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authorMatthew Ahrens <[email protected]>2013-06-20 14:43:17 -0800
committerBrian Behlendorf <[email protected]>2013-11-04 11:18:14 -0800
commit1a077756e8ba946a55f999fa1cb5f0e7dcb9aa81 (patch)
tree40c84c287964ba8d9f517d3392c7a482c85109cf /lib/libzfs
parent34ffbed88c949bc4c8b52691e548db16a6e6816a (diff)
Illumos #3829
3829 fix for 3740 changed behavior of zfs destroy/hold/release ioctl Reviewed by: Matt Amdur <[email protected]> Reviewed by: Christopher Siden <[email protected]> Approved by: Richard Lowe <[email protected]> References: https://www.illumos.org/issues/3829 illumos/illumos-gate@bb6e70758d0c30c09f148026d6e686e21cfc8d18 Ported-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #1775
Diffstat (limited to 'lib/libzfs')
-rw-r--r--lib/libzfs/libzfs_dataset.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/lib/libzfs/libzfs_dataset.c b/lib/libzfs/libzfs_dataset.c
index 4b4f8d8c9..3bbd653c6 100644
--- a/lib/libzfs/libzfs_dataset.c
+++ b/lib/libzfs/libzfs_dataset.c
@@ -21,7 +21,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012 by Delphix. 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 <[email protected]>.
* Copyright 2012 Nexenta Systems, Inc. All rights reserved.
@@ -4412,6 +4412,7 @@ struct holdarg {
const char *snapname;
const char *tag;
boolean_t recursive;
+ int error;
};
static int
@@ -4539,15 +4540,20 @@ zfs_release_one(zfs_handle_t *zhp, void *arg)
struct holdarg *ha = arg;
char name[ZFS_MAXNAMELEN];
int rv = 0;
+ nvlist_t *existing_holds;
(void) snprintf(name, sizeof (name),
"%s@%s", zhp->zfs_name, ha->snapname);
- if (lzc_exists(name)) {
- nvlist_t *holds = fnvlist_alloc();
- fnvlist_add_boolean(holds, ha->tag);
- fnvlist_add_nvlist(ha->nvl, name, holds);
- fnvlist_free(holds);
+ if (lzc_get_holds(name, &existing_holds) != 0) {
+ ha->error = ENOENT;
+ } else if (!nvlist_exists(existing_holds, ha->tag)) {
+ ha->error = ESRCH;
+ } else {
+ nvlist_t *torelease = fnvlist_alloc();
+ fnvlist_add_boolean(torelease, ha->tag);
+ fnvlist_add_nvlist(ha->nvl, name, torelease);
+ fnvlist_free(torelease);
}
if (ha->recursive)
@@ -4571,16 +4577,21 @@ zfs_release(zfs_handle_t *zhp, const char *snapname, const char *tag,
ha.snapname = snapname;
ha.tag = tag;
ha.recursive = recursive;
+ ha.error = 0;
(void) zfs_release_one(zfs_handle_dup(zhp), &ha);
if (nvlist_empty(ha.nvl)) {
fnvlist_free(ha.nvl);
- ret = ENOENT;
+ ret = ha.error;
(void) snprintf(errbuf, sizeof (errbuf),
dgettext(TEXT_DOMAIN,
"cannot release hold from snapshot '%s@%s'"),
zhp->zfs_name, snapname);
- (void) zfs_standard_error(hdl, ret, errbuf);
+ if (ret == ESRCH) {
+ (void) zfs_error(hdl, EZFS_REFTAG_RELE, errbuf);
+ } else {
+ (void) zfs_standard_error(hdl, ret, errbuf);
+ }
return (ret);
}