* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#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
#include <liblustre.h>
#include <lnet/lnetctl.h>
#include <obd.h>
-#include <lustre_lib.h>
#include <obd_lov.h>
-#include <lustre/liblustreapi.h>
+#include <lustre/lustreapi.h>
+#include "lustreapi_internal.h"
static unsigned llapi_dir_filetype_table[] = {
[DT_UNKNOWN]= 0,
return get_param(devices, value, val_len);
}
-static int get_mds_md_size(char *path)
+/*
+ * TYPE one of llite, lmv, lov.
+ * /proc/fs/lustre/TYPE/INST the directory of interest.
+ */
+static int get_param_cli(const char *type, const char *inst,
+ const char *param, char *buf, size_t buf_size)
{
- int lumlen = lov_mds_md_size(LOV_MAX_STRIPE_COUNT, LOV_MAGIC_V3);
- char buf[16];
+ char param_path[PATH_MAX + 1];
+ FILE *param_file = NULL;
+ int rc;
+
+ snprintf(param_path, sizeof(param_path),
+ "/proc/fs/lustre/%s/%s/%s", type, inst, param);
+
+ param_file = fopen(param_path, "r");
+ if (param_file == NULL) {
+ rc = -errno;
+ goto out;
+ }
+
+ if (fgets(buf, buf_size, param_file) == NULL) {
+ rc = -errno;
+ goto out;
+ }
+
+ rc = 0;
+out:
+ if (param_file != NULL)
+ fclose(param_file);
+
+ return rc;
+}
+
+static int get_param_llite(const char *path,
+ const char *param, char *buf, size_t buf_size)
+{
+ char inst[80];
+ int rc;
+
+ rc = llapi_getname(path, inst, sizeof(inst));
+ if (rc != 0)
+ return rc;
+
+ return get_param_cli("llite", inst, param, buf, buf_size);
+}
+
+static int get_param_lov(const char *path,
+ const char *param, char *buf, size_t buf_size)
+{
+ struct obd_uuid uuid;
+ int rc;
+
+ rc = llapi_file_get_lov_uuid(path, &uuid);
+ if (rc != 0)
+ return rc;
+
+ return get_param_cli("lov", uuid.uuid, param, buf, buf_size);
+}
+
+static int get_param_lmv(const char *path,
+ const char *param, char *buf, size_t buf_size)
+{
+ struct obd_uuid uuid;
+ int rc;
+
+ rc = llapi_file_get_lmv_uuid(path, &uuid);
+ if (rc != 0)
+ return rc;
+
+ return get_param_cli("lmv", uuid.uuid, param, buf, buf_size);
+}
+
+static int get_mds_md_size(const char *path)
+{
+ int md_size = lov_user_md_size(LOV_MAX_STRIPE_COUNT, LOV_USER_MAGIC_V3);
+ char buf[80];
+ int rc;
+
+ /* Get the max ea size from llite proc. */
+ rc = get_param_llite(path, "max_easize", buf, sizeof(buf));
+ if (rc != 0)
+ goto out;
+
+ rc = atoi(buf);
+ if (rc > 0)
+ md_size = rc;
- /* Now get the maxea from llite proc */
- if (!get_param_obdvar(NULL, path, "llite", "max_easize",
- buf, sizeof(buf)))
- lumlen = atoi(buf);
- return lumlen;
+out:
+ return md_size;
}
/*
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
*/
-#define WANT_PATH 0x1
-#define WANT_FSNAME 0x2
-#define WANT_FD 0x4
-#define WANT_INDEX 0x8
-#define WANT_ERROR 0x10
-static int get_root_path(int want, char *fsname, int *outfd, char *path,
- int index)
+int get_root_path(int want, char *fsname, int *outfd, char *path, int index)
{
struct mntent mnt;
char buf[PATH_MAX], mntdir[PATH_MAX];
mntlen = strlen(mnt.mnt_dir);
ptr = strrchr(mnt.mnt_fsname, '/');
- if (!ptr && !len) {
- rc = -EINVAL;
- break;
- }
+ /* thanks to the call to llapi_is_lustre_mnt() above,
+ * we are sure that mnt.mnt_fsname contains ":/",
+ * so ptr should never be NULL */
+ if (ptr == NULL)
+ continue;
ptr++;
/* Check the fsname for a match, if given */
return rc;
}
+int llapi_search_rootpath(char *pathname, const char *fsname)
+{
+ return get_root_path(WANT_PATH, (char *)fsname, NULL, pathname, -1);
+}
+
int llapi_getname(const char *path, char *buf, size_t size)
{
struct obd_uuid uuid_buf;
}
typedef int (semantic_func_t)(char *path, DIR *parent, DIR *d,
- void *data, cfs_dirent_t *de);
+ void *data, struct dirent64 *de);
#define OBD_NOT_FOUND (-1)
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;
- }
+ int lumlen = get_mds_md_size(path);
+
+ if (lumlen < PATH_MAX + 1)
+ lumlen = PATH_MAX + 1;
+
+ param->lumlen = lumlen;
+ 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->got_uuids = 0;
- param->obdindexes = NULL;
- param->obdindex = OBD_NOT_FOUND;
- return 0;
+ 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;
+ param->obdindex = OBD_NOT_FOUND;
+ param->mdtindex = OBD_NOT_FOUND;
+ return 0;
}
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,
- cfs_dirent_t *de)
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
param->depth--;
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;
-}
-
-int llapi_mds_getfileinfo(char *path, DIR *parent,
- struct lov_user_mds_data *lmd)
-{
- int lumlen = get_mds_md_size(path);
-
- return get_lmd_info(path, parent, NULL, lmd, lumlen);
+ } else {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: IOC_MDC_GETFILEINFO failed for %s",
+ __func__, path);
+ }
+ }
+ return ret;
}
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,
+ struct dirent64 *de)
{
- cfs_dirent_t *dent;
- int len, ret;
- DIR *d, *p = NULL;
+ struct find_param *param = (struct find_param *)data;
+ struct dirent64 *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 = get_lmd_info(path, d, NULL, param->lmd,
+ param->lumlen);
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,
return rc;
}
+int llapi_file_get_lmv_uuid(const char *path, struct obd_uuid *lov_uuid)
+{
+ int fd, rc;
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
+ return rc;
+ }
+
+ rc = llapi_file_fget_lmv_uuid(fd, lov_uuid);
+
+ close(fd);
+ return rc;
+}
+
enum tgt_type {
LOV_TYPE = 1,
LMV_TYPE
char buf[16];
int *indexes;
- ret = get_param_obdvar(NULL, path, type == LOV_TYPE ? "lov" : "lmv",
- "numobd", buf, sizeof(buf));
- if (ret)
- return ret;
+ if (type == LOV_TYPE)
+ ret = get_param_lov(path, "numobd", buf, sizeof(buf));
+ else
+ ret = get_param_lmv(path, "numobd", buf, sizeof(buf));
+ if (ret != 0)
+ return ret;
obdcount = atoi(buf);
uuids = (struct obd_uuid *)malloc(obdcount *
char nl = is_dir ? ' ' : '\n';
int rc;
- if (is_dir && lum->lmm_object_seq == FID_SEQ_LOV_DEFAULT) {
- lum->lmm_object_seq = FID_SEQ_OST_MDT0;
- if (verbose & VERBOSE_DETAIL)
- llapi_printf(LLAPI_MSG_NORMAL, "(Default) ");
- }
+ if (is_dir && lmm_oi_seq(&lum->lmm_oi) == FID_SEQ_LOV_DEFAULT) {
+ lmm_oi_set_seq(&lum->lmm_oi, 0);
+ if (verbose & VERBOSE_DETAIL)
+ llapi_printf(LLAPI_MSG_NORMAL, "(Default) ");
+ }
if (depth && path && ((verbose != VERBOSE_OBJID) || !is_dir))
llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
- if ((verbose & VERBOSE_DETAIL) && !is_dir) {
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_magic: 0x%08X\n",
- lum->lmm_magic);
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_seq: "LPX64"\n",
- lum->lmm_object_seq);
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_id: "LPX64"\n",
- lum->lmm_object_id);
- }
+ if ((verbose & VERBOSE_DETAIL) && !is_dir) {
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_magic: 0x%08X\n",
+ lum->lmm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_seq: "LPX64"\n",
+ lmm_oi_seq(&lum->lmm_oi));
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_id: "LPX64"\n",
+ lmm_oi_id(&lum->lmm_oi));
+ }
if (verbose & VERBOSE_COUNT) {
if (verbose & ~VERBOSE_COUNT)
llapi_printf(LLAPI_MSG_NORMAL, "%slayout_gen: ",
prefix);
llapi_printf(LLAPI_MSG_NORMAL, "%u%c",
- (int)lum->u.lum_layout_gen, nl);
+ (int)lum->lmm_layout_gen, nl);
}
if (verbose & VERBOSE_OFFSET) {
lov_dump_user_lmm_header(lum, path, objects, is_dir, header,
depth, raw, pool_name);
- if (!is_dir && (header & VERBOSE_OBJID)) {
+ if (!is_dir && (header & VERBOSE_OBJID) &&
+ !(lum->lmm_pattern & LOV_PATTERN_F_RELEASED)) {
if (obdstripe == 1)
llapi_printf(LLAPI_MSG_NORMAL,
- "\tobdidx\t\t objid\t\tobjid\t\t group\n");
+ "\tobdidx\t\t objid\t\t objid\t\t group\n");
for (i = 0; i < lum->lmm_stripe_count; i++) {
int idx = objects[i].l_ost_idx;
- long long oid = objects[i].l_object_id;
- long long gr = objects[i].l_object_seq;
- if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx))
- llapi_printf(LLAPI_MSG_NORMAL,
- "\t%6u\t%14llu\t%#13llx\t%14llu%s\n",
- idx, oid, oid, gr,
- obdindex == idx ? " *" : "");
+ long long oid = ostid_id(&objects[i].l_ost_oi);
+ long long gr = ostid_seq(&objects[i].l_ost_oi);
+ if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx)) {
+ char fmt[48];
+ sprintf(fmt, "%s%s%s\n",
+ "\t%6u\t%14llu\t%#13llx\t",
+ (fid_seq_is_rsvd(gr) ||
+ fid_seq_is_mdt0(gr)) ?
+ "%14llu" : "%#14llx", "%s");
+ llapi_printf(LLAPI_MSG_NORMAL, fmt, idx, oid,
+ oid, gr,
+ obdindex == idx ? " *" : "");
+ }
+
}
llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
}
-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)
}
static int cb_find_init(char *path, DIR *parent, DIR *dir,
- void *data, cfs_dirent_t *de)
+ void *data, struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
int decision = 1; /* 1 is accepted; -1 is rejected. */
}
static int cb_get_mdt_index(char *path, DIR *parent, DIR *d, void *data,
- cfs_dirent_t *de)
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
int ret = 0;
return ret;
}
+ /* The 'LASSERT(parent != NULL || d != NULL);' guarantees
+ * that either 'd' or 'parent' is not null.
+ * So in all cases llapi_file_fget_mdtidx() is called,
+ * thus initializing 'mdtidx'. */
if (param->quiet || !(param->verbose & VERBOSE_DETAIL))
+ /* coverity[uninit_use_in_call] */
llapi_printf(LLAPI_MSG_NORMAL, "%d\n", mdtidx);
else
+ /* coverity[uninit_use_in_call] */
llapi_printf(LLAPI_MSG_NORMAL, "%s\nmdt_index:\t%d\n",
path, mdtidx);
}
static int cb_getstripe(char *path, DIR *parent, DIR *d, void *data,
- cfs_dirent_t *de)
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
int ret = 0;
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) {
- /* 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. */
- struct lov_user_md *lmm = ¶m->lmd->lmd_lmm;
- lmm->lmm_magic = LOV_MAGIC_V1;
- if (!param->raw)
- lmm->lmm_object_seq = FID_SEQ_LOV_DEFAULT;
- lmm->lmm_stripe_count = 0;
- lmm->lmm_stripe_size = 0;
- lmm->lmm_stripe_offset = -1;
- goto dump;
-
+ /* 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. */
+ struct lov_user_md *lmm = ¶m->lmd->lmd_lmm;
+ lmm->lmm_magic = LOV_USER_MAGIC_V1;
+ if (!param->raw)
+ ostid_set_seq(&lmm->lmm_oi,
+ FID_SEQ_LOV_DEFAULT);
+ lmm->lmm_stripe_count = 0;
+ lmm->lmm_stripe_size = 0;
+ lmm->lmm_stripe_offset = -1;
+ 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;
return rc;
}
+ /* The purpose is to send a byte as a ping, whatever this byte is. */
+ /* coverity[uninit_use_in_call] */
rc = write(fd, buf, 1);
if (rc < 0)
rc = -errno;
}
static int cb_quotachown(char *path, DIR *parent, DIR *d, void *data,
- cfs_dirent_t *de)
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
lstat_t *st;
}
rc = ioctl(fd, LL_IOC_RMTACL, ops);
+ close(fd);
if (rc < 0) {
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc, "ioctl %d\n", fd);
out:
endmntent(fp);
- if (fd >= 0)
- close(fd);
return ((rc != 0) ? rc : found);
}
* \param mdtidxp pointer to integer within data to be filled in with the
* mdt index (0 if no mdt is specified). NULL won't be filled.
*/
-static int root_ioctl(const char *mdtname, int opc, void *data, int *mdtidxp,
- int want_error)
+int root_ioctl(const char *mdtname, int opc, void *data, int *mdtidxp,
+ int want_error)
{
char fsname[20];
char *ptr;
return rc;
}
-static int path2fid_from_lma(const char *path, lustre_fid *fid)
+static int fid_from_lma(const char *path, const int fd, lustre_fid *fid)
{
- char buf[512];
- struct lustre_mdt_attrs *lma;
- int rc;
-
- rc = lgetxattr(path, XATTR_NAME_LMA, buf, sizeof(buf));
- if (rc < 0)
- return -errno;
- lma = (struct lustre_mdt_attrs *)buf;
- fid_le_to_cpu(fid, &lma->lma_self_fid);
- return 0;
-}
-
-int llapi_path2fid(const char *path, lustre_fid *fid)
-{
- int fd, rc;
-
- memset(fid, 0, sizeof(*fid));
- fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
- if (fd < 0) {
- if (errno == ELOOP || errno == ENXIO)
- return path2fid_from_lma(path, fid);
- return -errno;
- }
-
- rc = ioctl(fd, LL_IOC_PATH2FID, fid) < 0 ? -errno : 0;
- if (rc == -EINVAL || rc == -ENOTTY)
- rc = path2fid_from_lma(path, fid);
-
- close(fd);
- return rc;
-}
-
-/****** HSM Copytool API ********/
-#define CT_PRIV_MAGIC 0xC0BE2001
-struct copytool_private {
- int magic;
- char *fsname;
- lustre_kernelcomm kuc;
- __u32 archives;
-};
-
-#include <libcfs/libcfs.h>
-
-/** Register a copytool
- * @param[out] priv Opaque private control structure
- * @param fsname Lustre filesystem
- * @param flags Open flags, currently unused (e.g. O_NONBLOCK)
- * @param archive_count
- * @param archives Which archive numbers this copytool is responsible for
- */
-int llapi_copytool_start(void **priv, char *fsname, int flags,
- int archive_count, int *archives)
-{
- struct copytool_private *ct;
- int rc;
-
- if (archive_count > 0 && archives == NULL) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "NULL archive numbers");
- return -EINVAL;
- }
-
- ct = calloc(1, sizeof(*ct));
- if (ct == NULL)
- return -ENOMEM;
-
- ct->fsname = malloc(strlen(fsname) + 1);
- if (ct->fsname == NULL) {
- rc = -ENOMEM;
- goto out_err;
- }
- strcpy(ct->fsname, fsname);
- ct->magic = CT_PRIV_MAGIC;
- ct->archives = 0;
- for (rc = 0; rc < archive_count; rc++) {
- if (archives[rc] > sizeof(ct->archives)) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "Maximum of %d archives supported",
- sizeof(ct->archives));
- goto out_err;
- }
- ct->archives |= 1 << archives[rc];
- }
- /* special case: if no archives specified, default to archive #0. */
- if (ct->archives == 0)
- ct->archives = 1;
-
- rc = libcfs_ukuc_start(&ct->kuc, KUC_GRP_HSM);
- if (rc < 0)
- goto out_err;
-
- /* Storing archive(s) in lk_data; see mdc_ioc_hsm_ct_start */
- ct->kuc.lk_data = ct->archives;
- rc = root_ioctl(ct->fsname, LL_IOC_HSM_CT_START, &(ct->kuc), NULL,
- WANT_ERROR);
- /* Only the kernel reference keeps the write side open */
- close(ct->kuc.lk_wfd);
- ct->kuc.lk_wfd = 0;
- if (rc < 0)
- goto out_err;
-
- *priv = ct;
- return 0;
-
-out_err:
- if (ct->fsname)
- free(ct->fsname);
- free(ct);
- return rc;
+ char buf[512];
+ struct lustre_mdt_attrs *lma;
+ int rc;
+
+ if (path == NULL)
+ rc = fgetxattr(fd, XATTR_NAME_LMA, buf, sizeof(buf));
+ else
+ rc = lgetxattr(path, XATTR_NAME_LMA, buf, sizeof(buf));
+ if (rc < 0)
+ return -errno;
+ lma = (struct lustre_mdt_attrs *)buf;
+ fid_le_to_cpu(fid, &lma->lma_self_fid);
+ return 0;
}
-/** Deregister a copytool */
-int llapi_copytool_fini(void **priv)
+int llapi_fd2fid(const int fd, lustre_fid *fid)
{
- struct copytool_private *ct = (struct copytool_private *)*priv;
-
- if (!ct || (ct->magic != CT_PRIV_MAGIC))
- return -EINVAL;
+ int rc;
- /* Tell the kernel to stop sending us messages */
- ct->kuc.lk_flags = LK_FLG_STOP;
- root_ioctl(ct->fsname, LL_IOC_HSM_CT_START, &(ct->kuc), NULL, 0);
+ memset(fid, 0, sizeof(*fid));
- /* Shut down the kernelcomms */
- libcfs_ukuc_stop(&ct->kuc);
+ rc = ioctl(fd, LL_IOC_PATH2FID, fid) < 0 ? -errno : 0;
+ if (rc == -EINVAL || rc == -ENOTTY)
+ rc = fid_from_lma(NULL, fd, fid);
- free(ct->fsname);
- free(ct);
- *priv = NULL;
- return 0;
+ return rc;
}
-/** Wait for the next hsm_action_list
- * @param priv Opaque private control structure
- * @param halh Action list handle, will be allocated here
- * @param msgsize Number of bytes in the message, will be set here
- * @return 0 valid message received; halh and msgsize are set
- * <0 error code
- */
-int llapi_copytool_recv(void *priv, struct hsm_action_list **halh, int *msgsize)
+int llapi_path2fid(const char *path, lustre_fid *fid)
{
- struct copytool_private *ct = (struct copytool_private *)priv;
- struct kuc_hdr *kuch;
- struct hsm_action_list *hal;
- int rc = 0;
-
- if (!ct || (ct->magic != CT_PRIV_MAGIC))
- return -EINVAL;
- if (halh == NULL || msgsize == NULL)
- return -EINVAL;
-
- kuch = malloc(HAL_MAXSIZE + sizeof(*kuch));
- if (kuch == NULL)
- return -ENOMEM;
-
- rc = libcfs_ukuc_msg_get(&ct->kuc, (char *)kuch,
- HAL_MAXSIZE + sizeof(*kuch),
- KUC_TRANSPORT_HSM);
- if (rc < 0)
- goto out_free;
-
- /* Handle generic messages */
- if (kuch->kuc_transport == KUC_TRANSPORT_GENERIC &&
- kuch->kuc_msgtype == KUC_MSG_SHUTDOWN) {
- rc = -ESHUTDOWN;
- goto out_free;
- }
-
- if (kuch->kuc_transport != KUC_TRANSPORT_HSM ||
- kuch->kuc_msgtype != HMT_ACTION_LIST) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "Unknown HSM message type %d:%d\n",
- kuch->kuc_transport, kuch->kuc_msgtype);
- rc = -EPROTO;
- goto out_free;
- }
-
- /* Our message is a hsm_action_list. Use pointer math to skip
- * kuch_hdr and point directly to the message payload.
- */
- hal = (struct hsm_action_list *)(kuch + 1);
-
- /* Check that we have registered for this archive # */
- if (((1 << hal->hal_archive_num) & ct->archives) == 0) {
- llapi_err_noerrno(LLAPI_MSG_INFO,
- "Ignoring request for archive #%d (bitmask %#x)\n",
- hal->hal_archive_num, ct->archives);
- rc = 0;
- goto out_free;
- }
+ int fd, rc;
+
+ memset(fid, 0, sizeof(*fid));
+ fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
+ if (fd < 0) {
+ if (errno == ELOOP || errno == ENXIO)
+ return fid_from_lma(path, -1, fid);
+ return -errno;
+ }
- *halh = hal;
- *msgsize = kuch->kuc_msglen - sizeof(*kuch);
- return 0;
+ rc = llapi_fd2fid(fd, fid);
+ if (rc == -EINVAL || rc == -ENOTTY)
+ rc = fid_from_lma(path, -1, fid);
-out_free:
- *halh = NULL;
- *msgsize = 0;
- free(kuch);
- return rc;
-}
-
-/** Release the action list when done with it. */
-int llapi_copytool_free(struct hsm_action_list **hal)
-{
- /* Reuse the llapi_changelog_free function */
- return llapi_changelog_free((struct changelog_ext_rec **)hal);
+ close(fd);
+ return rc;
}
int llapi_get_connect_flags(const char *mnt, __u64 *flags)
return rc;
}
+
+/*
+ * Create a volatile file and open it for write:
+ * - file is created as a standard file in the directory
+ * - file does not appears in directory and directory mtime does not change
+ * - file is removed at close
+ * - file modes are rw-------, if user wants another one it must use fchmod()
+ * \param directory Directory where the file is created
+ * \param idx MDT index on which the file is created
+ * \param flags Std open flags
+ *
+ * \retval 0 on success.
+ * \retval -errno on error.
+ */
+int llapi_create_volatile_idx(char *directory, int idx, int mode)
+{
+ char file_path[PATH_MAX];
+ char filename[PATH_MAX];
+ int fd;
+ int random;
+ int rc;
+
+ fd = open("/dev/urandom", O_RDONLY);
+ if (fd < 0) {
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "Cannot open /dev/urandom\n");
+ return -errno;
+ }
+ rc = read(fd, &random, sizeof(random));
+ close(fd);
+ if (rc < sizeof(random)) {
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "Cannot read %d bytes from /dev/urandom\n",
+ sizeof(random));
+ return -errno;
+ }
+ if (idx == -1)
+ sprintf(filename, LUSTRE_VOLATILE_HDR"::%.4X", random);
+ else
+ sprintf(filename, LUSTRE_VOLATILE_IDX"%.4X", 0, random);
+
+ sprintf(file_path, "%s/%s", directory, filename);
+
+ fd = open(file_path, O_RDWR|O_CREAT|mode, S_IRUSR|S_IWUSR);
+ if (fd < 0) {
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "Cannot create volatile file %s in %s\n",
+ filename + LUSTRE_VOLATILE_HDR_LEN,
+ directory);
+ return -errno;
+ }
+ return fd;
+}
+
+/**
+ * Swap the layouts between 2 file descriptors
+ * the 2 files must be open in write
+ * 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(int fd1, int fd2, __u64 dv1, __u64 dv2, __u64 flags)
+{
+ struct lustre_swap_layouts lsl;
+ int rc;
+
+ srandom(time(NULL));
+ lsl.sl_fd = fd2;
+ lsl.sl_flags = flags;
+ lsl.sl_gid = random();
+ lsl.sl_dv1 = dv1;
+ lsl.sl_dv2 = dv2;
+ rc = ioctl(fd1, LL_IOC_LOV_SWAP_LAYOUTS, &lsl);
+ if (rc)
+ rc = -errno;
+ return rc;
+}
+
+/**
+ * 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) {
+ llapi_error(LLAPI_MSG_ERROR, -errno,
+ "error: cannot open for write %s",
+ path1);
+ return -errno;
+ }
+
+ fd2 = open(path2, O_WRONLY | O_LOV_DELAY_CREATE);
+ if (fd2 < 0) {
+ llapi_error(LLAPI_MSG_ERROR, -errno,
+ "error: cannot open for write %s",
+ path2);
+ close(fd1);
+ return -errno;
+ }
+
+ rc = llapi_fswap_layouts(fd1, fd2, dv1, dv2, flags);
+ if (rc < 0)
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: cannot swap layouts between %s and %s\n",
+ path1, path2);
+
+ close(fd1);
+ close(fd2);
+ return rc;
+}