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Nick Piggin dd941252a8 shared tag queue barrier comment 
Should add some comments for the tag barriers (they won't be so important
if we can switch over to the explicit _lock bitops, but for now we should
make it clear).

Jens' original patch said a barrier after the test_and_clear_bit was also
required. I can't see why (and it would prevent the use of the _lock bitop).

Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
--
2007-09-14 13:56:47 -07:00
..
as-iosched.c [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00
blktrace.c blktrace: use cpu_clock() instead of sched_clock() 2007-07-27 08:08:24 +02:00
bsg.c [SCSI] bsg: update sg_io_v4 structure 2007-07-31 10:43:05 -05:00
cfq-iosched.c [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00
deadline-iosched.c [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00
elevator.c [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00
genhd.c unregister_blkdev(): return void 2007-07-17 10:23:03 -07:00
ioctl.c mm: remove destroy_dirty_buffers from invalidate_bdev() 2007-05-07 12:12:55 -07:00
Kconfig [SCSI] bsg: Fix build for CONFIG_BLOCK=n 2007-07-28 10:56:06 -04:00
Kconfig.iosched update I/O sched Kconfig help texts - CFQ is now default, not AS. 2007-02-17 20:08:22 +01:00
ll_rw_blk.c shared tag queue barrier comment 2007-09-14 13:56:47 -07:00
Makefile bsg: support for full generic block layer SG v3 2007-07-16 08:52:44 +02:00
noop-iosched.c [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00
scsi_ioctl.c [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00