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authorMatthew Wilcox <willy@linux.intel.com>2016-03-18 00:22:00 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-18 01:09:34 +0300
commitc28f2420635b7000f7b9cde6cdbe6e7a0f8beed1 (patch)
tree42a375b82da4a8b4393446d37d751aa9fe069c4e /fs
parent7cf19af4debc804e408b059d58df7c9c226ca6fb (diff)
downloadlinux-c28f2420635b7000f7b9cde6cdbe6e7a0f8beed1.tar.xz
btrfs: use radix_tree_iter_retry()
Even though this is a 'can't happen' situation, use the new radix_tree_iter_retry() pattern to eliminate a goto. [akpm@linux-foundation.org: fix btrfs build] Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Cc: Hugh Dickins <hughd@google.com> Cc: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Chris Mason <clm@fb.com> Cc: Josef Bacik <jbacik@fb.com> Cc: David Sterba <dsterba@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/tests/btrfs-tests.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c
index 0e1e61a7ec23..1c76d73e06dc 100644
--- a/fs/btrfs/tests/btrfs-tests.c
+++ b/fs/btrfs/tests/btrfs-tests.c
@@ -137,7 +137,6 @@ static void btrfs_free_dummy_fs_info(struct btrfs_fs_info *fs_info)
void **slot;
spin_lock(&fs_info->buffer_lock);
-restart:
radix_tree_for_each_slot(slot, &fs_info->buffer_radix, &iter, 0) {
struct extent_buffer *eb;
@@ -147,7 +146,7 @@ restart:
/* Shouldn't happen but that kind of thinking creates CVE's */
if (radix_tree_exception(eb)) {
if (radix_tree_deref_retry(eb))
- goto restart;
+ slot = radix_tree_iter_retry(&iter);
continue;
}
spin_unlock(&fs_info->buffer_lock);