Eric Lee / smarc-ti-linux-kernel

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Commit 7347b5ff7090b2b399b7921a266255cd55bbd78f

Authored by Marco Sanvido
Committed by Nicholas Bellinger
1 parent 735703cac0
Exists in master and in 20 other branches dlt-processor-sdk-linux-03.00.00.04, newt-ti-linux-3.12.y, processor-sdk-linux-01.00.00, processor-sdk-linux-02.00.01, smarc-ti-linux-3.12.10, smarc-ti-linux-3.12.y, smarc-ti-linux-3.14.y, smarc-ti-linux-3.15.y, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04, ti-linux-3.12.y, ti-linux-3.14.y, ti-linux-3.15.y, ti-lsk-linux-4.1.y

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>

Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff

drivers/target/target_core_iblock.c
Diff comments   View file @ 7347b5f
... ... @@ -181,7 +181,7 @@
181 181 */
182 182 dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count = 1;
183 183 dev->se_sub_dev->se_dev_attrib.unmap_granularity =
184   - q->limits.discard_granularity;
  184 + q->limits.discard_granularity >> 9;
185 185 dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment =
186 186 q->limits.discard_alignment;
187 187