/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2011 by Delphix. All rights reserved.
*/
#include <assert.h>
HELP_HOLD,
HELP_HOLDS,
HELP_RELEASE,
- HELP_DIFF
+ HELP_DIFF,
} zfs_help_t;
typedef struct zfs_command {
"\tcreate [-ps] [-b blocksize] [-o property=value] ... "
"-V <size> <volume>\n"));
case HELP_DESTROY:
- return (gettext("\tdestroy [-rRf] <filesystem|volume>\n"
- "\tdestroy [-rRd] <snapshot>\n"));
+ return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n"
+ "\tdestroy [-dnpRrv] "
+ "<filesystem|volume>@<snap>[%<snap>][,...]\n"));
case HELP_GET:
return (gettext("\tget [-rHp] [-d max] "
"[-o \"all\" | field[,...]] [-s source[,...]]\n"
case HELP_ROLLBACK:
return (gettext("\trollback [-rRf] <snapshot>\n"));
case HELP_SEND:
- return (gettext("\tsend [-vRDp] [-[iI] snapshot] <snapshot>\n"));
+ return (gettext("\tsend [-DnPpRrv] [-[iI] snapshot] "
+ "<snapshot>\n"));
case HELP_SET:
return (gettext("\tset <property=value> "
"<filesystem|volume|snapshot> ...\n"));
(void) fprintf(fp, "YES NO <size> | none\n");
(void) fprintf(fp, "\t%-15s ", "groupquota@...");
(void) fprintf(fp, "YES NO <size> | none\n");
+ (void) fprintf(fp, "\t%-15s ", "written@<snap>");
+ (void) fprintf(fp, " NO NO <size>\n");
(void) fprintf(fp, gettext("\nSizes are specified in bytes "
"with standard units such as K, M, G, etc.\n"));
*/
typedef struct destroy_cbdata {
boolean_t cb_first;
- int cb_force;
- int cb_recurse;
- int cb_error;
- int cb_needforce;
- int cb_doclones;
- boolean_t cb_closezhp;
+ boolean_t cb_force;
+ boolean_t cb_recurse;
+ boolean_t cb_error;
+ boolean_t cb_doclones;
zfs_handle_t *cb_target;
- char *cb_snapname;
boolean_t cb_defer_destroy;
+ boolean_t cb_verbose;
+ boolean_t cb_parsable;
+ boolean_t cb_dryrun;
+ nvlist_t *cb_nvl;
+
+ /* first snap in contiguous run */
+ zfs_handle_t *cb_firstsnap;
+ /* previous snap in contiguous run */
+ zfs_handle_t *cb_prevsnap;
+ int64_t cb_snapused;
+ char *cb_snapspec;
} destroy_cbdata_t;
/*
(void) fprintf(stderr, gettext("use '-r' to destroy "
"the following datasets:\n"));
cbp->cb_first = B_FALSE;
- cbp->cb_error = 1;
+ cbp->cb_error = B_TRUE;
}
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use '-R' to destroy "
"the following datasets:\n"));
cbp->cb_first = B_FALSE;
- cbp->cb_error = 1;
+ cbp->cb_error = B_TRUE;
+ cbp->cb_dryrun = B_TRUE;
}
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
static int
destroy_callback(zfs_handle_t *zhp, void *data)
{
- destroy_cbdata_t *cbp = data;
+ destroy_cbdata_t *cb = data;
+ const char *name = zfs_get_name(zhp);
+
+ if (cb->cb_verbose) {
+ if (cb->cb_parsable) {
+ (void) printf("destroy\t%s\n", name);
+ } else if (cb->cb_dryrun) {
+ (void) printf(gettext("would destroy %s\n"),
+ name);
+ } else {
+ (void) printf(gettext("will destroy %s\n"),
+ name);
+ }
+ }
/*
* Ignore pools (which we've already flagged as an error before getting
return (0);
}
- /*
- * Bail out on the first error.
- */
- if (zfs_unmount(zhp, NULL, cbp->cb_force ? MS_FORCE : 0) != 0 ||
- zfs_destroy(zhp, cbp->cb_defer_destroy) != 0) {
- zfs_close(zhp);
- return (-1);
+ if (!cb->cb_dryrun) {
+ if (zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
+ zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
+ zfs_close(zhp);
+ return (-1);
+ }
}
zfs_close(zhp);
}
static int
-destroy_snap_clones(zfs_handle_t *zhp, void *arg)
+destroy_print_cb(zfs_handle_t *zhp, void *arg)
{
- destroy_cbdata_t *cbp = arg;
- char thissnap[MAXPATHLEN];
- zfs_handle_t *szhp;
- boolean_t closezhp = cbp->cb_closezhp;
- int rv;
+ destroy_cbdata_t *cb = arg;
+ const char *name = zfs_get_name(zhp);
+ int err = 0;
- (void) snprintf(thissnap, sizeof (thissnap),
- "%s@%s", zfs_get_name(zhp), cbp->cb_snapname);
+ if (nvlist_exists(cb->cb_nvl, name)) {
+ if (cb->cb_firstsnap == NULL)
+ cb->cb_firstsnap = zfs_handle_dup(zhp);
+ if (cb->cb_prevsnap != NULL)
+ zfs_close(cb->cb_prevsnap);
+ /* this snap continues the current range */
+ cb->cb_prevsnap = zfs_handle_dup(zhp);
+ if (cb->cb_verbose) {
+ if (cb->cb_parsable) {
+ (void) printf("destroy\t%s\n", name);
+ } else if (cb->cb_dryrun) {
+ (void) printf(gettext("would destroy %s\n"),
+ name);
+ } else {
+ (void) printf(gettext("will destroy %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,
+ cb->cb_prevsnap, &used);
+ cb->cb_snapused += used;
+ zfs_close(cb->cb_firstsnap);
+ cb->cb_firstsnap = NULL;
+ zfs_close(cb->cb_prevsnap);
+ cb->cb_prevsnap = NULL;
+ }
+ zfs_close(zhp);
+ return (err);
+}
- libzfs_print_on_error(g_zfs, B_FALSE);
- szhp = zfs_open(g_zfs, thissnap, ZFS_TYPE_SNAPSHOT);
- libzfs_print_on_error(g_zfs, B_TRUE);
- if (szhp) {
- /*
- * Destroy any clones of this snapshot
- */
- if (zfs_iter_dependents(szhp, B_FALSE, destroy_callback,
- cbp) != 0) {
- zfs_close(szhp);
- if (closezhp)
- zfs_close(zhp);
- return (-1);
+static int
+destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
+{
+ int err;
+ assert(cb->cb_firstsnap == NULL);
+ assert(cb->cb_prevsnap == NULL);
+ err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb);
+ if (cb->cb_firstsnap != NULL) {
+ uint64_t used = 0;
+ if (err == 0) {
+ err = zfs_get_snapused_int(cb->cb_firstsnap,
+ cb->cb_prevsnap, &used);
}
- zfs_close(szhp);
+ cb->cb_snapused += used;
+ zfs_close(cb->cb_firstsnap);
+ cb->cb_firstsnap = NULL;
+ zfs_close(cb->cb_prevsnap);
+ cb->cb_prevsnap = NULL;
}
+ return (err);
+}
- cbp->cb_closezhp = B_TRUE;
- rv = zfs_iter_filesystems(zhp, destroy_snap_clones, arg);
- if (closezhp)
- zfs_close(zhp);
- return (rv);
+static int
+snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg)
+{
+ destroy_cbdata_t *cb = arg;
+ int err = 0;
+
+ /* Check for clones. */
+ if (!cb->cb_doclones) {
+ cb->cb_target = zhp;
+ cb->cb_first = B_TRUE;
+ err = zfs_iter_dependents(zhp, B_TRUE,
+ destroy_check_dependent, cb);
+ }
+
+ if (err == 0) {
+ if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp)))
+ nomem();
+ }
+ zfs_close(zhp);
+ return (err);
+}
+
+static int
+gather_snapshots(zfs_handle_t *zhp, void *arg)
+{
+ destroy_cbdata_t *cb = arg;
+ int err = 0;
+
+ err = zfs_iter_snapspec(zhp, cb->cb_snapspec, snapshot_to_nvl_cb, cb);
+ if (err == ENOENT)
+ err = 0;
+ if (err != 0)
+ goto out;
+
+ if (cb->cb_verbose) {
+ err = destroy_print_snapshots(zhp, cb);
+ if (err != 0)
+ goto out;
+ }
+
+ if (cb->cb_recurse)
+ err = zfs_iter_filesystems(zhp, gather_snapshots, cb);
+
+out:
+ zfs_close(zhp);
+ return (err);
+}
+
+static int
+destroy_clones(destroy_cbdata_t *cb)
+{
+ nvpair_t *pair;
+ for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL);
+ pair != NULL;
+ pair = nvlist_next_nvpair(cb->cb_nvl, pair)) {
+ zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair),
+ ZFS_TYPE_SNAPSHOT);
+ if (zhp != NULL) {
+ boolean_t defer = cb->cb_defer_destroy;
+ int err;
+
+ /*
+ * We can't defer destroy non-snapshots, so set it to
+ * false while destroying the clones.
+ */
+ cb->cb_defer_destroy = B_FALSE;
+ err = zfs_iter_dependents(zhp, B_FALSE,
+ destroy_callback, cb);
+ cb->cb_defer_destroy = defer;
+ zfs_close(zhp);
+ if (err != 0)
+ return (err);
+ }
+ }
+ return (0);
}
static int
destroy_cbdata_t cb = { 0 };
int c;
zfs_handle_t *zhp;
- char *cp;
+ char *at;
zfs_type_t type = ZFS_TYPE_DATASET;
/* check options */
- while ((c = getopt(argc, argv, "dfrR")) != -1) {
+ while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
switch (c) {
+ case 'v':
+ cb.cb_verbose = B_TRUE;
+ break;
+ case 'p':
+ cb.cb_verbose = B_TRUE;
+ cb.cb_parsable = B_TRUE;
+ break;
+ case 'n':
+ cb.cb_dryrun = B_TRUE;
+ break;
case 'd':
cb.cb_defer_destroy = B_TRUE;
type = ZFS_TYPE_SNAPSHOT;
break;
case 'f':
- cb.cb_force = 1;
+ cb.cb_force = B_TRUE;
break;
case 'r':
- cb.cb_recurse = 1;
+ cb.cb_recurse = B_TRUE;
break;
case 'R':
- cb.cb_recurse = 1;
- cb.cb_doclones = 1;
+ cb.cb_recurse = B_TRUE;
+ cb.cb_doclones = B_TRUE;
break;
case '?':
default:
/* check number of arguments */
if (argc == 0) {
- (void) fprintf(stderr, gettext("missing path argument\n"));
+ (void) fprintf(stderr, gettext("missing dataset argument\n"));
usage(B_FALSE);
}
if (argc > 1) {
usage(B_FALSE);
}
- /*
- * If we are doing recursive destroy of a snapshot, then the
- * named snapshot may not exist. Go straight to libzfs.
- */
- if (cb.cb_recurse && (cp = strchr(argv[0], '@'))) {
- int ret = 0;
+ 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();
- *cp = '\0';
- if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
+ *at = '\0';
+ zhp = zfs_open(g_zfs, argv[0],
+ ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
+ if (zhp == NULL)
return (1);
- *cp = '@';
- cp++;
- if (cb.cb_doclones) {
- boolean_t defer = cb.cb_defer_destroy;
+ 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);
+ }
- /*
- * Temporarily ignore the defer_destroy setting since
- * it's not supported for clones.
- */
- cb.cb_defer_destroy = B_FALSE;
- cb.cb_snapname = cp;
- if (destroy_snap_clones(zhp, &cb) != 0) {
- zfs_close(zhp);
- return (1);
+ 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);
+ }
+
+ if (cb.cb_verbose) {
+ char buf[16];
+ zfs_nicenum(cb.cb_snapused, buf, sizeof (buf));
+ if (cb.cb_parsable) {
+ (void) printf("reclaim\t%llu\n",
+ (u_longlong_t)cb.cb_snapused);
+ } else if (cb.cb_dryrun) {
+ (void) printf(gettext("would reclaim %s\n"),
+ buf);
+ } else {
+ (void) printf(gettext("will reclaim %s\n"),
+ buf);
}
- cb.cb_defer_destroy = defer;
}
- ret = zfs_destroy_snaps(zhp, cp, cb.cb_defer_destroy);
- zfs_close(zhp);
- if (ret) {
- (void) fprintf(stderr,
- gettext("no snapshots destroyed\n"));
+ if (!cb.cb_dryrun) {
+ if (cb.cb_doclones)
+ err = destroy_clones(&cb);
+ if (err == 0) {
+ err = zfs_destroy_snaps_nvl(zhp, cb.cb_nvl,
+ cb.cb_defer_destroy);
+ }
}
- return (ret != 0);
- }
- /* Open the given dataset */
- if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
- return (1);
+ zfs_close(zhp);
+ nvlist_free(cb.cb_nvl);
+ if (err != 0)
+ return (1);
+ } else {
+ /* Open the given dataset */
+ if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
+ return (1);
- cb.cb_target = zhp;
+ cb.cb_target = zhp;
- /*
- * Perform an explicit check for pools before going any further.
- */
- if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
- zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
- (void) fprintf(stderr, gettext("cannot destroy '%s': "
- "operation does not apply to pools\n"),
- zfs_get_name(zhp));
- (void) fprintf(stderr, gettext("use 'zfs destroy -r "
- "%s' to destroy all datasets in the pool\n"),
- 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);
- }
+ /*
+ * Perform an explicit check for pools before going any further.
+ */
+ if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
+ zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
+ (void) fprintf(stderr, gettext("cannot destroy '%s': "
+ "operation does not apply to pools\n"),
+ zfs_get_name(zhp));
+ (void) fprintf(stderr, gettext("use 'zfs destroy -r "
+ "%s' to destroy all datasets in the pool\n"),
+ 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);
+ }
- /*
- * Check for any dependents and/or clones.
- */
- cb.cb_first = B_TRUE;
- if (!cb.cb_doclones && !cb.cb_defer_destroy &&
- zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
- &cb) != 0) {
- zfs_close(zhp);
- return (1);
- }
+ /*
+ * Check for any dependents and/or clones.
+ */
+ cb.cb_first = B_TRUE;
+ if (!cb.cb_doclones &&
+ zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
+ &cb) != 0) {
+ zfs_close(zhp);
+ return (1);
+ }
- if (cb.cb_error || (!cb.cb_defer_destroy &&
- (zfs_iter_dependents(zhp, B_FALSE, destroy_callback, &cb) != 0))) {
- zfs_close(zhp);
- return (1);
- }
+ if (cb.cb_error) {
+ zfs_close(zhp);
+ return (1);
+ }
- /*
- * Do the real thing. The callback will close the handle regardless of
- * whether it succeeds or not.
- */
+ if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback,
+ &cb) != 0) {
+ zfs_close(zhp);
+ return (1);
+ }
- if (destroy_callback(zhp, &cb) != 0)
- return (1);
+ /*
+ * 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);
+ }
return (0);
}
zprop_print_one_property(zfs_get_name(zhp), cbp,
pl->pl_user_prop, buf, sourcetype, source, NULL);
+ } else if (zfs_prop_written(pl->pl_user_prop)) {
+ sourcetype = ZPROP_SRC_LOCAL;
+
+ if (zfs_prop_get_written(zhp, pl->pl_user_prop,
+ buf, sizeof (buf), cbp->cb_literal) != 0) {
+ sourcetype = ZPROP_SRC_NONE;
+ (void) strlcpy(buf, "-", sizeof (buf));
+ }
+
+ zprop_print_one_property(zfs_get_name(zhp), cbp,
+ pl->pl_user_prop, buf, sourcetype, source, NULL);
} else {
if (nvlist_lookup_nvlist(user_props,
pl->pl_user_prop, &propval) != 0) {
"---------------\n");
(void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
(void) printf(gettext(" 2 Enhanced directory entries\n"));
- (void) printf(gettext(" 3 Case insensitive and File system "
- "unique identifier (FUID)\n"));
+ (void) printf(gettext(" 3 Case insensitive and filesystem "
+ "user identifier (FUID)\n"));
(void) printf(gettext(" 4 userquota, groupquota "
"properties\n"));
(void) printf(gettext(" 5 System attributes\n"));
else
propstr = property;
right_justify = B_TRUE;
+ } else if (zfs_prop_written(pl->pl_user_prop)) {
+ if (zfs_prop_get_written(zhp, pl->pl_user_prop,
+ property, sizeof (property), B_FALSE) != 0)
+ propstr = "-";
+ else
+ propstr = property;
+ right_justify = B_TRUE;
} else {
if (nvlist_lookup_nvlist(userprops,
pl->pl_user_prop, &propval) != 0)
}
/*
- * zfs send [-vDp] -R [-i|-I <@snap>] <fs@snap>
- * zfs send [-vDp] [-i|-I <@snap>] <fs@snap>
- *
* Send a backup stream to stdout.
*/
static int
zfs_handle_t *zhp;
sendflags_t flags = { 0 };
int c, err;
- nvlist_t *dbgnv;
+ nvlist_t *dbgnv = NULL;
boolean_t extraverbose = B_FALSE;
/* check options */
- while ((c = getopt(argc, argv, ":i:I:RDpv")) != -1) {
+ while ((c = getopt(argc, argv, ":i:I:RDpvnP")) != -1) {
switch (c) {
case 'i':
if (fromname)
case 'p':
flags.props = B_TRUE;
break;
+ case 'P':
+ flags.parsable = B_TRUE;
+ flags.verbose = B_TRUE;
+ break;
case 'v':
if (flags.verbose)
extraverbose = B_TRUE;
case 'D':
flags.dedup = B_TRUE;
break;
+ case 'n':
+ flags.dryrun = B_TRUE;
+ break;
case ':':
(void) fprintf(stderr, gettext("missing argument for "
"'%c' option\n"), optopt);
usage(B_FALSE);
}
- if (isatty(STDOUT_FILENO)) {
+ if (!flags.dryrun && isatty(STDOUT_FILENO)) {
(void) fprintf(stderr,
gettext("Error: Stream can not be written to a terminal.\n"
"You must redirect standard output.\n"));
if (flags.replicate && fromname == NULL)
flags.doall = B_TRUE;
- err = zfs_send(zhp, fromname, toname, flags, STDOUT_FILENO, NULL, 0,
+ err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO, NULL, 0,
extraverbose ? &dbgnv : NULL);
- if (extraverbose) {
+ if (extraverbose && dbgnv != NULL) {
/*
* dump_nvlist prints to stdout, but that's been
* redirected to a file. Make it print to stderr
return (1);
}
- err = zfs_receive(g_zfs, argv[0], flags, STDIN_FILENO, NULL);
+ err = zfs_receive(g_zfs, argv[0], &flags, STDIN_FILENO, NULL);
return (err != 0);
}
git://git.camperquake.de / zfs.git / blobdiff