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "expecting id of the form '"
- CHANGELOG_USER_PREFIX
- "<num>'; got '%s'\n", idstr);
- return -EINVAL;
- }
-
- return changelog_ioctl(mdtname, OBD_IOC_CHANGELOG_CLEAR, id, endrec, 0);
-}
-
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 == '[')
if (rc)
goto out_free;
- memcpy(buf, gf->gf_u.gf_path, gf->gf_pathlen);
+ 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;
return rc;
}
-static int fid_from_lma(const char *path, const int fd, lustre_fid *fid)
+static int fid_from_lma(const char *path, int fd, struct lu_fid *fid)
{
char buf[512];
struct lustre_mdt_attrs *lma;
return 0;
}
-int llapi_get_mdt_index_by_fid(int fd, const lustre_fid *fid,
+int llapi_get_mdt_index_by_fid(int fd, const struct lu_fid *fid,
int *mdt_index)
{
int rc;
return rc;
}
-int llapi_fd2fid(const int fd, lustre_fid *fid)
+int llapi_fd2fid(int fd, struct lu_fid *fid)
{
int rc;
return rc;
}
-int llapi_path2fid(const char *path, lustre_fid *fid)
+int llapi_path2fid(const char *path, struct lu_fid *fid)
{
int fd, rc;
return rc;
}
-int llapi_fd2parent(int fd, unsigned int linkno, lustre_fid *parent_fid,
+int llapi_fd2parent(int fd, unsigned int linkno, struct lu_fid *parent_fid,
char *name, size_t name_size)
{
struct getparent *gp;
}
int llapi_path2parent(const char *path, unsigned int linkno,
- lustre_fid *parent_fid, char *name, size_t name_size)
+ struct lu_fid *parent_fid, char *name, size_t name_size)
{
int fd;
int rc;
*/
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 = flags;
+ idv.idv_flags = (__u32)flags;
- rc = ioctl(fd, LL_IOC_DATA_VERSION, &idv);
- if (rc)
- rc = -errno;
- else
- *data_version = idv.idv_version;
+ rc = ioctl(fd, LL_IOC_DATA_VERSION, &idv);
+ if (rc)
+ rc = -errno;
+ else
+ *data_version = idv.idv_version;
- return rc;
+ return rc;
+}
+
+/**
+ * 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 llapi_get_data_version(fd, &dv, LL_DV_WR_FLUSH);
+}
+
+/*
+ * 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;
}
/*
* \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)
+int llapi_open_by_fid(const char *lustre_dir, const struct lu_fid *fid,
+ int flags)
{
char mntdir[PATH_MAX];
char path[PATH_MAX];
git://git.whamcloud.com / fs / lustre-release.git / blobdiff