4.14-stable review patch. If anyone has any objections, please let me know.
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From: Anand Jain anand.jain@oracle.com
[ Upstream commit 0af2c4bf5a012a40a2f9230458087d7f068339d0 ]
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 anand.jain@oracle.com Reviewed-by: Nikolay Borisov nborisov@suse.com Signed-off-by: David Sterba dsterba@suse.com Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/btrfs/volumes.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2501,6 +2501,8 @@ int btrfs_init_new_device(struct btrfs_f 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);