AcoSail/kernel_optimize_test
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fb22c402ff
kernel_optimize_test/drivers/block
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Philipp Reisner fb22c402ff drbd: Track the reasons to suspend IO in dedicated state bits 
There are three ways to get IO suspended:

 * Loss of any access to data
 * Fence-peer-handler running
 * User requested to suspend IO

Track those in different bits, so that one condition clearing its
state bit does not interfere with the other two conditions.

Only when the user resumes IO he overrules all three bits.

The fact is hidden from the user, he sees only a single suspend
bit.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2010-10-14 18:38:40 +02:00
..
aoe block: push down BKL into .open and .release 2010-08-07 18:25:34 +02:00
drbd drbd: Track the reasons to suspend IO in dedicated state bits 2010-10-14 18:38:40 +02:00
paride block: push down BKL into .open and .release 2010-08-07 18:25:34 +02:00
amiflop.c amiga floppy: Compile failure fixes 2010-09-26 12:23:25 +09:00
ataflop.c atari floppy: Stop sharing request queue across multiple gendisks 2010-09-24 20:35:45 +02:00
brd.c block: push down BKL into .locked_ioctl 2010-08-07 18:25:00 +02:00
cciss_cmd.h cciss: fix hard reset code. 2010-08-07 18:52:30 +02:00
cciss_scsi.c cciss: change printks to dev_warn, etc. 2010-08-07 18:52:30 +02:00
cciss_scsi.h cciss: remove C99-style comments 2010-02-22 13:44:45 +01:00
cciss.c cciss: remove some superfluous tests from cciss_bigpassthru() 2010-09-10 12:12:40 +02:00
cciss.h cciss: use consistent variable names 2010-08-07 18:52:30 +02:00
cpqarray.c cpqarray: check put_user() result 2010-08-07 18:53:03 +02:00
cpqarray.h
cryptoloop.c drivers: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:16:32 -04:00
DAC960.c block: push down BKL into .open and .release 2010-08-07 18:25:34 +02:00
DAC960.h Fix DAC960 driver on machines which don't support 64-bit DMA 2007-09-11 17:21:19 -07:00
floppy.c floppy: switch to one queue per drive instead of sharing a queue 2010-09-22 09:32:36 +02:00
hd.c block: remove wrappers for request type/flags 2010-08-07 18:17:56 +02:00
ida_cmd.h
ida_ioctl.h
Kconfig paride: fix menu indentation 2010-05-11 09:02:55 +02:00
loop.c loop: add some basic read-only sysfs attributes 2010-08-23 15:18:10 +02:00
Makefile The DRBD driver 2009-10-01 21:17:49 +02:00
mg_disk.c block: remove wrappers for request type/flags 2010-08-07 18:17:56 +02:00
nbd.c Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block 2010-08-10 15:22:42 -07:00
osdblk.c block: remove q->prepare_flush_fn completely 2010-08-07 18:24:15 +02:00
pktcdvd.c block: push down BKL into .open and .release 2010-08-07 18:25:34 +02:00
ps3disk.c block: remove q->prepare_flush_fn completely 2010-08-07 18:24:15 +02:00
ps3vram.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
smart1,2.h
sunvdc.c block: Consolidate phys_segment and hw_segment limits 2010-02-26 13:58:08 +01:00
swim3.c block: push down BKL into .open and .release 2010-08-07 18:25:34 +02:00
swim_asm.S m68k: mac - Add SWIM floppy support 2009-03-26 21:15:27 +01:00
swim.c block: push down BKL into .open and .release 2010-08-07 18:25:34 +02:00
sx8.c block: Consolidate phys_segment and hw_segment limits 2010-02-26 13:58:08 +01:00
ub.c block: push down BKL into .open and .release 2010-08-07 18:25:34 +02:00
umem.c block: unify flags for struct bio and struct request 2010-08-07 18:20:39 +02:00
umem.h drivers/block/umem: trim trailing whitespace 2007-10-10 09:25:59 +02:00
viodasd.c block: push down BKL into .open and .release 2010-08-07 18:25:34 +02:00
virtio_blk.c Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block 2010-08-10 15:22:42 -07:00
xd.c block: push down BKL into .locked_ioctl 2010-08-07 18:25:00 +02:00
xd.h [PATCH] switch xd 2008-10-21 07:48:11 -04:00
xen-blkfront.c Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block 2010-08-10 15:22:42 -07:00
xsysace.c of: fix missing headers for of_address_to_resource() in MTD and SysACE drivers 2010-08-17 13:16:47 -06:00
z2ram.c block: push down BKL into .open and .release 2010-08-07 18:25:34 +02:00