AuxXxilium/linux_dsm_epyc7002
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ea263c7fad
linux_dsm_epyc7002/drivers/target
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Mike Christie ea263c7fad target: Fix max_unmap_lba_count calc overflow 
max_discard_sectors only 32bits, and some non scsi backend
devices will set this to the max 0xffffffff, so we can end up
overflowing during the max_unmap_lba_count calculation.

This fixes a regression caused by my patch:

commit 8a9ebe717a
Author: Mike Christie <mchristi@redhat.com>
Date:   Mon Jan 18 14:09:27 2016 -0600

    target: Fix WRITE_SAME/DISCARD conversion to linux 512b sectors

which can result in extra discards being sent to due the overflow
causing max_unmap_lba_count to be smaller than what the backing
device can actually support.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2016-07-20 00:58:36 -07:00
..
iscsi target: Fix race between iscsi-target connection shutdown + ABORT_TASK 2016-07-20 00:58:34 -07:00
loopback target: make close_session optional 2016-05-10 01:19:26 -07:00
sbp target: make close_session optional 2016-05-10 01:19:26 -07:00
tcm_fc target: make ->shutdown_session optional 2016-05-10 01:19:18 -07:00
Kconfig target: Put TCMU under a new config option 2015-04-19 22:41:12 -07:00
Makefile target: Put TCMU under a new config option 2015-04-19 22:41:12 -07:00
target_core_alua.c target: use new "dbroot" target attribute 2016-05-09 23:06:20 -07:00
target_core_alua.h target: Subsume se_port + t10_alua_tg_pt_gp_member into se_lun 2015-06-01 00:26:38 -07:00
target_core_configfs.c target: make close_session optional 2016-05-10 01:19:26 -07:00
target_core_device.c target: Fix max_unmap_lba_count calc overflow 2016-07-20 00:58:36 -07:00
target_core_fabric_configfs.c target: add a new add_wwn_groups fabrics method 2016-03-30 20:06:44 -07:00
target_core_fabric_lib.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-07-04 14:13:43 -07:00
target_core_file.c target: Fix max_unmap_lba_count calc overflow 2016-07-20 00:58:36 -07:00
target_core_file.h target/file: Remove fd_prot bounce buffer 2015-05-30 22:41:42 -07:00
target_core_hba.c target: Fix target_sense_desc_format NULL pointer dereference 2015-09-24 23:17:23 -07:00
target_core_iblock.c target: Fix max_unmap_lba_count calc overflow 2016-07-20 00:58:36 -07:00
target_core_iblock.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_internal.h target: make target db location configurable 2016-05-09 23:06:15 -07:00
target_core_pr.c target: use new "dbroot" target attribute 2016-05-09 23:06:20 -07:00
target_core_pr.h target: use 64-bit LUNs 2015-06-15 23:26:01 -07:00
target_core_pscsi.c block: add a bi_error field to struct bio 2015-07-29 08:55:15 -06:00
target_core_pscsi.h SCSI misc on 20150622 2015-06-23 15:55:44 -07:00
target_core_rd.c target: need_to_release is always false, remove redundant check and kfree 2016-05-10 01:19:55 -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 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2016-01-20 17:20:53 -08:00
target_core_spc.c target: Remove enum transport_lunflags_table 2016-03-10 21:48:55 -08:00
target_core_stat.c configfs: switch ->default groups to a linked list 2016-03-06 16:11:24 +01:00
target_core_tmr.c target: Drop incorrect ABORT_TASK put for completed commands 2016-03-05 20:24:47 -08:00
target_core_tpg.c target: remove sess_kref and ->shutdown_session 2016-05-10 01:19:49 -07:00
target_core_transport.c target: Fix race between iscsi-target connection shutdown + ABORT_TASK 2016-07-20 00:58:34 -07:00
target_core_ua.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-07-04 14:13:43 -07:00
target_core_ua.h target: Send UA when changing LUN inventory 2015-06-23 00:43:02 -07:00
target_core_user.c target/user: Report capability of handling out-of-order completions to userspace 2016-03-10 21:49:09 -08:00
target_core_xcopy.c target: enhance and export target_alloc_sgl/target_free_sgl 2016-05-13 13:37:19 -04:00
target_core_xcopy.h target: Add support for EXTENDED_COPY copy offload emulation 2013-09-10 16:48:43 -07:00