* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lustre/lustreapi.h>
#include <libcfs/libcfsutil.h>
+#include <obd.h>
+#include <obd_lov.h>
#include "obdctl.h"
/* all functions */
static int lfs_setstripe(int argc, char **argv);
static int lfs_find(int argc, char **argv);
static int lfs_getstripe(int argc, char **argv);
+static int lfs_getdirstripe(int argc, char **argv);
+static int lfs_setdirstripe(int argc, char **argv);
+static int lfs_rmentry(int argc, char **argv);
static int lfs_osts(int argc, char **argv);
static int lfs_mdts(int argc, char **argv);
static int lfs_df(int argc, char **argv);
static int lfs_hsm_set(int argc, char **argv);
static int lfs_hsm_clear(int argc, char **argv);
static int lfs_hsm_action(int argc, char **argv);
+static int lfs_hsm_archive(int argc, char **argv);
+static int lfs_hsm_restore(int argc, char **argv);
+static int lfs_hsm_release(int argc, char **argv);
+static int lfs_hsm_remove(int argc, char **argv);
+static int lfs_hsm_cancel(int argc, char **argv);
+static int lfs_swap_layouts(int argc, char **argv);
+
+#define SETSTRIPE_USAGE(_cmd, _tgt) \
+ "usage: "_cmd" [--stripe-count|-c <stripe_count>]\n"\
+ " [--stripe-index|-i <start_ost_idx>]\n"\
+ " [--stripe-size|-S <stripe_size>]\n"\
+ " [--pool|-p <pool_name>]\n"\
+ " [--block|-b] "_tgt"\n"\
+ "\tstripe_size: Number of bytes on each OST (0 filesystem default)\n"\
+ "\t Can be specified with k, m or g (in KB, MB and GB\n"\
+ "\t respectively)\n"\
+ "\tstart_ost_idx: OST index of first stripe (-1 default)\n"\
+ "\tstripe_count: Number of OSTs to stripe over (0 default, -1 all)\n"\
+ "\tpool_name: Name of OST pool to use (default none)\n"\
+ "\tblock: Block file access during data migration"
/* all avaialable commands */
command_t cmdlist[] = {
- {"setstripe", lfs_setstripe, 0,
- "Create a new file with a specific striping pattern or\n"
- "set the default striping pattern on an existing directory or\n"
- "delete the default striping pattern from an existing directory\n"
- "usage: setstripe [--stripe-count|-c <stripe_count>]\n"
- " [--stripe-index|-i <start_ost_idx>]\n"
- " [--stripe-size|-S <stripe_size>]\n"
- " [--pool|-p <pool_name>] <directory|filename>\n"
- " or\n"
- " setstripe -d <directory> (to delete default striping)\n"
- "\tstripe_size: Number of bytes on each OST (0 filesystem default)\n"
- "\t Can be specified with k, m or g (in KB, MB and GB\n"
- "\t respectively)\n"
- "\tstart_ost_idx: OST index of first stripe (-1 default)\n"
- "\tstripe_count: Number of OSTs to stripe over (0 default, -1 all)\n"
- "\tpool_name: Name of OST pool to use (default none)"},
- {"getstripe", lfs_getstripe, 0,
- "To list the striping info for a given file or files in a\n"
- "directory or recursively for all files in a directory tree.\n"
- "usage: getstripe [--ost|-O <uuid>] [--quiet | -q] [--verbose | -v]\n"
- " [--stripe-count|-c] [--stripe-index|-i]\n"
- " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
- " [--mdt-index|-M] [--recursive|-r] [--raw|-R]\n"
- " <directory|filename> ..."},
+ {"setstripe", lfs_setstripe, 0,
+ "Create a new file with a specific striping pattern or\n"
+ "set the default striping pattern on an existing directory or\n"
+ "delete the default striping pattern from an existing directory\n"
+ "usage: setstripe -d <directory> (to delete default striping)\n"\
+ " or\n"
+ SETSTRIPE_USAGE("setstripe", "<directory|filename>")},
+ {"getstripe", lfs_getstripe, 0,
+ "To list the striping info for a given file or files in a\n"
+ "directory or recursively for all files in a directory tree.\n"
+ "usage: getstripe [--ost|-O <uuid>] [--quiet | -q] [--verbose | -v]\n"
+ " [--stripe-count|-c] [--stripe-index|-i]\n"
+ " [--pool|-p] [--stripe-size|-S] [--directory|-d]\n"
+ " [--mdt-index|-M] [--recursive|-r] [--raw|-R]\n"
+ " <directory|filename> ..."},
+ {"setdirstripe", lfs_setdirstripe, 0,
+ "To create a remote directory on a specified MDT.\n"
+ "usage: setdirstripe <--index|-i mdt_index> <dir>\n"
+ "\tmdt_index: MDT index of first stripe\n"},
+ {"getdirstripe", lfs_getdirstripe, 0,
+ "To list the striping info for a given directory\n"
+ "or recursively for all directories in a directory tree.\n"
+ "usage: getdirstripe [--obd|-O <uuid>] [--quiet|-q] [--verbose|-v]\n"
+ " [--count|-c ] [--index|-i ] [--raw|-R]\n"
+ " [--recursive | -r] <dir> ..."},
+ {"mkdir", lfs_setdirstripe, 0,
+ "To create a remote directory on a specified MDT. And this can only\n"
+ "be done on MDT0 by administrator.\n"
+ "usage: mkdir <--index|-i mdt_index> <dir>\n"
+ "\tmdt_index: MDT index of the remote directory.\n"},
+ {"rm_entry", lfs_rmentry, 0,
+ "To remove the name entry of the remote directory. Note: This\n"
+ "command will only delete the name entry, i.e. the remote directory\n"
+ "will become inaccessable after this command. This can only be done\n"
+ "by the administrator\n"
+ "usage: rm_entry <dir>\n"},
{"pool_list", lfs_poollist, 0,
"List pools or pool OSTs\n"
"usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
"[--archived] [--lost] <file> ..."},
{"hsm_action", lfs_hsm_action, 0, "Display current HSM request for "
"given files.\n" "usage: hsm_action <file> ..."},
+ {"hsm_archive", lfs_hsm_archive, 0,
+ "Archive file to external storage.\n"
+ "usage: hsm_archive [--filelist FILELIST] [--data DATA] [--archive NUM] "
+ "<file> ..."},
+ {"hsm_restore", lfs_hsm_restore, 0,
+ "Restore file from external storage.\n"
+ "usage: hsm_restore [--filelist FILELIST] [--data DATA] <file> ..."},
+ {"hsm_release", lfs_hsm_release, 0,
+ "Release files from Lustre.\n"
+ "usage: hsm_release [--filelist FILELIST] [--data DATA] <file> ..."},
+ {"hsm_remove", lfs_hsm_remove, 0,
+ "Remove file copy from external storage.\n"
+ "usage: hsm_remove [--filelist FILELIST] [--data DATA] <file> ..."},
+ {"hsm_cancel", lfs_hsm_cancel, 0,
+ "Cancel requests related to specified files.\n"
+ "usage: hsm_cancel [--filelist FILELIST] [--data DATA] <file> ..."},
+ {"swap_layouts", lfs_swap_layouts, 0, "Swap layouts between 2 files.\n"
+ "usage: swap_layouts <path1> <path2>"},
+ {"migrate", lfs_setstripe, 0, "migrate file from one layout to "
+ "another (may be not safe with concurent writes).\n"
+ SETSTRIPE_USAGE("migrate ", "<filename>")},
{"help", Parser_help, 0, "help"},
{"exit", Parser_quit, 0, "quit"},
{"quit", Parser_quit, 0, "quit"},
return 1;
}
+#define MIGRATION_BLOCKS 1
+
+static int lfs_migrate(char *name, unsigned long long stripe_size,
+ int stripe_offset, int stripe_count,
+ int stripe_pattern, char *pool_name,
+ __u64 migration_flags)
+{
+ int fd, fdv;
+ char volatile_file[PATH_MAX];
+ char parent[PATH_MAX];
+ char *ptr;
+ int rc;
+ __u64 dv1;
+ struct lov_user_md *lum = NULL;
+ int lumsz;
+ int bufsz;
+ void *buf = NULL;
+ int rsize, wsize;
+ __u64 rpos, wpos, bufoff;
+ int gid = 0, sz;
+ int have_gl = 0;
+
+ /* find the right size for the IO and allocate the buffer */
+ lumsz = lov_user_md_size(LOV_MAX_STRIPE_COUNT, LOV_USER_MAGIC_V3);
+ lum = malloc(lumsz);
+ if (lum == NULL) {
+ rc = -ENOMEM;
+ goto free;
+ }
+
+ rc = llapi_file_get_stripe(name, lum);
+ /* failure can come from may case and some may be not real error
+ * (eg: no stripe)
+ * in case of a real error, a later call will failed with a better
+ * error management */
+ if (rc < 0)
+ bufsz = 1024*1024;
+ else
+ bufsz = lum->lmm_stripe_size;
+ rc = posix_memalign(&buf, getpagesize(), bufsz);
+ if (rc != 0) {
+ rc = -rc;
+ goto free;
+ }
+
+ if (migration_flags & MIGRATION_BLOCKS) {
+ /* generate a random id for the grouplock */
+ fd = open("/dev/urandom", O_RDONLY);
+ if (fd == -1) {
+ rc = -errno;
+ fprintf(stderr, "cannot open /dev/urandom (%s)\n",
+ strerror(-rc));
+ goto free;
+ }
+ sz = sizeof(gid);
+ rc = read(fd, &gid, sz);
+ close(fd);
+ if (rc < sz) {
+ rc = -errno;
+ fprintf(stderr, "cannot read %d bytes from"
+ " /dev/urandom (%s)\n", sz, strerror(-rc));
+ goto free;
+ }
+ }
+
+ /* search for file directory pathname */
+ strcpy(parent, name);
+ ptr = strrchr(parent, '/');
+ if (ptr == NULL) {
+ if (getcwd(parent, sizeof(parent)) == NULL) {
+ rc = -errno;
+ goto free;
+ }
+ } else {
+ if (ptr == parent)
+ strcpy(parent, "/");
+ else
+ *ptr = '\0';
+ }
+ sprintf(volatile_file, "%s/%s::", parent, LUSTRE_VOLATILE_HDR);
+
+ /* create, open a volatile file, use caching (ie no directio) */
+ /* exclusive create is not needed because volatile files cannot
+ * conflict on name by construction */
+ fdv = llapi_file_open_pool(volatile_file, O_CREAT | O_WRONLY,
+ 0644, stripe_size, stripe_offset,
+ stripe_count, stripe_pattern, pool_name);
+ if (fdv < 0) {
+ rc = fdv;
+ fprintf(stderr, "cannot create volatile file in %s (%s)\n",
+ parent, strerror(-rc));
+ goto free;
+ }
+
+ /* open file, direct io */
+ /* even if the file is only read, WR mode is nedeed to allow
+ * layout swap on fd */
+ fd = open(name, O_RDWR | O_DIRECT);
+ if (fd == -1) {
+ rc = -errno;
+ fprintf(stderr, "cannot open %s (%s)\n", name, strerror(-rc));
+ close(fdv);
+ goto free;
+ }
+
+ /* get file data version */
+ rc = llapi_get_data_version(fd, &dv1, 0);
+ if (rc != 0) {
+ fprintf(stderr, "cannot get dataversion on %s (%s)\n",
+ name, strerror(-rc));
+ goto error;
+ }
+
+ if (migration_flags & MIGRATION_BLOCKS) {
+ /* take group lock to limit concurent access
+ * this will be no more needed when exclusive access will
+ * be implemented (see LU-2919) */
+ /* group lock is taken after data version read because it
+ * blocks data version call */
+ if (ioctl(fd, LL_IOC_GROUP_LOCK, gid) == -1) {
+ rc = -errno;
+ fprintf(stderr, "cannot get group lock on %s (%s)\n",
+ name, strerror(-rc));
+ goto error;
+ }
+ have_gl = 1;
+ }
+
+ /* copy data */
+ rpos = 0;
+ wpos = 0;
+ bufoff = 0;
+ rsize = -1;
+ do {
+ /* read new data only if we have written all
+ * previously read data */
+ if (wpos == rpos) {
+ rsize = read(fd, buf, bufsz);
+ if (rsize < 0) {
+ rc = -errno;
+ fprintf(stderr, "read failed on %s"
+ " (%s)\n", name,
+ strerror(-rc));
+ goto error;
+ }
+ rpos += rsize;
+ bufoff = 0;
+ }
+ /* eof ? */
+ if (rsize == 0)
+ break;
+ wsize = write(fdv, buf + bufoff, rpos - wpos);
+ if (wsize < 0) {
+ rc = -errno;
+ fprintf(stderr, "write failed on volatile"
+ " for %s (%s)\n", name, strerror(-rc));
+ goto error;
+ }
+ wpos += wsize;
+ bufoff += wsize;
+ } while (1);
+
+ /* flush data */
+ fsync(fdv);
+
+ if (migration_flags & MIGRATION_BLOCKS) {
+ /* give back group lock */
+ if (ioctl(fd, LL_IOC_GROUP_UNLOCK, gid) == -1) {
+ rc = -errno;
+ fprintf(stderr, "cannot put group lock on %s (%s)\n",
+ name, strerror(-rc));
+ }
+ have_gl = 0;
+ }
+
+ /* swap layouts
+ * for a migration we need to:
+ * - check data version on file did not change
+ * - keep file mtime
+ * - keep file atime
+ */
+ rc = llapi_fswap_layouts(fd, fdv, dv1, 0,
+ SWAP_LAYOUTS_CHECK_DV1 |
+ SWAP_LAYOUTS_KEEP_MTIME |
+ SWAP_LAYOUTS_KEEP_ATIME);
+ if (rc == -EAGAIN) {
+ fprintf(stderr, "file dataversion for %s has changed"
+ " during copy, migration is aborted\n",
+ name);
+ goto error;
+ }
+ if (rc != 0)
+ fprintf(stderr, "cannot swap layouts between %s and "
+ "a volatile file (%s)\n",
+ name, strerror(-rc));
+
+error:
+ /* give back group lock */
+ if ((migration_flags & MIGRATION_BLOCKS) && have_gl &&
+ (ioctl(fd, LL_IOC_GROUP_UNLOCK, gid) == -1)) {
+ /* we keep in rc the original error */
+ fprintf(stderr, "cannot put group lock on %s (%s)\n",
+ name, strerror(-errno));
+ }
+
+ close(fdv);
+ close(fd);
+free:
+ if (lum)
+ free(lum);
+ if (buf)
+ free(buf);
+ return rc;
+}
+
/* functions */
static int lfs_setstripe(int argc, char **argv)
{
- char *fname;
- int result;
- unsigned long long st_size;
- int st_offset, st_count;
- char *end;
- int c;
- int delete = 0;
- char *stripe_size_arg = NULL;
- char *stripe_off_arg = NULL;
- char *stripe_count_arg = NULL;
- char *pool_name_arg = NULL;
- unsigned long long size_units = 1;
-
- struct option long_opts[] = {
+ char *fname;
+ int result;
+ unsigned long long st_size;
+ int st_offset, st_count;
+ char *end;
+ int c;
+ int delete = 0;
+ char *stripe_size_arg = NULL;
+ char *stripe_off_arg = NULL;
+ char *stripe_count_arg = NULL;
+ char *pool_name_arg = NULL;
+ unsigned long long size_units = 1;
+ int migrate_mode = 0;
+ __u64 migration_flags = 0;
+
+ struct option long_opts[] = {
+ /* valid only in migrate mode */
+ {"block", no_argument, 0, 'b'},
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
#warning "remove deprecated --count option"
#else
- /* This formerly implied "stripe-count", but was explicitly
- * made "stripe-count" for consistency with other options,
- * and to separate it from "mdt-count" when DNE arrives. */
- {"count", required_argument, 0, 'c'},
+ /* This formerly implied "stripe-count", but was explicitly
+ * made "stripe-count" for consistency with other options,
+ * and to separate it from "mdt-count" when DNE arrives. */
+ {"count", required_argument, 0, 'c'},
#endif
- {"stripe-count", required_argument, 0, 'c'},
- {"stripe_count", required_argument, 0, 'c'},
- {"delete", no_argument, 0, 'd'},
+ {"stripe-count", required_argument, 0, 'c'},
+ {"stripe_count", required_argument, 0, 'c'},
+ {"delete", no_argument, 0, 'd'},
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
#warning "remove deprecated --index option"
#else
- /* This formerly implied "stripe-index", but was explicitly
- * made "stripe-index" for consistency with other options,
- * and to separate it from "mdt-index" when DNE arrives. */
- {"index", required_argument, 0, 'i'},
+ /* This formerly implied "stripe-index", but was explicitly
+ * made "stripe-index" for consistency with other options,
+ * and to separate it from "mdt-index" when DNE arrives. */
+ {"index", required_argument, 0, 'i'},
#endif
- {"stripe-index", required_argument, 0, 'i'},
- {"stripe_index", required_argument, 0, 'i'},
+ {"stripe-index", required_argument, 0, 'i'},
+ {"stripe_index", required_argument, 0, 'i'},
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
#warning "remove deprecated --offset option"
#else
- /* This formerly implied "stripe-index", but was confusing
- * with "file offset" (which will eventually be needed for
- * with different layouts by offset), so deprecate it. */
- {"offset", required_argument, 0, 'o'},
+ /* This formerly implied "stripe-index", but was confusing
+ * with "file offset" (which will eventually be needed for
+ * with different layouts by offset), so deprecate it. */
+ {"offset", required_argument, 0, 'o'},
#endif
- {"pool", required_argument, 0, 'p'},
+ {"pool", required_argument, 0, 'p'},
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
#warning "remove deprecated --size option"
#else
- /* This formerly implied "--stripe-size", but was confusing
- * with "lfs find --size|-s", which means "file size", so use
- * the consistent "--stripe-size|-S" for all commands. */
- {"size", required_argument, 0, 's'},
+ /* This formerly implied "--stripe-size", but was confusing
+ * with "lfs find --size|-s", which means "file size", so use
+ * the consistent "--stripe-size|-S" for all commands. */
+ {"size", required_argument, 0, 's'},
#endif
- {"stripe-size", required_argument, 0, 'S'},
- {"stripe_size", required_argument, 0, 'S'},
- {0, 0, 0, 0}
- };
+ {"stripe-size", required_argument, 0, 'S'},
+ {"stripe_size", required_argument, 0, 'S'},
+ {0, 0, 0, 0}
+ };
st_size = 0;
st_offset = -1;
st_count = 0;
+ if (strcmp(argv[0], "migrate") == 0)
+ migrate_mode = 1;
+
#if LUSTRE_VERSION < OBD_OCD_VERSION(2,4,50,0)
if (argc == 5 && argv[1][0] != '-' &&
isnumber(argv[2]) && isnumber(argv[3]) && isnumber(argv[4])) {
case 0:
/* Long options. */
break;
+ case 'b':
+ if (migrate_mode == 0) {
+ fprintf(stderr, "--block is valid only for"
+ " migrate mode");
+ return CMD_HELP;
+ }
+ migration_flags |= MIGRATION_BLOCKS;
+ break;
case 'c':
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
#warning "remove deprecated --count option"
}
}
- do {
- result = llapi_file_create_pool(fname, st_size, st_offset,
- st_count, 0, pool_name_arg);
- if (result) {
- fprintf(stderr,"error: %s: create stripe file '%s' "
- "failed\n", argv[0], fname);
- break;
- }
- fname = argv[++optind];
- } while (fname != NULL);
+ do {
+ if (migrate_mode)
+ result = lfs_migrate(fname, st_size, st_offset,
+ st_count, 0, pool_name_arg,
+ migration_flags);
+ else
+ result = llapi_file_create_pool(fname, st_size,
+ st_offset, st_count,
+ 0, pool_name_arg);
+ if (result) {
+ fprintf(stderr,
+ "error: %s: %s stripe file '%s' failed\n",
+ argv[0], migrate_mode ? "migrate" : "create",
+ fname);
+ break;
+ }
+ fname = argv[++optind];
+ } while (fname != NULL);
- return result;
+ return result;
}
static int lfs_poollist(int argc, char **argv)
return ret;
}
-static int lfs_getstripe(int argc, char **argv)
+static int lfs_getstripe_internal(int argc, char **argv,
+ struct find_param *param)
{
struct option long_opts[] = {
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
{0, 0, 0, 0}
};
int c, rc;
- struct find_param param = { 0 };
- param.maxdepth = 1;
- optind = 0;
- while ((c = getopt_long(argc, argv, "cdghiMoO:pqrRsSv",
- long_opts, NULL)) != -1) {
- switch (c) {
- case 'O':
- if (param.obduuid) {
- fprintf(stderr,
- "error: %s: only one obduuid allowed",
- argv[0]);
- return CMD_HELP;
- }
- param.obduuid = (struct obd_uuid *)optarg;
- break;
- case 'q':
- param.quiet++;
- break;
- case 'd':
- param.maxdepth = 0;
- break;
- case 'r':
- param.recursive = 1;
- break;
- case 'v':
- param.verbose = VERBOSE_ALL | VERBOSE_DETAIL;
- break;
- case 'c':
+ param->maxdepth = 1;
+ optind = 0;
+ while ((c = getopt_long(argc, argv, "cdghiMoO:pqrRsSv",
+ long_opts, NULL)) != -1) {
+ switch (c) {
+ case 'O':
+ if (param->obduuid) {
+ fprintf(stderr,
+ "error: %s: only one obduuid allowed",
+ argv[0]);
+ return CMD_HELP;
+ }
+ param->obduuid = (struct obd_uuid *)optarg;
+ break;
+ case 'q':
+ param->quiet++;
+ break;
+ case 'd':
+ param->maxdepth = 0;
+ break;
+ case 'r':
+ param->recursive = 1;
+ break;
+ case 'v':
+ param->verbose = VERBOSE_ALL | VERBOSE_DETAIL;
+ break;
+ case 'c':
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
#warning "remove deprecated --count option"
#elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
- if (strcmp(argv[optind - 1], "--count") == 0)
- fprintf(stderr, "warning: '--count' deprecated,"
- " use '--stripe-count' instead\n");
+ if (strcmp(argv[optind - 1], "--count") == 0)
+ fprintf(stderr, "warning: '--count' deprecated,"
+ " use '--stripe-count' instead\n");
#endif
- if (!(param.verbose & VERBOSE_DETAIL)) {
- param.verbose |= VERBOSE_COUNT;
- param.maxdepth = 0;
- }
- break;
- case 's':
+ if (!(param->verbose & VERBOSE_DETAIL)) {
+ param->verbose |= VERBOSE_COUNT;
+ param->maxdepth = 0;
+ }
+ break;
+ case 's':
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
#warning "remove deprecated --size option"
#elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
- fprintf(stderr, "warning: '--size|-s' deprecated, "
- "use '--stripe-size|-S' instead\n");
+ fprintf(stderr, "warning: '--size|-s' deprecated, "
+ "use '--stripe-size|-S' instead\n");
#endif
- case 'S':
- if (!(param.verbose & VERBOSE_DETAIL)) {
- param.verbose |= VERBOSE_SIZE;
- param.maxdepth = 0;
- }
- break;
- case 'o':
+ case 'S':
+ if (!(param->verbose & VERBOSE_DETAIL)) {
+ param->verbose |= VERBOSE_SIZE;
+ param->maxdepth = 0;
+ }
+ break;
+ case 'o':
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,4,50,0)
- fprintf(stderr, "warning: '--offset|-o' deprecated, "
- "use '--stripe-index|-i' instead\n");
+ fprintf(stderr, "warning: '--offset|-o' deprecated, "
+ "use '--stripe-index|-i' instead\n");
#else
- if (strcmp(argv[optind - 1], "--offset") == 0)
- /* need --stripe-index established first */
- fprintf(stderr, "warning: '--offset' deprecated"
- ", use '--index' instead\n");
+ if (strcmp(argv[optind - 1], "--offset") == 0)
+ /* need --stripe-index established first */
+ fprintf(stderr, "warning: '--offset' deprecated"
+ ", use '--index' instead\n");
#endif
- case 'i':
+ case 'i':
#if LUSTRE_VERSION >= OBD_OCD_VERSION(2,9,50,0)
#warning "remove deprecated --offset and --index options"
#elif LUSTRE_VERSION >= OBD_OCD_VERSION(2,6,50,0)
- if (strcmp(argv[optind - 1], "--index") == 0)
- fprintf(stderr, "warning: '--index' deprecated"
- ", use '--stripe-index' instead\n");
+ if (strcmp(argv[optind - 1], "--index") == 0)
+ fprintf(stderr, "warning: '--index' deprecated"
+ ", use '--stripe-index' instead\n");
#endif
- if (!(param.verbose & VERBOSE_DETAIL)) {
- param.verbose |= VERBOSE_OFFSET;
- param.maxdepth = 0;
- }
- break;
- case 'p':
- if (!(param.verbose & VERBOSE_DETAIL)) {
- param.verbose |= VERBOSE_POOL;
- param.maxdepth = 0;
- }
- break;
- case 'g':
- if (!(param.verbose & VERBOSE_DETAIL)) {
- param.verbose |= VERBOSE_GENERATION;
- param.maxdepth = 0;
- }
- break;
- case 'M':
- if (!(param.verbose & VERBOSE_DETAIL))
- param.maxdepth = 0;
- param.verbose |= VERBOSE_MDTINDEX;
- break;
- case 'R':
- param.raw = 1;
- break;
- default:
- return CMD_HELP;
- }
- }
+ if (!(param->verbose & VERBOSE_DETAIL)) {
+ param->verbose |= VERBOSE_OFFSET;
+ param->maxdepth = 0;
+ }
+ break;
+ case 'p':
+ if (!(param->verbose & VERBOSE_DETAIL)) {
+ param->verbose |= VERBOSE_POOL;
+ param->maxdepth = 0;
+ }
+ break;
+ case 'g':
+ if (!(param->verbose & VERBOSE_DETAIL)) {
+ param->verbose |= VERBOSE_GENERATION;
+ param->maxdepth = 0;
+ }
+ break;
+ case 'M':
+ if (!(param->verbose & VERBOSE_DETAIL))
+ param->maxdepth = 0;
+ param->verbose |= VERBOSE_MDTINDEX;
+ break;
+ case 'R':
+ param->raw = 1;
+ break;
+ default:
+ return CMD_HELP;
+ }
+ }
- if (optind >= argc)
- return CMD_HELP;
+ if (optind >= argc)
+ return CMD_HELP;
- if (param.recursive)
- param.maxdepth = -1;
+ if (param->recursive)
+ param->maxdepth = -1;
- if (!param.verbose)
- param.verbose = VERBOSE_ALL;
- if (param.quiet)
- param.verbose = VERBOSE_OBJID;
+ if (!param->verbose)
+ param->verbose = VERBOSE_ALL;
+ if (param->quiet)
+ param->verbose = VERBOSE_OBJID;
- do {
- rc = llapi_getstripe(argv[optind], ¶m);
- } while (++optind < argc && !rc);
+ do {
+ rc = llapi_getstripe(argv[optind], param);
+ } while (++optind < argc && !rc);
- if (rc)
- fprintf(stderr, "error: %s failed for %s.\n",
- argv[0], argv[optind - 1]);
- return rc;
+ if (rc)
+ fprintf(stderr, "error: %s failed for %s.\n",
+ argv[0], argv[optind - 1]);
+ return rc;
}
static int lfs_tgts(int argc, char **argv)
return rc;
}
+static int lfs_getstripe(int argc, char **argv)
+{
+ struct find_param param = { 0 };
+ return lfs_getstripe_internal(argc, argv, ¶m);
+}
+
+/* functions */
+static int lfs_getdirstripe(int argc, char **argv)
+{
+ struct find_param param = { 0 };
+
+ param.get_lmv = 1;
+ return lfs_getstripe_internal(argc, argv, ¶m);
+}
+
+/* functions */
+static int lfs_setdirstripe(int argc, char **argv)
+{
+ char *dname;
+ int result;
+ int st_offset, st_count;
+ char *end;
+ int c;
+ char *stripe_off_arg = NULL;
+ int flags = 0;
+
+ struct option long_opts[] = {
+ {"index", required_argument, 0, 'i'},
+ {0, 0, 0, 0}
+ };
+
+ st_offset = -1;
+ st_count = 1;
+ optind = 0;
+ while ((c = getopt_long(argc, argv, "i:o",
+ long_opts, NULL)) >= 0) {
+ switch (c) {
+ case 0:
+ /* Long options. */
+ break;
+ case 'i':
+ stripe_off_arg = optarg;
+ break;
+ default:
+ fprintf(stderr, "error: %s: option '%s' "
+ "unrecognized\n",
+ argv[0], argv[optind - 1]);
+ return CMD_HELP;
+ }
+ }
+
+ if (optind == argc) {
+ fprintf(stderr, "error: %s: missing dirname\n",
+ argv[0]);
+ return CMD_HELP;
+ }
+
+ dname = argv[optind];
+ if (stripe_off_arg == NULL) {
+ fprintf(stderr, "error: %s: missing stripe_off.\n",
+ argv[0]);
+ return CMD_HELP;
+ }
+ /* get the stripe offset */
+ st_offset = strtoul(stripe_off_arg, &end, 0);
+ if (*end != '\0') {
+ fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
+ argv[0], stripe_off_arg);
+ return CMD_HELP;
+ }
+ do {
+ result = llapi_dir_create_pool(dname, flags, st_offset,
+ st_count, 0, NULL);
+ if (result) {
+ fprintf(stderr, "error: %s: create stripe dir '%s' "
+ "failed\n", argv[0], dname);
+ break;
+ }
+ dname = argv[++optind];
+ } while (dname != NULL);
+
+ return result;
+}
+
+/* functions */
+static int lfs_rmentry(int argc, char **argv)
+{
+ char *dname;
+ int index;
+ int result = 0;
+
+ if (argc <= 1) {
+ fprintf(stderr, "error: %s: missing dirname\n",
+ argv[0]);
+ return CMD_HELP;
+ }
+
+ index = 1;
+ dname = argv[index];
+ while (dname != NULL) {
+ result = llapi_direntry_remove(dname);
+ if (result) {
+ fprintf(stderr, "error: %s: remove dir entry '%s' "
+ "failed\n", argv[0], dname);
+ break;
+ }
+ dname = argv[++index];
+ }
+ return result;
+}
+
static int lfs_osts(int argc, char **argv)
{
return lfs_tgts(argc, argv);
if (rc) {
fprintf(stderr, "can't get hsm state for %s: %s\n",
path, strerror(errno = -rc));
- return rc;
+ return rc;
}
/* Display path name and status flags */
return lfs_hsm_change_flags(argc, argv, LFS_HSM_CLEAR);
}
+/**
+ * Check file state and return its fid, to be used by lfs_hsm_request().
+ *
+ * \param[in] file Path to file to check
+ * \param[in,out] fid Pointer to allocated lu_fid struct.
+ * \param[in,out] last_dev Pointer to last device id used.
+ *
+ * \return 0 on success.
+ */
+static int lfs_hsm_prepare_file(char *file, struct lu_fid *fid,
+ dev_t *last_dev)
+{
+ struct stat st;
+ int rc;
+
+ rc = lstat(file, &st);
+ if (rc) {
+ fprintf(stderr, "Cannot stat %s: %s\n", file, strerror(errno));
+ return -errno;
+ }
+ /* A request should be ... */
+ if (*last_dev != st.st_dev && *last_dev != 0) {
+ fprintf(stderr, "All files should be "
+ "on the same filesystem: %s\n", file);
+ return -EINVAL;
+ }
+ *last_dev = st.st_dev;
+
+ rc = llapi_path2fid(file, fid);
+ if (rc) {
+ fprintf(stderr, "Cannot read FID of %s: %s\n",
+ file, strerror(-rc));
+ return rc;
+ }
+ return 0;
+}
+
+static int lfs_hsm_request(int argc, char **argv, int action)
+{
+ struct option long_opts[] = {
+ {"filelist", 1, 0, 'l'},
+ {"data", 1, 0, 'D'},
+ {"archive", 1, 0, 'a'},
+ {0, 0, 0, 0}
+ };
+ dev_t last_dev = 0;
+ char short_opts[] = "l:D:a:";
+ struct hsm_user_request *hur, *oldhur;
+ int c, i;
+ size_t len;
+ int nbfile;
+ char *line = NULL;
+ char *filelist = NULL;
+ char fullpath[PATH_MAX];
+ char *opaque = NULL;
+ int opaque_len = 0;
+ int archive_id = 0;
+ FILE *fp;
+ int nbfile_alloc = 0;
+ char some_file[PATH_MAX+1] = "";
+ int rc;
+
+ if (argc < 2)
+ return CMD_HELP;
+
+ optind = 0;
+ while ((c = getopt_long(argc, argv, short_opts,
+ long_opts, NULL)) != -1) {
+ switch (c) {
+ case 'l':
+ filelist = optarg;
+ break;
+ case 'D':
+ opaque = optarg;
+ break;
+ case 'a':
+ if (action != HUA_ARCHIVE) {
+ fprintf(stderr,
+ "error: -a is supported only "
+ "when archiving\n");
+ return CMD_HELP;
+ }
+ archive_id = atoi(optarg);
+ break;
+ case '?':
+ return CMD_HELP;
+ default:
+ fprintf(stderr, "error: %s: option '%s' unrecognized\n",
+ argv[0], argv[optind - 1]);
+ return CMD_HELP;
+ }
+ }
+
+ /* All remaining args are files, so we have at least nbfile */
+ nbfile = argc - optind;
+
+ if ((nbfile == 0) && (filelist == NULL))
+ return CMD_HELP;
+
+ if (opaque != NULL)
+ opaque_len = strlen(opaque);
+
+ /* Alloc the request structure with enough place to store all files
+ * from command line. */
+ hur = llapi_hsm_user_request_alloc(nbfile, opaque_len);
+ if (hur == NULL) {
+ fprintf(stderr, "Cannot create the request: %s\n",
+ strerror(errno));
+ return errno;
+ }
+ nbfile_alloc = nbfile;
+
+ hur->hur_request.hr_action = action;
+ hur->hur_request.hr_archive_id = archive_id;
+ hur->hur_request.hr_flags = 0;
+
+ /* All remaining args are files, add them */
+ if (nbfile != 0)
+ strcpy(some_file, argv[optind]);
+
+ for (i = 0; i < nbfile; i++) {
+ hur->hur_user_item[i].hui_extent.length = -1;
+ rc = lfs_hsm_prepare_file(argv[optind + i],
+ &hur->hur_user_item[i].hui_fid,
+ &last_dev);
+ hur->hur_request.hr_itemcount++;
+ if (rc)
+ goto out_free;
+ }
+
+ /* from here stop using nb_file, use hur->hur_request.hr_itemcount */
+
+ /* If a filelist was specified, read the filelist from it. */
+ if (filelist != NULL) {
+ fp = fopen(filelist, "r");
+ if (fp == NULL) {
+ fprintf(stderr, "Cannot read the file list %s: %s\n",
+ filelist, strerror(errno));
+ rc = -errno;
+ goto out_free;
+ }
+
+ while ((rc = getline(&line, &len, fp)) != -1) {
+ struct hsm_user_item *hui;
+
+ /* If allocated buffer was too small, gets something
+ * bigger */
+ if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
+ nbfile_alloc = nbfile_alloc * 2 + 1;
+ oldhur = hur;
+ hur = llapi_hsm_user_request_alloc(nbfile_alloc,
+ opaque_len);
+ if (hur == NULL) {
+ fprintf(stderr, "Cannot allocate "
+ "the request: %s\n",
+ strerror(errno));
+ hur = oldhur;
+ rc = -errno;
+ goto out_free;
+ }
+ memcpy(hur, oldhur, hur_len(oldhur));
+ free(oldhur);
+ }
+
+ /* Chop CR */
+ if (line[strlen(line) - 1] == '\n')
+ line[strlen(line) - 1] = '\0';
+
+ hui =
+ &hur->hur_user_item[hur->hur_request.hr_itemcount];
+ hui->hui_extent.length = -1;
+ rc = lfs_hsm_prepare_file(line, &hui->hui_fid,
+ &last_dev);
+ hur->hur_request.hr_itemcount++;
+ if (rc)
+ goto out_free;
+
+ if ((some_file[0] == '\0') &&
+ (strlen(line) < sizeof(some_file)))
+ strcpy(some_file, line);
+ }
+
+ rc = fclose(fp);
+ if (line)
+ free(line);
+ }
+
+ /* If a --data was used, add it to the request */
+ hur->hur_request.hr_data_len = opaque_len;
+ if (opaque != NULL)
+ memcpy(hur_data(hur), opaque, opaque_len);
+
+ /* Send the HSM request */
+ if (realpath(some_file, fullpath) == NULL) {
+ fprintf(stderr, "Could not find path '%s': %s\n",
+ some_file, strerror(errno));
+ }
+ rc = llapi_hsm_request(fullpath, hur);
+ if (rc) {
+ fprintf(stderr, "Cannot send HSM request (use of %s): %s\n",
+ some_file, strerror(-rc));
+ goto out_free;
+ }
+
+out_free:
+ free(hur);
+ return rc;
+}
+
+static int lfs_hsm_archive(int argc, char **argv)
+{
+ return lfs_hsm_request(argc, argv, HUA_ARCHIVE);
+}
+
+static int lfs_hsm_restore(int argc, char **argv)
+{
+ return lfs_hsm_request(argc, argv, HUA_RESTORE);
+}
+
+static int lfs_hsm_release(int argc, char **argv)
+{
+ return lfs_hsm_request(argc, argv, HUA_RELEASE);
+}
+
+static int lfs_hsm_remove(int argc, char **argv)
+{
+ return lfs_hsm_request(argc, argv, HUA_REMOVE);
+}
+
+static int lfs_hsm_cancel(int argc, char **argv)
+{
+ return lfs_hsm_request(argc, argv, HUA_CANCEL);
+}
+
+static int lfs_swap_layouts(int argc, char **argv)
+{
+ if (argc != 3)
+ return CMD_HELP;
+
+ return llapi_swap_layouts(argv[1], argv[2], 0, 0,
+ SWAP_LAYOUTS_KEEP_MTIME |
+ SWAP_LAYOUTS_KEEP_ATIME);
+}
+
int main(int argc, char **argv)
{
int rc;