[PATCH 2/3] btrfs: use ioctl args support mask for subvolume create/delete

[David Sterba <dsterba@xxxxxxxx>]

Using the defined mask instead of flag enumeration in the ioctl handler
is preferred. No functional changes.

Signed-off-by: David Sterba <dsterba@xxxxxxxx>
---
 fs/btrfs/ioctl.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 7305e6770157..a7872cacd0aa 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1838,9 +1838,7 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file,
 		return PTR_ERR(vol_args);
 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';
 
-	if (vol_args->flags &
-	    ~(BTRFS_SUBVOL_CREATE_ASYNC | BTRFS_SUBVOL_RDONLY |
-	      BTRFS_SUBVOL_QGROUP_INHERIT)) {
+	if (vol_args->flags & ~BTRFS_SUBVOL_CREATE_ARGS_MASK) {
 		ret = -EOPNOTSUPP;
 		goto free_args;
 	}
-- 
2.25.0