Btrfs: reserve metadata space in btrfs_ioctl_setflags()

Check and reserve space for btrfs_update_inode().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9619fb03a5d626251aeacdee53f77cf77eb03537..fe8a60c865ebe7107b79db2bef11cbf561f2c04b 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -254,7 +254,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
                ip->flags &= ~(BTRFS_INODE_COMPRESS | BTRFS_INODE_NOCOMPRESS);
        }
 
-       trans = btrfs_join_transaction(root);
+       trans = btrfs_start_transaction(root, 1);
        if (IS_ERR(trans)) {
                ret = PTR_ERR(trans);
                goto out_drop;