This is a note to let you know that I've just added the patch titled

btrfs: undo writable superblocke when sprouting fails

to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: btrfs-undo-writable-superblocke-when-sprouting-fails.patch and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Mon Dec 18 13:28:59 CET 2017

From: Anand Jain anand.jain@oracle.com Date: Thu, 28 Sep 2017 14:51:09 +0800 Subject: btrfs: undo writable superblocke when sprouting fails

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);

Patches currently in stable-queue which might be from anand.jain@oracle.com are

queue-4.14/btrfs-undo-writable-superblocke-when-sprouting-fails.patch queue-4.14/btrfs-fix-false-eio-for-missing-device.patch