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Jens Axboe 719d34027e [PATCH] cfq-iosched: tighten allow merge criteria 
The logic in cfq_allow_merge() wasn't clear enough - basically allow
merging for the same queues only.  Do a fast check for 'rq and bio both
sync/async' before doing the cfqq hash lookup.

This is verified to work with the fixed elv_try_merge() from commit
bb4067e341.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2006-12-22 14:13:08 -08:00
..
Kconfig [PATCH] Centralise definitions of sector_t and blkcnt_t 2006-12-04 19:41:15 -08:00
Kconfig.iosched [PATCH] BLOCK: Make it possible to disable the block layer [try #6] 2006-09-30 20:52:31 +02:00
Makefile [PATCH] BLOCK: Make it possible to disable the block layer [try #6] 2006-09-30 20:52:31 +02:00
as-iosched.c [PATCH] Allow as-iosched to be unloaded 2006-12-13 13:25:18 +01:00
blktrace.c [PATCH] Allow NULL pointers in percpu_free 2006-12-07 08:39:22 -08:00
cfq-iosched.c [PATCH] cfq-iosched: tighten allow merge criteria 2006-12-22 14:13:08 -08:00
deadline-iosched.c [BLOCK] Cleanup unused variable passing 2006-12-01 10:42:33 +01:00
elevator.c [PATCH] elevator: fixup typo in merge logic 2006-12-21 22:01:04 -08:00
genhd.c [PATCH] fault-injection capability for disk IO 2006-12-08 08:29:02 -08:00
ioctl.c [PATCH] struct path: convert block 2006-12-08 08:28:44 -08:00
ll_rw_blk.c [PATCH] fix kernel-doc warnings in 2.6.20-rc1 2006-12-22 08:55:47 -08:00
noop-iosched.c [BLOCK] Cleanup unused variable passing 2006-12-01 10:42:33 +01:00
scsi_ioctl.c [PATCH] Fixup blk_rq_unmap_user() API 2006-12-19 11:12:46 +01:00