linux/drivers/s390/scsi
Heiko Carstens 41e05a12c7 [SCSI] zfcp: optimize zfcp_qdio_account
Remove expensive ktime_get()/ktime_us_delta() functions from the hot
path and use get_clock_monotonic() instead. This elimates seven
function calls and avoids a lot of unnecessary calculations.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-09-05 08:49:49 -05:00
..
Makefile
zfcp_aux.c [SCSI] zfcp: Handle failures during device allocation correctly 2009-09-05 08:49:46 -05:00
zfcp_ccw.c [SCSI] zfcp: Replace config semaphore with mutex 2009-09-05 08:49:42 -05:00
zfcp_cfdc.c [SCSI] zfcp: Reference counting for cfdc requests 2009-04-27 10:07:36 -05:00
zfcp_dbf.c [SCSI] zfcp: Remove duplicated code for debug timestamps 2009-09-05 08:49:48 -05:00
zfcp_dbf.h [SCSI] zfcp: Update dbf calls 2009-09-05 08:49:30 -05:00
zfcp_def.h [SCSI] zfcp: optimize zfcp_qdio_account 2009-09-05 08:49:49 -05:00
zfcp_erp.c [SCSI] zfcp: Defer resource allocation to first ccw_set_online call 2009-09-05 08:49:41 -05:00
zfcp_ext.h [SCSI] zfcp: Apply common naming conventions to zfcp_fc 2009-09-05 08:49:33 -05:00
zfcp_fc.c [SCSI] zfcp: Replace config semaphore with mutex 2009-09-05 08:49:42 -05:00
zfcp_fsf.c [SCSI] zfcp: Simplify and update ct/gs and els timeout handling 2009-09-05 08:49:38 -05:00
zfcp_fsf.h [SCSI] zfcp: Move debug data from zfcp_data to own data structure 2009-09-05 08:49:06 -05:00
zfcp_qdio.c [SCSI] zfcp: optimize zfcp_qdio_account 2009-09-05 08:49:49 -05:00
zfcp_scsi.c [SCSI] zfcp: resolve false usage of dd_data in fc_rport 2009-09-05 08:49:35 -05:00
zfcp_sysfs.c [SCSI] zfcp: Replace config semaphore with mutex 2009-09-05 08:49:42 -05:00