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Commit 294caaf2 authored by Roger Pau Monne's avatar Roger Pau Monne Committed by Konrad Rzeszutek Wilk
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xen-blkfront: set blk_queue_max_hw_sectors correctly 



Now that indirect segments are enabled blk_queue_max_hw_sectors must
be set to match the maximum number of sectors we can handle in a
request.

Signed-off-by: default avatarRoger Pau Monné <roger.pau@citrix.com>
Reported-by: default avatarFelipe Franciosi <felipe.franciosi@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent 2d910543

drivers/block/xen-blkfront.c

+1 −1
Original line number Diff line number Diff line
@@ -633,7 +633,7 @@ static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size, 
	/* Hard sector size and max sectors impersonate the equiv. hardware. */

	blk_queue_logical_block_size(rq, sector_size);

	blk_queue_physical_block_size(rq, physical_sector_size);

	blk_queue_max_hw_sectors(rq, 512);

	blk_queue_max_hw_sectors(rq, (segments * PAGE_SIZE) / 512);



	/* Each segment in a request is up to an aligned page in size. */

	blk_queue_segment_boundary(rq, PAGE_SIZE - 1);