Patch "btrfs: undo writable superblocke when sprouting fails" has been added to the 4.14-stable tree

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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;a=summary

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@xxxxxxxxxxxxxxx> know about it.


>From foo@baz Mon Dec 18 13:28:59 CET 2017
From: Anand Jain <anand.jain@xxxxxxxxxx>
Date: Thu, 28 Sep 2017 14:51:09 +0800
Subject: btrfs: undo writable superblocke when sprouting fails

From: Anand Jain <anand.jain@xxxxxxxxxx>


[ 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@xxxxxxxxxx>
Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
Signed-off-by: David Sterba <dsterba@xxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 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@xxxxxxxxxx are

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



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