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Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

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* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (138 commits)
  [SCSI] libata: implement minimal transport template for ->eh_timed_out
  [SCSI] eliminate rphy allocation in favour of expander/end device allocation
  [SCSI] convert mptsas over to end_device/expander allocations
  [SCSI] allow displaying and setting of cache type via sysfs
  [SCSI] add scsi_mode_select to scsi_lib.c
  [SCSI] 3ware 9000 add big endian support
  [SCSI] qla2xxx: update MAINTAINERS
  [SCSI] scsi: move target_destroy call
  [SCSI] fusion - bump version
  [SCSI] fusion - expander hotplug suport in mptsas module
  [SCSI] fusion - exposing raid components in mptsas
  [SCSI] fusion - memory leak, and initializing fields
  [SCSI] fusion - exclosure misspelled
  [SCSI] fusion - cleanup mptsas event handling functions
  [SCSI] fusion - removing target_id/bus_id from the VirtDevice structure
  [SCSI] fusion - static fix's
  [SCSI] fusion - move some debug firmware event debug msgs to verbose level
  [SCSI] fusion - loginfo header update
  [SCSI] add scsi_reprobe_device
  [SCSI] megaraid_sas: fix extended timeout handling
  ...
This commit is contained in:
Linus Torvalds 2006-03-22 10:47:24 -08:00
commit 2152f85366
132 changed files with 35523 additions and 42706 deletions
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29
kernel/workqueue.c
View file

@ -27,6 +27,7 @@
#include <linux/cpu.h>
#include <linux/notifier.h>
#include <linux/kthread.h>
#include <linux/hardirq.h>
/*
* The per-CPU workqueue (if single thread, we always use the first
@ -476,6 +477,34 @@ void cancel_rearming_delayed_work(struct work_struct *work)
}
EXPORT_SYMBOL(cancel_rearming_delayed_work);
/**
* execute_in_process_context - reliably execute the routine with user context
* @fn: the function to execute
* @data: data to pass to the function
* @ew: guaranteed storage for the execute work structure (must
* be available when the work executes)
*
* Executes the function immediately if process context is available,
* otherwise schedules the function for delayed execution.
*
* Returns: 0 - function was executed
* 1 - function was scheduled for execution
*/
int execute_in_process_context(void (*fn)(void *data), void *data,
struct execute_work *ew)
{
if (!in_interrupt()) {
fn(data);
return 0;
}
INIT_WORK(&ew->work, fn, data);
schedule_work(&ew->work);
return 1;
}
EXPORT_SYMBOL_GPL(execute_in_process_context);
int keventd_up(void)
{
return keventd_wq != NULL;