Commit 968786b9 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

target: fix discard alignment on partitions 



Use the proper bdev_discard_alignment helper that accounts for partition
offsets.

Fixes: c66ac9db ("[SCSI] target: Add LIO target core v4.0.0-rc6")
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: default avatarChaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220415045258.199825-4-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 817e8b51

drivers/target/target_core_device.c

+2 −2
Original line number Diff line number Diff line
@@ -849,8 +849,8 @@ bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib, 
	 */

	attrib->max_unmap_block_desc_count = 1;

	attrib->unmap_granularity = q->limits.discard_granularity / block_size;

	attrib->unmap_granularity_alignment = q->limits.discard_alignment /

								block_size;

	attrib->unmap_granularity_alignment =

		bdev_discard_alignment(bdev) / block_size;

	return true;

}

EXPORT_SYMBOL(target_configure_unmap_from_queue);