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| author | Nikolay Borisov <nborisov@suse.com> | 2021-01-22 11:58:00 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2021-02-08 22:58:54 +0100 |
| commit | 6e353e3b3c5545524d718d528548f7c8c95536c5 (patch) | |
| tree | 6a02f5f1c45cb545310b4caceaee6ba21e644de6 | |
| parent | 2639631d34941db1ebbc74fb879855e0cd286cec (diff) | |
btrfs: document btrfs_check_shared parameters
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/backref.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index ef71aba5bc15..701124c3e0b1 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 + * Check 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 |