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authorNicholas Bellinger <nab@linux-iscsi.org>2013-12-23 20:31:24 +0000
committerNicholas Bellinger <nab@linux-iscsi.org>2014-01-18 10:14:22 +0000
commitecebbf6ccbca58b4470f092cfb0644df59ea05dd (patch)
tree62bf3d2934841d0076315eddf23f17bc0985c0ac /drivers/target/Kconfig
parentdef2b339b422070ecb99298a80e4b15033adc0ce (diff)
target/iblock: Add blk_integrity + BIP passthrough support
This patch adds blk_integrity passthrough support for block_device backends using IBLOCK. This includes iblock_alloc_bip() + setup of bio_integrity_payload information that attaches to the leading struct bio once bio_list is populated during fast-path iblock_execute_rw() I/O dispatch. It also updates setup in iblock_configure_device() to detect modes of protection + se dev->dev_attrib.pi_prot_type accordingly, along with creating required bio_set integrity mempools. Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Sagi Grimberg <sagig@mellanox.com> Cc: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/Kconfig')
-rw-r--r--drivers/target/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/target/Kconfig b/drivers/target/Kconfig
index 50aad2eeed6e..dc2d84ac5a0e 100644
--- a/drivers/target/Kconfig
+++ b/drivers/target/Kconfig
@@ -14,6 +14,7 @@ if TARGET_CORE
config TCM_IBLOCK
tristate "TCM/IBLOCK Subsystem Plugin for Linux/BLOCK"
+ select BLK_DEV_INTEGRITY
help
Say Y here to enable the TCM/IBLOCK subsystem plugin for non-buffered
access to Linux/Block devices using BIO

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