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authorIngo Molnar <mingo@kernel.org>2014-07-17 11:45:29 +0200
committerIngo Molnar <mingo@kernel.org>2014-07-17 11:45:29 +0200
commitb5e4111f027c4be85dbe97e090530d03c55c4cf4 (patch)
tree11e0a37cb59314f4e9a7b2810124a4a7a33140e5 /fs/btrfs/disk-io.c
parent72d5305dcb3637913c2c37e847a4de9028e49244 (diff)
parent9de8033f1bbcce5ed23fe5da9ca1a5060207f7ed (diff)
Merge branch 'locking/urgent' into locking/core, before applying larger changes and to refresh the branch with fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 8bb4aa19898f..08e65e9cf2aa 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -369,7 +369,8 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
out:
unlock_extent_cached(io_tree, eb->start, eb->start + eb->len - 1,
&cached_state, GFP_NOFS);
- btrfs_tree_read_unlock_blocking(eb);
+ if (need_lock)
+ btrfs_tree_read_unlock_blocking(eb);
return ret;
}
@@ -2904,7 +2905,9 @@ retry_root_backup:
if (ret)
goto fail_qgroup;
+ mutex_lock(&fs_info->cleaner_mutex);
ret = btrfs_recover_relocation(tree_root);
+ mutex_unlock(&fs_info->cleaner_mutex);
if (ret < 0) {
printk(KERN_WARNING
"BTRFS: failed to recover relocation\n");