linux/drivers/target
Nicholas Bellinger beb55a0cc1 target: Remove __transport_execute_tasks() for each processing context
This patch removes the original usage of __transport_execute_tasks() ahead
of every transport_get_cmd_from_queue() call in transport_processing_thread().
This helps reduce se_device->execute_task_lock contention between qla2xxx wq
with target_submit_cmd() for READs and transport_processing_thread()
context servicing WRITEs with full payloads for I/O submission.

It also adds a __transport_execute_tasks() to kick the task queue again
without a *se_cmd descriptor with existing queue full logic, but this may
end up not being necessary.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Roland Dreier <roland@purestorage.com>
Cc: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-12-14 11:50:12 +00:00
..
iscsi iscsi-target: fix chap identifier simple_strtoul usage 2011-12-14 11:28:09 +00:00
loopback tcm_loop: bump max_sectors 2011-12-14 11:28:11 +00:00
tcm_fc tcm_fc: Convert ft_send_work to use target_submit_cmd 2011-12-14 11:42:08 +00:00
Kconfig iscsi-target: Add iSCSI fabric support for target v4.1 2011-07-26 09:16:43 +00:00
Makefile target: remove the ->transport_split_cdb callback in se_cmd 2011-10-24 03:21:15 +00:00
target_core_alua.c target: header reshuffle, part2 2011-12-14 11:26:05 +00:00
target_core_alua.h target: pass the se_task to the CDB emulation callback 2011-11-04 08:00:17 +00:00
target_core_cdb.c target: Set response format in INQUIRY response 2011-12-14 11:38:28 +00:00
target_core_configfs.c target/configs: remove trailing newline from udev_path and alias 2011-12-14 11:28:10 +00:00
target_core_device.c target: Drop se_device TCQ queue_depth usage from I/O path 2011-12-14 11:42:13 +00:00
target_core_fabric_configfs.c target: header reshuffle, part2 2011-12-14 11:26:05 +00:00
target_core_fabric_lib.c target: remove useless casts 2011-12-14 11:28:07 +00:00
target_core_file.c target: remove useless casts 2011-12-14 11:28:07 +00:00
target_core_file.h target: make the ->get_cdb method optional 2011-10-24 03:21:11 +00:00
target_core_hba.c target: header reshuffle, part2 2011-12-14 11:26:05 +00:00
target_core_iblock.c target: remove useless casts 2011-12-14 11:28:07 +00:00
target_core_iblock.h target: make the ->get_cdb method optional 2011-10-24 03:21:11 +00:00
target_core_internal.h target: reshuffle headers 2011-12-14 08:51:12 +00:00
target_core_pr.c target: Move core_scsi3_check_cdb_abort_and_preempt 2011-12-14 11:27:34 +00:00
target_core_pr.h target: Move core_scsi3_check_cdb_abort_and_preempt 2011-12-14 11:27:34 +00:00
target_core_pscsi.c target: Drop se_device TCQ queue_depth usage from I/O path 2011-12-14 11:42:13 +00:00
target_core_pscsi.h target: cleanup pscsi request submission 2011-10-24 03:20:44 +00:00
target_core_rd.c target: use \n as a separator for configuration 2011-12-14 11:27:23 +00:00
target_core_rd.h target: make the ->get_cdb method optional 2011-10-24 03:21:11 +00:00
target_core_stat.c target: remove useless casts 2011-12-14 11:28:07 +00:00
target_core_tmr.c target: simplify target_check_cdb_and_preempt 2011-12-14 11:27:55 +00:00
target_core_tpg.c target: header reshuffle, part2 2011-12-14 11:26:05 +00:00
target_core_transport.c target: Remove __transport_execute_tasks() for each processing context 2011-12-14 11:50:12 +00:00
target_core_ua.c target: header reshuffle, part2 2011-12-14 11:26:05 +00:00
target_core_ua.h [SCSI] target: Add LIO target core v4.0.0-rc6 2011-01-14 10:12:29 -06:00