diff options
| author | David Sterba <dsterba@suse.cz> | 2013-03-20 13:21:10 (GMT) |
|---|---|---|
| committer | Josef Bacik <jbacik@fusionio.com> | 2013-05-06 19:54:23 (GMT) |
| commit | 5e2a4b25da232a2f4ce264a4b2ae113d0b2a799c (patch) | |
| tree | 3addd74042de37f9a29c36f345a65069b431b14a | |
| parent | c2cf52eb71aeb902682e0c1fa29e4e9e4a7f4ffc (diff) | |
| download | linux-5e2a4b25da232a2f4ce264a4b2ae113d0b2a799c.tar.xz | |
btrfs: deprecate subvolrootid mount option
This mount option was a workaround when subvol= assumed path relative
to the default subvolume, not the toplevel one. This was fixed long time
ago and subvolrootid has no effect.
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
| -rw-r--r-- | fs/btrfs/super.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 3fd4f2c..3c404b8 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -643,7 +643,7 @@ out: */ static int btrfs_parse_early_options(const char *options, fmode_t flags, void *holder, char **subvol_name, u64 *subvol_objectid, - u64 *subvol_rootid, struct btrfs_fs_devices **fs_devices) + struct btrfs_fs_devices **fs_devices) { substring_t args[MAX_OPT_ARGS]; char *device_name, *opts, *orig, *p; @@ -686,16 +686,8 @@ static int btrfs_parse_early_options(const char *options, fmode_t flags, } break; case Opt_subvolrootid: - intarg = 0; - error = match_int(&args[0], &intarg); - if (!error) { - /* we want the original fs_tree */ - if (!intarg) - *subvol_rootid = - BTRFS_FS_TREE_OBJECTID; - else - *subvol_rootid = intarg; - } + printk(KERN_WARNING + "btrfs: 'subvolrootid' mount option is deprecated and has no effect\n"); break; case Opt_device: device_name = match_strdup(&args[0]); @@ -1073,7 +1065,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, fmode_t mode = FMODE_READ; char *subvol_name = NULL; u64 subvol_objectid = 0; - u64 subvol_rootid = 0; int error = 0; if (!(flags & MS_RDONLY)) @@ -1081,7 +1072,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, error = btrfs_parse_early_options(data, mode, fs_type, &subvol_name, &subvol_objectid, - &subvol_rootid, &fs_devices); + &fs_devices); if (error) { kfree(subvol_name); return ERR_PTR(error); |