Vivek Goyal 4cbadbd16e blk-cgroup: Initialize ioc->cgroup_changed at ioc creation time ...

If we don't explicitly initialize it to zero, CFQ might think that
cgroup of ioc has changed and it generates lots of unnecessary calls
to call_for_each_cic(changed_cgroup). Fix it.

cfq_get_io_context()
  cfq_ioc_set_cgroup()
     call_for_each_cic(ioc, changed_cgroup)

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

2011-05-23 19:35:04 +02:00

..

blk-cgroup.c

cfq-iosched: Make IO merge related stats per cpu

2011-05-23 10:02:19 +02:00

blk-cgroup.h

cfq-iosched: Make IO merge related stats per cpu

2011-05-23 10:02:19 +02:00

blk-core.c

block: call elv_bio_merged() when merged

2011-05-23 10:02:19 +02:00

blk-exec.c

block: Remove 'plug/unplug' comment in blk_execute_rq_nowait

2011-05-05 15:10:05 -06:00

blk-flush.c

block: hold queue if flush is running for non-queueable flush drive

2011-05-06 11:36:25 -06:00

blk-integrity.c

dm: improve block integrity support

2011-04-05 23:52:43 +02:00

blk-ioc.c

blk-cgroup: Initialize ioc->cgroup_changed at ioc creation time

2011-05-23 19:35:04 +02:00

blk-iopoll.c

tree-wide: fix assorted typos all over the place

2009-12-04 15:39:55 +01:00

blk-lib.c

blkdev: Do not return -EOPNOTSUPP if discard is supported

2011-05-06 19:30:01 -06:00

blk-map.c

block: check for proper length of iov entries earlier in blk_rq_map_user_iov()

2010-11-29 10:04:50 +01:00

blk-merge.c

block: attempt to merge with existing requests on plug flush

2011-03-21 10:14:27 +01:00

blk-settings.c

block: Fix discard topology stacking and reporting

2011-05-18 10:37:35 +02:00

blk-softirq.c

…

blk-sysfs.c

Merge commit 'v2.6.39' into for-2.6.40/core

2011-05-20 20:33:15 +02:00

blk-tag.c

include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h

2010-03-30 22:02:32 +09:00

blk-throttle.c

blk-throttle: Make no throttling rule group processing lockless

2011-05-20 20:34:53 +02:00

blk-timeout.c

block: ensure jiffies wrap is handled correctly in blk_rq_timed_out_timer

2010-04-21 17:42:08 +02:00

blk.h

Merge branch 'for-linus' into for-2.6.40/core

2011-05-20 20:36:16 +02:00

bsg.c

[SCSI] bsg: correct fault if queue object removed while dev_t open

2010-12-09 09:41:14 -06:00

cfq-iosched.c

cfq-iosched: Fix a memory leak of per cpu stats for root group

2011-05-23 10:02:19 +02:00

cfq.h

blk-cgroup: Add unaccounted time to timeslice_used.

2011-03-12 16:54:00 +01:00

compat_ioctl.c

BKL: remove extraneous #include <smp_lock.h>

2010-11-17 08:59:32 -08:00

deadline-iosched.c

block: remove per-queue plugging

2011-03-10 08:52:07 +01:00

elevator.c

block: get rid of on-stack plugging debug checks

2011-05-20 20:52:16 +02:00

genhd.c

block: don't propagate unlisted DISK_EVENTs to userland

2011-04-21 19:43:58 +02:00

ioctl.c

block: fix refcounting in BLKBSZSET

2011-02-24 08:54:21 -08:00

Kconfig

kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT

2011-01-20 17:02:05 -08:00

Kconfig.iosched

blk-cgroup: config options re-arrangement

2010-04-26 19:27:56 +02:00

Makefile

Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block

2010-10-22 17:07:18 -07:00

noop-iosched.c

block: remove per-queue plugging

2011-03-10 08:52:07 +01:00

scsi_ioctl.c

block: take care not to overflow when calculating total iov length

2010-11-10 14:40:42 +01:00