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[09/13] btrfs: Document btrfs_check_shared parameters

Message ID 20210119122649.187778-10-nborisov@suse.com (mailing list archive)
State New, archived
Headers show
Series Make btrfs W=1 clean | expand

Commit Message

Nikolay Borisov Jan. 19, 2021, 12:26 p.m. UTC 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
---
 fs/btrfs/backref.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index ef71aba5bc15..eca255432a59 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1503,6 +1503,12 @@  int btrfs_find_all_roots(struct btrfs_trans_handle *trans,
 /**
  * btrfs_check_shared - tell us whether an extent is shared
  *
+ * @root: root inode belongs to
+ * @inum: inode number of the inode whose extent we are checking
+ * @bytenr: logical bytenr of the extent we are checking
+ * @roots: list of roots this extent is shared among
+ * @tmp: temporary list used for iteration
+ *
  * btrfs_check_shared uses the backref walking code but will short
  * circuit as soon as it finds a root or inode that doesn't match the
  * one passed in. This provides a significant performance benefit for