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Roland Dreier 893d290f1d block: Don't access request after it might be freed ... After we've done __elv_add_request() and __blk_run_queue() in blk_execute_rq_nowait(), the request might finish and be freed immediately. Therefore checking if the type is REQ_TYPE_PM_RESUME isn't safe afterwards, because if it isn't, rq might be gone. Instead, check beforehand and stash the result in a temporary. This fixes crashes in blk_execute_rq_nowait() I get occasionally when running with lots of memory debugging options enabled -- I think this race is usually harmless because the window for rq to be reallocated is so small. Signed-off-by: Roland Dreier <roland@purestorage.com> Cc: stable@kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>		12 years ago
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partitions	s390/partitions: make partition detection independent from DASD ioctls	13 years ago
Kconfig	block: remove CONFIG_EXPERIMENTAL	12 years ago
Kconfig.iosched	blkcg: make CONFIG_BLK_CGROUP bool	13 years ago
Makefile	separate partition format handling from generic code	13 years ago
blk-cgroup.c	blkcg: stop iteration early if root_rl is the only request list	12 years ago
blk-cgroup.h	blkcg: implement per-blkg request allocation	13 years ago
blk-core.c	block: Add blk_rq_pos(rq) to sort rq when plushing	12 years ago
blk-exec.c	block: Don't access request after it might be freed	12 years ago
blk-flush.c	blk-flush: move the queue kick into	13 years ago
blk-integrity.c	block: add export.h to files using EXPORT_SYMBOL/THIS_MODULE macros	13 years ago
blk-ioc.c	block: uninitialized ioc->nr_tasks triggers WARN_ON	13 years ago
blk-iopoll.c	tree-wide: fix assorted typos all over the place	15 years ago
blk-lib.c	block: Make blkdev_issue_zeroout use WRITE SAME	13 years ago
blk-map.c	block: re-use existing 'reading' variable instead of checking direction again	13 years ago
blk-merge.c	block: Implement support for WRITE SAME	13 years ago
blk-settings.c	block: Implement support for WRITE SAME	13 years ago
blk-softirq.c	sched, block: Unify cache detection	13 years ago
blk-sysfs.c	block: lift the initial queue bypass mode on blk_register_queue() instead of blk_init_allocated_queue()	13 years ago
blk-tag.c	block/blk-tag.c: Remove useless kfree	13 years ago
blk-throttle.c	workqueue: use mod_delayed_work() instead of __cancel + queue	13 years ago
blk-timeout.c	block: Drop dead function blk_abort_queue()	13 years ago
blk.h	block: Clean up special command handling logic	13 years ago
bsg-lib.c	block: drop custom queue draining used by scsi_transport_{iscsi|fc}	13 years ago
bsg.c	bsg: fix sysfs link remove warning	13 years ago
cfq-iosched.c	block: blkcg_policy_cfq shouldn't be used if !CONFIG_CFQ_GROUP_IOSCHED	13 years ago
compat_ioctl.c	block: Add BLKROTATIONAL ioctl	13 years ago
deadline-iosched.c	elevator: make elevator_init_fn() return 0/-errno	13 years ago
elevator.c	block: Clean up special command handling logic	13 years ago
genhd.c	Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq	13 years ago
ioctl.c	Merge branch 'for-3.7/core' of git://git.kernel.dk/linux-block	12 years ago
noop-iosched.c	elevator: make elevator_init_fn() return 0/-errno	13 years ago
partition-generic.c	block: add partition resize function to blkpg ioctl	13 years ago
scsi_ioctl.c	scsi: Silence unnecessary warnings about ioctl to partition	13 years ago