diff options
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index fb260bbf59c..f8b803f30ed 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -854,10 +854,10 @@ int btrfs_sync_fs(struct super_block *sb, int wait) btrfs_wait_ordered_extents(root, 0); - trans = btrfs_join_transaction_freeze(root); + trans = btrfs_attach_transaction(root); if (IS_ERR(trans)) { - /* Frozen, don't bother */ - if (PTR_ERR(trans) == -EPERM) + /* no transaction, don't bother */ + if (PTR_ERR(trans) == -ENOENT) return 0; return PTR_ERR(trans); } @@ -1511,7 +1511,17 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd, static int btrfs_freeze(struct super_block *sb) { - return 0; + struct btrfs_trans_handle *trans; + struct btrfs_root *root = btrfs_sb(sb)->tree_root; + + trans = btrfs_attach_transaction(root); + if (IS_ERR(trans)) { + /* no transaction, don't bother */ + if (PTR_ERR(trans) == -ENOENT) + return 0; + return PTR_ERR(trans); + } + return btrfs_commit_transaction(trans, root); } static int btrfs_unfreeze(struct super_block *sb) |