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Tejun Heo a185eb4bc8 block: fix empty barrier on write-through w/ ordered tag 
Empty barrier on write-through (or no cache) w/ ordered tag has no
command to execute and without any command to execute ordered tag is
never issued to the device and the ordering is never achieved.  Force
draining for such cases.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 		2008-12-29 08:28:45 +01:00
..
Kconfig blktrace: port to tracepoints 2008-11-26 12:13:34 +01:00
Kconfig.iosched update I/O sched Kconfig help texts - CFQ is now default, not AS. 2007-02-17 20:08:22 +01:00
Makefile block: unify request timeout handling 2008-10-09 08:56:13 +02:00
as-iosched.c block: use cancel_work_sync() instead of kblockd_flush_work() 2008-12-29 08:28:44 +01:00
blk-barrier.c block: fix empty barrier on write-through w/ ordered tag 2008-12-29 08:28:45 +01:00
blk-core.c block: remove duplicate or unused barrier/discard error paths 2008-12-29 08:28:44 +01:00
blk-exec.c Add some block/ source files to the kernel-api docbook. Fix kernel-doc notation in them as needed. Fix changed function parameter names. Fix typos/spellos. In comments, change REQ_SPECIAL to REQ_TYPE_SPECIAL and REQ_BLOCK_PC to REQ_TYPE_BLOCK_PC. 2008-10-09 08:56:03 +02:00
blk-integrity.c block: Switch blk_integrity_compare from bdev to gendisk 2008-10-09 08:56:21 +02:00
blk-ioc.c cfq-iosched: fix RCU race in the cfq io_context destructor handling 2008-05-07 09:28:57 +02:00
blk-map.c When block layer fails to map iov, it calls bio_unmap_user to undo 2008-12-03 12:41:20 +01:00
blk-merge.c block: remove unused ll_new_mergeable() 2008-11-06 08:41:55 +01:00
blk-settings.c block: fix setting of max_segment_size and seg_boundary mask 2008-12-03 12:55:55 +01:00
blk-softirq.c block: add fault injection mechanism for faking request timeouts 2008-10-09 08:56:17 +02:00
blk-sysfs.c block: don't take lock on changing ra_pages 2008-12-29 08:28:43 +01:00
blk-tag.c block/blk-tag.c: cleanup kernel-doc 2008-12-29 08:28:43 +01:00
blk-timeout.c block: leave the request timeout timer running even on an empty list 2008-12-29 08:28:42 +01:00
blk.h block: remove __generic_unplug_device() from exports 2008-10-17 14:03:08 +02:00
blktrace.c blktrace: port to tracepoints 2008-11-26 12:13:34 +01:00
bsg.c Enforce a minimum SG_IO timeout 2008-12-05 14:49:18 -08:00
cfq-iosched.c block: use cancel_work_sync() instead of kblockd_flush_work() 2008-12-29 08:28:44 +01:00
cmd-filter.c [PATCH] introduce fmode_t, do annotations 2008-10-21 07:47:06 -04:00
compat_ioctl.c block: don't take lock on changing ra_pages 2008-12-29 08:28:43 +01:00
deadline-iosched.c deadline-iosched: non-functional fixes 2008-10-09 08:56:03 +02:00
elevator.c block: simplify empty barrier implementation 2008-12-29 08:28:45 +01:00
genhd.c block: set disk->node_id before it's being used 2008-12-03 12:41:20 +01:00
ioctl.c block: don't take lock on changing ra_pages 2008-12-29 08:28:43 +01:00
noop-iosched.c block: let elv_register() return void 2007-12-18 08:29:28 +01:00
scsi_ioctl.c scsi-ioctl: use clock_t <> jiffies 2008-12-29 08:28:42 +01:00