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linux/block
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Jens Axboe fd0ff8aa1d [PATCH] blk: fix gendisk->in_flight accounting during barrier sequence 
While executing barrrier sequence, the bar_rq which carries actual
write was accounted as normal IO on completion, while it wasn't on
queueing.  This caused gendisk->in_flight to be decremented by 1 after
each barrier thus messed up statistics.

This patch makes bar_rq not accounted as normal IO.  As the containing
barrier request as a whole is accounted, part of it shouldn't be.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-23 10:39:43 -07:00
..
as-iosched.c [PATCH 1/2] iosched: fix typo and barrier() 2006-04-18 09:44:06 +02:00
blktrace.c [PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23 2006-03-23 20:00:26 +01:00
cfq-iosched.c [PATCH] cfq: Further rbtree traversal and cfq_exit_queue() race fix 2006-04-18 19:18:31 +02:00
deadline-iosched.c [PATCH] fix rmmod problems with elevator attributes, clean them up 2006-03-18 22:27:18 -05:00
elevator.c [BLOCK] limit request_fn recursion 2006-05-11 12:38:59 -07:00
genhd.c Revert "[BLOCK] Fix oops on removal of SD/MMC card" 2006-05-12 12:08:46 -07:00
ioctl.c [PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23 2006-03-23 20:00:26 +01:00
Kconfig [PATCH] config: fix CONFIG_LFS option 2006-03-31 12:18:55 -08:00
Kconfig.iosched [BLOCK] iosched: fix setting of default io scheduler 2005-11-04 08:44:58 +01:00
ll_rw_blk.c [PATCH] blk: fix gendisk->in_flight accounting during barrier sequence 2006-05-23 10:39:43 -07:00
Makefile [PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23 2006-03-23 20:00:26 +01:00
noop-iosched.c [BLOCK] noop-iosched: reimplementation of request dispatching 2005-11-12 10:56:52 +01:00
scsi_ioctl.c [SCSI] unify SCSI_IOCTL_SEND_COMMAND implementations 2006-04-13 10:13:15 -05:00