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target: fix discard alignment on partitions

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Use the proper bdev_discard_alignment helper that accounts for partition
offsets.

Fixes: c66ac9db8d ("[SCSI] target: Add LIO target core v4.0.0-rc6")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220415045258.199825-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-04-15 06:52:34 +02:00 committed by Jens Axboe
parent 817e8b51eb
commit 968786b9ef
1 changed files with 2 additions and 2 deletions
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4
drivers/target/target_core_device.c
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@ -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);