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>
---
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 5f21797..78ca113 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);
--
1.7.9
--
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