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Neil Brown e7e72bf641 Remove blkdev warning triggered by using md ... As setting and clearing queue flags now requires that we hold a spinlock on the queue, and as blk_queue_stack_limits is called without that lock, get the lock inside blk_queue_stack_limits. For blk_queue_stack_limits to be able to find the right lock, each md personality needs to set q->queue_lock to point to the appropriate lock. Those personalities which didn't previously use a spin_lock, us q->__queue_lock. So always initialise that lock when allocated. With this in place, setting/clearing of the QUEUE_FLAG_PLUGGED bit will no longer cause warnings as it will be clear that the proper lock is held. Thanks to Dan Williams for review and fixing the silly bugs. Signed-off-by: NeilBrown <neilb@suse.de> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Alistair John Strachan <alistair@devzero.co.uk> Cc: Nick Piggin <npiggin@suse.de> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Jacek Luczak <difrost.kernel@gmail.com> Cc: Prakash Punnoor <prakash@punnoor.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		17 years ago
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Kconfig	Kconfig: clean up block/Kconfig help descriptions	17 years ago
Kconfig.iosched	update I/O sched Kconfig help texts - CFQ is now default, not AS.	18 years ago
Makefile	block: ll_rw_blk.c split, add blk-merge.c	17 years ago
as-iosched.c	block: kill swap_io_context()	17 years ago
blk-barrier.c	block: remove remaining __FUNCTION__ occurrences	17 years ago
blk-core.c	Remove blkdev warning triggered by using md	17 years ago
blk-exec.c	block: make core bits checkpatch compliant	17 years ago
blk-ioc.c	cfq-iosched: fix RCU race in the cfq io_context destructor handling	17 years ago
blk-map.c	block: add dma alignment and padding support to blk_rq_map_kern	17 years ago
blk-merge.c	block: get rid of likely/unlikely predictions in merge logic	17 years ago
blk-settings.c	Remove blkdev warning triggered by using md	17 years ago
blk-sysfs.c	block: sysfs store function needs to grab queue_lock and use queue_flag_*()	17 years ago
blk-tag.c	block: adjust tagging function queue bit locking	17 years ago
blk.h	block: rename and export rq_init()	17 years ago
blktrace.c	Fix misuses of bdevname()	17 years ago
bsg.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	17 years ago
cfq-iosched.c	cfq-iosched: make io priorities inherit CPU scheduling class as well as nice	17 years ago
compat_ioctl.c	Fix misuses of bdevname()	17 years ago
deadline-iosched.c	block: let elv_register() return void	17 years ago
elevator.c	block: remove remaining __FUNCTION__ occurrences	17 years ago
genhd.c	block: do_mounts - accept root=<non-existant partition>	17 years ago
ioctl.c	compat_ioctl: move common block ioctls to compat_blkdev_ioctl	18 years ago
noop-iosched.c	block: let elv_register() return void	17 years ago
scsi_ioctl.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	17 years ago