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65299a3b78
linux/block
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Christoph Hellwig 65299a3b78 block: separate priority boosting from REQ_META 
Add a new REQ_PRIO to let requests preempt others in the cfq I/O schedule,
and lave REQ_META purely for marking requests as metadata in blktrace.

All existing callers of REQ_META except for XFS are updated to also
set REQ_PRIO for now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-08-23 14:50:29 +02:00
..
blk-cgroup.c cgroups: add per-thread subsystem callbacks 2011-05-26 17:12:34 -07:00
blk-cgroup.h cfq-iosched: Make IO merge related stats per cpu 2011-05-23 10:02:19 +02:00
blk-core.c Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2011-08-19 10:47:07 -07:00
blk-exec.c [SCSI] fix crash in scsi_dispatch_cmd() 2011-07-21 14:21:18 -07:00
blk-flush.c block: fix flush machinery for stacking drivers with differring flush flags 2011-08-15 21:37:25 +02:00
blk-integrity.c dm: improve block integrity support 2011-04-05 23:52:43 +02:00
blk-ioc.c Merge branch 'for-linus' into for-3.1/core 2011-07-01 16:17:13 +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 block: fix patch import error in max_discard_sectors check 2011-07-23 20:34:59 +02:00
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 block: improve rq_affinity placement 2011-08-11 10:39:04 +02:00
blk-sysfs.c block: strict rq_affinity 2011-07-23 20:44:25 +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: correctly determine sync bio 2011-08-01 10:31:06 +02:00
blk-timeout.c fault-injection: add ability to export fault_attr in arbitrary directory 2011-08-03 14:25:20 -10:00
blk.h block: fix flush machinery for stacking drivers with differring flush flags 2011-08-15 21:37:25 +02:00
bsg-lib.c bsg-lib: add module.h include 2011-08-02 10:43:35 +02:00
bsg.c bsg: fix address space warning from sparse 2011-06-20 13:27:45 +02:00
cfq-iosched.c block: separate priority boosting from REQ_META 2011-08-23 14:50:29 +02:00
cfq.h blk-cgroup: Add unaccounted time to timeslice_used. 2011-03-12 16:54:00 +01:00
compat_ioctl.c compat_ioctl: fix warning caused by qemu 2011-07-01 22:32:26 +02:00
deadline-iosched.c iosched: prevent aliased requests from starving other I/O 2011-06-02 21:19:05 +02:00
elevator.c iosched: prevent aliased requests from starving other I/O 2011-06-02 21:19:05 +02:00
genhd.c block/genhd.c: remove useless cast in diskstats_show() 2011-08-02 12:43:50 +02:00
ioctl.c block: fix refcounting in BLKBSZSET 2011-02-24 08:54:21 -08:00
Kconfig block: add bsg helper library 2011-07-31 22:05:09 +02:00
Kconfig.iosched blk-cgroup: config options re-arrangement 2010-04-26 19:27:56 +02:00
Makefile block: add bsg helper library 2011-07-31 22:05:09 +02:00
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