[PATCH] btrfs/locking.c: minor fix on the comment for btrfs_try_tree_write_lock

[Wang Sheng-Hui]

btrfs_try_tree_write_lock is used for write lock, not for read lock.

Signed-off-by: Wang Sheng-Hui <shhuiw@xxxxxxxxx>
---
 fs/btrfs/locking.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index 5e178d8..4e4705c 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -142,7 +142,7 @@ int btrfs_try_tree_read_lock(struct extent_buffer *eb)
 }
 
 /*
- * returns 1 if we get the read lock and 0 if we don't
+ * returns 1 if we get the write lock and 0 if we don't
  * this won't wait for blocking writers or readers
  */
 int btrfs_try_tree_write_lock(struct extent_buffer *eb)
-- 
1.7.1

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