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| author | Jamie Pocas <jamie.pocas@emc.com> | 2015-11-29 14:44:57 -0800 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-01-06 13:39:55 -0800 |
| commit | e6f41633cb79b55ead84b023c02035322c7827e7 (patch) | |
| tree | 342f55892f82d100f496c8ed73f3570c8d956842 /drivers/target/target_core_iblock.c | |
| parent | ef8f46b549c2e425513ed568f18c827a37c08727 (diff) | |
| download | linux-e6f41633cb79b55ead84b023c02035322c7827e7.tar.bz2 | |
target/sbc: Add LBPRZ attribute + control CDB emulation
This change sets the LBPRZ flag in EVPD page b2h and READ CAPACITY (16)
based on a new unmap_zeroes_data device attribute. This flag is set
automatically for iblock based on underlying block device queue's
discard_zeroes_data flag.
Signed-off-by: Jamie Pocas <jamie.pocas@emc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_iblock.c')
| -rw-r--r-- | drivers/target/target_core_iblock.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index f29c69120054..e77d15000caa 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -138,6 +138,8 @@ static int iblock_configure_device(struct se_device *dev) q->limits.discard_granularity >> 9; dev->dev_attrib.unmap_granularity_alignment = q->limits.discard_alignment; + dev->dev_attrib.unmap_zeroes_data = + q->limits.discard_zeroes_data; pr_debug("IBLOCK: BLOCK Discard support available," " disabled by default\n"); |