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linux-stable/drivers/target/tcm_fc
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Mike Christie 6f55b06f9b scsi: target: Drop sess_cmd_lock from I/O path 
Drop the sess_cmd_lock by:

 - Removing the sess_cmd_list use from LIO core, because it's been
   moved to qla2xxx.

 - Removing sess_tearing_down check in the I/O path. Instead of using that
   bit and the sess_cmd_lock, we rely on the cmd_count percpu ref. To do
   this we switch to percpu_ref_kill_and_confirm/percpu_ref_tryget_live.

Link: https://lore.kernel.org/r/1604257174-4524-7-git-send-email-michael.christie@oracle.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-11-04 22:39:37 -05:00
..
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcm_fc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
tfc_cmd.c scsi: libfc: Move scsi/fc_encode.h to libfc 2020-10-29 21:49:25 -04:00
tfc_conf.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
tfc_io.c scsi: libfc: Move scsi/fc_encode.h to libfc 2020-10-29 21:49:25 -04:00
tfc_sess.c scsi: target: Drop sess_cmd_lock from I/O path 2020-11-04 22:39:37 -05:00