Commit 78b990cf authored by Guoqing Jiang's avatar Guoqing Jiang Committed by Song Liu
Browse files

md: flush md_rdev_misc_wq for HOT_ADD_DISK case 



Since rdev->kobj is removed asynchronously, it is possible that the
rdev->kobj still exists when try to add the rdev again after rdev
is removed. But this path md_ioctl (HOT_ADD_DISK) -> hot_add_disk
-> bind_rdev_to_array missed it.

Signed-off-by: default avatarGuoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: default avatarSong Liu <songliubraving@fb.com>
parent f6766ff6

drivers/md/md.c

+1 −1
Original line number Diff line number Diff line
@@ -7512,7 +7512,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, 


	}



	if (cmd == ADD_NEW_DISK)

	if (cmd == ADD_NEW_DISK || cmd == HOT_ADD_DISK)

		flush_rdev_wq(mddev);



	if (cmd == HOT_REMOVE_DISK)