Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...

[cascardo/linux.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 5bd721a..f9c89ca 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1176,6 +1176,7 @@ struct btrfs_space_info {
        struct percpu_counter total_bytes_pinned;
 
        struct list_head list;
+       /* Protected by the spinlock 'lock'. */
        struct list_head ro_bgs;
 
        struct rw_semaphore groups_sem;