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Tejun Heo 47e627ce83 [PATCH] blk: fix merge bug in as-iosched 
as-iosched deals with aliased requests differently from other ioscheds.

It links together aliased requests using rq->queuelist instead of
spilling alises to dispatch queue like other ioscheds do.  Requests
linked in this way cannot be merged.

Unfortunately, generic q->last_merge handling patch didn't take this
into account and q->last_merge could be set to an aliased request
resulting in Badness, corrupt list and eventually panic.

This explicitly marks aliased requests to be unmergeable.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2005-10-29 10:28:13 -07:00
..
aoe [PATCH] Driver Core: fix up all callers of class_device_create() 2005-10-28 09:52:52 -07:00
paride [PATCH] Driver Core: fix up all callers of class_device_create() 2005-10-28 09:52:52 -07:00
DAC960.c [PATCH] DAC960: add support for Mylex AcceleRAID 4/5/600 2005-05-05 16:36:43 -07:00
DAC960.h [PATCH] DAC960: add support for Mylex AcceleRAID 4/5/600 2005-05-05 16:36:43 -07:00
Kconfig [PATCH] Kconfig fix (BLK_DEV_FD dependencies) 2005-09-07 17:17:12 -07:00
Kconfig.iosched Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
acsi.c [PATCH] timer initialization cleanup: DEFINE_TIMER 2005-09-09 14:03:48 -07:00
acsi_slm.c [PATCH] timer initialization cleanup: DEFINE_TIMER 2005-09-09 14:03:48 -07:00
amiflop.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
as-iosched.c [PATCH] blk: fix merge bug in as-iosched 2005-10-29 10:28:13 -07:00
ataflop.c [PATCH] timer initialization cleanup: DEFINE_TIMER 2005-09-09 14:03:48 -07:00
cciss.c [PATCH] cciss: busy_initializing bug fix 2005-09-21 10:11:54 -07:00
cciss.h [PATCH] cciss: direct lookup for command completions 2005-09-13 08:22:30 -07:00
cciss_cmd.h [PATCH] cciss: direct lookup for command completions 2005-09-13 08:22:30 -07:00
cciss_scsi.c [PATCH] cciss: SCSI tape info for /proc 2005-09-13 08:22:30 -07:00
cciss_scsi.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cfq-iosched.c Merge branch 'generic-dispatch' of git://brick.kernel.dk/data/git/linux-2.6-block 2005-10-28 08:53:49 -07:00
cpqarray.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cpqarray.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cryptoloop.c [CRYPTO]: Use CRYPTO_TFM_REQ_MAY_SLEEP where appropriate 2005-09-01 17:43:25 -07:00
deadline-iosched.c Merge branch 'generic-dispatch' of git://brick.kernel.dk/data/git/linux-2.6-block 2005-10-28 08:53:49 -07:00
elevator.c Merge branch 'elevator-switch' of git://brick.kernel.dk/data/git/linux-2.6-block 2005-10-28 08:56:34 -07:00
floppy.c [PATCH] timer initialization cleanup: DEFINE_TIMER 2005-09-09 14:03:48 -07:00
genhd.c [PATCH] add sysfs attr to re-emit device hotplug event 2005-10-28 09:52:51 -07:00
ida_cmd.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ida_ioctl.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ioctl.c [PATCH] block: add unlocked_ioctl support for block devices 2005-06-23 09:45:32 -07:00
ll_rw_blk.c Merge branch 'elevator-switch' of git://brick.kernel.dk/data/git/linux-2.6-block 2005-10-28 08:56:34 -07:00
loop.c [PATCH] gfp_t: remaining bits of drivers/* 2005-10-28 08:16:51 -07:00
nbd.c [PATCH] nbd: Don't create all MAX_NBD devices by default all the time 2005-05-01 08:59:07 -07:00
noop-iosched.c [PATCH] 04/05 remove last_merge handling from ioscheds 2005-10-28 08:45:35 +02:00
pktcdvd.c [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
ps2esdi.c [PATCH] timer initialization cleanup: DEFINE_TIMER 2005-09-09 14:03:48 -07:00
rd.c [PATCH] gfp_t: remaining bits of drivers/* 2005-10-28 08:16:51 -07:00
scsi_ioctl.c [PATCH] scsi_ioctl: only warn for rejected commands 2005-10-08 15:00:57 -07:00
smart1,2.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
swim3.c [PATCH] drivers/block: fix-up schedule_timeout() usage 2005-09-10 10:06:38 -07:00
swim_iop.c [PATCH] drivers/block: fix-up schedule_timeout() usage 2005-09-10 10:06:38 -07:00
sx8.c drivers/block/sx8: kill unused variable 2005-10-22 01:33:18 -04:00
ub.c [PATCH] ub: suppress gcc warnings for pointer casts 2005-10-28 16:47:38 -07:00
umem.c [PATCH] janitor: block/umem: replace PRINTK with pr_debug 2005-09-10 10:06:33 -07:00
viodasd.c [PATCH] Make MODULE_DEVICE_TABLE work for vio devices 2005-08-30 13:31:56 +10:00
xd.c [PATCH] drivers/block: fix-up schedule_timeout() usage 2005-09-10 10:06:38 -07:00
xd.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
z2ram.c [PATCH] vfree and kfree cleanup in drivers/ 2005-09-10 10:06:30 -07:00