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1ddd504954
linux/drivers/block
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Bud Brown 1ddd504954 cciss: fix lost command issue 
Under certain workloads a command may seem to get lost. IOW, the Smart Array
thinks all commands have been completed but we still have commands in our
completion queue. This may lead to system instability, filesystems going
read-only, or even panics depending on the affected filesystem. We add an
extra read to force the write to complete.

Testing shows this extra read avoids the problem.

Signed-off-by: Mike Miller <mike.miller@hp.com>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-03-23 20:47:11 +01:00
..
aoe drivers/block/aoe/Makefile: replace the use of <module>-objs with <module>-y 2011-01-19 08:25:02 -07:00
drbd drbd: need include for bitops functions declarations 2011-03-17 15:02:51 +01:00
paride paride: Convert to bdops->check_events() 2011-03-09 19:54:28 +01:00
amiflop.c floppy,{ami|ata}flop: Convert to bdops->check_events() 2011-03-09 19:54:27 +01:00
ataflop.c floppy,{ami|ata}flop: Convert to bdops->check_events() 2011-03-09 19:54:27 +01:00
brd.c Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block 2010-10-22 17:07:18 -07:00
cciss_cmd.h cciss: Inform controller we are using 32-bit tags. 2011-03-12 10:02:16 +01:00
cciss_scsi.c Revert "cciss: Add missing allocation in scsi_cmd_stack_setup and corresponding deallocation" 2011-03-12 13:47:51 +01:00
cciss_scsi.h cciss: remove C99-style comments 2010-02-22 13:44:45 +01:00
cciss.c cciss: fix missed command status value CMD_UNABORTABLE 2011-03-12 10:02:30 +01:00
cciss.h cciss: fix lost command issue 2011-03-23 20:47:11 +01:00
cpqarray.c block: remove per-queue plugging 2011-03-10 08:52:07 +01:00
cpqarray.h
cryptoloop.c
DAC960.c dac960: Convert to bdops->check_events() 2011-03-09 19:54:28 +01:00
DAC960.h
floppy.c Merge branch 'for-2.6.39/stack-plug' into for-2.6.39/core 2011-03-10 08:58:35 +01:00
hd.c block: remove wrappers for request type/flags 2010-08-07 18:17:56 +02:00
ida_cmd.h
ida_ioctl.h
Kconfig xen: separate out frontend xenbus 2011-01-05 16:29:17 -05:00
loop.c Merge branch 'for-2.6.39/stack-plug' into for-2.6.39/core 2011-03-10 08:58:35 +01:00
Makefile drivers/block/Makefile: replace the use of <module>-objs with <module>-y 2011-01-19 08:25:02 -07:00
mg_disk.c block: switch s390 tape_block and mg_disk to elevator_change() 2010-08-23 14:02:44 +02:00
nbd.c nbd: remove module-level ioctl mutex 2011-02-11 16:12:20 -08:00
osdblk.c block: remove spurious uses of REQ_HARDBARRIER 2010-09-10 12:35:36 +02:00
pktcdvd.c Merge branch 'for-2.6.39/stack-plug' into for-2.6.39/core 2011-03-10 08:58:35 +01:00
ps3disk.c Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block 2010-10-22 17:07:18 -07:00
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
rbd_types.h rbd: introduce rados block device (rbd), based on libceph 2010-10-20 15:38:13 -07:00
rbd.c rbd: fix cleanup when trying to mount inexistent image 2011-01-12 15:15:18 -08:00
smart1,2.h
sunvdc.c block: Consolidate phys_segment and hw_segment limits 2010-02-26 13:58:08 +01:00
swim3.c swim[3]: Convert to bdops->check_events() 2011-03-09 19:54:28 +01:00
swim_asm.S
swim.c swim[3]: Convert to bdops->check_events() 2011-03-09 19:54:28 +01:00
sx8.c block: Consolidate phys_segment and hw_segment limits 2010-02-26 13:58:08 +01:00
ub.c ub: Convert to bdops->check_events() 2011-03-09 19:54:28 +01:00
umem.c Merge branch 'for-2.6.39/stack-plug' into for-2.6.39/core 2011-03-10 08:58:35 +01:00
umem.h
viodasd.c block: autoconvert trivial BKL users to private mutex 2010-10-05 15:01:10 +02:00
virtio_blk.c Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block 2010-10-22 17:07:18 -07:00
xd.c block: autoconvert trivial BKL users to private mutex 2010-10-05 15:01:10 +02:00
xd.h
xen-blkfront.c Merge branch 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2011-01-07 16:58:04 -08:00
xsysace.c xsysace: Convert to bdops->check_events() 2011-03-09 19:54:28 +01:00
z2ram.c drivers/block/z2ram.c: correct printing of sector_t 2010-10-28 06:15:26 -06:00