Vivek Goyal 32f2e807a3 cfq-iosched: reset oom_cfqq in cfq_set_request() ...

In case memory is scarce, we now default to oom_cfqq. Once memory is
available again, we should allocate a new cfqq and stop using oom_cfqq for
a particular io context.

Once a new request comes in, check if we are using oom_cfqq, and if yes,
try to allocate a new cfqq.

Tested the patch by forcing the use of oom_cfqq and upon next request thread
realized that it was using oom_cfqq and it allocated a new cfqq.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

2009-07-10 20:31:54 +02:00

..

as-iosched.c

block: convert to pos and nr_sectors accessors

2009-05-11 09:50:54 +02:00

blk-barrier.c

block: Use accessor functions for queue limits

2009-05-22 23:22:54 +02:00

blk-core.c

blocK: Restore barrier support for md and probably other virtual devices.

2009-07-01 10:56:26 +02:00

blk-exec.c

block: don't set REQ_NOMERGE unnecessarily

2009-04-28 07:37:33 +02:00

blk-integrity.c

block: Do away with the notion of hardsect_size

2009-05-22 23:22:54 +02:00

blk-ioc.c

block: prevent possible io_context->refcount overflow

2009-06-10 23:07:15 +02:00

blk-map.c

block: Use accessor functions for queue limits

2009-05-22 23:22:54 +02:00

blk-merge.c

block: don't merge requests of different failfast settings

2009-07-03 21:06:45 +02:00

blk-settings.c

Fix kernel-doc parameter name typo in blk-settings.c:

2009-06-19 09:18:32 +02:00

blk-softirq.c

generic-ipi: remove CSD_FLAG_WAIT

2009-02-25 14:13:44 +01:00

blk-sysfs.c

Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block

2009-06-11 11:10:35 -07:00

blk-tag.c

block: change the tag sync vs async restriction logic

2009-05-20 08:54:31 +02:00

blk-timeout.c

block: clean up misc stuff after block layer timeout conversion

2009-04-28 07:37:34 +02:00

blk.h

block: fix no diskstat problem

2009-05-27 14:50:02 +02:00

bsg.c

block: get rid of queue-private command filter

2009-07-01 10:56:26 +02:00

cfq-iosched.c

cfq-iosched: reset oom_cfqq in cfq_set_request()

2009-07-10 20:31:54 +02:00

compat_ioctl.c

Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block

2009-06-11 11:10:35 -07:00

deadline-iosched.c

block: convert to pos and nr_sectors accessors

2009-05-11 09:50:54 +02:00

elevator.c

block: don't merge requests of different failfast settings

2009-07-03 21:06:45 +02:00

genhd.c

Driver Core: block: add nodename support for block drivers.

2009-06-15 21:30:25 -07:00

ioctl.c

block: Use accessor functions for queue limits

2009-05-22 23:22:54 +02:00

Kconfig

block: rename CONFIG_LBD to CONFIG_LBDAF

2009-06-19 08:08:50 +02:00

Kconfig.iosched

update I/O sched Kconfig help texts - CFQ is now default, not AS.

2007-02-17 20:08:22 +01:00

Makefile

block: get rid of queue-private command filter

2009-07-01 10:56:26 +02:00

noop-iosched.c

block: get rid of elevator_t typedef

2008-12-29 08:29:50 +01:00

scsi_ioctl.c

block: call blk_scsi_ioctl_init()

2009-07-10 20:31:53 +02:00