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Merge branch 'for-linus' of git://git.kernel.dk/linux-block

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Pull block fixes from Jens Axboe:
 "Been sitting on this for a while, but lets get this out the door.
  This fixes various important bugs for 3.3 final, along with a few more
  trivial ones.  Please pull!"

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: fix ioc leak in put_io_context
  block, sx8: fix pointer math issue getting fw version
  Block: use a freezable workqueue for disk-event polling
  drivers/block/DAC960: fix -Wuninitialized warning
  drivers/block/DAC960: fix DAC960_V2_IOCTL_Opcode_T -Wenum-compare warning
  block: fix __blkdev_get and add_disk race condition
  block: Fix setting bio flags in drivers (sd_dif/floppy)
  block: Fix NULL pointer dereference in sd_revalidate_disk
  block: exit_io_context() should call elevator_exit_icq_fn()
  block: simplify ioc_release_fn()
  block: replace icq->changed with icq->flags
This commit is contained in:
Linus Torvalds
2012-03-14 17:16:45 -07:00
parent ff398c45b0 ff8c1474cc
commit f1cbd03f5e
11 changed files with 198 additions and 95 deletions
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7
kernel/workqueue.c
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@@ -253,11 +253,13 @@ struct workqueue_struct *system_long_wq __read_mostly;
struct workqueue_struct *system_nrt_wq __read_mostly;
struct workqueue_struct *system_unbound_wq __read_mostly;
struct workqueue_struct *system_freezable_wq __read_mostly;
struct workqueue_struct *system_nrt_freezable_wq __read_mostly;
EXPORT_SYMBOL_GPL(system_wq);
EXPORT_SYMBOL_GPL(system_long_wq);
EXPORT_SYMBOL_GPL(system_nrt_wq);
EXPORT_SYMBOL_GPL(system_unbound_wq);
EXPORT_SYMBOL_GPL(system_freezable_wq);
EXPORT_SYMBOL_GPL(system_nrt_freezable_wq);
#define CREATE_TRACE_POINTS
#include <trace/events/workqueue.h>
@@ -3833,8 +3835,11 @@ static int __init init_workqueues(void)
WQ_UNBOUND_MAX_ACTIVE);
system_freezable_wq = alloc_workqueue("events_freezable",
WQ_FREEZABLE, 0);
system_nrt_freezable_wq = alloc_workqueue("events_nrt_freezable",
WQ_NON_REENTRANT | WQ_FREEZABLE, 0);
BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq ||
!system_unbound_wq || !system_freezable_wq);
!system_unbound_wq || !system_freezable_wq ||
!system_nrt_freezable_wq);
return 0;
}
early_initcall(init_workqueues);