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Viewing changes to module/spl/spl-thread.c

  • Committer: Package Import Robot
  • Author(s): Liang Guo
  • Date: 2014-07-31 15:16:53 UTC
  • Revision ID: package-import@ubuntu.com-20140731151653-tgao12alohj26jcs
Tags: upstream-0.6.3+git20140731
Import upstream version 0.6.3+git20140731

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Lines of Context:
module/spl/spl-thread.c
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        tp->tp_state = state;
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        tp->tp_pri   = pri;
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        tsk = kthread_create(thread_generic_wrapper, (void *)tp,
 
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        tsk = spl_kthread_create(thread_generic_wrapper, (void *)tp,
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                             "%s", tp->tp_name);
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        if (IS_ERR(tsk)) {
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                SERROR("Failed to create thread: %ld\n", PTR_ERR(tsk));
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        SRETURN((kthread_t *)tsk);
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}
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EXPORT_SYMBOL(__thread_create);
 
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/*
 
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 * spl_kthread_create - Wrapper providing pre-3.13 semantics for
 
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 * kthread_create() in which it is not killable and less likely
 
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 * to return -ENOMEM.
 
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 */
 
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struct task_struct *
 
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spl_kthread_create(int (*func)(void *), void *data, const char namefmt[], ...)
 
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{
 
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        struct task_struct *tsk;
 
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        va_list args;
 
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        char name[TASK_COMM_LEN];
 
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        va_start(args, namefmt);
 
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        vsnprintf(name, sizeof(name), namefmt, args);
 
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        va_end(args);
 
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        do {
 
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                tsk = kthread_create(func, data, "%s", name);
 
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                if (IS_ERR(tsk)) {
 
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                        if (signal_pending(current)) {
 
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                                clear_thread_flag(TIF_SIGPENDING);
 
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                                continue;
 
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                        }
 
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                        if (PTR_ERR(tsk) == -ENOMEM)
 
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                                continue;
 
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                        return (NULL);
 
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                } else
 
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                        return (tsk);
 
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        } while (1);
 
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}
 
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EXPORT_SYMBOL(spl_kthread_create);