Jens Axboe 0f78ab9899 Revert "Seperate read and write statistics of in_flight requests" ... This reverts commit a9327cac44. Corrado Zoccolo <czoccolo@gmail.com> reports: "with 2.6.32-rc1 I started getting the following strange output from "iostat -kx 2": Linux 2.6.31bisect (et2) 04/10/2009 _i686_ (2 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 10,70 0,00 3,16 15,75 0,00 70,38 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 18,22 0,00 0,67 0,01 14,77 0,02 43,94 0,01 10,53 39043915,03 2629219,87 sdb 60,89 9,68 50,79 3,04 1724,43 50,52 65,95 0,70 13,06 488437,47 2629219,87 avg-cpu: %user %nice %system %iowait %steal %idle 2,72 0,00 0,74 0,00 0,00 96,53 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 100,00 sdb 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 100,00 avg-cpu: %user %nice %system %iowait %steal %idle 6,68 0,00 0,99 0,00 0,00 92,33 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 100,00 sdb 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 100,00 avg-cpu: %user %nice %system %iowait %steal %idle 4,40 0,00 0,73 1,47 0,00 93,40 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sda 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 0,00 100,00 sdb 0,00 4,00 0,00 3,00 0,00 28,00 18,67 0,06 19,50 333,33 100,00 Global values for service time and utilization are garbage. For interval values, utilization is always 100%, and service time is higher than normal. I bisected it down to: [a9327cac44] Seperate read and write statistics of in_flight requests and verified that reverting just that commit indeed solves the issue on 2.6.32-rc1." So until this is debugged, revert the bad commit. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>		2009-10-04 21:04:38 +02:00
..
as-iosched.c
blk-barrier.c
blk-core.c	Revert "Seperate read and write statistics of in_flight requests"	2009-10-04 21:04:38 +02:00
blk-exec.c
blk-integrity.c
blk-ioc.c
blk-iopoll.c
blk-map.c
blk-merge.c	Revert "Seperate read and write statistics of in_flight requests"	2009-10-04 21:04:38 +02:00
blk-settings.c
blk-softirq.c
blk-sysfs.c
blk-tag.c
blk-timeout.c
blk.h
bsg.c
cfq-iosched.c	cfq-iosched: don't delay async queue if it hasn't dispatched at all	2009-10-04 20:36:19 +02:00
compat_ioctl.c	block: Topology ioctls	2009-10-03 20:52:01 +02:00
deadline-iosched.c
elevator.c
genhd.c	Revert "Seperate read and write statistics of in_flight requests"	2009-10-04 21:04:38 +02:00
ioctl.c	block: Topology ioctls	2009-10-03 20:52:01 +02:00
Kconfig
Kconfig.iosched
Makefile
noop-iosched.c
scsi_ioctl.c