#include <sys/xattr.h>
#include <fnmatch.h>
#include <glob.h>
+#include <libgen.h> /* for dirname() */
#ifdef HAVE_LINUX_UNISTD_H
#include <linux/unistd.h>
#else
return 0;
}
+/**
+ * In DNE phase I, only stripe_offset will be used in this function.
+ * stripe_count, stripe_pattern and pool_name will be supported later.
+ */
+int llapi_dir_create_pool(const char *name, int flags, int stripe_offset,
+ int stripe_count, int stripe_pattern, char *pool_name)
+{
+ struct lmv_user_md lmu = { 0 };
+ struct obd_ioctl_data data = { 0 };
+ char rawbuf[8192];
+ char *buf = rawbuf;
+ char *dirpath = NULL;
+ char *namepath = NULL;
+ char *dir;
+ char *filename;
+ int fd = -1;
+ int rc;
+
+ dirpath = strdup(name);
+ namepath = strdup(name);
+ if (!dirpath || !namepath)
+ 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);
+ GOTO(out, rc = -E2BIG);
+ }
+ memcpy(lmu.lum_pool_name, pool_name, strlen(pool_name));
+ }
+
+ filename = basename(namepath);
+ lmu.lum_type = LMV_STRIPE_TYPE;
+ 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);
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: LL_IOC_LMV_SETSTRIPE pack failed '%s'.",
+ name);
+ GOTO(out, rc);
+ }
+
+ fd = open(dir, O_DIRECTORY | O_RDONLY);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'", name);
+ GOTO(out, rc);
+ }
+
+ if (ioctl(fd, LL_IOC_LMV_SETSTRIPE, buf)) {
+ char *errmsg = "stripe already set";
+ rc = -errno;
+ if (errno != EEXIST && errno != EALREADY)
+ errmsg = strerror(errno);
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error on LL_IOC_LMV_SETSTRIPE '%s' (%d): %s",
+ name, fd, errmsg);
+ }
+ close(fd);
+out:
+ free(dirpath);
+ free(namepath);
+ return rc;
+}
+
+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, rc);
+ }
+
+ if (ioctl(fd, LL_IOC_REMOVE_ENTRY, filename)) {
+ char *errmsg = strerror(errno);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error on ioctl "LPX64" for '%s' (%d): %s",
+ (__u64)LL_IOC_LMV_SETSTRIPE, filename,
+ fd, errmsg);
+ }
+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
static int common_param_init(struct find_param *param, char *path)
{
- param->lumlen = get_mds_md_size(path);
- param->lmd = malloc(sizeof(lstat_t) + param->lumlen);
- if (param->lmd == NULL) {
- llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
- "error: allocation of %d bytes for ioctl",
- sizeof(lstat_t) + param->lumlen);
- return -ENOMEM;
- }
+ param->lumlen = get_mds_md_size(path);
+ param->lmd = malloc(sizeof(lstat_t) + param->lumlen);
+ if (param->lmd == NULL) {
+ llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
+ "error: allocation of %d bytes for ioctl",
+ sizeof(lstat_t) + param->lumlen);
+ return -ENOMEM;
+ }
+
+ param->fp_lmv_count = 256;
+ param->fp_lmv_md = malloc(lmv_user_md_size(256, LMV_MAGIC_V1));
+ if (param->fp_lmv_md == NULL) {
+ llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
+ "error: allocation of %d bytes for ioctl",
+ lmv_user_md_size(256, LMV_MAGIC_V1));
+ return -ENOMEM;
+ }
param->got_uuids = 0;
param->obdindexes = NULL;
static void find_param_fini(struct find_param *param)
{
- if (param->obdindexes)
- free(param->obdindexes);
+ if (param->obdindexes)
+ free(param->obdindexes);
+
+ if (param->lmd)
+ free(param->lmd);
- if (param->lmd)
- free(param->lmd);
+ if (param->fp_lmv_md)
+ free(param->fp_lmv_md);
}
static int cb_common_fini(char *path, DIR *parent, DIR *d, void *data,
return parent;
}
+static int cb_get_dirstripe(char *path, DIR *d, struct find_param *param)
+{
+ struct lmv_user_md *lmv = (struct lmv_user_md *)param->fp_lmv_md;
+ int ret = 0;
+
+ lmv->lum_stripe_count = param->fp_lmv_count;
+ lmv->lum_magic = LMV_MAGIC_V1;
+ ret = ioctl(dirfd(d), LL_IOC_LMV_GETSTRIPE, lmv);
+ return ret;
+}
+
static int get_lmd_info(char *path, DIR *parent, DIR *dir,
struct lov_user_mds_data *lmd, int lumlen)
{
"%s ioctl failed for %s.",
dir ? "LL_IOC_MDC_GETINFO" :
"IOC_MDC_GETFILEINFO", path);
- } else {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "error: %s: IOC_MDC_GETFILEINFO failed for %s",
- __func__, path);
- }
- }
- return ret;
+ } else {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: IOC_MDC_GETFILEINFO failed for %s",
+ __func__, path);
+ }
+ }
+ return ret;
}
int llapi_mds_getfileinfo(char *path, DIR *parent,
}
static int llapi_semantic_traverse(char *path, int size, DIR *parent,
- semantic_func_t sem_init,
- semantic_func_t sem_fini, void *data,
- cfs_dirent_t *de)
+ semantic_func_t sem_init,
+ semantic_func_t sem_fini, void *data,
+ cfs_dirent_t *de)
{
- cfs_dirent_t *dent;
- int len, ret;
- DIR *d, *p = NULL;
+ struct find_param *param = (struct find_param *)data;
+ cfs_dirent_t *dent;
+ int len, ret;
+ DIR *d, *p = NULL;
ret = 0;
len = strlen(path);
if (sem_init && (ret = sem_init(path, parent ?: p, d, data, de)))
goto err;
- if (!d)
- GOTO(out, ret = 0);
+ if (!d || (param->get_lmv && !param->recursive))
+ GOTO(out, ret = 0);
- while ((dent = readdir64(d)) != NULL) {
- ((struct find_param *)data)->have_fileinfo = 0;
+ while ((dent = readdir64(d)) != NULL) {
+ param->have_fileinfo = 0;
if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
continue;
strcat(path, dent->d_name);
if (dent->d_type == DT_UNKNOWN) {
- lstat_t *st = &((struct find_param *)data)->lmd->lmd_st;
+ lstat_t *st = ¶m->lmd->lmd_st;
- ret = llapi_mds_getfileinfo(path, d,
- ((struct find_param *)data)->lmd);
+ ret = llapi_mds_getfileinfo(path, d, param->lmd);
if (ret == 0) {
- ((struct find_param *)data)->have_fileinfo = 1;
- dent->d_type =
- llapi_filetype_dir_table[st->st_mode &
- S_IFMT];
- }
+ dent->d_type =
+ llapi_filetype_dir_table[st->st_mode &
+ S_IFMT];
+ }
if (ret == -ENOENT)
continue;
- }
-
+ }
switch (dent->d_type) {
case DT_UNKNOWN:
llapi_err_noerrno(LLAPI_MSG_ERROR,
}
}
-void llapi_lov_dump_user_lmm(struct find_param *param,
- char *path, int is_dir)
+void lmv_dump_user_lmm(struct lmv_user_md *lum, char *pool_name,
+ char *path, int obdindex, int depth, int verbose)
{
- switch(*(__u32 *)¶m->lmd->lmd_lmm) { /* lum->lmm_magic */
+ struct lmv_user_mds_data *objects = lum->lum_objects;
+ char *prefix = lum->lum_magic == LMV_USER_MAGIC ? "(Default)" : "";
+ int i, obdstripe = 0;
+
+ if (obdindex != OBD_NOT_FOUND) {
+ 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;
+ break;
+ }
+ }
+ } else {
+ obdstripe = 1;
+ }
+
+ /* show all information default */
+ if (!verbose) {
+ if (lum->lum_magic == LMV_USER_MAGIC)
+ verbose = VERBOSE_POOL | VERBOSE_COUNT | VERBOSE_OFFSET;
+ else
+ verbose = VERBOSE_OBJID;
+ }
+
+ if (lum->lum_magic == LMV_USER_MAGIC)
+ verbose &= ~VERBOSE_OBJID;
+
+ if (depth && path && ((verbose != VERBOSE_OBJID)))
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+
+ if (verbose & VERBOSE_COUNT) {
+ if (verbose & ~VERBOSE_COUNT)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_count: ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%u\n",
+ (int)lum->lum_stripe_count);
+ }
+
+ if (verbose & VERBOSE_OFFSET) {
+ if (verbose & ~VERBOSE_OFFSET)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_offset: ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%d\n",
+ (int)lum->lum_stripe_offset);
+ }
+
+ if (verbose & VERBOSE_OBJID) {
+ if ((obdstripe == 1))
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\tmdtidx\t\t FID[seq:oid:ver]\n");
+ for (i = 0; i < lum->lum_stripe_count; i++) {
+ int idx = objects[i].lum_mds;
+ struct lu_fid *fid = &objects[i].lum_fid;
+ if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx))
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\t%6u\t\t "DFID"\t\t%s\n",
+ idx, PFID(fid),
+ obdindex == idx ? " *" : "");
+ }
+
+ }
+
+ if ((verbose & VERBOSE_POOL) && (pool_name[0] != '\0')) {
+ if (verbose & ~VERBOSE_POOL)
+ llapi_printf(LLAPI_MSG_NORMAL, "%slmv_pool: ",
+ prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%c ", pool_name, ' ');
+ }
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+}
+
+void llapi_lov_dump_user_lmm(struct find_param *param, char *path, int is_dir)
+{
+ __u32 magic;
+
+ if (param->get_lmv)
+ magic = (__u32)param->fp_lmv_md->lum_magic;
+ else
+ magic = *(__u32 *)¶m->lmd->lmd_lmm; /* lum->lmm_magic */
+
+ switch (magic) {
case LOV_USER_MAGIC_V1:
lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, NULL,
param->lmd->lmd_lmm.lmm_objects,
param->verbose, param->raw);
break;
}
- default:
- llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
- "(expecting one of %#x %#x %#x)\n",
- *(__u32 *)¶m->lmd->lmd_lmm,
- LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3);
- return;
- }
+ 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;
+ strncpy(pool_name, lum->lum_pool_name, LOV_MAXPOOLNAME);
+ lmv_dump_user_lmm(lum, pool_name, path,
+ param->obdindex, param->maxdepth,
+ param->verbose);
+ break;
+ }
+ default:
+ llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
+ "(expecting one of %#x %#x %#x %#x)\n",
+ *(__u32 *)¶m->lmd->lmd_lmm,
+ LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3,
+ LMV_USER_MAGIC, LMV_MAGIC_V1);
+ return;
+ }
}
int llapi_file_get_stripe(const char *path, struct lov_user_md *lum)
return ret;
}
- if (d) {
- ret = ioctl(dirfd(d), LL_IOC_LOV_GETSTRIPE,
- (void *)¶m->lmd->lmd_lmm);
- } else if (parent) {
- char *fname = strrchr(path, '/');
- fname = (fname == NULL ? path : fname + 1);
+ if (d) {
+ if (param->get_lmv) {
+ ret = cb_get_dirstripe(path, d, param);
+ } else {
+ ret = ioctl(dirfd(d), LL_IOC_LOV_GETSTRIPE,
+ (void *)¶m->lmd->lmd_lmm);
+ }
- strncpy((char *)¶m->lmd->lmd_lmm, fname, param->lumlen);
+ } else if (parent) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
- ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
- (void *)¶m->lmd->lmd_lmm);
- }
+ if (param->get_lmv) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s get dirstripe information for file\n",
+ path);
+ goto out;
+ }
+
+ strncpy((char *)¶m->lmd->lmd_lmm, fname, param->lumlen);
+
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
+ (void *)¶m->lmd->lmd_lmm);
+ }
if (ret) {
if (errno == ENODATA && d != NULL) {
goto dump;
} else if (errno == ENODATA && parent != NULL) {
- if (!param->obduuid)
+ if (!param->obduuid && !param->mdtuuid)
llapi_printf(LLAPI_MSG_NORMAL,
"%s has no stripe info\n", path);
goto out;