diff options
| author | Marcos Paulo de Souza <mpdesouza@suse.com> | 2020-02-21 14:56:12 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-26 10:40:49 +0200 |
| commit | 038580b1f58b21405be3349eecc8ae8104e9fbc9 (patch) | |
| tree | c09d23bf3e3609a7c834469ce7194ee4ce853ca7 /fs/btrfs/super.c | |
| parent | b40753984979b1cd61a19d91b2044dd15a816e9f (diff) | |
btrfs: export helpers for subvolume name/id resolution
[ Upstream commit c0c907a47dccf2cf26251a8fb4a8e7a3bf79ce84 ]
The functions will be used outside of export.c and super.c to allow
resolving subvolume name from a given id, eg. for subvolume deletion by
id ioctl.
Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ split from the next patch ]
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 4b0ee34aa65d..32c36821cc7b 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -1009,8 +1009,8 @@ out: return error; } -static char *get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info, - u64 subvol_objectid) +char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info, + u64 subvol_objectid) { struct btrfs_root *root = fs_info->tree_root; struct btrfs_root *fs_root; @@ -1421,8 +1421,8 @@ static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid, goto out; } } - subvol_name = get_subvol_name_from_objectid(btrfs_sb(mnt->mnt_sb), - subvol_objectid); + subvol_name = btrfs_get_subvol_name_from_objectid( + btrfs_sb(mnt->mnt_sb), subvol_objectid); if (IS_ERR(subvol_name)) { root = ERR_CAST(subvol_name); subvol_name = NULL; |