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773cbaf746
linux/drivers/target
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Nicholas Bellinger 773cbaf746 target: Add/check max_write_same_len device attribute + update block limits VPD 
This patch adds a new max_write_same_len device attribute for use with
WRITE_SAME w/ UNMAP=0 backend emulation.  This can be useful for
lowering the default backend value (IBLOCK uses 0xFFFF).

Also, update block limits VPD emulation code in spc_emulate_evpd_b0() to
report MAXIMUM WRITE SAME LENGTH, and enforce max_write_same_len during
sbc_parse() -> sbc_setup_write_same() CDB sanity checking for all emulated
WRITE_SAME w/ UNMAP=0 cases.

(Robert: Move max_write_same_len check in sbc_setup_write_same() to
         check both WRITE_SAME w/ UNMAP=1 and w/ UNMAP=0 cases)

Cc: Christoph Hellwig <hch@lst.de>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Robert Elliott <Elliott@hp.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-11-15 12:27:21 -08:00
..
iscsi iscsi-target: Always send a response before terminating iSCSI connection 2012-11-07 20:12:08 -08:00
loopback target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
sbp sbp-target: remove depends on CONFIG_EXPERIMENTAL 2012-11-07 20:12:09 -08:00
tcm_fc tcm_fc: move the dereference below the NULL test 2012-09-17 18:04:09 -07:00
Kconfig sbp-target: Initial merge of firewire/ieee-1394 target mode support 2012-05-09 15:25:17 -07:00
Makefile target: move code for CDB emulation 2012-07-16 17:27:45 -07:00
target_core_alua.c target: Fix incorrect inversion of TPGS_EXPLICT_ALUA check 2012-11-06 20:55:46 -08:00
target_core_alua.h target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00
target_core_configfs.c target: Add/check max_write_same_len device attribute + update block limits VPD 2012-11-15 12:27:21 -08:00
target_core_device.c target: Add/check max_write_same_len device attribute + update block limits VPD 2012-11-15 12:27:21 -08:00
target_core_fabric_configfs.c target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_fabric_lib.c target: Fix minor spelling typos in drivers/target 2012-09-17 17:13:31 -07:00
target_core_file.c target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00
target_core_file.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_hba.c target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_iblock.c target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00
target_core_iblock.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_internal.h target: Add/check max_write_same_len device attribute + update block limits VPD 2012-11-15 12:27:21 -08:00
target_core_pr.c target: Fix exception path pr_reg put regression for PR RELEASE 2012-11-07 20:12:06 -08:00
target_core_pr.h target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00
target_core_pscsi.c target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00
target_core_pscsi.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_rd.c target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00
target_core_rd.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_sbc.c target: Add/check max_write_same_len device attribute + update block limits VPD 2012-11-15 12:27:21 -08:00
target_core_spc.c target: Add/check max_write_same_len device attribute + update block limits VPD 2012-11-15 12:27:21 -08:00
target_core_stat.c target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_tmr.c target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_tpg.c target: Fix minor spelling typos in drivers/target 2012-09-17 17:13:31 -07:00
target_core_transport.c target: Fix possible TFO->write_pending() sense_reason_t silent WRITE corruption 2012-11-07 20:10:56 -08:00
target_core_ua.c target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00
target_core_ua.h target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00