btrfs: insert newly opened device to the end of the list

Add opened device to the tail of dev_alloc_list instead of head, so that
it maintains the same order as dev_list.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index abc6555..b2a2afe 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -709,7 +709,7 @@ static int btrfs_open_one_device(struct btrfs_fs_devices *fs_devices,
        if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state) &&
            device->devid != BTRFS_DEV_REPLACE_DEVID) {
                fs_devices->rw_devices++;
-               list_add(&device->dev_alloc_list, &fs_devices->alloc_list);
+               list_add_tail(&device->dev_alloc_list, &fs_devices->alloc_list);
        }
        brelse(bh);