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target: Fix iblock se_dev_attrib.unmap_granularity

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The block layer keeps q->limits.discard_granularity in bytes, but iblock
(and the SCSI Block Limits VPD page) keep unmap_granularity in blocks.
Report the correct value when exporting block devices by dividing to
convert bytes to blocks.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Marco Sanvido 2012-01-20 15:49:27 -08:00 committed by Nicholas Bellinger
parent 735703cac0
commit 7347b5ff70
1 changed files with 1 additions and 1 deletions
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2
drivers/target/target_core_iblock.c
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@ -181,7 +181,7 @@ static struct se_device *iblock_create_virtdevice(
*/
dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count = 1;
dev->se_sub_dev->se_dev_attrib.unmap_granularity =
q->limits.discard_granularity;
q->limits.discard_granularity >> 9;
dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment =
q->limits.discard_alignment;