*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/utils/liblustreapi.c
*
#include <time.h>
#include <fnmatch.h>
#include <libgen.h> /* for dirname() */
+#include <linux/limits.h>
#ifdef HAVE_LINUX_UNISTD_H
#include <linux/unistd.h>
#else
#include <linux/lustre/lustre_ostid.h>
#include <linux/lustre/lustre_ioctl.h>
#include "lustreapi_internal.h"
+#include "lstddef.h"
static int llapi_msg_level = LLAPI_MSG_MAX;
const char *liblustreapi_cmd;
-char *mdt_hash_name[] = { "none",
- LMV_HASH_NAME_ALL_CHARS,
- LMV_HASH_NAME_FNV_1A_64,
-};
-
struct lustre_foreign_type lu_foreign_types[] = {
{.lft_type = LU_FOREIGN_TYPE_NONE, .lft_name = "none"},
- {.lft_type = LU_FOREIGN_TYPE_DAOS, .lft_name = "daos"},
+ {.lft_type = LU_FOREIGN_TYPE_SYMLINK, .lft_name = "symlink"},
/* must be the last element */
{.lft_type = LU_FOREIGN_TYPE_UNKNOWN, .lft_name = NULL}
/* array max dimension must be <= UINT32_MAX */
void llapi_msg_set_level(int level)
{
- /* ensure level is in the good range */
- if (level < LLAPI_MSG_OFF)
- llapi_msg_level = LLAPI_MSG_OFF;
- else if (level > LLAPI_MSG_MAX)
- llapi_msg_level = LLAPI_MSG_MAX;
- else
- llapi_msg_level = level;
+ /* ensure level is in the good range */
+ if (level < LLAPI_MSG_OFF)
+ llapi_msg_level = LLAPI_MSG_OFF;
+ else if (level > LLAPI_MSG_MAX)
+ llapi_msg_level = LLAPI_MSG_MAX;
+ else
+ llapi_msg_level = level;
}
int llapi_msg_get_level(void)
} else {
char *newfmt;
- /* Remove trailing linefeed so error string can be appended.
+ /*
+ * Remove trailing linefeed so error string can be appended.
* @fmt is a const string, so we can't modify it directly.
*/
if (has_nl && (newfmt = strdup(fmt)))
int rc = 0;
if (page_size == 0) {
- /* 64 KB is the largest common page size (on ia64/PPC/ARM),
+ /*
+ * 64 KB is the largest common page size (on ia64/PPC/ARM),
* but check the local page size just in case. The page_size
* will not change for the lifetime of this process at least.
*/
}
if (!llapi_stripe_size_is_aligned(stripe_size)) {
rc = -EINVAL;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe_size %llu, "
- "must be an even multiple of %d bytes",
- (unsigned long long)stripe_size, page_size);
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: bad stripe_size %llu, must be an even multiple of %d bytes",
+ (unsigned long long)stripe_size, page_size);
goto out;
}
if (!llapi_stripe_index_is_valid(stripe_offset)) {
static int get_mds_md_size(const char *path)
{
- char buf[PATH_MAX], inst[PATH_MAX];
int md_size = lov_user_md_size(LOV_MAX_STRIPE_COUNT, LOV_USER_MAGIC_V3);
- int rc;
-
- rc = llapi_getname(path, inst, sizeof(inst));
- if (rc != 0)
- return rc;
- /* Get the max ea size from llite parameters. */
- rc = get_lustre_param_value("llite", inst, FILTER_BY_EXACT,
- "max_easize", buf, sizeof(buf));
- if (rc != 0)
- return rc;
+ /*
+ * Rather than open the file and do the ioctl to get the
+ * instance name and close the file and search for the param
+ * file and open the param file and read the param file and
+ * parse the value and close the param file, let's just return
+ * a large enough value. It's 2020, RAM is cheap and this is
+ * much faster.
+ */
- rc = atoi(buf);
+ if (md_size < XATTR_SIZE_MAX)
+ md_size = XATTR_SIZE_MAX;
- return rc > 0 ? rc : md_size;
+ return md_size;
}
int llapi_get_agent_uuid(char *path, char *buf, size_t bufsize)
/* Make sure we have a good pool */
if (pool_name != NULL) {
- /* in case user gives the full pool name <fsname>.<poolname>,
- * strip the fsname */
+ /*
+ * in case user gives the full pool name <fsname>.<poolname>,
+ * strip the fsname
+ */
char *ptr = strchr(pool_name, '.');
+
if (ptr != NULL) {
*ptr = '\0';
if (strcmp(pool_name, fsname) != 0) {
}
if (!found) {
llapi_error(LLAPI_MSG_ERROR, -EINVAL,
- "%s: stripe offset '%d' is not in the "
- "target list",
+ "%s: stripe offset '%d' is not in the target list",
__func__, param->lsp_stripe_offset);
return -EINVAL;
}
lumv3->lmm_magic = LOV_USER_MAGIC_SPECIFIC;
if (pool_name == NULL) {
- /* LOV_USER_MAGIC_SPECIFIC uses v3 format plus specified
+ /*
+ * LOV_USER_MAGIC_SPECIFIC uses v3 format plus specified
* OST list, therefore if pool is not specified we have
- * to pack a null pool name for placeholder. */
+ * to pack a null pool name for placeholder.
+ */
memset(lumv3->lmm_pool_name, 0, LOV_MAXPOOLNAME);
}
}
if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, lum) != 0) {
- char *errmsg = "stripe already set";
+ char errmsg[512] = "stripe already set";
rc = -errno;
if (errno != EEXIST && errno != EALREADY)
- errmsg = strerror(errno);
+ strncpy(errmsg, strerror(errno), sizeof(errmsg) - 1);
+ if (rc == -EREMOTEIO)
+ snprintf(errmsg, sizeof(errmsg),
+ "inactive OST among your specified %d OST(s)",
+ param->lsp_stripe_count);
llapi_err_noerrno(LLAPI_MSG_ERROR,
"setstripe error for '%s': %s", name, errmsg);
}
int llapi_file_open(const char *name, int flags, int mode,
- unsigned long long stripe_size, int stripe_offset,
- int stripe_count, int stripe_pattern)
+ unsigned long long stripe_size, int stripe_offset,
+ int stripe_count, int stripe_pattern)
{
- return llapi_file_open_pool(name, flags, mode, stripe_size,
- stripe_offset, stripe_count,
- stripe_pattern, NULL);
+ return llapi_file_open_pool(name, flags, mode, stripe_size,
+ stripe_offset, stripe_count,
+ stripe_pattern, NULL);
}
int llapi_file_create_foreign(const char *name, mode_t mode, __u32 type,
}
int llapi_file_create(const char *name, unsigned long long stripe_size,
- int stripe_offset, int stripe_count, int stripe_pattern)
+ int stripe_offset, int stripe_count, int stripe_pattern)
{
- int fd;
+ int fd;
- fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
- stripe_offset, stripe_count, stripe_pattern,
- NULL);
- if (fd < 0)
- return fd;
+ fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
+ stripe_offset, stripe_count, stripe_pattern,
+ NULL);
+ if (fd < 0)
+ return fd;
- close(fd);
- return 0;
+ close(fd);
+ return 0;
}
int llapi_file_create_pool(const char *name, unsigned long long stripe_size,
- int stripe_offset, int stripe_count,
- int stripe_pattern, char *pool_name)
+ int stripe_offset, int stripe_count,
+ int stripe_pattern, char *pool_name)
{
- int fd;
+ int fd;
- fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
- stripe_offset, stripe_count, stripe_pattern,
- pool_name);
- if (fd < 0)
- return fd;
+ fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
+ stripe_offset, stripe_count, stripe_pattern,
+ pool_name);
+ if (fd < 0)
+ return fd;
- close(fd);
- return 0;
+ close(fd);
+ return 0;
}
static int verify_dir_param(const char *name,
/* Make sure we have a good pool */
if (pool_name != NULL) {
- /* in case user gives the full pool name <fsname>.<poolname>,
- * strip the fsname */
+ /*
+ * in case user gives the full pool name <fsname>.<poolname>,
+ * strip the fsname
+ */
char *ptr = strchr(pool_name, '.');
if (ptr != NULL) {
}
if (!found) {
llapi_error(LLAPI_MSG_ERROR, -EINVAL,
- "%s: stripe offset '%d' is not in the "
- "target list",
+ "%s: stripe offset '%d' is not in the target list",
__func__, param->lsp_stripe_offset);
return -EINVAL;
}
lmu->lum_stripe_count = param->lsp_stripe_count;
lmu->lum_stripe_offset = param->lsp_stripe_offset;
lmu->lum_hash_type = param->lsp_stripe_pattern;
+ lmu->lum_max_inherit = param->lsp_max_inherit;
+ lmu->lum_max_inherit_rr = param->lsp_max_inherit_rr;
if (param->lsp_pool != NULL)
strncpy(lmu->lum_pool_name, param->lsp_pool, LOV_MAXPOOLNAME);
if (param->lsp_is_specific) {
rc = ioctl(fd, LL_IOC_LMV_SET_DEFAULT_STRIPE, &lmu);
if (rc < 0) {
char *errmsg = "stripe already set";
+
rc = -errno;
if (errno != EEXIST && errno != EALREADY)
errmsg = strerror(errno);
data.ioc_inlbuf2 = (char *)lmu;
data.ioc_inllen2 = lmu_size;
data.ioc_type = mode;
+ if (param->lsp_is_create)
+ /* borrow obdo1.o_flags to store this flag */
+ data.ioc_obdo1.o_flags = OBD_FL_OBDMDEXISTS;
rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
if (rc) {
llapi_error(LLAPI_MSG_ERROR, rc,
return llapi_dir_create(name, mode, ¶m);
}
-int llapi_direntry_remove(char *dname)
-{
- char *dirpath = NULL;
- char *namepath = NULL;
- char *dir;
- char *filename;
- int fd = -1;
- int rc = 0;
-
- dirpath = strdup(dname);
- namepath = strdup(dname);
- if (!dirpath || !namepath)
- return -ENOMEM;
-
- filename = basename(namepath);
-
- dir = dirname(dirpath);
-
- fd = open(dir, O_DIRECTORY | O_RDONLY);
- if (fd < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'",
- filename);
- goto out;
- }
-
- if (ioctl(fd, LL_IOC_REMOVE_ENTRY, filename))
- llapi_error(LLAPI_MSG_ERROR, errno,
- "error on ioctl %#lx for '%s' (%d)",
- (long)LL_IOC_LMV_SETSTRIPE, filename, fd);
-out:
- free(dirpath);
- free(namepath);
- if (fd != -1)
- close(fd);
- return rc;
-}
-
/*
* Find the fsname, the full path, and/or an open fd.
* Either the fsname or path must not be NULL
char buf[PATH_MAX], mntdir[PATH_MAX];
char *ptr, *ptr_end;
FILE *fp;
- int idx = 0, len = 0, mntlen, fd;
+ int idx = 0, mntlen = 0, fd;
int rc = -ENODEV;
int fsnamelen, mountlen;
- /* get the mount point */
+ /* get the mount point */
fp = setmntent(PROC_MOUNTS, "r");
if (fp == NULL) {
rc = -EIO;
"cannot retrieve filesystem mount point");
return rc;
}
- while (1) {
- if (getmntent_r(fp, &mnt, buf, sizeof(buf)) == NULL)
- break;
+ while (1) {
+ if (getmntent_r(fp, &mnt, buf, sizeof(buf)) == NULL)
+ break;
- if (!llapi_is_lustre_mnt(&mnt))
- continue;
+ if (!llapi_is_lustre_mnt(&mnt))
+ continue;
- if ((want & WANT_INDEX) && (idx++ != index))
- continue;
+ if ((want & WANT_INDEX) && (idx++ != index))
+ continue;
- mntlen = strlen(mnt.mnt_dir);
+ mntlen = strlen(mnt.mnt_dir);
ptr = strchr(mnt.mnt_fsname, '/');
while (ptr && *ptr == '/')
ptr++;
- /* thanks to the call to llapi_is_lustre_mnt() above,
+ /*
+ * thanks to the call to llapi_is_lustre_mnt() above,
* we are sure that mnt.mnt_fsname contains ":/",
- * so ptr should never be NULL */
+ * so ptr should never be NULL
+ */
if (ptr == NULL)
continue;
ptr_end = ptr;
/* Check the fsname for a match, if given */
mountlen = ptr_end - ptr;
- if (!(want & WANT_FSNAME) && fsname != NULL &&
+ if (!(want & WANT_FSNAME) && fsname != NULL &&
(fsnamelen = strlen(fsname)) > 0 &&
(fsnamelen != mountlen ||
(strncmp(ptr, fsname, mountlen) != 0)))
- continue;
+ continue;
- /* If the path isn't set return the first one we find */
+ /* If the path isn't set return the first one we find */
if (path == NULL || strlen(path) == 0) {
strncpy(mntdir, mnt.mnt_dir, sizeof(mntdir) - 1);
mntdir[sizeof(mntdir) - 1] = '\0';
rc = 0;
break;
/* Otherwise find the longest matching path */
- } else if ((strlen(path) >= mntlen) && (mntlen >= len) &&
+ } else if ((strlen(path) >= mntlen) &&
(strncmp(mnt.mnt_dir, path, mntlen) == 0)) {
+ /* check the path format */
+ if (strlen(path) > mntlen && path[mntlen] != '/')
+ continue;
strncpy(mntdir, mnt.mnt_dir, sizeof(mntdir) - 1);
mntdir[sizeof(mntdir) - 1] = '\0';
- len = mntlen;
if ((want & WANT_FSNAME) && fsname != NULL) {
strncpy(fsname, ptr, mountlen);
fsname[mountlen] = '\0';
}
rc = 0;
+ break;
}
}
endmntent(fp);
/* Found it */
if (rc == 0) {
if ((want & WANT_PATH) && path != NULL) {
- strncpy(path, mntdir, PATH_MAX);
- path[strlen(mntdir)] = '\0';
+ strncpy(path, mntdir, mntlen);
+ path[mntlen] = '\0';
}
if (want & WANT_FD) {
fd = open(mntdir, O_RDONLY | O_DIRECTORY | O_NONBLOCK);
* See function lfs_osts in lfs.c for an example of the index use.
*/
int llapi_search_mounts(const char *pathname, int index, char *mntdir,
- char *fsname)
+ char *fsname)
{
- int want = WANT_PATH, idx = -1;
+ int want = WANT_PATH, idx = -1;
- if (!pathname || pathname[0] == '\0') {
- want |= WANT_INDEX;
- idx = index;
- } else
- strcpy(mntdir, pathname);
+ if (!pathname || pathname[0] == '\0') {
+ want |= WANT_INDEX;
+ idx = index;
+ } else {
+ strcpy(mntdir, pathname);
+ }
- if (fsname)
- want |= WANT_FSNAME;
- return get_root_path(want, fsname, NULL, mntdir, idx);
+ if (fsname)
+ want |= WANT_FSNAME;
+ return get_root_path(want, fsname, NULL, mntdir, idx);
}
/* Given a path, find the corresponding Lustre fsname */
int llapi_search_fsname(const char *pathname, char *fsname)
{
- char *path;
- int rc;
+ char *path;
+ int rc;
- path = realpath(pathname, NULL);
- if (path == NULL) {
+ path = realpath(pathname, NULL);
+ if (path == NULL) {
char tmp[PATH_MAX - 1];
char buf[PATH_MAX];
char *ptr;
tmp[0] = '\0';
buf[0] = '\0';
if (pathname[0] != '/') {
- /* Need an absolute path, but realpath() only works for
+ /*
+ * Need an absolute path, but realpath() only works for
* pathnames that actually exist. We go through the
* extra hurdle of dirname(getcwd() + pathname) in
- * case the relative pathname contains ".." in it. */
+ * case the relative pathname contains ".." in it.
+ */
char realpath[PATH_MAX - 1];
if (getcwd(realpath, sizeof(realpath) - 2) == NULL) {
int llapi_search_rootpath(char *pathname, const char *fsname)
{
- /* pathname can be used as an argument by get_root_path(),
- * clear it for safety */
+ /*
+ * pathname can be used as an argument by get_root_path(),
+ * clear it for safety
+ */
pathname[0] = 0;
return get_root_path(WANT_PATH, (char *)fsname, NULL, pathname, -1);
}
* \retval -error failure
*/
int llapi_get_poolmembers(const char *poolname, char **members,
- int list_size, char *buffer, int buffer_size)
+ int list_size, char *buffer, int buffer_size)
{
char fsname[PATH_MAX];
char *pool, *tmp;
return rc;
}
- rc = 0;
- while (fgets(buf, sizeof(buf), fd) != NULL) {
- if (nb_entries >= list_size) {
- rc = -EOVERFLOW;
- break;
- }
+ rc = 0;
+ while (fgets(buf, sizeof(buf), fd) != NULL) {
+ if (nb_entries >= list_size) {
+ rc = -EOVERFLOW;
+ break;
+ }
buf[sizeof(buf) - 1] = '\0';
- /* remove '\n' */
- tmp = strchr(buf, '\n');
- if (tmp != NULL)
- *tmp='\0';
- if (used + strlen(buf) + 1 > buffer_size) {
- rc = -EOVERFLOW;
- break;
- }
-
- strcpy(buffer + used, buf);
- members[nb_entries] = buffer + used;
- used += strlen(buf) + 1;
- nb_entries++;
- rc = nb_entries;
- }
-
- fclose(fd);
- return rc;
+ /* remove '\n' */
+ tmp = strchr(buf, '\n');
+ if (tmp != NULL)
+ *tmp = '\0';
+ if (used + strlen(buf) + 1 > buffer_size) {
+ rc = -EOVERFLOW;
+ break;
+ }
+
+ strcpy(buffer + used, buf);
+ members[nb_entries] = buffer + used;
+ used += strlen(buf) + 1;
+ nb_entries++;
+ rc = nb_entries;
+ }
+
+ fclose(fd);
+ return rc;
}
/**
* \retval -error failure
*/
int llapi_get_poollist(const char *name, char **poollist, int list_size,
- char *buffer, int buffer_size)
+ char *buffer, int buffer_size)
{
glob_t pathname;
char *fsname;
goto free_dir;
}
- /* ignore . and .. */
+ /* ignore . and .. */
if (!strcmp(pool->d_name, ".") || !strcmp(pool->d_name, ".."))
- continue;
+ continue;
- /* check output bounds */
+ /* check output bounds */
if (nb_entries >= list_size) {
rc = -EOVERFLOW;
goto free_dir_no_msg;
}
- /* +2 for '.' and final '\0' */
+ /* +2 for '.' and final '\0' */
if (used + strlen(pool->d_name) + strlen(fsname) + 2
> buffer_size) {
rc = -EOVERFLOW;
}
sprintf(buffer + used, "%s.%s", fsname, pool->d_name);
- poollist[nb_entries] = buffer + used;
+ poollist[nb_entries] = buffer + used;
used += strlen(pool->d_name) + strlen(fsname) + 2;
- nb_entries++;
+ nb_entries++;
} while (1);
free_dir:
/* wrapper for lfs.c and obd.c */
int llapi_poollist(const char *name)
{
- /* list of pool names (assume that pool count is smaller
- than OST count) */
+ /*
+ * list of pool names (assume that pool count is smaller
+ * than OST count)
+ */
char **list, *buffer = NULL, *fsname = (char *)name;
char *poolname = NULL, *tmp = NULL, data[16];
enum param_filter type = FILTER_BY_PATH;
goto err;
obdcount = atoi(data);
- /* Allocate space for each fsname-OST0000_UUID, 1 per OST,
- * and also an array to store the pointers for all that
- * allocated space. */
+ /*
+ * Allocate space for each fsname-OST0000_UUID, 1 per OST,
+ * and also an array to store the pointers for all that
+ * allocated space.
+ */
retry_get_pools:
- bufsize = sizeof(struct obd_uuid) * obdcount;
- buffer = realloc(tmp, bufsize + sizeof(*list) * obdcount);
- if (buffer == NULL) {
- rc = -ENOMEM;
- goto err;
- }
- list = (char **) (buffer + bufsize);
-
- if (!poolname) {
- /* name is a path or fsname */
- nb = llapi_get_poollist(name, list, obdcount,
- buffer, bufsize);
- } else {
-
/* name is a pool name (<fsname>.<poolname>) */
- nb = llapi_get_poolmembers(name, list, obdcount,
- buffer, bufsize);
- }
-
- if (nb == -EOVERFLOW) {
- obdcount *= 2;
- tmp = buffer;
- goto retry_get_pools;
- }
-
- for (i = 0; i < nb; i++)
- llapi_printf(LLAPI_MSG_NORMAL, "%s\n", list[i]);
- rc = (nb < 0 ? nb : 0);
+ bufsize = sizeof(struct obd_uuid) * obdcount;
+ buffer = realloc(tmp, bufsize + sizeof(*list) * obdcount);
+ if (buffer == NULL) {
+ rc = -ENOMEM;
+ goto err;
+ }
+ list = (char **) (buffer + bufsize);
+
+ if (!poolname) {
+ /* name is a path or fsname */
+ nb = llapi_get_poollist(name, list, obdcount,
+ buffer, bufsize);
+ } else {
+ /* name is a pool name (<fsname>.<poolname>) */
+ nb = llapi_get_poolmembers(name, list, obdcount,
+ buffer, bufsize);
+ }
+
+ if (nb == -EOVERFLOW) {
+ obdcount *= 2;
+ tmp = buffer;
+ goto retry_get_pools;
+ }
+
+ for (i = 0; i < nb; i++)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", list[i]);
+ rc = (nb < 0 ? nb : 0);
err:
- if (buffer)
- free(buffer);
+ if (buffer)
+ free(buffer);
if (fsname != NULL && type == FILTER_BY_FS_NAME)
free(fsname);
return rc;
}
-typedef int (semantic_func_t)(char *path, DIR *parent, DIR **d,
+typedef int (semantic_func_t)(char *path, int p, int *d,
void *data, struct dirent64 *de);
#define OBD_NOT_FOUND (-1)
return 0;
}
-static int cb_common_fini(char *path, DIR *parent, DIR **dirp, void *data,
+static int cb_common_fini(char *path, int p, int *dp, void *data,
struct dirent64 *de)
{
struct find_param *param = data;
- param->fp_depth--;
+ param->fp_depth--;
return 0;
}
/* set errno upon failure */
-static DIR *opendir_parent(const char *path)
+static int open_parent(const char *path)
{
char *path_copy;
char *parent_path;
- DIR *parent;
+ int parent;
path_copy = strdup(path);
if (path_copy == NULL)
- return NULL;
+ return -1;
parent_path = dirname(path_copy);
- parent = opendir(parent_path);
+ parent = open(parent_path, O_RDONLY|O_NDELAY|O_DIRECTORY);
free(path_copy);
return parent;
}
-static int cb_get_dirstripe(char *path, DIR *d, struct find_param *param)
+static int cb_get_dirstripe(char *path, int *d, struct find_param *param)
{
int ret;
+ bool did_nofollow = false;
again:
param->fp_lmv_md->lum_stripe_count = param->fp_lmv_stripe_count;
else
param->fp_lmv_md->lum_magic = LMV_MAGIC_V1;
- ret = ioctl(dirfd(d), LL_IOC_LMV_GETSTRIPE, param->fp_lmv_md);
+ ret = ioctl(*d, LL_IOC_LMV_GETSTRIPE, param->fp_lmv_md);
+
+ /* if ENOTTY likely to be a fake symlink, so try again after
+ * new open() with O_NOFOLLOW, but only once to prevent any
+ * loop like for the path of a file/dir not on Lustre !!
+ */
+ if (ret < 0 && errno == ENOTTY && !did_nofollow) {
+ int fd, ret2;
+
+ did_nofollow = true;
+ fd = open(path, O_RDONLY | O_NOFOLLOW);
+ if (fd < 0) {
+ /* restore original errno */
+ errno = ENOTTY;
+ return ret;
+ }
+
+ /* close original fd and set new */
+ close(*d);
+ *d = fd;
+ ret2 = ioctl(fd, LL_IOC_LMV_GETSTRIPE, param->fp_lmv_md);
+ if (ret2 < 0 && errno != E2BIG) {
+ /* restore original errno */
+ errno = ENOTTY;
+ return ret;
+ }
+ /* LMV is ok or need to handle E2BIG case now */
+ ret = ret2;
+ }
+
if (errno == E2BIG && ret != 0) {
int stripe_count;
int lmv_size;
stripe_count = lmv_foreign_to_md_stripes(size);
} else {
llapi_error(LLAPI_MSG_ERROR, -EINVAL,
- "error: invalid %d foreign size "
- "returned from ioctl",
+ "error: invalid %d foreign size returned from ioctl",
lfm->lfm_length);
return -EINVAL;
}
return -EINVAL;
if (dir_fd >= 0) {
- /* LL_IOC_MDC_GETINFO operates on the current directory inode
+ /*
+ * LL_IOC_MDC_GETINFO operates on the current directory inode
* and returns struct lov_user_mds_data, while
* LL_IOC_LOV_GETSTRIPE returns only struct lov_user_md.
*/
if (type == GET_LMD_INFO)
- cmd = use_old_ioctl ? LL_IOC_MDC_GETINFO_OLD :
- LL_IOC_MDC_GETINFO;
+ cmd = use_old_ioctl ? LL_IOC_MDC_GETINFO_V1 :
+ LL_IOC_MDC_GETINFO_V2;
else
cmd = LL_IOC_LOV_GETSTRIPE;
retry_getinfo:
ret = ioctl(dir_fd, cmd, lmdbuf);
- if (ret < 0 && errno == ENOTTY && cmd == LL_IOC_MDC_GETINFO) {
- cmd = LL_IOC_MDC_GETINFO_OLD;
+ if (ret < 0 && errno == ENOTTY &&
+ cmd == LL_IOC_MDC_GETINFO_V2) {
+ cmd = LL_IOC_MDC_GETINFO_V1;
use_old_ioctl = true;
goto retry_getinfo;
}
- if (cmd == LL_IOC_MDC_GETINFO_OLD && !ret)
+ if (cmd == LL_IOC_MDC_GETINFO_V1 && !ret)
ret = convert_lmdbuf_v1v2(lmdbuf, lmdlen);
+
+ if (ret < 0 && errno == ENOTTY && type == GET_LMD_STRIPE) {
+ int dir_fd2;
+
+ /* retry ioctl() after new open() with O_NOFOLLOW
+ * just in case it could be a fake symlink
+ * need using a new open() as dir_fd is being closed
+ * by caller
+ */
+
+ dir_fd2 = open(path, O_RDONLY | O_NDELAY | O_NOFOLLOW);
+ if (dir_fd2 < 0) {
+ /* return original error */
+ errno = ENOTTY;
+ } else {
+ ret = ioctl(dir_fd2, cmd, lmdbuf);
+ /* pass new errno or success back to caller */
+
+ close(dir_fd2);
+ }
+ }
+
} else if (parent_fd >= 0) {
const char *fname = strrchr(path, '/');
- /* IOC_MDC_GETFILEINFO takes as input the filename (relative to
+ /*
+ * IOC_MDC_GETFILEINFO takes as input the filename (relative to
* the parent directory) and returns struct lov_user_mds_data,
* while IOC_MDC_GETFILESTRIPE returns only struct lov_user_md.
*
errno = EINVAL;
else {
if (type == GET_LMD_INFO)
- cmd = use_old_ioctl ? IOC_MDC_GETFILEINFO_OLD :
- IOC_MDC_GETFILEINFO;
+ cmd = use_old_ioctl ? IOC_MDC_GETFILEINFO_V1 :
+ IOC_MDC_GETFILEINFO_V2;
else
cmd = IOC_MDC_GETFILESTRIPE;
retry_getfileinfo:
ret = ioctl(parent_fd, cmd, lmdbuf);
if (ret < 0 && errno == ENOTTY &&
- cmd == IOC_MDC_GETFILEINFO) {
- cmd = IOC_MDC_GETFILEINFO_OLD;
+ cmd == IOC_MDC_GETFILEINFO_V2) {
+ cmd = IOC_MDC_GETFILEINFO_V1;
use_old_ioctl = true;
goto retry_getfileinfo;
}
- if (cmd == IOC_MDC_GETFILEINFO_OLD && !ret)
+ if (cmd == IOC_MDC_GETFILEINFO_V1 && !ret)
ret = convert_lmdbuf_v1v2(lmdbuf, lmdlen);
}
}
if (errno == ENOTTY) {
lstat_t st;
- /* ioctl is not supported, it is not a lustre fs.
+ /*
+ * ioctl is not supported, it is not a lustre fs.
* Do the regular lstat(2) instead.
*/
ret = lstat_f(path, &st);
}
convert_lmd_statx(lmd, &st, true);
- /* It may be wrong to set use_old_ioctl with true as
+ /*
+ * It may be wrong to set use_old_ioctl with true as
* the file is not a lustre fs. So reset it with false
* directly here.
*/
return ret;
}
-static int get_lmd_info(char *path, DIR *parent, DIR *dir, void *lmdbuf,
- int lmdlen, enum get_lmd_info_type type)
-{
- int parent_fd = -1;
- int dir_fd = -1;
-
- if (parent)
- parent_fd = dirfd(parent);
- if (dir)
- dir_fd = dirfd(dir);
-
- return get_lmd_info_fd(path, parent_fd, dir_fd, lmdbuf, lmdlen, type);
-}
-
-static int llapi_semantic_traverse(char *path, int size, DIR *parent,
+static int llapi_semantic_traverse(char *path, int size, int parent,
semantic_func_t sem_init,
semantic_func_t sem_fini, void *data,
struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
struct dirent64 *dent;
- int len, ret;
- DIR *d, *p = NULL;
+ int len, ret, d, p = -1;
+ DIR *dir = NULL;
ret = 0;
len = strlen(path);
- d = opendir(path);
- if (!d && errno != ENOTDIR) {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret, "%s: Failed to open '%s'",
- __func__, path);
- return ret;
- } else if (!d && !parent) {
- /* ENOTDIR. Open the parent dir. */
- p = opendir_parent(path);
- if (!p) {
- ret = -errno;
- goto out;
+ d = open(path, O_RDONLY|O_NDELAY|O_DIRECTORY);
+ /* if an invalid fake dir symlink, opendir() will return EINVAL
+ * instead of ENOTDIR. If a valid but dangling faked or real file/dir
+ * symlink ENOENT will be returned. For a valid/resolved fake or real
+ * file symlink ENOTDIR will be returned as for a regular file.
+ * opendir() will be successful for a valid and resolved fake or real
+ * dir simlink or a regular dir.
+ */
+ if (d == -1 && errno != ENOTDIR && errno != EINVAL && errno != ENOENT) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret, "%s: Failed to open '%s'",
+ __func__, path);
+ return ret;
+ } else if (d == -1) {
+ if (errno == ENOENT || errno == EINVAL) {
+ int old_errno = errno;
+
+ /* try to open with O_NOFOLLOW this will help
+ * differentiate fake vs real symlinks
+ * it is ok to not use O_DIRECTORY with O_RDONLY
+ * and it will prevent the need to deal with ENOTDIR
+ * error, instead of ELOOP, being returned by recent
+ * kernels for real symlinks
+ */
+ d = open(path, O_RDONLY|O_NDELAY|O_NOFOLLOW);
+ /* if a dangling real symlink should return ELOOP, or
+ * again ENOENT if really non-existing path, or E...??
+ * So return original error. If success or ENOTDIR, path
+ * is likely to be a fake dir/file symlink, so continue
+ */
+ if (d == -1) {
+ ret = -old_errno;
+ goto out;
+ }
+
}
- }
- if (sem_init && (ret = sem_init(path, parent ?: p, &d, data, de)))
- goto err;
+ /* ENOTDIR */
+ if (parent == -1 && d == -1) {
+ /* Open the parent dir. */
+ p = open_parent(path);
+ if (p == -1) {
+ ret = -errno;
+ goto out;
+ }
+ }
+ } else { /* d != -1 */
+ int d2;
- if (d == NULL)
+ /* try to reopen dir with O_NOFOLLOW just in case of a foreign
+ * symlink dir
+ */
+ d2 = open(path, O_RDONLY|O_NDELAY|O_NOFOLLOW);
+ if (d2 != -1) {
+ close(d);
+ d = d2;
+ } else {
+ /* continue with d */
+ errno = 0;
+ }
+ }
+
+ if (sem_init) {
+ ret = sem_init(path, (parent != -1) ? parent : p, &d, data, de);
+ if (ret)
+ goto err;
+ }
+
+ if (d == -1)
goto out;
- while ((dent = readdir64(d)) != NULL) {
+ dir = fdopendir(d);
+ if (dir == NULL) {
+ /* ENOTDIR if fake symlink, do not consider it as an error */
+ if (errno != ENOTDIR)
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "fdopendir() failed");
+ else
+ errno = 0;
+
+ goto out;
+ }
+
+ while ((dent = readdir64(dir)) != NULL) {
int rc;
if (!strcmp(dent->d_name, ".") || !strcmp(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__);
+ "error: %s: string buffer too small for %s",
+ __func__, path);
break;
}
strcat(path, "/");
strcat(path, dent->d_name);
if (dent->d_type == DT_UNKNOWN) {
- lstatx_t *stx = ¶m->fp_lmd->lmd_stx;
+ struct lov_user_mds_data *lmd = param->fp_lmd;
- rc = get_lmd_info(path, d, NULL, param->fp_lmd,
- param->fp_lum_size, GET_LMD_INFO);
+ rc = get_lmd_info_fd(path, d, -1, param->fp_lmd,
+ param->fp_lum_size, GET_LMD_INFO);
if (rc == 0)
- dent->d_type = IFTODT(stx->stx_mode);
+ dent->d_type = IFTODT(lmd->lmd_stx.stx_mode);
else if (ret == 0)
ret = rc;
if (rc == -ENOENT)
continue;
}
- switch (dent->d_type) {
- case DT_UNKNOWN:
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error: %s: '%s' is UNKNOWN type %d",
- __func__, dent->d_name, dent->d_type);
- break;
+ switch (dent->d_type) {
+ case DT_UNKNOWN:
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: '%s' is UNKNOWN type %d",
+ __func__, dent->d_name, dent->d_type);
+ break;
case DT_DIR:
rc = llapi_semantic_traverse(path, size, d, sem_init,
sem_fini, data, dent);
}
if (sem_fini && rc == 0)
sem_fini(path, d, NULL, data, dent);
- }
- }
+ }
+ }
out:
- path[len] = 0;
+ path[len] = 0;
if (sem_fini)
sem_fini(path, parent, &d, data, de);
err:
- if (d)
- closedir(d);
- if (p)
- closedir(p);
+ if (d != -1) {
+ if (dir)
+ closedir(dir);
+ else
+ close(d);
+ }
+ if (p != -1)
+ close(p);
return ret;
}
static int param_callback(char *path, semantic_func_t sem_init,
- semantic_func_t sem_fini, struct find_param *param)
+ semantic_func_t sem_fini, struct find_param *param)
{
- int ret, len = strlen(path);
- char *buf;
+ int ret, len = strlen(path);
+ char *buf;
- if (len > PATH_MAX) {
- ret = -EINVAL;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "Path name '%s' is too long", path);
- return ret;
- }
+ if (len > PATH_MAX) {
+ ret = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "Path name '%s' is too long", path);
+ return ret;
+ }
- buf = (char *)malloc(PATH_MAX + 1);
- if (!buf)
- return -ENOMEM;
+ buf = (char *)malloc(2 * PATH_MAX);
+ if (!buf)
+ return -ENOMEM;
snprintf(buf, PATH_MAX + 1, "%s", path);
- ret = common_param_init(param, buf);
- if (ret)
- goto out;
+ ret = common_param_init(param, buf);
+ if (ret)
+ goto out;
param->fp_depth = 0;
- ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, sem_init,
- sem_fini, param, NULL);
+ ret = llapi_semantic_traverse(buf, 2 * PATH_MAX, -1, sem_init,
+ sem_fini, param, NULL);
out:
- find_param_fini(param);
- free(buf);
- return ret < 0 ? ret : 0;
+ find_param_fini(param);
+ free(buf);
+ return ret < 0 ? ret : 0;
}
int llapi_file_fget_lov_uuid(int fd, struct obd_uuid *lov_name)
{
- int rc = ioctl(fd, OBD_IOC_GETNAME, lov_name);
+ int rc;
+ rc = ioctl(fd, OBD_IOC_GETDTNAME, lov_name);
+ if (rc && errno == ENOTTY)
+ rc = ioctl(fd, OBD_IOC_GETNAME_OLD, lov_name);
if (rc) {
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc, "cannot get lov name");
}
+
return rc;
}
int llapi_file_fget_lmv_uuid(int fd, struct obd_uuid *lov_name)
{
- int rc = ioctl(fd, OBD_IOC_GETMDNAME, lov_name);
- if (rc) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lmv name.");
- }
- return rc;
+ int rc;
+
+ rc = ioctl(fd, OBD_IOC_GETMDNAME, lov_name);
+ if (rc) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lmv name.");
+ }
+
+ return rc;
}
int llapi_file_get_lov_uuid(const char *path, struct obd_uuid *lov_uuid)
{
int fd, rc;
- fd = open(path, O_RDONLY | O_NONBLOCK);
+ /* do not follow faked symlinks */
+ fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
if (fd < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "cannot open '%s'", path);
- return rc;
+ /* real symlink should have failed with ELOOP so retry without
+ * O_NOFOLLOW just in case
+ */
+ fd = open(path, O_RDONLY | O_NONBLOCK);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "cannot open '%s'",
+ path);
+ return rc;
+ }
}
rc = llapi_file_fget_lov_uuid(fd, lov_uuid);
}
enum tgt_type {
- LOV_TYPE = 1,
- LMV_TYPE
+ LOV_TYPE = 1,
+ LMV_TYPE
};
/*
* the ost_count set to number of available obd uuids.
*/
static int llapi_get_target_uuids(int fd, struct obd_uuid *uuidp,
- int *ost_count, enum tgt_type type)
+ int *ost_count, enum tgt_type type)
{
char buf[PATH_MAX], format[32];
int rc = 0, index = 0;
while (fgets(buf, sizeof(buf), fp) != NULL) {
if (uuidp && (index < *ost_count)) {
if (sscanf(buf, format, &index, uuidp[index].uuid) < 2)
- break;
- }
- index++;
- }
+ break;
+ }
+ index++;
+ }
- fclose(fp);
+ fclose(fp);
- if (uuidp && (index > *ost_count))
- rc = -EOVERFLOW;
+ if (uuidp && (index > *ost_count))
+ rc = -EOVERFLOW;
*ost_count = index;
free_param:
int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
{
- return llapi_get_target_uuids(fd, uuidp, ost_count, LOV_TYPE);
+ return llapi_get_target_uuids(fd, uuidp, ost_count, LOV_TYPE);
}
int llapi_get_obd_count(char *mnt, int *count, int is_mdt)
return rc;
}
-/* Check if user specified value matches a real uuid. Ignore _UUID,
+/*
+ * Check if user specified value matches a real uuid. Ignore _UUID,
* -osc-4ba41334, other trailing gunk in comparison.
* @param real_uuid ends in "_UUID"
* @param search_uuid may or may not end in "_UUID"
*/
int llapi_uuid_match(char *real_uuid, char *search_uuid)
{
- int cmplen = strlen(real_uuid);
- int searchlen = strlen(search_uuid);
+ int cmplen = strlen(real_uuid);
+ int searchlen = strlen(search_uuid);
- if (cmplen > 5 && strcmp(real_uuid + cmplen - 5, "_UUID") == 0)
- cmplen -= 5;
- if (searchlen > 5 && strcmp(search_uuid + searchlen - 5, "_UUID") == 0)
- searchlen -= 5;
+ if (cmplen > 5 && strcmp(real_uuid + cmplen - 5, "_UUID") == 0)
+ cmplen -= 5;
+ if (searchlen > 5 && strcmp(search_uuid + searchlen - 5, "_UUID") == 0)
+ searchlen -= 5;
- /* The UUIDs may legitimately be different lengths, if
- * the system was upgraded from an older version. */
- if (cmplen != searchlen)
- return 0;
+ /*
+ * The UUIDs may legitimately be different lengths, if
+ * the system was upgraded from an older version.
+ */
+ if (cmplen != searchlen)
+ return 0;
- return (strncmp(search_uuid, real_uuid, cmplen) == 0);
+ return (strncmp(search_uuid, real_uuid, cmplen) == 0);
}
-/* Here, param->fp_obd_uuid points to a single obduuid, the index of which is
- * returned in param->fp_obd_index */
+/*
+ * Here, param->fp_obd_uuid points to a single obduuid, the index of which is
+ * returned in param->fp_obd_index
+ */
static int setup_obd_uuid(int fd, char *dname, struct find_param *param)
{
struct obd_uuid obd_uuid;
}
param->fp_obds_printed = 1;
- fclose(fp);
+ fclose(fp);
if (param->fp_obd_uuid && (param->fp_obd_index == OBD_NOT_FOUND)) {
llapi_err_noerrno(LLAPI_MSG_ERROR,
return rc;
}
-/* In this case, param->fp_obd_uuid will be an array of obduuids and
+/*
+ * In this case, param->fp_obd_uuid will be an array of obduuids and
* obd index for all these obduuids will be returned in
- * param->fp_obd_indexes */
-static int setup_indexes(DIR *dir, char *path, struct obd_uuid *obduuids,
- int num_obds, int **obdindexes, int *obdindex,
- enum tgt_type type)
+ * param->fp_obd_indexes
+ */
+static int setup_indexes(int d, char *path, struct obd_uuid *obduuids,
+ int num_obds, int **obdindexes, int *obdindex,
+ enum tgt_type type)
{
int ret, obdcount, obd_valid = 0, obdnum;
long i;
- struct obd_uuid *uuids = NULL;
- char buf[16];
- int *indexes;
+ struct obd_uuid *uuids = NULL;
+ char buf[16];
+ int *indexes;
if (type == LOV_TYPE)
ret = get_param_lov(path, "numobd", buf, sizeof(buf));
return -ENOMEM;
retry_get_uuids:
- ret = llapi_get_target_uuids(dirfd(dir), uuids, &obdcount, type);
+ ret = llapi_get_target_uuids(d, uuids, &obdcount, type);
if (ret) {
if (ret == -EOVERFLOW) {
struct obd_uuid *uuids_temp;
goto out_free;
}
- indexes = malloc(num_obds * sizeof(*obdindex));
- if (indexes == NULL) {
- ret = -ENOMEM;
- goto out_free;
- }
-
- for (obdnum = 0; obdnum < num_obds; obdnum++) {
- char *end = NULL;
-
- /* The user may have specified a simple index */
- i = strtol(obduuids[obdnum].uuid, &end, 0);
- if (end && *end == '\0' && i < obdcount) {
- indexes[obdnum] = i;
- obd_valid++;
- } else {
- for (i = 0; i < obdcount; i++) {
- if (llapi_uuid_match(uuids[i].uuid,
- obduuids[obdnum].uuid)) {
- indexes[obdnum] = i;
- obd_valid++;
- break;
- }
- }
- }
+ indexes = malloc(num_obds * sizeof(*obdindex));
+ if (indexes == NULL) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
+
+ for (obdnum = 0; obdnum < num_obds; obdnum++) {
+ char *end = NULL;
+
+ /* The user may have specified a simple index */
+ i = strtol(obduuids[obdnum].uuid, &end, 0);
+ if (end && *end == '\0' && i < obdcount) {
+ indexes[obdnum] = i;
+ obd_valid++;
+ } else {
+ for (i = 0; i < obdcount; i++) {
+ if (llapi_uuid_match(uuids[i].uuid,
+ obduuids[obdnum].uuid)) {
+ indexes[obdnum] = i;
+ obd_valid++;
+ break;
+ }
+ }
+ }
if (i >= obdcount) {
indexes[obdnum] = OBD_NOT_FOUND;
llapi_err_noerrno(LLAPI_MSG_ERROR,
}
}
- if (obd_valid == 0)
- *obdindex = OBD_NOT_FOUND;
- else
- *obdindex = obd_valid;
+ if (obd_valid == 0)
+ *obdindex = OBD_NOT_FOUND;
+ else
+ *obdindex = obd_valid;
- *obdindexes = indexes;
+ *obdindexes = indexes;
out_free:
- if (uuids)
- free(uuids);
+ if (uuids)
+ free(uuids);
- return ret;
+ return ret;
}
-static int setup_target_indexes(DIR *dir, char *path, struct find_param *param)
+static int setup_target_indexes(int d, char *path, struct find_param *param)
{
- int ret = 0;
+ int ret = 0;
if (param->fp_mdt_uuid) {
- ret = setup_indexes(dir, path, param->fp_mdt_uuid,
+ ret = setup_indexes(d, path, param->fp_mdt_uuid,
param->fp_num_mdts,
¶m->fp_mdt_indexes,
¶m->fp_mdt_index, LMV_TYPE);
}
if (param->fp_obd_uuid) {
- ret = setup_indexes(dir, path, param->fp_obd_uuid,
+ ret = setup_indexes(d, path, param->fp_obd_uuid,
param->fp_num_obds,
¶m->fp_obd_indexes,
¶m->fp_obd_index, LOV_TYPE);
* using pathname.
*/
static int sattr_get_defaults(const char *const fsname,
- unsigned int *scount,
- unsigned int *ssize,
- unsigned int *soffset)
+ unsigned int *scount,
+ unsigned int *ssize,
+ unsigned int *soffset)
{
char val[PATH_MAX];
int rc;
const char *const pathname, unsigned int *scount,
unsigned int *ssize, unsigned int *soffset)
{
- static struct {
- char fsname[PATH_MAX + 1];
- unsigned int stripecount;
- unsigned int stripesize;
- unsigned int stripeoffset;
- } cache = {
- .fsname = {'\0'}
- };
-
- int rc;
- char fsname_buf[PATH_MAX + 1];
- unsigned int tmp[3];
-
- if (fsname == NULL) {
- rc = llapi_search_fsname(pathname, fsname_buf);
- if (rc)
- return rc;
- } else {
+ static struct {
+ char fsname[PATH_MAX + 1];
+ unsigned int stripecount;
+ unsigned int stripesize;
+ unsigned int stripeoffset;
+ } cache = {
+ .fsname = {'\0'}
+ };
+
+ int rc;
+ char fsname_buf[PATH_MAX + 1];
+ unsigned int tmp[3];
+
+ if (fsname == NULL) {
+ rc = llapi_search_fsname(pathname, fsname_buf);
+ if (rc)
+ return rc;
+ } else {
snprintf(fsname_buf, sizeof(fsname_buf), "%s", fsname);
- }
+ }
if (strncmp(fsname_buf, cache.fsname, sizeof(fsname_buf) - 1) != 0) {
- /*
- * Ensure all 3 sattrs (count, size, and offset) are
- * successfully retrieved and stored in tmp before writing to
- * cache.
- */
+ /*
+ * Ensure all 3 sattrs (count, size, and offset) are
+ * successfully retrieved and stored in tmp before writing to
+ * cache.
+ */
rc = sattr_get_defaults(fsname_buf, &tmp[0], &tmp[1], &tmp[2]);
- if (rc != 0)
- return rc;
+ if (rc != 0)
+ return rc;
- cache.stripecount = tmp[0];
- cache.stripesize = tmp[1];
- cache.stripeoffset = tmp[2];
+ cache.stripecount = tmp[0];
+ cache.stripesize = tmp[1];
+ cache.stripeoffset = tmp[2];
snprintf(cache.fsname, sizeof(cache.fsname), "%s", fsname_buf);
- }
+ }
- if (scount)
- *scount = cache.stripecount;
- if (ssize)
- *ssize = cache.stripesize;
- if (soffset)
- *soffset = cache.stripeoffset;
+ if (scount)
+ *scount = cache.stripecount;
+ if (ssize)
+ *ssize = cache.stripesize;
+ if (soffset)
+ *soffset = cache.stripeoffset;
- return 0;
+ return 0;
}
static char *layout2name(__u32 layout_pattern)
if (verbose & ~VERBOSE_DFID)
llapi_printf(LLAPI_MSG_NORMAL, "%slmm_fid: ",
space);
- /* This needs a bit of hand-holding since old 1.x lmm_oi
+ /*
+ * This needs a bit of hand-holding since old 1.x lmm_oi
* have { oi.oi_id = mds_inum, oi.oi_seq = 0 } and 2.x lmm_oi
* have { oi.oi_id = mds_oid, oi.oi_seq = mds_seq } instead of
* a real FID. Ideally the 2.x code would have stored this
* oi_fid fields are in the right order. This is why there are
* separate lmm_oi_seq() and lmm_oi_id() routines for this.
*
- * For newer layout types hopefully this will be a real FID. */
+ * For newer layout types hopefully this will be a real FID.
+ */
seq = lmm_oi_seq(&lum->lmm_oi) == 0 ?
lmm_oi_id(&lum->lmm_oi) : lmm_oi_seq(&lum->lmm_oi);
oid = lmm_oi_seq(&lum->lmm_oi) == 0 ?
if (!is_raw && lum->lmm_stripe_count == 0 &&
lov_pattern(lum->lmm_pattern) != LOV_PATTERN_MDT) {
unsigned int scount;
+
rc = sattr_cache_get_defaults(NULL, path,
&scount, NULL,
NULL);
scount);
else
llapi_error(LLAPI_MSG_ERROR, rc,
- "Cannot determine default"
- " stripe count.");
+ "Cannot determine default stripe count.");
} else {
llapi_printf(LLAPI_MSG_NORMAL, "%d",
extension ? 0 :
space, prefix);
if (is_dir && !is_raw && lum->lmm_stripe_size == 0) {
unsigned int ssize;
+
rc = sattr_cache_get_defaults(NULL, path, NULL, &ssize,
NULL);
if (rc == 0)
llapi_printf(LLAPI_MSG_NORMAL, "%u", ssize);
else
llapi_error(LLAPI_MSG_ERROR, rc,
- "Cannot determine default"
- " stripe size.");
+ "Cannot determine default stripe size.");
} else {
/* Extension size is in KiB */
llapi_printf(LLAPI_MSG_NORMAL, "%llu",
space, i, idx, PFID(&fid));
} else {
char fmt[48];
+
sprintf(fmt, "%s%s%s\n",
"\t%6u\t%14llu\t%#13llx\t",
(fid_seq_is_rsvd(gr) ||
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_STRIPE_COUNT)
llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_count: ");
- llapi_printf(LLAPI_MSG_NORMAL, "%u",
+ llapi_printf(LLAPI_MSG_NORMAL, "%d",
(int)lum->lum_stripe_count);
if ((verbose & VERBOSE_STRIPE_OFFSET) && !yaml)
separator = " ";
llapi_printf(LLAPI_MSG_NORMAL, ",bad_type");
if (flags & LMV_HASH_FLAG_LOST_LMV)
llapi_printf(LLAPI_MSG_NORMAL, ",lost_lmv");
- separator = "\n";
+ if (verbose & VERBOSE_HASH_TYPE && !yaml)
+ separator = " ";
+ else
+ separator = "\n";
+ }
+
+ if ((verbose & VERBOSE_INHERIT) && lum->lum_magic == LMV_USER_MAGIC) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_INHERIT)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmv_max_inherit: ");
+ if (lum->lum_max_inherit == LMV_INHERIT_UNLIMITED)
+ llapi_printf(LLAPI_MSG_NORMAL, "-1");
+ else if (lum->lum_max_inherit == LMV_INHERIT_NONE)
+ llapi_printf(LLAPI_MSG_NORMAL, "0");
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "%hhu",
+ lum->lum_max_inherit);
+ if (verbose & VERBOSE_INHERIT && !yaml)
+ separator = " ";
+ else
+ separator = "\n";
+ }
+
+ if ((verbose & VERBOSE_INHERIT_RR) &&
+ lum->lum_magic == LMV_USER_MAGIC &&
+ lum->lum_stripe_offset == LMV_OFFSET_DEFAULT) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_INHERIT_RR)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmv_max_inherit_rr: ");
+ if (lum->lum_max_inherit_rr == LMV_INHERIT_RR_UNLIMITED)
+ llapi_printf(LLAPI_MSG_NORMAL, "-1");
+ else if (lum->lum_max_inherit_rr == LMV_INHERIT_RR_NONE)
+ llapi_printf(LLAPI_MSG_NORMAL, "0");
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "%hhu",
+ lum->lum_max_inherit_rr);
+ if (verbose & VERBOSE_INHERIT_RR && !yaml)
+ separator = " ";
+ else
+ separator = "\n";
}
+ separator = "\n";
+
if (verbose & VERBOSE_OBJID && lum->lum_magic != LMV_USER_MAGIC) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (lum->lum_stripe_count > 0)
for (i = 0; i < lum->lum_stripe_count; i++) {
int idx = objects[i].lum_mds;
struct lu_fid *fid = &objects[i].lum_fid;
+
if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx))
llapi_printf(LLAPI_MSG_NORMAL,
"%6u\t\t "DFID"\t\t%s\n",
idx, PFID(fid),
obdindex == idx ? " *" : "");
}
-
}
if ((verbose & VERBOSE_POOL) && pool_name != NULL &&
}
}
-/* Check if the value matches 1 of the given criteria (e.g. --atime +/-N).
+/*
+ * Check if the value matches 1 of the given criteria (e.g. --atime +/-N).
* @mds indicates if this is MDS timestamps and there are attributes on OSTs.
*
* The result is -1 if it does not match, 0 if not yet clear, 1 if matches.
* 9 | file < limit; sign < 0 | ? / -1 |
* --------------------------------------
* Note: 5th actually means that the value is within the interval
- * (limit - margin, limit]. */
+ * (limit - margin, limit].
+ */
static int find_value_cmp(unsigned long long file, unsigned long long limit,
int sign, int negopt, unsigned long long margin,
bool mds)
lmv_dump_foreign_lmm(param, path, flags);
break;
default:
- llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
- "(expecting one of %#x %#x %#x %#x)\n",
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "unknown lmm_magic: %#x (expecting one of %#x %#x %#x %#x)\n",
*(__u32 *)¶m->fp_lmd->lmd_lmm,
LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3,
LMV_USER_MAGIC, LMV_MAGIC_V1);
}
}
-int llapi_file_get_stripe(const char *path, struct lov_user_md *lum)
+static int llapi_file_get_stripe1(const char *path, struct lov_user_md *lum)
{
const char *fname;
char *dname;
return rc;
}
+int llapi_file_get_stripe(const char *path, struct lov_user_md *lum)
+{
+ char *canon_path = NULL;
+ int rc, rc2;
+
+ rc = llapi_file_get_stripe1(path, lum);
+ if (!(rc == -ENOTTY || rc == -ENODATA))
+ goto out;
+
+ /* Handle failure due to symlinks by dereferencing path manually. */
+ canon_path = canonicalize_file_name(path);
+ if (canon_path == NULL)
+ goto out; /* Keep original rc. */
+
+ rc2 = llapi_file_get_stripe1(canon_path, lum);
+ if (rc2 < 0)
+ goto out; /* Keep original rc. */
+
+ rc = 0;
+out:
+ free(canon_path);
+
+ return rc;
+}
+
int llapi_file_lookup(int dirfd, const char *name)
{
- struct obd_ioctl_data data = { 0 };
- char rawbuf[8192];
- char *buf = rawbuf;
- int rc;
+ struct obd_ioctl_data data = { 0 };
+ char rawbuf[8192];
+ char *buf = rawbuf;
+ int rc;
- if (dirfd < 0 || name == NULL)
- return -EINVAL;
+ if (dirfd < 0 || name == NULL)
+ return -EINVAL;
- data.ioc_version = OBD_IOCTL_VERSION;
- data.ioc_len = sizeof(data);
- data.ioc_inlbuf1 = (char *)name;
- data.ioc_inllen1 = strlen(name) + 1;
+ data.ioc_version = OBD_IOCTL_VERSION;
+ data.ioc_len = sizeof(data);
+ data.ioc_inlbuf1 = (char *)name;
+ data.ioc_inllen1 = strlen(name) + 1;
rc = llapi_ioctl_pack(&data, &buf, sizeof(rawbuf));
- if (rc) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
- name, rc);
- return rc;
- }
-
- rc = ioctl(dirfd, IOC_MDC_LOOKUP, buf);
- if (rc < 0)
- rc = -errno;
- return rc;
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
+ name, rc);
+ return rc;
+ }
+
+ rc = ioctl(dirfd, IOC_MDC_LOOKUP, buf);
+ if (rc < 0)
+ rc = -errno;
+ return rc;
}
-/* Check if the file time matches all the given criteria (e.g. --atime +/-N).
+/*
+ * Check if the file time matches all the given criteria (e.g. --atime +/-N).
* Return -1 or 1 if file timestamp does not or does match the given criteria
* correspondingly. Return 0 if the MDS time is being checked and there are
* attributes on OSTs and it is not yet clear if the timespamp matches.
*
* If 0 is returned, we need to do another RPC to the OSTs to obtain the
- * updated timestamps. */
-static int find_time_check(lstatx_t *stx, struct find_param *param, int mds)
+ * updated timestamps.
+ */
+static int find_time_check(struct find_param *param, int mds)
{
+ struct lov_user_mds_data *lmd = param->fp_lmd;
int rc = 1;
int rc2;
/* Check if file is accepted. */
if (param->fp_atime) {
- rc2 = find_value_cmp(stx->stx_atime.tv_sec, param->fp_atime,
- param->fp_asign, param->fp_exclude_atime,
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_atime.tv_sec,
+ param->fp_atime, param->fp_asign,
+ param->fp_exclude_atime,
param->fp_time_margin, mds);
if (rc2 < 0)
return rc2;
}
if (param->fp_mtime) {
- rc2 = find_value_cmp(stx->stx_mtime.tv_sec, param->fp_mtime,
- param->fp_msign, param->fp_exclude_mtime,
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_mtime.tv_sec,
+ param->fp_mtime, param->fp_msign,
+ param->fp_exclude_mtime,
param->fp_time_margin, mds);
if (rc2 < 0)
return rc2;
- /* If the previous check matches, but this one is not yet clear,
- * we should return 0 to do an RPC on OSTs. */
+ /*
+ * If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs.
+ */
if (rc == 1)
rc = rc2;
}
if (param->fp_ctime) {
- rc2 = find_value_cmp(stx->stx_ctime.tv_sec, param->fp_ctime,
- param->fp_csign, param->fp_exclude_ctime,
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_ctime.tv_sec,
+ param->fp_ctime, param->fp_csign,
+ param->fp_exclude_ctime,
param->fp_time_margin, mds);
if (rc2 < 0)
return rc2;
- /* If the previous check matches, but this one is not yet clear,
- * we should return 0 to do an RPC on OSTs. */
+ /*
+ * If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs.
+ */
if (rc == 1)
rc = rc2;
}
return rc;
}
-static int find_newerxy_check(lstatx_t *stx, struct find_param *param, int mds)
+static int find_newerxy_check(struct find_param *param, int mds, bool from_mdt)
{
+ struct lov_user_mds_data *lmd = param->fp_lmd;
int i;
int rc = 1;
int rc2;
for (i = 0; i < 2; i++) {
/* Check if file is accepted. */
if (param->fp_newery[NEWERXY_ATIME][i]) {
- rc2 = find_value_cmp(stx->stx_atime.tv_sec,
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_atime.tv_sec,
param->fp_newery[NEWERXY_ATIME][i],
-1, i, 0, mds);
if (rc2 < 0)
}
if (param->fp_newery[NEWERXY_MTIME][i]) {
- rc2 = find_value_cmp(stx->stx_mtime.tv_sec,
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_mtime.tv_sec,
param->fp_newery[NEWERXY_MTIME][i],
-1, i, 0, mds);
if (rc2 < 0)
}
if (param->fp_newery[NEWERXY_CTIME][i]) {
- rc2 = find_value_cmp(stx->stx_ctime.tv_sec,
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_ctime.tv_sec,
param->fp_newery[NEWERXY_CTIME][i],
-1, i, 0, mds);
if (rc2 < 0)
if (rc == 1)
rc = rc2;
}
+
+ /*
+ * File birth time (btime) can get from MDT directly.
+ * if @from_mdt is true, it means the input file attributs are
+ * obtained directly from MDT.
+ * Thus, if @from_mdt is false, we should skip the following
+ * btime check.
+ */
+ if (!from_mdt)
+ continue;
+
+ if (param->fp_newery[NEWERXY_BTIME][i]) {
+ if (!(lmd->lmd_stx.stx_mask & STATX_BTIME))
+ return -EOPNOTSUPP;
+
+ rc2 = find_value_cmp(lmd->lmd_stx.stx_btime.tv_sec,
+ param->fp_newery[NEWERXY_BTIME][i],
+ -1, i, 0, 0);
+ if (rc2 < 0)
+ return rc2;
+ }
}
return rc;
{
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;
- lstatx_t *stx = ¶m->fp_lmd->lmd_stx;
+ struct lov_user_mds_data *lmd = param->fp_lmd;
+ struct lov_user_md_v1 *v1 = &lmd->lmd_lmm;
int i, j, k, count = 1;
if (param->fp_obd_uuid && param->fp_obd_index == OBD_NOT_FOUND)
return 0;
- if (!S_ISREG(stx->stx_mode))
+ if (!S_ISREG(lmd->lmd_stx.stx_mode))
return 0;
/* exclude foreign */
if (v1->lmm_magic == LOV_USER_MAGIC_FOREIGN)
return param->fp_exclude_obd;
- /* Only those files should be accepted, which have a
- * stripe on the specified OST. */
+ /*
+ * Only those files should be accepted, which have a
+ * stripe on the specified OST.
+ */
if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
comp_v1 = (struct lov_comp_md_v1 *)v1;
count = comp_v1->lcm_entry_count;
* not active, just print the object affected by this
* failed target
**/
-static int print_failed_tgt(struct find_param *param, char *path, int type)
+static void print_failed_tgt(struct find_param *param, char *path, int type)
{
- struct obd_statfs stat_buf;
- struct obd_uuid uuid_buf;
- int ret;
+ struct obd_statfs stat_buf;
+ struct obd_uuid uuid_buf;
+ int tgt_nr, i, *indexes;
+ int ret = 0;
- if (type != LL_STATFS_LOV && type != LL_STATFS_LMV)
- return -EINVAL;
+ if (type != LL_STATFS_LOV && type != LL_STATFS_LMV) {
+ llapi_error(LLAPI_MSG_NORMAL, ret, "%s: wrong statfs type(%d)",
+ __func__, type);
+ return;
+ }
- 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_error(LLAPI_MSG_NORMAL, ret, "obd_uuid: %s failed",
- param->fp_obd_uuid->uuid);
+ tgt_nr = (type == LL_STATFS_LOV) ? param->fp_obd_index :
+ param->fp_mdt_index;
+ indexes = (type == LL_STATFS_LOV) ? param->fp_obd_indexes :
+ param->fp_mdt_indexes;
- return ret;
+ for (i = 0; i < tgt_nr; i++) {
+ memset(&stat_buf, 0, sizeof(struct obd_statfs));
+ memset(&uuid_buf, 0, sizeof(struct obd_uuid));
+
+ ret = llapi_obd_statfs(path, type, indexes[i], &stat_buf,
+ &uuid_buf);
+ if (ret)
+ llapi_error(LLAPI_MSG_NORMAL, ret,
+ "%s: obd_uuid: %s failed",
+ __func__, param->fp_obd_uuid->uuid);
+ }
}
static int find_check_stripe_size(struct find_param *param)
return -1;
}
-/* if no type specified, check/exclude all foreign
+/*
+ * if no type specified, check/exclude all foreign
* if type specified, check all foreign&type and exclude !foreign + foreign&type
*/
static int find_check_foreign(struct find_param *param)
if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN)
return param->fp_exclude_foreign ? 1 : -1;
return -1;
- } else {
- if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN ||
- lfm->lfm_type == param->fp_foreign_type)
- return param->fp_exclude_foreign ? -1 : 1;
- return param->fp_exclude_foreign ? 1 : -1;
}
+
+ if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN ||
+ lfm->lfm_type == param->fp_foreign_type)
+ return param->fp_exclude_foreign ? -1 : 1;
+ return param->fp_exclude_foreign ? 1 : -1;
}
if (S_ISDIR(param->fp_lmd->lmd_stx.stx_mode)) {
if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN)
return param->fp_exclude_foreign ? 1 : -1;
return -1;
- } else {
- if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN ||
- lfm->lfm_type == param->fp_foreign_type)
- return param->fp_exclude_foreign ? -1 : 1;
- return param->fp_exclude_foreign ? 1 : -1;
}
+
+ if (param->fp_foreign_type == LU_FOREIGN_TYPE_UNKNOWN ||
+ lfm->lfm_type == param->fp_foreign_type)
+ return param->fp_exclude_foreign ? -1 : 1;
+ return param->fp_exclude_foreign ? 1 : -1;
}
return -1;
}
static int find_check_pool(struct find_param *param)
{
struct lov_comp_md_v1 *comp_v1 = NULL;
- struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
- struct lov_user_md_v3 *v3 = (void *)v1;
+ struct lov_user_md_v3 *v3 = (void *)¶m->fp_lmd->lmd_lmm;
int i, count = 1;
bool found = false;
- if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
- comp_v1 = (struct lov_comp_md_v1 *)v1;
+ if (v3->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v3;
count = comp_v1->lcm_entry_count;
/* empty requested pool is taken as no pool search */
- if (count == 0 && param->fp_poolname[0] == '\0')
+ if (count == 0 && param->fp_poolname[0] == '\0') {
found = true;
+ goto found;
+ }
}
for (i = 0; i < count; i++) {
- if (comp_v1 != NULL)
- v1 = lov_comp_entry(comp_v1, i);
+ if (comp_v1 != NULL) {
+ if (!(comp_v1->lcm_entries[i].lcme_flags &
+ LCME_FL_INIT))
+ continue;
- if (v1->lmm_magic == LOV_USER_MAGIC_FOREIGN)
+ v3 = (void *)lov_comp_entry(comp_v1, i);
+ }
+
+ if (v3->lmm_magic == LOV_USER_MAGIC_FOREIGN)
continue;
- if (((v1->lmm_magic == LOV_USER_MAGIC_V1) &&
+ if (((v3->lmm_magic == LOV_USER_MAGIC_V1) &&
(param->fp_poolname[0] == '\0')) ||
- ((v1->lmm_magic == LOV_USER_MAGIC_V3) &&
+ ((v3->lmm_magic == LOV_USER_MAGIC_V3) &&
(strncmp(v3->lmm_pool_name,
param->fp_poolname, LOV_MAXPOOLNAME) == 0)) ||
- ((v1->lmm_magic == LOV_USER_MAGIC_V3) &&
+ ((v3->lmm_magic == LOV_USER_MAGIC_V3) &&
(strcmp(param->fp_poolname, "*") == 0))) {
found = true;
break;
}
}
+found:
if ((found && !param->fp_exclude_pool) ||
(!found && param->fp_exclude_pool))
return 1;
static int find_check_comp_options(struct find_param *param)
{
- lstatx_t *stx = ¶m->fp_lmd->lmd_stx;
struct lov_comp_md_v1 *comp_v1, *forged_v1 = NULL;
- struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ struct lov_user_mds_data *lmd = param->fp_lmd;
+ struct lov_user_md_v1 *v1 = &lmd->lmd_lmm;
struct lov_comp_md_entry_v1 *entry;
int i, ret = 0;
comp_v1 = forged_v1;
comp_v1->lcm_entry_count = 1;
entry = &comp_v1->lcm_entries[0];
- entry->lcme_flags = S_ISDIR(stx->stx_mode) ? 0 : LCME_FL_INIT;
+ entry->lcme_flags = S_ISDIR(lmd->lmd_stx.stx_mode) ?
+ 0 : LCME_FL_INIT;
entry->lcme_extent.e_start = 0;
entry->lcme_extent.e_end = LUSTRE_EOF;
}
struct fsxattr fsx;
int rc;
- rc = ioctl(fd, LL_IOC_FSGETXATTR, &fsx);
+ rc = ioctl(fd, FS_IOC_FSGETXATTR, &fsx);
if (rc)
return -errno;
return 0;
}
-static int cb_find_init(char *path, DIR *parent, DIR **dirp,
+static int cb_find_init(char *path, int p, int *dp,
void *data, struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
- DIR *dir = dirp == NULL ? NULL : *dirp;
+ struct lov_user_mds_data *lmd = param->fp_lmd;
+ int d = dp == NULL ? -1 : *dp;
int decision = 1; /* 1 is accepted; -1 is rejected. */
- lstatx_t *stx = ¶m->fp_lmd->lmd_stx;
int lustre_fs = 1;
int checked_type = 0;
int ret = 0;
__u64 flags;
int fd = -2;
- if (parent == NULL && dir == NULL)
+ if (p == -1 && d == -1)
return -EINVAL;
/* If a regular expression is presented, make the initial decision */
if (param->fp_pattern != NULL) {
char *fname = strrchr(path, '/');
+
fname = (fname == NULL ? path : fname + 1);
ret = fnmatch(param->fp_pattern, fname, 0);
if ((ret == FNM_NOMATCH && !param->fp_exclude_pattern) ||
ret = 0;
- /* Request MDS for the stat info if some of these parameters need
- * to be compared. */
+ /*
+ * Request MDS for the stat info if some of these parameters need
+ * to be compared.
+ */
if (param->fp_obd_uuid || param->fp_mdt_uuid ||
- param->fp_check_uid || param->fp_check_gid || param->fp_newerxy ||
+ param->fp_check_uid || param->fp_check_gid ||
+ param->fp_newerxy || param->fp_btime ||
param->fp_atime || param->fp_mtime || param->fp_ctime ||
param->fp_check_size || param->fp_check_blocks ||
find_check_lmm_info(param) ||
- param->fp_check_mdt_count || param->fp_check_hash_type)
+ param->fp_check_mdt_count || param->fp_hash_type ||
+ param->fp_check_hash_flag)
decision = 0;
if (param->fp_type != 0 && checked_type == 0)
- decision = 0;
+ decision = 0;
if (decision == 0) {
- if (dir && (param->fp_check_mdt_count ||
- param->fp_check_hash_type || param->fp_check_foreign)) {
+ if (d != -1 && (param->fp_check_mdt_count ||
+ param->fp_hash_type || param->fp_check_foreign ||
+ param->fp_check_hash_flag)) {
param->fp_get_lmv = 1;
- ret = cb_get_dirstripe(path, dir, param);
+ ret = cb_get_dirstripe(path, &d, param);
if (ret != 0) {
- /* XXX this works to decide for foreign
+ /*
+ * XXX this works to decide for foreign
* criterion only
*/
if (errno == ENODATA &&
}
param->fp_lmd->lmd_lmm.lmm_magic = 0;
- ret = get_lmd_info(path, parent, dir, param->fp_lmd,
- param->fp_lum_size, GET_LMD_INFO);
+ ret = get_lmd_info_fd(path, p, d, param->fp_lmd,
+ param->fp_lum_size, GET_LMD_INFO);
if (ret == 0 && param->fp_lmd->lmd_lmm.lmm_magic == 0 &&
find_check_lmm_info(param)) {
struct lov_user_md *lmm = ¶m->fp_lmd->lmd_lmm;
- /* We need to "fake" the "use the default" values
- * since the lmm struct is zeroed out at this point. */
+ /*
+ * We need to "fake" the "use the default" values
+ * since the lmm struct is zeroed out at this point.
+ */
lmm->lmm_magic = LOV_USER_MAGIC_V1;
lmm->lmm_pattern = LOV_PATTERN_DEFAULT;
if (!param->fp_raw)
lmm->lmm_stripe_offset = -1;
}
if (ret == 0 && param->fp_mdt_uuid != NULL) {
- if (dir != NULL) {
- ret = llapi_file_fget_mdtidx(dirfd(dir),
+ if (d != -1) {
+ ret = llapi_file_fget_mdtidx(d,
¶m->fp_file_mdt_index);
- } else if (S_ISREG(stx->stx_mode)) {
- /* FIXME: we could get the MDT index from the
+ } else if (S_ISREG(lmd->lmd_stx.stx_mode)) {
+ /*
+ * FIXME: we could get the MDT index from the
* file's FID in lmd->lmd_lmm.lmm_oi without
* opening the file, once we are sure that
* LFSCK2 (2.6) has fixed up pre-2.0 LOV EAs.
* That would still be an ioctl() to map the
- * FID to the MDT, but not an open RPC. */
+ * FID to the MDT, but not an open RPC.
+ */
fd = open(path, O_RDONLY);
if (fd > 0) {
ret = llapi_file_fget_mdtidx(fd,
ret = -errno;
}
} else {
- /* For a special file, we assume it resides on
- * the same MDT as the parent directory. */
- ret = llapi_file_fget_mdtidx(dirfd(parent),
+ /*
+ * For a special file, we assume it resides on
+ * the same MDT as the parent directory.
+ */
+ ret = llapi_file_fget_mdtidx(p,
¶m->fp_file_mdt_index);
}
}
}
if (param->fp_type && !checked_type) {
- if ((stx->stx_mode & S_IFMT) == param->fp_type) {
+ if ((lmd->lmd_stx.stx_mode & S_IFMT) == param->fp_type) {
if (param->fp_exclude_type)
goto decided;
} else {
}
}
- /* Prepare odb. */
+ /* Prepare odb. */
if (param->fp_obd_uuid || param->fp_mdt_uuid) {
if (lustre_fs && param->fp_got_uuids &&
- param->fp_dev != makedev(stx->stx_dev_major,
- stx->stx_dev_minor)) {
+ param->fp_dev != makedev(lmd->lmd_stx.stx_dev_major,
+ lmd->lmd_stx.stx_dev_minor)) {
/* A lustre/lustre mount point is crossed. */
param->fp_got_uuids = 0;
param->fp_obds_printed = 0;
}
if (lustre_fs && !param->fp_got_uuids) {
- ret = setup_target_indexes(dir ? dir : parent, path,
+ ret = setup_target_indexes((d != -1) ? d : p, path,
param);
if (ret)
goto out;
- param->fp_dev = makedev(stx->stx_dev_major,
- stx->stx_dev_minor);
+ param->fp_dev = makedev(lmd->lmd_stx.stx_dev_major,
+ lmd->lmd_stx.stx_dev_minor);
} else if (!lustre_fs && param->fp_got_uuids) {
/* A lustre/non-lustre mount point is crossed. */
param->fp_got_uuids = 0;
param->fp_mdt_index = OBD_NOT_FOUND;
param->fp_obd_index = OBD_NOT_FOUND;
- }
- }
+ }
+ }
if (param->fp_check_foreign) {
decision = find_check_foreign(param);
goto decided;
}
- if (param->fp_check_hash_type) {
+ if (param->fp_hash_type) {
__u32 found;
+ __u32 type = param->fp_lmv_md->lum_hash_type &
+ LMV_HASH_TYPE_MASK;
if (param->fp_lmv_md->lum_magic == LMV_MAGIC_FOREIGN) {
decision = -1;
goto decided;
}
- found = param->fp_lmv_md->lum_hash_type & param->fp_hash_type;
+ found = (1 << type) & param->fp_hash_type;
if ((found && param->fp_exclude_hash_type) ||
(!found && !param->fp_exclude_hash_type)) {
decision = -1;
}
}
+ if (param->fp_check_hash_flag) {
+ __u32 flags = param->fp_lmv_md->lum_hash_type &
+ ~LMV_HASH_TYPE_MASK;
+
+ if (param->fp_lmv_md->lum_magic == LMV_MAGIC_FOREIGN) {
+ decision = -1;
+ goto decided;
+ }
+
+ if (!(flags & param->fp_hash_inflags) ||
+ (flags & param->fp_hash_exflags)) {
+ decision = -1;
+ goto decided;
+ }
+ }
+
/* If an OBD UUID is specified but none matches, skip this file. */
if ((param->fp_obd_uuid && param->fp_obd_index == OBD_NOT_FOUND) ||
(param->fp_mdt_uuid && param->fp_mdt_index == OBD_NOT_FOUND))
goto decided;
- /* If an OST or MDT UUID is given, and some OST matches,
- * check it here. */
+ /*
+ * If an OST or MDT UUID is given, and some OST matches,
+ * check it here.
+ */
if (param->fp_obd_index != OBD_NOT_FOUND ||
param->fp_mdt_index != OBD_NOT_FOUND) {
if (param->fp_obd_uuid) {
if (check_obd_match(param)) {
- /* If no mdtuuid is given, we are done.
+ /*
+ * If no mdtuuid is given, we are done.
* Otherwise, fall through to the mdtuuid
- * check below. */
+ * check below.
+ */
if (!param->fp_mdt_uuid)
goto obd_matches;
} else {
obd_matches:
if (param->fp_check_uid) {
- if (stx->stx_uid == param->fp_uid) {
+ if (lmd->lmd_stx.stx_uid == param->fp_uid) {
if (param->fp_exclude_uid)
goto decided;
} else {
}
if (param->fp_check_gid) {
- if (stx->stx_gid == param->fp_gid) {
+ if (lmd->lmd_stx.stx_gid == param->fp_gid) {
if (param->fp_exclude_gid)
goto decided;
} else {
/* Check the time on mds. */
decision = 1;
if (param->fp_atime || param->fp_mtime || param->fp_ctime) {
- int for_mds;
+ int for_mds;
for_mds = lustre_fs ?
- (S_ISREG(stx->stx_mode) && stripe_count) : 0;
- decision = find_time_check(stx, param, for_mds);
+ (S_ISREG(lmd->lmd_stx.stx_mode) && stripe_count) : 0;
+ decision = find_time_check(param, for_mds);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_btime) {
+ if (!(lmd->lmd_stx.stx_mask & STATX_BTIME)) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
+
+ decision = find_value_cmp(lmd->lmd_stx.stx_btime.tv_sec,
+ param->fp_btime, param->fp_bsign,
+ param->fp_exclude_btime,
+ param->fp_time_margin, 0);
if (decision == -1)
goto decided;
}
int for_mds;
for_mds = lustre_fs ?
- (S_ISREG(stx->stx_mode) && stripe_count) : 0;
- decision = find_newerxy_check(stx, param, for_mds);
+ (S_ISREG(lmd->lmd_stx.stx_mode) && stripe_count) : 0;
+ decision = find_newerxy_check(param, for_mds, true);
if (decision == -1)
goto decided;
+ if (decision < 0) {
+ ret = decision;
+ goto out;
+ }
}
flags = param->fp_lmd->lmd_flags;
if (param->fp_check_size &&
- ((S_ISREG(stx->stx_mode) && stripe_count) ||
- S_ISDIR(stx->stx_mode)) &&
+ ((S_ISREG(lmd->lmd_stx.stx_mode) && stripe_count) ||
+ S_ISDIR(lmd->lmd_stx.stx_mode)) &&
!(flags & OBD_MD_FLSIZE ||
(param->fp_lazy && flags & OBD_MD_FLLAZYSIZE)))
decision = 0;
if (param->fp_check_blocks &&
- ((S_ISREG(stx->stx_mode) && stripe_count) ||
- S_ISDIR(stx->stx_mode)) &&
+ ((S_ISREG(lmd->lmd_stx.stx_mode) && stripe_count) ||
+ S_ISDIR(lmd->lmd_stx.stx_mode)) &&
!(flags & OBD_MD_FLBLOCKS ||
(param->fp_lazy && flags & OBD_MD_FLLAZYBLOCKS)))
decision = 0;
- /* If file still fits the request, ask ost for updated info.
+ /*
+ * If file still fits the request, ask ost for updated info.
* The regular stat is almost of the same speed as some new
* 'glimpse-size-ioctl'.
*/
if (!decision) {
lstat_t st;
- /* For regular files with the stripe the decision may have not
- * been taken yet if *time or size is to be checked. */
+ /*
+ * For regular files with the stripe the decision may have not
+ * been taken yet if *time or size is to be checked.
+ */
if (param->fp_obd_index != OBD_NOT_FOUND)
- print_failed_tgt(param, path, LL_STATFS_LOV);
+ print_failed_tgt(param, path, LL_STATFS_LOV);
if (param->fp_mdt_index != OBD_NOT_FOUND)
- print_failed_tgt(param, path, LL_STATFS_LMV);
+ print_failed_tgt(param, path, LL_STATFS_LMV);
- if (dir != NULL)
- ret = fstat_f(dirfd(dir), &st);
+ if (d != -1)
+ ret = fstat_f(d, &st);
else if (de != NULL)
- ret = fstatat_f(dirfd(parent), de->d_name, &st,
+ ret = fstatat_f(p, de->d_name, &st,
AT_SYMLINK_NOFOLLOW);
else
ret = lstat_f(path, &st);
convert_lmd_statx(param->fp_lmd, &st, true);
/* Check the time on osc. */
- decision = find_time_check(stx, param, 0);
+ decision = find_time_check(param, 0);
if (decision == -1)
goto decided;
if (param->fp_newerxy) {
- decision = find_newerxy_check(stx, param, 0);
+ decision = find_newerxy_check(param, 0, false);
if (decision == -1)
goto decided;
-
+ if (decision < 0) {
+ ret = decision;
+ goto out;
+ }
}
}
if (param->fp_check_size) {
- decision = find_value_cmp(stx->stx_size, param->fp_size,
+ decision = find_value_cmp(lmd->lmd_stx.stx_size,
+ param->fp_size,
param->fp_size_sign,
param->fp_exclude_size,
param->fp_size_units, 0);
}
if (param->fp_check_blocks) { /* convert st_blocks to bytes */
- decision = find_value_cmp(stx->stx_blocks * 512,
+ decision = find_value_cmp(lmd->lmd_stx.stx_blocks * 512,
param->fp_blocks,
param->fp_blocks_sign,
param->fp_exclude_blocks,
return ret;
}
-static int cb_migrate_mdt_init(char *path, DIR *parent, DIR **dirp,
+static int cb_migrate_mdt_init(char *path, int p, int *dp,
void *param_data, struct dirent64 *de)
{
struct find_param *param = (struct find_param *)param_data;
struct lmv_user_md *lmu = param->fp_lmv_md;
- DIR *tmp_parent = parent;
+ int tmp_p = p;
char raw[MAX_IOC_BUFLEN] = {'\0'};
char *rawbuf = raw;
struct obd_ioctl_data data = { 0 };
- int fd;
int ret;
char *path_copy;
char *filename;
bool retry = false;
- if (parent == NULL && dirp == NULL)
+ if (p == -1 && dp == NULL)
return -EINVAL;
if (!lmu)
return -EINVAL;
- if (dirp != NULL)
- closedir(*dirp);
+ if (dp != NULL && *dp != -1)
+ close(*dp);
- if (parent == NULL) {
- tmp_parent = opendir_parent(path);
- if (tmp_parent == NULL) {
- *dirp = NULL;
+ if (p == -1) {
+ tmp_p = open_parent(path);
+ if (tmp_p == -1) {
+ *dp = -1;
ret = -errno;
llapi_error(LLAPI_MSG_ERROR, ret,
"can not open %s", path);
}
}
- fd = dirfd(tmp_parent);
-
path_copy = strdup(path);
filename = basename(path_copy);
ret = llapi_ioctl_pack(&data, &rawbuf, sizeof(raw));
if (ret != 0) {
llapi_error(LLAPI_MSG_ERROR, ret,
- "llapi_obd_statfs: error packing ioctl data");
+ "%s: error packing ioctl data", __func__);
goto out;
}
migrate:
- ret = ioctl(fd, LL_IOC_MIGRATE, rawbuf);
+ ret = ioctl(tmp_p, LL_IOC_MIGRATE, rawbuf);
if (ret != 0) {
if (errno == EBUSY && !retry) {
- /* because migrate may not be able to lock all involved
+ /*
+ * because migrate may not be able to lock all involved
* objects in order, for some of them it try lock, while
* there may be conflicting COS locks and cause migrate
* fail with EBUSY, hope a sync() could cause
- * transaction commit and release these COS locks. */
+ * transaction commit and release these COS locks.
+ */
sync();
retry = true;
goto migrate;
}
out:
- if (dirp != NULL) {
- /* If the directory is being migration, we need
+ if (dp != NULL) {
+ /*
+ * If the directory is being migration, we need
* close the directory after migration,
* so the old directory cache will be cleanup
* on the client side, and re-open to get the
- * new directory handle */
- *dirp = opendir(path);
- if (*dirp == NULL) {
+ * new directory handle
+ */
+ *dp = open(path, O_RDONLY|O_NDELAY|O_DIRECTORY);
+ if (*dp == -1) {
ret = -errno;
llapi_error(LLAPI_MSG_ERROR, ret,
"%s: Failed to open '%s'", __func__, path);
}
}
- if (parent == NULL)
- closedir(tmp_parent);
+ if (p == -1)
+ close(tmp_p);
free(path_copy);
}
/* dir migration finished, shrink its stripes */
-static int cb_migrate_mdt_fini(char *path, DIR *parent, DIR **dirp, void *data,
+static int cb_migrate_mdt_fini(char *path, int p, int *dp, void *data,
struct dirent64 *de)
{
struct find_param *param = data;
if (de && de->d_type != DT_DIR)
goto out;
- if (*dirp) {
+ if (*dp != -1) {
/*
* close it before setxattr because the latter may destroy the
* original object, and cause close fail.
*/
- ret = closedir(*dirp);
- *dirp = NULL;
+ ret = close(*dp);
+ *dp = -1;
if (ret)
goto out;
}
if (ret == -EALREADY)
ret = 0;
out:
- cb_common_fini(path, parent, dirp, data, de);
+ cb_common_fini(path, p, dp, data, de);
return ret;
}
int llapi_find(char *path, struct find_param *param)
{
- return param_callback(path, cb_find_init, cb_common_fini, param);
+ return param_callback(path, cb_find_init, cb_common_fini, param);
}
/*
*/
int llapi_file_fget_mdtidx(int fd, int *mdtidx)
{
- if (ioctl(fd, LL_IOC_GET_MDTIDX, mdtidx) < 0)
- return -errno;
- return 0;
+ if (ioctl(fd, LL_IOC_GET_MDTIDX, mdtidx) < 0)
+ return -errno;
+ return 0;
}
-static int cb_get_mdt_index(char *path, DIR *parent, DIR **dirp, void *data,
+static int cb_get_mdt_index(char *path, int p, int *dp, void *data,
struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
- DIR *d = dirp == NULL ? NULL : *dirp;
+ int d = dp == NULL ? -1 : *dp;
int ret;
int mdtidx;
- if (parent == NULL && d == NULL)
+ if (p == -1 && d == -1)
return -EINVAL;
- if (d != NULL) {
- ret = llapi_file_fget_mdtidx(dirfd(d), &mdtidx);
- } else /* if (parent) */ {
+ if (d != -1) {
+ ret = llapi_file_fget_mdtidx(d, &mdtidx);
+ } else /* if (p != -1) */ {
int fd;
fd = open(path, O_RDONLY | O_NOCTTY);
return 0;
}
-static int cb_getstripe(char *path, DIR *parent, DIR **dirp, void *data,
+static int cb_getstripe(char *path, int p, int *dp, void *data,
struct dirent64 *de)
{
- struct find_param *param = (struct find_param *)data;
- DIR *d = dirp == NULL ? NULL : *dirp;
- int ret = 0;
+ struct find_param *param = (struct find_param *)data;
+ int d = dp == NULL ? -1 : *dp;
+ int ret = 0;
- if (parent == NULL && d == NULL)
+ if (p == -1 && d == -1)
return -EINVAL;
if (param->fp_obd_uuid) {
param->fp_quiet = 1;
- ret = setup_obd_uuid(d ? dirfd(d) : dirfd(parent), path, param);
+ ret = setup_obd_uuid(d != -1 ? d : p, path, param);
if (ret)
return ret;
}
- if (d && (param->fp_get_lmv || param->fp_get_default_lmv))
- ret = cb_get_dirstripe(path, d, param);
- else if (d ||
- (parent && !param->fp_get_lmv && !param->fp_get_default_lmv))
- ret = get_lmd_info(path, parent, d, ¶m->fp_lmd->lmd_lmm,
- param->fp_lum_size, GET_LMD_STRIPE);
- else
+ if (d != -1 && (param->fp_get_lmv || param->fp_get_default_lmv))
+ ret = cb_get_dirstripe(path, &d, param);
+ else if (d != -1 ||
+ (p != -1 && !param->fp_get_lmv && !param->fp_get_default_lmv))
+ ret = get_lmd_info_fd(path, p, d, ¶m->fp_lmd->lmd_lmm,
+ param->fp_lum_size, GET_LMD_STRIPE);
+ else if (d == -1 && (param->fp_get_lmv || param->fp_get_default_lmv)) {
+ /* in case of a dangling or valid faked symlink dir, opendir()
+ * should have return either EINVAL or ENOENT, so let's try
+ * to get LMV just in case, and by opening it as a file but
+ * with O_NOFOLLOW ...
+ */
+ int fd = open(path, O_RDONLY | O_NOFOLLOW);
+
+ if (fd == -1)
+ return 0;
+ ret = cb_get_dirstripe(path, &fd, param);
+ if (ret == 0)
+ llapi_lov_dump_user_lmm(param, path, LDF_IS_DIR);
+ close(fd);
+ return 0;
+ } else
return 0;
- if (ret) {
- if (errno == ENODATA && d != NULL) {
- /* We need to "fake" the "use the default" values
+ if (ret) {
+ if (errno == ENODATA && d != -1) {
+ /*
+ * We need to "fake" the "use the default" values
* since the lmm struct is zeroed out at this point.
* The magic needs to be set in order to satisfy
* a check later on in the code path.
* The object_seq needs to be set for the "(Default)"
- * prefix to be displayed. */
+ * prefix to be displayed.
+ */
if (param->fp_get_default_lmv) {
struct lmv_user_md *lum = param->fp_lmv_md;
struct lmv_user_md *lum = param->fp_lmv_md;
int mdtidx;
- ret = llapi_file_fget_mdtidx(dirfd(d), &mdtidx);
+ ret = llapi_file_fget_mdtidx(d, &mdtidx);
if (ret != 0)
goto err_out;
lum->lum_magic = LMV_MAGIC_V1;
lmm->lmm_stripe_offset = -1;
goto dump;
}
- } else if (errno == ENODATA && parent != NULL) {
+ } else if (errno == ENODATA && p != -1) {
if (!param->fp_obd_uuid && !param->fp_mdt_uuid)
- llapi_printf(LLAPI_MSG_NORMAL,
- "%s has no stripe info\n", path);
- goto out;
- } else if (errno == ENOENT) {
- llapi_error(LLAPI_MSG_WARN, -ENOENT,
- "warning: %s: %s does not exist",
- __func__, path);
- goto out;
- } else if (errno == ENOTTY) {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "%s: '%s' not on a Lustre fs?",
- __func__, path);
- } else {
- ret = -errno;
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s has no stripe info\n", path);
+ goto out;
+ } else if (errno == ENOENT) {
+ llapi_error(LLAPI_MSG_WARN, -ENOENT,
+ "warning: %s: %s does not exist",
+ __func__, path);
+ goto out;
+ } else if (errno == ENOTTY) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: '%s' not on a Lustre fs?",
+ __func__, path);
+ } else {
+ ret = -errno;
err_out:
llapi_error(LLAPI_MSG_ERROR, ret,
"error: %s: %s failed for %s",
- __func__, d ? "LL_IOC_LOV_GETSTRIPE" :
- "IOC_MDC_GETFILESTRIPE", path);
+ __func__, d != -1 ?
+ "LL_IOC_LOV_GETSTRIPE" :
+ "IOC_MDC_GETFILESTRIPE", path);
}
- return ret;
- }
+ return ret;
+ }
dump:
if (!(param->fp_verbose & VERBOSE_MDTINDEX))
- llapi_lov_dump_user_lmm(param, path, d ? LDF_IS_DIR : 0);
+ llapi_lov_dump_user_lmm(param, path, d != -1 ? LDF_IS_DIR : 0);
out:
/* Do not get down anymore? */
int llapi_getstripe(char *path, struct find_param *param)
{
return param_callback(path, (param->fp_verbose & VERBOSE_MDTINDEX) ?
- cb_get_mdt_index : cb_getstripe,
- cb_common_fini, param);
+ cb_get_mdt_index : cb_getstripe,
+ cb_common_fini, param);
}
int llapi_obd_fstatfs(int fd, __u32 type, __u32 index,
struct obd_statfs *stat_buf, struct obd_uuid *uuid_buf)
{
char raw[MAX_IOC_BUFLEN] = {'\0'};
- char *rawbuf = raw;
- struct obd_ioctl_data data = { 0 };
- int rc = 0;
-
- data.ioc_inlbuf1 = (char *)&type;
- data.ioc_inllen1 = sizeof(__u32);
- data.ioc_inlbuf2 = (char *)&index;
- data.ioc_inllen2 = sizeof(__u32);
- data.ioc_pbuf1 = (char *)stat_buf;
- data.ioc_plen1 = sizeof(struct obd_statfs);
- data.ioc_pbuf2 = (char *)uuid_buf;
- data.ioc_plen2 = sizeof(struct obd_uuid);
+ char *rawbuf = raw;
+ struct obd_ioctl_data data = { 0 };
+ int rc = 0;
+
+ data.ioc_inlbuf1 = (char *)&type;
+ data.ioc_inllen1 = sizeof(__u32);
+ data.ioc_inlbuf2 = (char *)&index;
+ data.ioc_inllen2 = sizeof(__u32);
+ data.ioc_pbuf1 = (char *)stat_buf;
+ data.ioc_plen1 = sizeof(struct obd_statfs);
+ data.ioc_pbuf2 = (char *)uuid_buf;
+ data.ioc_plen2 = sizeof(struct obd_uuid);
rc = llapi_ioctl_pack(&data, &rawbuf, sizeof(raw));
- if (rc != 0) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "llapi_obd_statfs: error packing ioctl data");
- return rc;
- }
+ if (rc != 0) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "%s: error packing ioctl data", __func__);
+ return rc;
+ }
rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc, "error: %s: opening '%s'",
__func__, path);
- /* If we can't even open a file on the filesystem (e.g. with
- * -ESHUTDOWN), force caller to exit or it will loop forever. */
+ /*
+ * If we can't even open a file on the filesystem (e.g. with
+ * -ESHUTDOWN), force caller to exit or it will loop forever.
+ */
return -ENODEV;
}
}
int llapi_target_iterate(int type_num, char **obd_type,
- void *args, llapi_cb_t cb)
+ void *args, llapi_cb_t cb)
{
int i, rc = 0;
glob_t param;
}
static void do_target_check(char *obd_type_name, char *obd_name,
- char *obd_uuid, void *args)
+ char *obd_uuid, void *args)
{
- int rc;
-
- rc = llapi_ping(obd_type_name, obd_name);
- if (rc == ENOTCONN) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s inactive.\n", obd_name);
- } else if (rc) {
- llapi_error(LLAPI_MSG_ERROR, rc, "error: check '%s'", obd_name);
- } else {
- llapi_printf(LLAPI_MSG_NORMAL, "%s active.\n", obd_name);
- }
+ int rc;
+
+ rc = llapi_ping(obd_type_name, obd_name);
+ if (rc == ENOTCONN)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s inactive.\n", obd_name);
+ else if (rc)
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: check '%s'", obd_name);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "%s active.\n", obd_name);
}
int llapi_target_check(int type_num, char **obd_type, char *dir)
{
- return llapi_target_iterate(type_num, obd_type, NULL, do_target_check);
+ return llapi_target_iterate(type_num, obd_type, NULL, do_target_check);
}
#undef MAX_STRING_SIZE
/* Is this a lustre client fs? */
int llapi_is_lustre_mnt(struct mntent *mnt)
{
- return (llapi_is_lustre_mnttype(mnt->mnt_type) &&
- strstr(mnt->mnt_fsname, ":/") != NULL);
+ return (llapi_is_lustre_mnttype(mnt->mnt_type) &&
+ strstr(mnt->mnt_fsname, ":/") != NULL);
}
int llapi_quotactl(char *mnt, struct if_quotactl *qctl)
rc = ioctl(root, OBD_IOC_QUOTACTL, qctl);
if (rc < 0)
rc = -errno;
+ if (rc == -ENOENT && LUSTRE_Q_CMD_IS_POOL(qctl->qc_cmd))
+ llapi_error(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO, rc,
+ "Cannot find pool '%s'", qctl->qc_poolname);
close(root);
return rc;
}
/**
- * Get a 64-bit value representing the version of file data pointed by fd.
- *
- * Each write or truncate, flushed on OST, will change this value. You can use
- * this value to verify if file data was modified. This only checks the file
- * data, not metadata.
- *
- * \param flags 0: no flush pages, usually used it the process has already
- * taken locks;
- * LL_DV_RD_FLUSH: OSTs will take LCK_PR to flush dirty pages
- * from clients;
- * LL_DV_WR_FLUSH: OSTs will take LCK_PW to flush all caching
- * pages from clients.
- *
- * \retval 0 on success.
- * \retval -errno on error.
- */
-int llapi_get_data_version(int fd, __u64 *data_version, __u64 flags)
-{
- int rc;
- struct ioc_data_version idv;
-
- idv.idv_flags = (__u32)flags;
-
- rc = ioctl(fd, LL_IOC_DATA_VERSION, &idv);
- if (rc)
- rc = -errno;
- else
- *data_version = idv.idv_version;
-
- return rc;
-}
-
-/**
* Flush cached pages from all clients.
*
* \param fd File descriptor
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;
-}
-
-/*
- * Create a file without any name and open it for read/write
- *
- * - file is created as if it were a standard file in the given \a directory
- * - file does not appear in \a directory and mtime does not change because
- * the filename is handled specially by the Lustre MDS.
- * - file is destroyed at final close
- *
- * \param[in] directory directory from which to inherit layout/MDT idx
- * \param[in] mdt_idx MDT index on which the file is created,
- * \a idx == -1 means no specific MDT is requested
- * \param[in] mode standard open(2) mode
- * \param[in] stripe_param stripe parameters. May be NULL.
- *
- * \retval a file descriptor on success.
- * \retval -errno on error.
- */
-int llapi_create_volatile_param(const char *directory, int mdt_idx,
- int open_flags, mode_t mode,
- const struct llapi_stripe_param *stripe_param)
-{
- char file_path[PATH_MAX];
- int saved_errno = errno;
- int fd;
- unsigned int rnumber;
- int rc;
-
- do {
- rnumber = random();
- if (mdt_idx == -1)
- rc = snprintf(file_path, sizeof(file_path),
- "%s/" LUSTRE_VOLATILE_HDR "::%.4X",
- directory, rnumber);
- else
- rc = snprintf(file_path, sizeof(file_path),
- "%s/" LUSTRE_VOLATILE_HDR ":%.4X:%.4X",
- directory, mdt_idx, rnumber);
-
- if (rc < 0 || rc >= sizeof(file_path))
- return -ENAMETOOLONG;
-
- /*
- * Either open O_WRONLY or O_RDWR, creating RDONLY
- * is non-sensical here
- */
- if ((open_flags & O_ACCMODE) == O_RDONLY)
- open_flags = O_RDWR | (open_flags & ~O_ACCMODE);
-
- open_flags |= O_CREAT | O_EXCL | O_NOFOLLOW;
-
- if (stripe_param != NULL) {
- fd = llapi_file_open_param(file_path, open_flags,
- mode, stripe_param);
- if (fd < 0)
- rc = fd;
- } else {
- fd = open(file_path, open_flags, mode);
- if (fd < 0)
- rc = -errno;
- }
- } while (fd < 0 && rc == -EEXIST);
-
- if (fd < 0) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Cannot create volatile file '%s' in '%s'",
- file_path + strlen(directory) + 1 +
- LUSTRE_VOLATILE_HDR_LEN,
- directory);
- return rc;
- }
-
- /*
- * Unlink file in case this wasn't a Lustre filesystem and the magic
- * volatile filename wasn't handled as intended. The effect is the
- * same. If volatile open was supported then we expect unlink() to
- * return -ENOENT.
- */
- (void)unlink(file_path);
-
- /*
- * Since we are returning successfully we restore errno (and
- * mask out possible EEXIST from open() and ENOENT from unlink().
- */
- errno = saved_errno;
-
- return fd;
-}
-
-/*
- * Create a file without any name open it for read/write
- *
- * - file is created as if it were a standard file in the given \a directory
- * - file does not appear in \a directory and mtime does not change because
- * the filename is handled specially by the Lustre MDS.
- * - file is removed at final close
- * - file modes are rw------- since it doesn't make sense to have a read-only
- * or write-only file that cannot be opened again.
- * - if user wants another mode it must use fchmod() on the open file, no
- * security problems arise because it cannot be opened by another process.
- *
- * \param[in] directory directory from which to inherit layout/MDT idx
- * \param[in] idx MDT index on which the file is created,
- * \a idx == -1 means no specific MDT is requested
- * \param[in] open_flags standard open(2) flags
- *
- * \retval a file descriptor on success.
- * \retval -errno on error.
- */
-int llapi_create_volatile_idx(const char *directory, int mdt_idx,
- int open_flags)
-{
- return llapi_create_volatile_param(directory, mdt_idx, open_flags,
- S_IRUSR | S_IWUSR, NULL);
-}
-
-/**
- * Swap the layouts between 2 file descriptors
- * the 2 files must be open for writing
- * first fd received the ioctl, second fd is passed as arg
- * this is assymetric but avoid use of root path for ioctl
- */
-int llapi_fswap_layouts_grouplock(int fd1, int fd2, __u64 dv1, __u64 dv2,
- int gid, __u64 flags)
-{
- struct lustre_swap_layouts lsl;
- struct stat st1;
- struct stat st2;
- int rc;
-
- if (flags & (SWAP_LAYOUTS_KEEP_ATIME | SWAP_LAYOUTS_KEEP_MTIME)) {
- rc = fstat(fd1, &st1);
- if (rc < 0)
- return -errno;
-
- rc = fstat(fd2, &st2);
- if (rc < 0)
- return -errno;
- }
- lsl.sl_fd = fd2;
- lsl.sl_flags = flags;
- lsl.sl_gid = gid;
- lsl.sl_dv1 = dv1;
- lsl.sl_dv2 = dv2;
- rc = ioctl(fd1, LL_IOC_LOV_SWAP_LAYOUTS, &lsl);
- if (rc < 0)
- return -errno;
-
- if (flags & (SWAP_LAYOUTS_KEEP_ATIME | SWAP_LAYOUTS_KEEP_MTIME)) {
- struct timeval tv1[2];
- struct timeval tv2[2];
-
- memset(tv1, 0, sizeof(tv1));
- memset(tv2, 0, sizeof(tv2));
-
- if (flags & SWAP_LAYOUTS_KEEP_ATIME) {
- tv1[0].tv_sec = st1.st_atime;
- tv2[0].tv_sec = st2.st_atime;
- } else {
- tv1[0].tv_sec = st2.st_atime;
- tv2[0].tv_sec = st1.st_atime;
- }
-
- if (flags & SWAP_LAYOUTS_KEEP_MTIME) {
- tv1[1].tv_sec = st1.st_mtime;
- tv2[1].tv_sec = st2.st_mtime;
- } else {
- tv1[1].tv_sec = st2.st_mtime;
- tv2[1].tv_sec = st1.st_mtime;
- }
-
- rc = futimes(fd1, tv1);
- if (rc < 0)
- return -errno;
-
- rc = futimes(fd2, tv2);
- if (rc < 0)
- return -errno;
- }
-
- return 0;
-}
-
-int llapi_fswap_layouts(int fd1, int fd2, __u64 dv1, __u64 dv2, __u64 flags)
-{
- int rc;
- int grp_id;
-
- do
- grp_id = random();
- while (grp_id == 0);
-
- rc = llapi_fswap_layouts_grouplock(fd1, fd2, dv1, dv2, grp_id, flags);
- if (rc < 0)
- return rc;
-
- return 0;
-}
-
-/**
- * Swap the layouts between 2 files
- * the 2 files are open in write
- */
-int llapi_swap_layouts(const char *path1, const char *path2,
- __u64 dv1, __u64 dv2, __u64 flags)
-{
- int fd1, fd2, rc;
-
- fd1 = open(path1, O_WRONLY | O_LOV_DELAY_CREATE);
- if (fd1 < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "error: cannot open '%s' for write", path1);
- goto out;
- }
-
- fd2 = open(path2, O_WRONLY | O_LOV_DELAY_CREATE);
- if (fd2 < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "error: cannot open '%s' for write", path2);
- goto out_close;
- }
-
- rc = llapi_fswap_layouts(fd1, fd2, dv1, dv2, flags);
- if (rc < 0)
- llapi_error(LLAPI_MSG_ERROR, rc,
- "error: cannot swap layout between '%s' and '%s'",
- path1, path2);
-
- close(fd2);
-out_close:
- close(fd1);
-out:
- return rc;
-}
-
-/**
- * Take group lock.
- *
- * \param fd File to lock.
- * \param gid Group Identifier.
- *
- * \retval 0 on success.
- * \retval -errno on failure.
- */
-int llapi_group_lock(int fd, int gid)
-{
- int rc;
-
- rc = ioctl(fd, LL_IOC_GROUP_LOCK, gid);
- if (rc < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "cannot get group lock");
- }
- return rc;
-}
-
-/**
- * Put group lock.
- *
- * \param fd File to unlock.
- * \param gid Group Identifier.
- *
- * \retval 0 on success.
- * \retval -errno on failure.
- */
-int llapi_group_unlock(int fd, int gid)
-{
- int rc;
-
- rc = ioctl(fd, LL_IOC_GROUP_UNLOCK, gid);
- if (rc < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "cannot put group lock");
- }
- return rc;
-}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff