Re: [PATCH] block: clear GD_NEED_PART_SCAN later in bdev_disk_changed

[Jens Axboe]

On 3/23/21 2:52 AM, chris.chiu@xxxxxxxxxxxxx wrote:
> From: Chris Chiu <chris.chiu@xxxxxxxxxxxxx>
> 
> The GD_NEED_PART_SCAN is set by bdev_check_media_change to initiate
> a partition scan while removing a block device. It should be cleared
> after blk_drop_paritions because blk_drop_paritions could return
> -EBUSY and then the consequence __blkdev_get has no chance to do
> delete_partition if GD_NEED_PART_SCAN already cleared.
> 
> It causes some problems on some card readers. Ex. Realtek card
> reader 0bda:0328 and 0bda:0158. The device node of the partition
> will not disappear after the memory card removed. Thus the user
> applications can not update the device mapping correctly.

Applied, thanks.

-- 
Jens Axboe