From 0af2c4bf5a012a40a2f9230458087d7f068339d0 Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Thu, 28 Sep 2017 14:51:09 +0800 Subject: [PATCH] btrfs: undo writable superblocke when sprouting fails When new device is being added to seed FS, seed FS is marked writable, but when we fail to bring in the new device, we missed to undo the writable part. This patch fixes it. Signed-off-by: Anand Jain Reviewed-by: Nikolay Borisov Signed-off-by: David Sterba --- fs/btrfs/volumes.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index ac1e8686ba78..0be58b5a320c 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2496,6 +2496,8 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path return ret; error_trans: + if (seeding_dev) + sb->s_flags |= MS_RDONLY; btrfs_end_transaction(trans); rcu_string_free(device->name); btrfs_sysfs_rm_device_link(fs_info->fs_devices, device); -- 2.30.2