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btrfs: undo writable superblocke when sprouting fails

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[ 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>
This commit is contained in:
Anand Jain 2017-09-28 14:51:09 +08:00 committed by Greg Kroah-Hartman
parent 9e87c49d62
commit da76a65a01
1 changed files with 2 additions and 0 deletions
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2
fs/btrfs/volumes.c
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@ -2501,6 +2501,8 @@ 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);