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linux/drivers/target
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Akinobu Mita f415f5c32d target/file: Fix UNMAP with DIF protection support 
commit 64d240b721 upstream.

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>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
History 2015-05-06 10:36:17 +01:00
..
iscsi iscsi-target: Convert iscsi_thread_set usage to kthread.h 2015-05-05 11:09:38 +01:00
loopback tcm_loop: Fixup tag handling 2015-01-22 16:33:35 +00:00
sbp target: Pass in transport supported PI at session initialization 2014-04-07 01:48:54 -07:00
tcm_fc tcm_fc: missing curly braces in ft_invl_hw_context() 2015-03-30 11:11:42 +01:00
Kconfig target/iblock: Add blk_integrity + BIP passthrough support 2014-01-18 10:14:22 +00:00
Makefile target: Add support for EXTENDED_COPY copy offload emulation 2013-09-10 16:48:43 -07:00
target_core_alua.c Merge branch 'next' (accumulated 3.16 merge window patches) into master 2014-06-08 11:31:16 -07:00
target_core_alua.h target_core_alua: Referrals configfs integration 2014-01-09 21:48:35 -08:00
target_core_configfs.c target: Fix inverted logic in SE_DEV_ALUA_SUPPORT_STATE_STORE 2014-10-05 13:41:05 -07:00
target_core_device.c target: Fix virtual LUN=0 target_configure_device failure OOPs 2015-03-30 11:11:43 +01:00
target_core_fabric_configfs.c target: Fix sizeof in kmalloc for some default_groups arrays 2013-12-16 12:42:20 -08:00
target_core_fabric_lib.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
target_core_file.c target/file: Fix UNMAP with DIF protection support 2015-05-06 10:36:17 +01:00
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: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
target_core_iblock.c target: Drop arbitrary maximum I/O size limit 2015-01-22 16:33:24 +00:00
target_core_iblock.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_internal.h target/configfs: Expose protection device attributes 2014-01-18 09:57:47 +00:00
target_core_pr.c target: Allow Write Exclusive non-reservation holders to READ 2015-03-03 14:24:08 +00:00
target_core_pr.h target: Fix APTPL metadata handling for dynamic MappedLUNs 2014-11-05 11:43:05 +00:00
target_core_pscsi.c target/pscsi: Fix NULL pointer dereference in get_device_type 2015-03-30 11:11:43 +01:00
target_core_pscsi.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_rd.c target/rd: T10-Dif: RAM disk is allocating more space than required. 2014-04-07 01:48:53 -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: Fix COMPARE_AND_WRITE with SG_TO_MEM_NOALLOC handling 2015-05-06 10:24:23 +01:00
target_core_spc.c target: Drop arbitrary maximum I/O size limit 2015-01-22 16:33:24 +00:00
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: Add check to prevent Abort Task from aborting itself 2014-04-11 15:27:15 -07:00
target_core_tpg.c target: Fix APTPL metadata handling for dynamic MappedLUNs 2014-11-05 11:43:05 +00:00
target_core_transport.c target: Fix COMPARE_AND_WRITE with SG_TO_MEM_NOALLOC handling 2015-05-06 10:24:23 +01:00
target_core_ua.c arch: Mass conversion of smp_mb__*() 2014-04-18 14:20:48 +02:00
target_core_ua.h target core: rename (ex,im)plict -> (ex,im)plicit 2013-11-20 11:24:40 -08:00
target_core_xcopy.c target: cleanup some boolean tests 2014-06-06 14:21:01 -07:00
target_core_xcopy.h target: Add support for EXTENDED_COPY copy offload emulation 2013-09-10 16:48:43 -07:00