Commit 93769f58 authored by Jens Axboe's avatar Jens Axboe
Browse files

md: the bitmap code needs to use blk_plug_device_unlocked() 



It doesn't hold the queue lock, so it's both racey on the queue flags
and thus spews a warning.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 6c5e0c4d

drivers/md/bitmap.c

+1 −1
Original line number Diff line number Diff line
@@ -1234,7 +1234,7 @@ int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sect 
		case 0:

			bitmap_file_set_bit(bitmap, offset);

			bitmap_count_page(bitmap,offset, 1);

			blk_plug_device(bitmap->mddev->queue);

			blk_plug_device_unlocked(bitmap->mddev->queue);

			/* fall through */

		case 1:

			*bmc = 2;