Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
target: Fix iblock se_dev_attrib.unmap_granularity
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>
authored by Marco Sanvido and committed by Nicholas Bellinger 7347b5ff 735703ca
+1
-1
drivers/target/target_core_iblock.c
+1
-1
drivers/target/target_core_iblock.c
···
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*/
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dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count = 1;
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dev->se_sub_dev->se_dev_attrib.unmap_granularity =
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-
q->limits.discard_granularity;
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+
q->limits.discard_granularity >> 9;
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dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment =
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q->limits.discard_alignment;
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