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(parent: 735703c) | patch
target: Fix iblock se_dev_attrib.unmap_granularity
authorMarco Sanvido <marco@purestorage.com>
Fri, 20 Jan 2012 23:49:27 +0000 (15:49 -0800)
committerNicholas Bellinger <nab@linux-iscsi.org>
Tue, 7 Feb 2012 06:48:20 +0000 (06:48 +0000)
commit7347b5ff7090b2b399b7921a266255cd55bbd78f
tree3952df49566e07f4cbdbc7aef6b28abadf008dcatree | snapshot
parent735703cac08f34a197e1c6331ca9adc8a52d6046commit | diff
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>
drivers/target/target_core_iblock.c diff | blob | history
Domain: System / Kernel;