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41 #error Do not #include this file directly. #include <obd.h> instead
44 #include "../obd_support.h"
47 #include <linux/list.h>
48 #include <linux/sched.h> /* for struct task_struct, for current.h */
49 #include <linux/mount.h>
51 #include "../lustre_intent.h"
55 unsigned int ia_attr_flags;
58 #define CLIENT_OBD_LIST_LOCK_DEBUG 1
64 struct task_struct *task;
69 static inline void __client_obd_list_lock(client_obd_lock_t *lock,
70 const char *func, int line)
72 unsigned long cur = jiffies;
75 if (spin_trylock(&lock->lock)) {
76 LASSERT(lock->task == NULL);
84 if (time_before(cur + 5 * HZ, jiffies) &&
85 time_before(lock->time + 5 * HZ, jiffies)) {
86 struct task_struct *task = lock->task;
91 LCONSOLE_WARN("%s:%d: lock %p was acquired by <%s:%d:%s:%d> for %lu seconds.\n",
92 current->comm, current->pid,
93 lock, task->comm, task->pid,
94 lock->func, lock->line,
95 (jiffies - lock->time) / HZ);
96 LCONSOLE_WARN("====== for current process =====\n");
98 LCONSOLE_WARN("====== end =======\n");
99 set_current_state(TASK_UNINTERRUPTIBLE);
100 schedule_timeout(1000 * HZ);
106 #define client_obd_list_lock(lock) \
107 __client_obd_list_lock(lock, __func__, __LINE__)
109 static inline void client_obd_list_unlock(client_obd_lock_t *lock)
111 LASSERT(lock->task != NULL);
113 lock->time = jiffies;
114 spin_unlock(&lock->lock);
117 static inline void client_obd_list_lock_init(client_obd_lock_t *lock)
119 spin_lock_init(&lock->lock);
122 static inline void client_obd_list_lock_done(client_obd_lock_t *lock)
125 #endif /* __LINUX_OBD_H */