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authorNicholas Bellinger <nab@linux-iscsi.org>2014-01-08 18:19:31 +0000
committerNicholas Bellinger <nab@linux-iscsi.org>2014-01-18 09:57:47 +0000
commit2ed22c9cbca61f0f696a0a1cbbb777da281bd79d (patch)
tree0cd4084400fedaebb9dd191fcf33c52594d5d71d /include/target
parent0c30f421a7dba0a7ca9a3f67dad15d84d4d61e01 (diff)
downloadlinux-next-2ed22c9cbca61f0f696a0a1cbbb777da281bd79d.tar.gz
target/configfs: Expose protection device attributes
This patch adds support for exposing DIF protection device attributes via configfs. This includes: pi_prot_type: Protection Type (0, 1, 3 currently support) pi_prot_format: Protection Format Operation (FILEIO only) Within se_dev_set_pi_prot_type() it also adds the se_subsystem_api device callbacks to setup per device protection information. v2 changes: - Drop pi_guard_type + pi_prot_version related code (MKP) - Add pi_prot_format logic (Sagi) - Add ->free_prot callback in target_free_device - Add hw_pi_prot_type read-only attribute 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>
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