btrfs-progs: fix the comment for extent_io.c/clear_extent_bits

It should be 'clear', not 'set'.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/extent_io.c b/extent_io.c
index 464bd07..62c05fe 100644 (file)
--- a/extent_io.c
+++ b/extent_io.c
@@ -197,7 +197,7 @@ static int clear_state_bit(struct extent_io_tree *tree,
 }
 
 /*
- * set some bits on a range in the tree.
+ * clear some bits on a range in the tree.
  */
 int clear_extent_bits(struct extent_io_tree *tree, u64 start,
                      u64 end, int bits, gfp_t mask)