linux_dsm_epyc7002/drivers/target
Nicholas Bellinger 310d3d314b target: Fix race with SCF_SEND_DELAYED_TAS handling
This patch fixes a race between setting of SCF_SEND_DELAYED_TAS
in transport_send_task_abort(), and check of the same bit in
transport_check_aborted_status().

It adds a __transport_check_aborted_status() version that is
used by target_execute_cmd() when se_cmd->t_state_lock is
held, and a transport_check_aborted_status() wrapper for
all other existing callers.

Also, it handles the case where the check happens before
transport_send_task_abort() gets called.  For this, go
ahead and set SCF_SEND_DELAYED_TAS early when necessary,
and have transport_send_task_abort() send the abort.

Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Himanshu Madhani <himanshu.madhani@qlogic.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: Mike Christie <mchristi@redhat.com>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2016-02-06 15:59:38 -08:00
..
iscsi 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
loopback tcm_loop: Show address of tpg in configfs 2015-11-29 03:01:45 -08:00
sbp sbp-target: Remove a superfluous forward declaration 2016-01-06 13:39:53 -08:00
tcm_fc tcm_fc: Convert acl lookup to modern get_initiator_node_acl usage 2016-01-12 23:17:51 -08:00
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 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_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: Fix a memory leak in target_dev_lba_map_store() 2016-01-07 13:57:55 -08:00
target_core_device.c target: Fix WRITE_SAME/DISCARD conversion to linux 512b sectors 2016-01-29 19:29:34 -08:00
target_core_fabric_configfs.c target: use per-attribute show and store methods 2015-10-13 22:17:49 -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 WRITE_SAME/DISCARD conversion to linux 512b sectors 2016-01-29 19:29:34 -08:00
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 WRITE_SAME/DISCARD conversion to linux 512b sectors 2016-01-29 19:29:34 -08:00
target_core_iblock.h
target_core_internal.h target: use per-attribute show and store methods 2015-10-13 22:17:49 -07:00
target_core_pr.c target: Fix spelling + remove set-but-not-used variables 2016-01-06 13:38:37 -08:00
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 Merge branch 'for-4.3/sg' of git://git.kernel.dk/linux-block 2015-09-02 13:22:38 -07:00
target_core_rd.h
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/sbc: Add LBPRZ attribute + control CDB emulation 2016-01-06 13:39:55 -08:00
target_core_stat.c target/stat: print full t10_wwn.model buffer 2015-11-28 21:23:13 -08:00
target_core_tmr.c target: Fix remote-port TMR ABORT + se_cmd fabric stop 2016-02-05 15:40:34 -08:00
target_core_tpg.c target: Obtain se_node_acl->acl_kref during get_initiator_node_acl 2016-01-20 01:34:15 -08:00
target_core_transport.c target: Fix race with SCF_SEND_DELAYED_TAS handling 2016-02-06 15:59:38 -08:00
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 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_xcopy.c target: Attach EXTENDED_COPY local I/O descriptors to xcopy_pt_sess 2015-09-11 00:32:26 -07:00
target_core_xcopy.h