Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cce1a1656c9a3fdc6c6c1029b576e4ab6ecaac37
Commit:     cce1a1656c9a3fdc6c6c1029b576e4ab6ecaac37
Parent:     b1f4ec172f75bc2f5cc4f4be69b5587660a955d2
Author:     Oleg Nesterov <[EMAIL PROTECTED]>
AuthorDate: Wed May 9 02:34:13 2007 -0700
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed May 9 12:30:52 2007 -0700

    workqueue: introduce workqueue_struct->singlethread
    
    Add explicit workqueue_struct->singlethread flag.  This lessens .text a
    little, but most importantly this allows us to manipulate wq->list without
    changine the meaning of is_single_threaded().
    
    Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>
    Cc: Ingo Molnar <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
 kernel/workqueue.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 6308a4b..32b1091 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -58,8 +58,9 @@ struct cpu_workqueue_struct {
  */
 struct workqueue_struct {
        struct cpu_workqueue_struct *cpu_wq;
+       struct list_head list;
        const char *name;
-       struct list_head list;  /* Empty if single thread */
+       int singlethread;
        int freezeable;         /* Freeze threads during suspend */
 };
 
@@ -76,7 +77,7 @@ static cpumask_t cpu_populated_map __read_mostly;
 /* If it's single threaded, it isn't in the list of workqueues. */
 static inline int is_single_threaded(struct workqueue_struct *wq)
 {
-       return list_empty(&wq->list);
+       return wq->singlethread;
 }
 
 static const cpumask_t *wq_cpu_map(struct workqueue_struct *wq)
@@ -401,7 +402,7 @@ static void flush_cpu_workqueue(struct cpu_workqueue_struct 
*cwq)
 void fastcall flush_workqueue(struct workqueue_struct *wq)
 {
        const cpumask_t *cpu_map = wq_cpu_map(wq);
-       int cpu
+       int cpu;
 
        might_sleep();
        for_each_cpu_mask(cpu, *cpu_map)
@@ -694,10 +695,11 @@ struct workqueue_struct *__create_workqueue(const char 
*name,
        }
 
        wq->name = name;
+       wq->singlethread = singlethread;
        wq->freezeable = freezeable;
+       INIT_LIST_HEAD(&wq->list);
 
        if (singlethread) {
-               INIT_LIST_HEAD(&wq->list);
                cwq = init_cpu_workqueue(wq, singlethread_cpu);
                err = create_workqueue_thread(cwq, singlethread_cpu);
        } else {
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to