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Jens Axboe 581c1b1439 [PATCH] noop-iosched: avoid corrupted request merging 
Tejun Heo notes:

   "I'm currently debugging this.  The problem is that we are using the
    generic dispatch queue directly in the noop sched and merging is NOT
    allowed on dispatch queues but generic handling of last_merge tries
    to merge requests.  I'm still trying to verify this, so I'll be back
    with results soon."

In the meantime, disable merging for noop by setting REQ_NOMERGE in
elevator_noop_add_request().

Eventually, we should add a noop_list and do the dispatching like in the
other io schedulers.  Merging is still beneficial for noop (and it has
always done it).

Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-31 07:46:28 -08:00
..
acorn [ARM] Turn ARM RiscPC PCF8583 i2c RTC driver into a proper module 2005-10-30 19:07:59 +00:00
acpi [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
atm [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
base Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
block [PATCH] noop-iosched: avoid corrupted request merging 2005-10-31 07:46:28 -08:00
bluetooth [Bluetooth] Ignore additional interfaces of BPA 100/105 devices 2005-10-28 19:20:57 +02:00
cdrom powerpc: set the driver.owner field for all vio drivers 2005-10-24 16:59:13 +10:00
char Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
connector [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
cpufreq [PATCH] create and destroy cpufreq sysfs entries based on cpu notifiers 2005-10-30 17:37:14 -08:00
crypto [PATCH] CONFIG_IA32 2005-10-30 17:37:10 -08:00
dio
eisa Create platform_device.h to contain all the platform device details. 2005-10-29 19:07:23 +01:00
fc4
firmware Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
hwmon Create platform_device.h to contain all the platform device details. 2005-10-29 19:07:23 +01:00
i2c [DRIVER MODEL] Add missing driver_unregister in i2c-s3c2410 failure path. 2005-10-30 16:32:27 +00:00
ide Merge ../linux-2.6 by hand 2005-10-31 13:37:12 +11:00
ieee1394 Merge ../bleed-2.6 2005-10-28 10:13:16 -07:00
infiniband [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
input Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
isdn [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
macintosh Input: adbhid - fix OOPS introduced by dynalloc conversion 2005-10-31 01:30:32 -05:00
mca [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
md [PATCH] Use sg_set_buf/sg_init_one where applicable 2005-10-30 11:19:43 +11:00
media [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
message [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
mfd Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
misc Create platform_device.h to contain all the platform device details. 2005-10-29 19:07:23 +01:00
mmc Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
mtd Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
net Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
nubus
oprofile
parisc Auto-update from upstream 2005-10-28 12:18:07 -04:00
parport [PARISC] Convert parisc_device to use struct resource for hpa 2005-10-21 22:36:40 -04:00
pci [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
pcmcia Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
pnp [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
s390 [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
sbus [PATCH] Remove unnecessary check_region references in comments 2005-09-13 08:22:29 -07:00
scsi Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev 2005-10-31 07:34:07 -08:00
serial Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
sh [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
sn
tc Use physical addresses at the interface level, letting drivers remap 2005-10-29 19:31:35 +01:00
telephony [PATCH] telephony: fix-up schedule_timeout() usage 2005-09-10 10:06:39 -07:00
usb Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
video Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-10-31 07:32:56 -08:00
w1 [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
zorro [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
Kconfig [NET]: Add netlink connector. 2005-09-11 19:15:07 -07:00
Makefile [PATCH] USB: move handoff code 2005-10-28 16:47:38 -07:00