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linux-2.6
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linux-2.6/block
Tejun Heo b243ddcbe9 block: move rq->start_time initialization to blk_rq_init()
rq->start_time was initialized in init_request_from_bio() so special
requests didn't have start_time set.  This has been okay as start_time
has been used only for fs requests; however, there is no indication of
this actually is the case or not.  Set rq->start_time in blk_rq_init()
and guarantee that all initialized rq's have its start_time set.  This
improves consistency at virtually no cost and future changes will make
use of the timestamp for !bio requests.

[ Impact: rq->start_time is valid for all requests ]

Signed-off-by: Tejun Heo <tj@kernel.org>
2009-04-28 07:37:35 +02:00
..
Kconfig block: enable by default support for large devices and files on 32-bit archs 2009-04-28 07:37:33 +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 tracing/blktrace: move the tracing file to kernel/trace 2009-02-09 10:51:02 +01:00
as-iosched.c block: kill blk_start_queueing() 2009-04-28 07:37:33 +02:00
blk-barrier.c block: Remove code handling bio_alloc failure with __GFP_WAIT 2009-04-15 12:10:12 +02:00
blk-core.c block: move rq->start_time initialization to blk_rq_init() 2009-04-28 07:37:35 +02:00
blk-exec.c block: don't set REQ_NOMERGE unnecessarily 2009-04-28 07:37:33 +02:00
blk-integrity.c block: Allow empty integrity profile 2009-01-30 12:34:36 +01:00
blk-ioc.c cfq-iosched: fix RCU race in the cfq io_context destructor handling 2008-05-07 09:28:57 +02:00
blk-map.c [SCSI] block: make blk_rq_map_user take a NULL user-space buffer for WRITE 2009-01-02 11:10:35 -06:00
blk-merge.c block: simplify I/O stat accounting 2009-04-24 08:54:21 +02:00
blk-settings.c block: fix queue bounce limit setting 2009-04-22 08:35:09 +02:00
blk-softirq.c generic-ipi: remove CSD_FLAG_WAIT 2009-02-25 14:13:44 +01:00
blk-sysfs.c block: simplify I/O stat accounting 2009-04-24 08:54:21 +02:00
blk-tag.c block/blk-tag.c: cleanup kernel-doc 2008-12-29 08:28:43 +01:00
blk-timeout.c block: clean up misc stuff after block layer timeout conversion 2009-04-28 07:37:34 +02:00
blk.h block: reorganize request fetching functions 2009-04-28 07:37:34 +02:00
bsg.c bsg: Remove bogus check against request_queue->max_sectors 2009-03-26 11:01:25 +01:00
cfq-iosched.c block: kill blk_start_queueing() 2009-04-28 07:37:33 +02:00
cmd-filter.c [SCSI] Make scsi.h independent of the rest of the scsi includes 2009-03-12 12:58:13 -05:00
compat_ioctl.c block: don't take lock on changing ra_pages 2008-12-29 08:28:43 +01:00
deadline-iosched.c block: get rid of elevator_t typedef 2008-12-29 08:29:50 +01:00
elevator.c block: reorganize request fetching functions 2009-04-28 07:37:34 +02:00
genhd.c block: include empty disks in /proc/diskstats 2009-04-22 08:35:10 +02:00
ioctl.c block: Remove code handling bio_alloc failure with __GFP_WAIT 2009-04-15 12:10:12 +02:00
noop-iosched.c block: get rid of elevator_t typedef 2008-12-29 08:29:50 +01:00
scsi_ioctl.c block: fix SG_IO vector request data length handling 2009-04-22 08:35:09 +02:00