* 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 <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 <linux/lustre_ostid.h>
-#include <linux/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 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;
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;
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;
+ }
- lum.lum_magic = LMV_USER_MAGIC;
- lum.lum_stripe_offset = stripe_offset;
- lum.lum_stripe_count = stripe_count;
- lum.lum_hash_type = stripe_pattern;
+ /* 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;
+
+ /* 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;
}
- strncpy(lum.lum_pool_name, pool_name,
- sizeof(lum.lum_pool_name));
}
+ /* 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) {
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;
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;
+ 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 = 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 = 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)
/* 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;
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,
llapi_printf(LLAPI_MSG_NORMAL, "%s%sstripe_count: ",
space, prefix);
if (is_dir) {
- if (!is_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,
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, "%s%spattern: ",
space, prefix);
- llapi_printf(LLAPI_MSG_NORMAL, "%.x", lum->lmm_pattern);
- separator = "\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";
}
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,
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,
{
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)
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++) {
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_entry_count);
+ 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)
{
else if (verbose & ~VERBOSE_COMP_ID)
llapi_printf(LLAPI_MSG_NORMAL,
"%4slcme_id: ", " ");
- if (!(flags & LDF_IS_DIR))
+ 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: ", " ");
- llapi_printf(LLAPI_MSG_NORMAL, "%#x", entry->lcme_flags);
+ lcme_flags2str(entry->lcme_flags);
separator = "\n";
}
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';
}
* 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;
+ bool obdstripe = false;
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;
}
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);
}
}
-static void llapi_lov_dump_user_lmm(struct find_param *param, char *path,
- enum lov_dump_flags 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)
{
- __u32 magic;
+ int verbose = param->fp_verbose;
- 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_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;
- if (param->fp_raw)
- flags |= LDF_IS_RAW;
- if (param->fp_yaml)
- flags |= LDF_YAML;
+ /* show full layout information, not component specific */
+ if ((verbose & ~VERBOSE_DETAIL) == VERBOSE_DEFAULT)
+ return false;
- switch (magic) {
- case LOV_USER_MAGIC_V1:
+ 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, param->fp_obd_index,
param->fp_max_depth, param->fp_verbose,
flags);
- break;
- case LOV_USER_MAGIC_V3: {
+ } 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,
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));
+ 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);
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",
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)
static int find_check_comp_options(struct find_param *param)
{
- struct lov_comp_md_v1 *comp_v1;
+ 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) {
- if ((param->fp_check_comp_count &&
- !param->fp_exclude_comp_count) ||
- (param->fp_check_comp_flags &&
- !param->fp_exclude_comp_flags) ||
- (param->fp_check_comp_start &&
- !param->fp_exclude_comp_start) ||
- (param->fp_check_comp_end &&
- !param->fp_exclude_comp_end))
+ 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;
- else
- 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;
}
- comp_v1 = (struct lov_comp_md_v1 *)v1;
+ /* 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(comp_v1->lcm_entry_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)
- return ret;
- }
-
- if (comp_v1->lcm_entry_count == 0) {
- if ((param->fp_check_comp_flags &&
- !param->fp_exclude_comp_flags) ||
- (param->fp_check_comp_start &&
- !param->fp_exclude_comp_start) ||
- (param->fp_check_comp_end &&
- !param->fp_exclude_comp_end))
- return -1;
+ goto out;
}
ret = 1;
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) {
/* 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_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;
}
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;
}
/* 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);
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) {
{
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;
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");
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);
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;
- }
+ /* 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;
+ if (mdtidxp)
+ *mdtidxp = index;
- rc = ioctl(fd, opc, data);
- if (rc == -1)
- rc = -errno;
- else
- rc = 0;
- close(fd);
- return rc;
+ 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,
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];