recalc_sigpending_tsk fixes

[sfrench/cifs-2.6.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3d95c480f58df881a142cd4221b9d4ec0c382b94..d58e74b98367c756e488b1ce3cf88903e078b7e0 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -88,6 +88,7 @@ struct sched_param {
 
 struct exec_domain;
 struct futex_pi_state;
+struct bio;
 
 /*
  * List of flags we want to share for kernel threads,
@@ -391,6 +392,7 @@ struct sighand_struct {
        atomic_t                count;
        struct k_sigaction      action[_NSIG];
        spinlock_t              siglock;
+       struct list_head        signalfd_list;
 };
 
 struct pacct_struct {
@@ -469,6 +471,7 @@ struct signal_struct {
        cputime_t utime, stime, cutime, cstime;
        unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
        unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
+       unsigned long inblock, oublock, cinblock, coublock;
 
        /*
         * Cumulative ns of scheduled CPU time for dead threads in the
@@ -817,7 +820,7 @@ struct prio_array;
 
 struct task_struct {
        volatile long state;    /* -1 unrunnable, 0 runnable, >0 stopped */
-       struct thread_info *thread_info;
+       void *stack;
        atomic_t usage;
        unsigned int flags;     /* per process flags, defined below */
        unsigned int ptrace;
@@ -1014,6 +1017,9 @@ struct task_struct {
 /* journalling filesystem info */
        void *journal_info;
 
+/* stacked block device info */
+       struct bio *bio_list, **bio_tail;
+
 /* VM state */
        struct reclaim_state *reclaim_state;
 
@@ -1176,6 +1182,7 @@ static inline void put_task_struct(struct task_struct *t)
 #define PF_SPREAD_SLAB 0x02000000      /* Spread some slab caches over cpuset */
 #define PF_MEMPOLICY   0x10000000      /* Non-default NUMA mempolicy */
 #define PF_MUTEX_TESTER        0x20000000      /* Thread belongs to the rt mutex tester */
+#define PF_FREEZER_SKIP        0x40000000      /* Freezer should not count it as freezeable */
 
 /*
  * Only the _current_ task can read/write to tsk->flags, but other
@@ -1317,6 +1324,7 @@ extern int in_egroup_p(gid_t);
 
 extern void proc_caches_init(void);
 extern void flush_signals(struct task_struct *);
+extern void ignore_signals(struct task_struct *);
 extern void flush_signal_handlers(struct task_struct *, int force_default);
 extern int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info);
 
@@ -1512,8 +1520,8 @@ static inline void unlock_task_sighand(struct task_struct *tsk,
 
 #ifndef __HAVE_THREAD_FUNCTIONS
 
-#define task_thread_info(task) (task)->thread_info
-#define task_stack_page(task) ((void*)((task)->thread_info))
+#define task_thread_info(task) ((struct thread_info *)(task)->stack)
+#define task_stack_page(task)  ((task)->stack)
 
 static inline void setup_thread_stack(struct task_struct *p, struct task_struct *org)
 {
@@ -1523,7 +1531,7 @@ static inline void setup_thread_stack(struct task_struct *p, struct task_struct
 
 static inline unsigned long *end_of_stack(struct task_struct *p)
 {
-       return (unsigned long *)(p->thread_info + 1);
+       return (unsigned long *)(task_thread_info(p) + 1);
 }
 
 #endif
@@ -1608,11 +1616,13 @@ static inline int lock_need_resched(spinlock_t *lock)
        return 0;
 }
 
-/* Reevaluate whether the task has signals pending delivery.
-   This is required every time the blocked sigset_t changes.
-   callers must hold sighand->siglock.  */
-
-extern FASTCALL(void recalc_sigpending_tsk(struct task_struct *t));
+/*
+ * Reevaluate whether the task has signals pending delivery.
+ * Wake the task if so.
+ * This is required every time the blocked sigset_t changes.
+ * callers must hold sighand->siglock.
+ */
+extern void recalc_sigpending_and_wake(struct task_struct *t);
 extern void recalc_sigpending(void);
 
 extern void signal_wake_up(struct task_struct *t, int resume_stopped);