[PATCH v3 09/14] btrfs: Document btrfs_check_shared parameters
From: Nikolay Borisov <hidden>
Date: 2021-01-22 10:07:05
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
Signed-off-by: Nikolay Borisov <redacted> --- fs/btrfs/backref.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index ef71aba5bc15..bbe50affb554 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c@@ -1501,7 +1501,13 @@ int btrfs_find_all_roots(struct btrfs_trans_handle *trans, } /** - * btrfs_check_shared - tell us whether an extent is shared + * Checks if an extent is shared or not + * + * @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
--
2.25.1