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Linus Torvalds f2f1fa78a1 Enforce a minimum SG_IO timeout ... There's no point in having too short SG_IO timeouts, since if the command does end up timing out, we'll end up through the reset sequence that is several seconds long in order to abort the command that timed out. As a result, shorter timeouts than a few seconds simply do not make sense, as the recovery would be longer than the timeout itself. Add a BLK_MIN_SG_TIMEOUT to match the existign BLK_DEFAULT_SG_TIMEOUT. Suggested-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Tejun Heo <tj@kernel.org> Acked-by: Jens Axboe <jens.axboe@oracle.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2008-12-05 14:49:18 -08:00
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Kconfig	block: Block layer data integrity support	2008-07-03 13:21:13 +02:00
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: as/cfq ssd idle check update	2008-10-09 08:56:19 +02:00
blk-barrier.c	block: internal dequeue shouldn't start timer	2008-12-03 12:41:26 +01:00
blk-core.c	block: fix setting of max_segment_size and seg_boundary mask	2008-12-03 12:55:55 +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: add support for IO CPU affinity	2008-10-09 08:56:09 +02:00
blk-tag.c	block: reserve some tags just for sync IO	2008-10-09 08:56:19 +02:00
blk-timeout.c	Block: use round_jiffies_up()	2008-11-06 08:42:49 +01:00
blk.h	block: remove __generic_unplug_device() from exports	2008-10-17 14:03:08 +02:00
blktrace.c	blktrace: use BLKTRACE_BDEV_SIZE as the name size for setup structure	2008-10-09 08:56:20 +02:00
bsg.c	Enforce a minimum SG_IO timeout	2008-12-05 14:49:18 -08:00
cfq-iosched.c	block: as/cfq ssd idle check update	2008-10-09 08:56:19 +02:00
cmd-filter.c	[PATCH] introduce fmode_t, do annotations	2008-10-21 07:47:06 -04:00
compat_ioctl.c	[PATCH 1/2] kill FMODE_NDELAY_NOW	2008-12-04 04:22:57 -05:00
deadline-iosched.c	deadline-iosched: non-functional fixes	2008-10-09 08:56:03 +02:00
elevator.c	block: internal dequeue shouldn't start timer	2008-12-03 12:41:26 +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: make add_partition() return pointer to hd_struct	2008-11-18 15:08:56 +01:00
noop-iosched.c	block: let elv_register() return void	2007-12-18 08:29:28 +01:00
scsi_ioctl.c	Enforce a minimum SG_IO timeout	2008-12-05 14:49:18 -08:00