#include <time.h>
#include <libzfs.h>
+#include <libzfs_core.h>
#include <zfs_prop.h>
#include <zfs_deleg.h>
#include <libuutil.h>
static FILE *mnttab_file;
static char history_str[HIS_MAX_RECORD_LEN];
+static boolean_t log_history = B_TRUE;
static int zfs_do_clone(int argc, char **argv);
static int zfs_do_create(int argc, char **argv);
return (gettext("\tlist [-rH][-d max] "
"[-o property[,...]] [-t type[,...]] [-s property] ...\n"
"\t [-S property] ... "
- "[filesystem|volume|snapshot|snap] ...\n"));
+ "[filesystem|volume|snapshot] ...\n"));
case HELP_MOUNT:
return (gettext("\tmount\n"
"\tmount [-vO] [-o opts] <-a | filesystem>\n"));
return (gettext("\tshare <-a | filesystem>\n"));
case HELP_SNAPSHOT:
return (gettext("\tsnapshot|snap [-r] [-o property=value] ... "
- "<filesystem@snapname|volume@snapname>\n"));
+ "<filesystem@snapname|volume@snapname> ...\n"));
case HELP_UNMOUNT:
return (gettext("\tunmount [-f] "
"<-a | filesystem|mountpoint>\n"));
boolean_t cb_parsable;
boolean_t cb_dryrun;
nvlist_t *cb_nvl;
+ nvlist_t *cb_batchedsnaps;
/* first snap in contiguous run */
- zfs_handle_t *cb_firstsnap;
+ char *cb_firstsnap;
/* previous snap in contiguous run */
- zfs_handle_t *cb_prevsnap;
+ char *cb_prevsnap;
int64_t cb_snapused;
char *cb_snapspec;
} destroy_cbdata_t;
zfs_close(zhp);
return (0);
}
+ if (cb->cb_dryrun) {
+ zfs_close(zhp);
+ return (0);
+ }
- if (!cb->cb_dryrun) {
- if (zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
+ /*
+ * We batch up all contiguous snapshots (even of different
+ * filesystems) and destroy them with one ioctl. We can't
+ * simply do all snap deletions and then all fs deletions,
+ * because we must delete a clone before its origin.
+ */
+ if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) {
+ fnvlist_add_boolean(cb->cb_batchedsnaps, name);
+ } else {
+ int error = zfs_destroy_snaps_nvl(g_zfs,
+ cb->cb_batchedsnaps, B_FALSE);
+ fnvlist_free(cb->cb_batchedsnaps);
+ cb->cb_batchedsnaps = fnvlist_alloc();
+
+ if (error != 0 ||
+ zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
zfs_close(zhp);
return (-1);
if (nvlist_exists(cb->cb_nvl, name)) {
if (cb->cb_firstsnap == NULL)
- cb->cb_firstsnap = zfs_handle_dup(zhp);
+ cb->cb_firstsnap = strdup(name);
if (cb->cb_prevsnap != NULL)
- zfs_close(cb->cb_prevsnap);
+ free(cb->cb_prevsnap);
/* this snap continues the current range */
- cb->cb_prevsnap = zfs_handle_dup(zhp);
+ cb->cb_prevsnap = strdup(name);
+ if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL)
+ nomem();
if (cb->cb_verbose) {
if (cb->cb_parsable) {
(void) printf("destroy\t%s\n", name);
} else if (cb->cb_firstsnap != NULL) {
/* end of this range */
uint64_t used = 0;
- err = zfs_get_snapused_int(cb->cb_firstsnap,
+ err = lzc_snaprange_space(cb->cb_firstsnap,
cb->cb_prevsnap, &used);
cb->cb_snapused += used;
- zfs_close(cb->cb_firstsnap);
+ free(cb->cb_firstsnap);
cb->cb_firstsnap = NULL;
- zfs_close(cb->cb_prevsnap);
+ free(cb->cb_prevsnap);
cb->cb_prevsnap = NULL;
}
zfs_close(zhp);
if (cb->cb_firstsnap != NULL) {
uint64_t used = 0;
if (err == 0) {
- err = zfs_get_snapused_int(cb->cb_firstsnap,
+ err = lzc_snaprange_space(cb->cb_firstsnap,
cb->cb_prevsnap, &used);
}
cb->cb_snapused += used;
- zfs_close(cb->cb_firstsnap);
+ free(cb->cb_firstsnap);
cb->cb_firstsnap = NULL;
- zfs_close(cb->cb_prevsnap);
+ free(cb->cb_prevsnap);
cb->cb_prevsnap = NULL;
}
return (err);
zfs_do_destroy(int argc, char **argv)
{
destroy_cbdata_t cb = { 0 };
+ int rv = 0;
+ int err = 0;
int c;
- zfs_handle_t *zhp;
+ zfs_handle_t *zhp = NULL;
char *at;
zfs_type_t type = ZFS_TYPE_DATASET;
at = strchr(argv[0], '@');
if (at != NULL) {
- int err = 0;
/* Build the list of snaps to destroy in cb_nvl. */
- if (nvlist_alloc(&cb.cb_nvl, NV_UNIQUE_NAME, 0) != 0)
- nomem();
+ cb.cb_nvl = fnvlist_alloc();
*at = '\0';
zhp = zfs_open(g_zfs, argv[0],
cb.cb_snapspec = at + 1;
if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 ||
cb.cb_error) {
- zfs_close(zhp);
- nvlist_free(cb.cb_nvl);
- return (1);
+ rv = 1;
+ goto out;
}
if (nvlist_empty(cb.cb_nvl)) {
(void) fprintf(stderr, gettext("could not find any "
"snapshots to destroy; check snapshot names.\n"));
- zfs_close(zhp);
- nvlist_free(cb.cb_nvl);
- return (1);
+ rv = 1;
+ goto out;
}
if (cb.cb_verbose) {
}
if (!cb.cb_dryrun) {
- if (cb.cb_doclones)
+ if (cb.cb_doclones) {
+ cb.cb_batchedsnaps = fnvlist_alloc();
err = destroy_clones(&cb);
+ if (err == 0) {
+ err = zfs_destroy_snaps_nvl(g_zfs,
+ cb.cb_batchedsnaps, B_FALSE);
+ }
+ if (err != 0) {
+ rv = 1;
+ goto out;
+ }
+ }
if (err == 0) {
- err = zfs_destroy_snaps_nvl(zhp, cb.cb_nvl,
+ err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl,
cb.cb_defer_destroy);
}
}
- zfs_close(zhp);
- nvlist_free(cb.cb_nvl);
if (err != 0)
- return (1);
+ rv = 1;
} else {
/* Open the given dataset */
if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use 'zpool destroy %s' "
"to destroy the pool itself\n"), zfs_get_name(zhp));
- zfs_close(zhp);
- return (1);
+ rv = 1;
+ goto out;
}
/*
if (!cb.cb_doclones &&
zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
&cb) != 0) {
- zfs_close(zhp);
- return (1);
+ rv = 1;
+ goto out;
}
if (cb.cb_error) {
- zfs_close(zhp);
- return (1);
+ rv = 1;
+ goto out;
}
+ cb.cb_batchedsnaps = fnvlist_alloc();
if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback,
&cb) != 0) {
- zfs_close(zhp);
- return (1);
+ rv = 1;
+ goto out;
}
/*
* Do the real thing. The callback will close the
* handle regardless of whether it succeeds or not.
*/
- if (destroy_callback(zhp, &cb) != 0)
- return (1);
+ err = destroy_callback(zhp, &cb);
+ zhp = NULL;
+ if (err == 0) {
+ err = zfs_destroy_snaps_nvl(g_zfs,
+ cb.cb_batchedsnaps, cb.cb_defer_destroy);
+ }
+ if (err != 0)
+ rv = 1;
}
- return (0);
+out:
+ fnvlist_free(cb.cb_batchedsnaps);
+ fnvlist_free(cb.cb_nvl);
+ if (zhp != NULL)
+ zfs_close(zhp);
+ return (rv);
}
static boolean_t
/*
* If they did "zfs upgrade -a", then we could
* be doing ioctls to different pools. We need
- * to log this history once to each pool.
+ * to log this history once to each pool, and bypass
+ * the normal history logging that happens in main().
*/
- verify(zpool_stage_history(g_zfs, history_str) == 0);
+ (void) zpool_log_history(g_zfs, history_str);
+ log_history = B_FALSE;
}
if (zfs_prop_set(zhp, "version", verstr) == 0)
cb->cb_numupgraded++;
return (ret);
}
+typedef struct snap_cbdata {
+ nvlist_t *sd_nvl;
+ boolean_t sd_recursive;
+ const char *sd_snapname;
+} snap_cbdata_t;
+
+static int
+zfs_snapshot_cb(zfs_handle_t *zhp, void *arg)
+{
+ snap_cbdata_t *sd = arg;
+ char *name;
+ int rv = 0;
+ int error;
+
+ error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname);
+ if (error == -1)
+ nomem();
+ fnvlist_add_boolean(sd->sd_nvl, name);
+ free(name);
+
+ if (sd->sd_recursive)
+ rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd);
+ zfs_close(zhp);
+ return (rv);
+}
+
/*
* zfs snapshot [-r] [-o prop=value] ... <fs@snap>
*
static int
zfs_do_snapshot(int argc, char **argv)
{
- boolean_t recursive = B_FALSE;
int ret = 0;
signed char c;
nvlist_t *props;
+ snap_cbdata_t sd = { 0 };
+ boolean_t multiple_snaps = B_FALSE;
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
nomem();
+ if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0)
+ nomem();
/* check options */
while ((c = getopt(argc, argv, "ro:")) != -1) {
return (1);
break;
case 'r':
- recursive = B_TRUE;
+ sd.sd_recursive = B_TRUE;
+ multiple_snaps = B_TRUE;
break;
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
(void) fprintf(stderr, gettext("missing snapshot argument\n"));
goto usage;
}
- if (argc > 1) {
- (void) fprintf(stderr, gettext("too many arguments\n"));
- goto usage;
+
+ if (argc > 1)
+ multiple_snaps = B_TRUE;
+ for (; argc > 0; argc--, argv++) {
+ char *atp;
+ zfs_handle_t *zhp;
+
+ atp = strchr(argv[0], '@');
+ if (atp == NULL)
+ goto usage;
+ *atp = '\0';
+ sd.sd_snapname = atp + 1;
+ zhp = zfs_open(g_zfs, argv[0],
+ ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
+ if (zhp == NULL)
+ goto usage;
+ if (zfs_snapshot_cb(zhp, &sd) != 0)
+ goto usage;
}
- ret = zfs_snapshot(g_zfs, argv[0], recursive, props);
+ ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props);
+ nvlist_free(sd.sd_nvl);
nvlist_free(props);
- if (ret && recursive)
+ if (ret != 0 && multiple_snaps)
(void) fprintf(stderr, gettext("no snapshots were created\n"));
return (ret != 0);
usage:
+ nvlist_free(sd.sd_nvl);
nvlist_free(props);
usage(B_FALSE);
return (-1);
return (error);
}
-/*
- * zfs allow [-r] [-t] <tag> <snap> ...
- *
- * -r Recursively hold
- * -t Temporary hold (hidden option)
- *
- * Apply a user-hold with the given tag to the list of snapshots.
- */
static int
zfs_do_allow(int argc, char **argv)
{
return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
}
-/*
- * zfs unallow [-r] [-t] <tag> <snap> ...
- *
- * -r Recursively hold
- * -t Temporary hold (hidden option)
- *
- * Apply a user-hold with the given tag to the list of snapshots.
- */
static int
zfs_do_unallow(int argc, char **argv)
{
int i;
const char *tag;
boolean_t recursive = B_FALSE;
- boolean_t temphold = B_FALSE;
const char *opts = holding ? "rt" : "r";
int c;
case 'r':
recursive = B_TRUE;
break;
- case 't':
- temphold = B_TRUE;
- break;
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
}
if (holding) {
if (zfs_hold(zhp, delim+1, tag, recursive,
- temphold, B_FALSE, -1, 0, 0) != 0)
+ B_FALSE, -1) != 0)
++errors;
} else {
if (zfs_release(zhp, delim+1, tag, recursive) != 0)
* zfs hold [-r] [-t] <tag> <snap> ...
*
* -r Recursively hold
- * -t Temporary hold (hidden option)
*
* Apply a user-hold with the given tag to the list of snapshots.
*/
mnttab_file = g_zfs->libzfs_mnttab;
- zpool_set_history_str("zfs", argc, argv, history_str);
- verify(zpool_stage_history(g_zfs, history_str) == 0);
+ zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
libzfs_print_on_error(g_zfs, B_TRUE);
}
libzfs_fini(g_zfs);
+ if (ret == 0 && log_history)
+ (void) zpool_log_history(g_zfs, history_str);
+
/*
* The 'ZFS_ABORT' environment variable causes us to dump core on exit
* for the purposes of running ::findleaks.
projects / zfs / blobdiff