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authorWang Sheng-Hui2012-04-06 08:35:47 +0200
committerJosef Bacik2012-05-11 16:56:39 +0200
commit477d7eafa9585ded87ee1c6f69638a6baf9d8922 (patch)
tree7508201e9d639c3049303bf91d53de6ab52e0bed /fs/btrfs/extent_io.c
parentBtrfs: fix btrfs_release_extent_buffer_page with the right usage of num_exten... (diff)
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Btrfs: fix the comment for find_first_extent_bit
The return value of find_first_extent_bit is 1 or 0, no < 0. And if found something, return 0; if nothing was found, return 1. Fix the comment. Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 455daec2b6ce..fe91305e12fb 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1293,7 +1293,7 @@ out:
* returned if we find something, and *start_ret and *end_ret are
* set to reflect the state struct that was found.
*
- * If nothing was found, 1 is returned, < 0 on error
+ * If nothing was found, 1 is returned. If found something, return 0.
*/
int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
u64 *start_ret, u64 *end_ret, int bits)