linux-stable/drivers/target
Akinobu Mita 64d240b721 target/file: Fix UNMAP with DIF protection support
When UNMAP command is issued with DIF protection support enabled,
the protection info for the unmapped region is remain unchanged.
So READ command for the region causes data integrity failure.

This fixes it by invalidating protection info for the unmapped region
by filling with 0xff pattern.  This change also adds helper function
fd_do_prot_fill() in order to reduce code duplication with existing
fd_format_prot().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-04-15 22:47:27 -07:00
..
iscsi target: simplify the target template registration API 2015-04-14 12:28:41 -07:00
loopback target: simplify the target template registration API 2015-04-14 12:28:41 -07:00
sbp target: simplify the target template registration API 2015-04-14 12:28:41 -07:00
tcm_fc target: simplify the target template registration API 2015-04-14 12:28:41 -07:00
Kconfig target: Add a user-passthrough backstore 2014-10-03 11:15:20 -07:00
Makefile target: Add a user-passthrough backstore 2014-10-03 11:15:20 -07:00
target_core_alua.c scsi: rename SERVICE_ACTION_IN to SERVICE_ACTION_IN_16 2014-11-24 20:01:40 +01:00
target_core_alua.h target_core_alua: Referrals configfs integration 2014-01-09 21:48:35 -08:00
target_core_configfs.c target: simplify the target template registration API 2015-04-14 12:28:41 -07:00
target_core_device.c target: Drop left-over fabric_max_sectors attribute 2015-01-09 15:22:05 -08:00
target_core_fabric_configfs.c target: simplify the target template registration API 2015-04-14 12:28:41 -07:00
target_core_fabric_lib.c target: fix pr_out length in iscsi_parse_pr_out_transport_id 2014-09-17 15:17:35 -07:00
target_core_file.c target/file: Fix UNMAP with DIF protection support 2015-04-15 22:47:27 -07:00
target_core_file.h Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2014-01-31 15:31:23 -08:00
target_core_hba.c target: Move dev_cit to struct se_subsystem_api 2014-12-01 21:35:22 -08:00
target_core_iblock.c target/iblock: Add checks for backend DIF emulation 2015-04-07 23:27:44 -07:00
target_core_iblock.h
target_core_internal.h target: move external declarations to a headers 2015-03-26 14:51:53 -07:00
target_core_pr.c target: Fix two sparse warnings 2015-04-14 12:37:38 -07:00
target_core_pr.h target: Fix APTPL metadata handling for dynamic MappedLUNs 2014-10-04 05:40:19 +00:00
target_core_pscsi.c SCSI for-linus on 20141220 2014-12-20 13:42:57 -08:00
target_core_pscsi.h
target_core_rd.c target/rd: Don't pass incomplete scatterlist entries to sbc_dif_verify_* 2015-04-14 12:37:42 -07:00
target_core_rd.h target/rd: Add support for protection SGL setup + release 2014-01-19 02:22:05 +00:00
target_core_sbc.c target/sbc: Update sbc_dif_generate pr_debug output 2015-04-15 22:47:19 -07:00
target_core_spc.c target: Update SPC/SBC emulation for sess_prot_type 2015-04-07 23:26:09 -07:00
target_core_stat.c target: Convert se_device statistics to atomic_long_t 2013-11-13 18:34:55 -08:00
target_core_tmr.c target: Make core_tmr_abort_task() skip TMFs 2015-04-15 22:47:21 -07:00
target_core_tpg.c target: simplify the target template registration API 2015-04-14 12:28:41 -07:00
target_core_transport.c target: Ensure sess_prot_type is saved across session restart 2015-04-15 22:46:30 -07:00
target_core_ua.c target: encapsulate smp_mb__after_atomic() 2014-10-01 14:39:06 -07:00
target_core_ua.h target: target_core_ua_h: Add #define of include guard 2014-09-15 14:27:43 -07:00
target_core_user.c target: add missing __user annotations 2015-03-26 14:53:17 -07:00
target_core_xcopy.c target: simplify the target template registration API 2015-04-14 12:28:41 -07:00
target_core_xcopy.h target: Add support for EXTENDED_COPY copy offload emulation 2013-09-10 16:48:43 -07:00