alistair23-linux/drivers/target
David Disseldorp 0ad08996da scsi: target: avoid per-loop XCOPY buffer allocations
The main target_xcopy_do_work() loop unnecessarily allocates an I/O buffer
with each synchronous READ / WRITE pair. This commit significantly reduces
allocations by reusing the XCOPY I/O buffer when possible.

Link: https://lore.kernel.org/r/20200327141954.955-4-ddiss@suse.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-29 18:10:59 -04:00
..
iscsi scsi: target: iscsi: calling iscsit_stop_session() inside iscsit_close_session() has no effect 2020-03-26 21:47:47 -04:00
loopback
sbp
tcm_fc scsi: libfc: remove unnecessary assertion on ep variable 2019-12-19 22:08:55 -05:00
Kconfig
Makefile
target_core_alua.c
target_core_alua.h
target_core_configfs.c scsi: target: use an enum to track emulate_ua_intlck_ctrl 2020-02-21 17:37:16 -05:00
target_core_device.c scsi: target: use an enum to track emulate_ua_intlck_ctrl 2020-02-21 17:37:16 -05:00
target_core_fabric_configfs.c
target_core_fabric_lib.c scsi: target: core: Fix a pr_debug() argument 2019-11-19 21:41:11 -05:00
target_core_file.c
target_core_file.h
target_core_hba.c
target_core_iblock.c scsi: target/iblock: Fix protection error with blocks greater than 512B 2019-12-19 18:50:34 -05:00
target_core_iblock.h
target_core_internal.h
target_core_pr.c
target_core_pr.h
target_core_pscsi.c
target_core_pscsi.h
target_core_rd.c
target_core_rd.h
target_core_sbc.c
target_core_spc.c scsi: target: use an enum to track emulate_ua_intlck_ctrl 2020-02-21 17:37:16 -05:00
target_core_stat.c
target_core_tmr.c scsi: target: convert boolean se_dev_attrib types to bool 2020-02-21 17:37:14 -05:00
target_core_tpg.c scsi: target: Remove tpg_list and se_portal_group.se_tpg_node 2019-10-03 22:00:09 -04:00
target_core_transport.c scsi: target: use an enum to track emulate_ua_intlck_ctrl 2020-02-21 17:37:16 -05:00
target_core_ua.c scsi: target: use an enum to track emulate_ua_intlck_ctrl 2020-02-21 17:37:16 -05:00
target_core_ua.h
target_core_user.c scsi: target: tcmu: Prevent memory reclaim recursion 2019-11-08 21:37:24 -05:00
target_core_xcopy.c scsi: target: avoid per-loop XCOPY buffer allocations 2020-03-29 18:10:59 -04:00
target_core_xcopy.h scsi: target: avoid per-loop XCOPY buffer allocations 2020-03-29 18:10:59 -04:00