/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, Joyent, Inc. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2012 DEY Storage Systems, Inc. All rights reserved.
* Copyright (c) 2012 Pawel Jakub Dawidek <pawel@dawidek.net>.
int len;
zpool_handle_t *zph;
- len = strcspn(zhp->zfs_name, "/@") + 1;
+ len = strcspn(zhp->zfs_name, "/@#") + 1;
pool_name = zfs_alloc(zhp->zfs_hdl, len);
(void) strlcpy(pool_name, zhp->zfs_name, len);
return (zhp);
}
+boolean_t
+zfs_bookmark_exists(const char *path)
+{
+ nvlist_t *bmarks;
+ nvlist_t *props;
+ char fsname[ZFS_MAXNAMELEN];
+ char *bmark_name;
+ char *pound;
+ int err;
+ boolean_t rv;
+
+
+ (void) strlcpy(fsname, path, sizeof (fsname));
+ pound = strchr(fsname, '#');
+ if (pound == NULL)
+ return (B_FALSE);
+
+ *pound = '\0';
+ bmark_name = pound + 1;
+ props = fnvlist_alloc();
+ err = lzc_get_bookmarks(fsname, props, &bmarks);
+ nvlist_free(props);
+ if (err != 0) {
+ nvlist_free(bmarks);
+ return (B_FALSE);
+ }
+
+ rv = nvlist_exists(bmarks, bmark_name);
+ nvlist_free(bmarks);
+ return (rv);
+}
+
+zfs_handle_t *
+make_bookmark_handle(zfs_handle_t *parent, const char *path,
+ nvlist_t *bmark_props)
+{
+ zfs_handle_t *zhp = calloc(sizeof (zfs_handle_t), 1);
+
+ if (zhp == NULL)
+ return (NULL);
+
+ /* Fill in the name. */
+ zhp->zfs_hdl = parent->zfs_hdl;
+ (void) strlcpy(zhp->zfs_name, path, sizeof (zhp->zfs_name));
+
+ /* Set the property lists. */
+ if (nvlist_dup(bmark_props, &zhp->zfs_props, 0) != 0) {
+ free(zhp);
+ return (NULL);
+ }
+
+ /* Set the types. */
+ zhp->zfs_head_type = parent->zfs_head_type;
+ zhp->zfs_type = ZFS_TYPE_BOOKMARK;
+
+ if ((zhp->zpool_hdl = zpool_handle(zhp)) == NULL) {
+ nvlist_free(zhp->zfs_props);
+ free(zhp);
+ return (NULL);
+ }
+
+ return (zhp);
+}
+
/*
* Opens the given snapshot, filesystem, or volume. The 'types'
* argument is a mask of acceptable types. The function will print an
goto error;
}
- if (!zfs_prop_valid_for_type(prop, type)) {
+ if (!zfs_prop_valid_for_type(prop, type, B_FALSE)) {
zfs_error_aux(hdl,
dgettext(TEXT_DOMAIN, "'%s' does not "
"apply to datasets of this type"), propname);
break;
}
- case ZFS_PROP_RECORDSIZE:
case ZFS_PROP_VOLBLOCKSIZE:
- /* must be power of two within SPA_{MIN,MAX}BLOCKSIZE */
+ case ZFS_PROP_RECORDSIZE:
+ {
+ int maxbs = SPA_MAXBLOCKSIZE;
+ char buf[64];
+
+ if (zhp != NULL) {
+ maxbs = zpool_get_prop_int(zhp->zpool_hdl,
+ ZPOOL_PROP_MAXBLOCKSIZE, NULL);
+ }
+ /*
+ * The value must be a power of two between
+ * SPA_MINBLOCKSIZE and maxbs.
+ */
if (intval < SPA_MINBLOCKSIZE ||
- intval > SPA_MAXBLOCKSIZE || !ISP2(intval)) {
+ intval > maxbs || !ISP2(intval)) {
+ zfs_nicenum(maxbs, buf, sizeof (buf));
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "'%s' must be power of 2 from %u "
- "to %uk"), propname,
- (uint_t)SPA_MINBLOCKSIZE,
- (uint_t)SPA_MAXBLOCKSIZE >> 10);
+ "'%s' must be power of 2 from 512B "
+ "to %s"), propname, buf);
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
goto error;
}
break;
-
+ }
case ZFS_PROP_MLSLABEL:
{
#ifdef HAVE_MLSLABEL
(void) zfs_error(hdl, EZFS_DSREADONLY, errbuf);
break;
+ case E2BIG:
+ zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+ "property value too long"));
+ (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
+ break;
+
case ENOTSUP:
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"pool and or dataset must be upgraded to set this "
break;
case ERANGE:
- if (prop == ZFS_PROP_COMPRESSION) {
+ if (prop == ZFS_PROP_COMPRESSION ||
+ prop == ZFS_PROP_RECORDSIZE) {
(void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"property setting is not allowed on "
"bootable datasets"));
/*
* Check to see if the value applies to this type
*/
- if (!zfs_prop_valid_for_type(prop, zhp->zfs_type))
+ if (!zfs_prop_valid_for_type(prop, zhp->zfs_type, B_FALSE))
return (zfs_error(hdl, EZFS_PROPTYPE, errbuf));
/*
* Refresh the statistics so the new property is reflected.
*/
(void) get_stats(zhp);
+
+ /*
+ * Remount the filesystem to propagate the change
+ * if one of the options handled by the generic
+ * Linux namespace layer has been modified.
+ */
+ if (zfs_is_namespace_prop(prop) &&
+ zfs_is_mounted(zhp, NULL))
+ ret = zfs_mount(zhp, MNTOPT_REMOUNT, 0);
}
error:
*source = NULL;
+ /*
+ * If the property is being fetched for a snapshot, check whether
+ * the property is valid for the snapshot's head dataset type.
+ */
+ if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT &&
+ !zfs_prop_valid_for_type(prop, zhp->zfs_head_type, B_TRUE)) {
+ *val = zfs_prop_default_numeric(prop);
+ return (-1);
+ }
+
switch (prop) {
case ZFS_PROP_ATIME:
mntopt_on = MNTOPT_ATIME;
case ZFS_PROP_REFQUOTA:
case ZFS_PROP_RESERVATION:
case ZFS_PROP_REFRESERVATION:
+ case ZFS_PROP_FILESYSTEM_LIMIT:
+ case ZFS_PROP_SNAPSHOT_LIMIT:
+ case ZFS_PROP_FILESYSTEM_COUNT:
+ case ZFS_PROP_SNAPSHOT_COUNT:
*val = getprop_uint64(zhp, prop, source);
if (*source == NULL) {
case ZFS_PROP_NORMALIZE:
case ZFS_PROP_UTF8ONLY:
case ZFS_PROP_CASE:
- if (!zfs_prop_valid_for_type(prop, zhp->zfs_head_type) ||
- zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
+ if (zcmd_alloc_dst_nvlist(zhp->zfs_hdl, &zc, 0) != 0)
return (-1);
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_OBJSET_ZPLPROPS, &zc)) {
zcmd_free_nvlists(&zc);
+ if (prop == ZFS_PROP_VERSION &&
+ zhp->zfs_type == ZFS_TYPE_VOLUME)
+ *val = zfs_prop_default_numeric(prop);
return (-1);
}
if (zcmd_read_dst_nvlist(zhp->zfs_hdl, &zc, &zplprops) != 0 ||
/*
* Check to see if this property applies to our object
*/
- if (!zfs_prop_valid_for_type(prop, zhp->zfs_type))
+ if (!zfs_prop_valid_for_type(prop, zhp->zfs_type, B_FALSE))
return (-1);
if (received && zfs_prop_readonly(prop))
}
break;
+ case ZFS_PROP_FILESYSTEM_LIMIT:
+ case ZFS_PROP_SNAPSHOT_LIMIT:
+ case ZFS_PROP_FILESYSTEM_COUNT:
+ case ZFS_PROP_SNAPSHOT_COUNT:
+
+ if (get_numeric_property(zhp, prop, src, &source, &val) != 0)
+ return (-1);
+
+ /*
+ * If limit is UINT64_MAX, we translate this into 'none' (unless
+ * literal is set), and indicate that it's the default value.
+ * Otherwise, we print the number nicely and indicate that it's
+ * set locally.
+ */
+ if (literal) {
+ (void) snprintf(propbuf, proplen, "%llu",
+ (u_longlong_t)val);
+ } else if (val == UINT64_MAX) {
+ (void) strlcpy(propbuf, "none", proplen);
+ } else {
+ zfs_nicenum(val, propbuf, proplen);
+ }
+ break;
+
case ZFS_PROP_REFRATIO:
case ZFS_PROP_COMPRESSRATIO:
if (get_numeric_property(zhp, prop, src, &source, &val) != 0)
case ZFS_TYPE_SNAPSHOT:
str = "snapshot";
break;
+ case ZFS_TYPE_BOOKMARK:
+ str = "bookmark";
+ break;
default:
abort();
}
/*
* Check to see if this property applies to our object
*/
- if (!zfs_prop_valid_for_type(prop, zhp->zfs_type)) {
+ if (!zfs_prop_valid_for_type(prop, zhp->zfs_type, B_FALSE)) {
return (zfs_error_fmt(zhp->zfs_hdl, EZFS_PROPTYPE,
dgettext(TEXT_DOMAIN, "cannot get property '%s'"),
zfs_prop_to_name(prop)));
/* check for failure */
if (ret != 0) {
char parent[ZFS_MAXNAMELEN];
+ char buf[64];
+
(void) parent_name(path, parent, sizeof (parent));
switch (errno) {
return (zfs_error(hdl, EZFS_BADTYPE, errbuf));
case EDOM:
+ zfs_nicenum(SPA_MAXBLOCKSIZE, buf, sizeof (buf));
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"volume block size must be power of 2 from "
- "%u to %uk"),
- (uint_t)SPA_MINBLOCKSIZE,
- (uint_t)SPA_MAXBLOCKSIZE >> 10);
+ "512B to %s"), buf);
return (zfs_error(hdl, EZFS_BADPROP, errbuf));
{
zfs_cmd_t zc = {"\0"};
+ if (zhp->zfs_type == ZFS_TYPE_BOOKMARK) {
+ nvlist_t *nv = fnvlist_alloc();
+ fnvlist_add_boolean(nv, zhp->zfs_name);
+ int error = lzc_destroy_bookmarks(nv, NULL);
+ fnvlist_free(nv);
+ if (error != 0) {
+ return (zfs_standard_error_fmt(zhp->zfs_hdl, errno,
+ dgettext(TEXT_DOMAIN, "cannot destroy '%s'"),
+ zhp->zfs_name));
+ }
+ return (0);
+ }
+
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
if (ZFS_IS_VOLUME(zhp)) {
const char *cb_target; /* the snapshot */
uint64_t cb_create; /* creation time reference */
boolean_t cb_error;
- boolean_t cb_dependent;
boolean_t cb_force;
} rollback_data_t;
static int
-rollback_destroy(zfs_handle_t *zhp, void *data)
+rollback_destroy_dependent(zfs_handle_t *zhp, void *data)
{
rollback_data_t *cbp = data;
+ prop_changelist_t *clp;
- if (!cbp->cb_dependent) {
- if (strcmp(zhp->zfs_name, cbp->cb_target) != 0 &&
- zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT &&
- zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) >
- cbp->cb_create) {
+ /* We must destroy this clone; first unmount it */
+ clp = changelist_gather(zhp, ZFS_PROP_NAME, 0,
+ cbp->cb_force ? MS_FORCE: 0);
+ if (clp == NULL || changelist_prefix(clp) != 0) {
+ cbp->cb_error = B_TRUE;
+ zfs_close(zhp);
+ return (0);
+ }
+ if (zfs_destroy(zhp, B_FALSE) != 0)
+ cbp->cb_error = B_TRUE;
+ else
+ changelist_remove(clp, zhp->zfs_name);
+ (void) changelist_postfix(clp);
+ changelist_free(clp);
- cbp->cb_dependent = B_TRUE;
- cbp->cb_error |= zfs_iter_dependents(zhp, B_FALSE,
- rollback_destroy, cbp);
- cbp->cb_dependent = B_FALSE;
+ zfs_close(zhp);
+ return (0);
+}
- cbp->cb_error |= zfs_destroy(zhp, B_FALSE);
- }
- } else {
- /* We must destroy this clone; first unmount it */
- prop_changelist_t *clp;
+static int
+rollback_destroy(zfs_handle_t *zhp, void *data)
+{
+ rollback_data_t *cbp = data;
- clp = changelist_gather(zhp, ZFS_PROP_NAME, 0,
- cbp->cb_force ? MS_FORCE: 0);
- if (clp == NULL || changelist_prefix(clp) != 0) {
- cbp->cb_error = B_TRUE;
- zfs_close(zhp);
- return (0);
- }
- if (zfs_destroy(zhp, B_FALSE) != 0)
- cbp->cb_error = B_TRUE;
- else
- changelist_remove(clp, zhp->zfs_name);
- (void) changelist_postfix(clp);
- changelist_free(clp);
+ if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) {
+ cbp->cb_error |= zfs_iter_dependents(zhp, B_FALSE,
+ rollback_destroy_dependent, cbp);
+
+ cbp->cb_error |= zfs_destroy(zhp, B_FALSE);
}
zfs_close(zhp);
* Given a dataset, rollback to a specific snapshot, discarding any
* data changes since then and making it the active dataset.
*
- * Any snapshots more recent than the target are destroyed, along with
- * their dependents.
+ * Any snapshots and bookmarks more recent than the target are
+ * destroyed, along with their dependents (i.e. clones).
*/
int
zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force)
cb.cb_force = force;
cb.cb_target = snap->zfs_name;
cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
- (void) zfs_iter_children(zhp, rollback_destroy, &cb);
+ (void) zfs_iter_snapshots(zhp, B_FALSE, rollback_destroy, &cb);
+ (void) zfs_iter_bookmarks(zhp, rollback_destroy, &cb);
if (cb.cb_error)
return (-1);
projects / mirror_zfs-debian.git / blobdiff