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41 #error Do not #include this file directly. #include <obd.h> instead
44 #include <obd_support.h>
47 # include <linux/fs.h>
48 # include <linux/list.h>
49 # include <linux/sched.h> /* for struct task_struct, for current.h */
50 # include <linux/proc_fs.h>
51 # include <linux/mount.h>
52 # include <linux/lustre_intent.h>
57 unsigned int ia_attr_flags;
61 #define CLIENT_OBD_LIST_LOCK_DEBUG 1
67 #ifdef CLIENT_OBD_LIST_LOCK_DEBUG
69 struct task_struct *task;
75 #ifdef CLIENT_OBD_LIST_LOCK_DEBUG
76 static inline void __client_obd_list_lock(client_obd_lock_t *lock,
77 const char *func, int line)
79 unsigned long cur = jiffies;
81 if (spin_trylock(&lock->lock)) {
82 LASSERT(lock->task == NULL);
90 if ((jiffies - cur > 5 * HZ) &&
91 (jiffies - lock->time > 5 * HZ)) {
92 struct task_struct *task = lock->task;
97 LCONSOLE_WARN("%s:%d: lock %p was acquired"
98 " by <%s:%d:%s:%d> for %lu seconds.\n",
99 current->comm, current->pid,
100 lock, task->comm, task->pid,
101 lock->func, lock->line,
102 (jiffies - lock->time) / HZ);
103 LCONSOLE_WARN("====== for process holding the "
105 libcfs_debug_dumpstack(task);
106 LCONSOLE_WARN("====== for current process =====\n");
107 libcfs_debug_dumpstack(NULL);
108 LCONSOLE_WARN("====== end =======\n");
109 cfs_pause(1000 * HZ);
115 #define client_obd_list_lock(lock) \
116 __client_obd_list_lock(lock, __FUNCTION__, __LINE__)
118 static inline void client_obd_list_unlock(client_obd_lock_t *lock)
120 LASSERT(lock->task != NULL);
122 lock->time = jiffies;
123 spin_unlock(&lock->lock);
126 #else /* ifdef CLIENT_OBD_LIST_LOCK_DEBUG */
127 static inline void client_obd_list_lock(client_obd_lock_t *lock)
129 spin_lock(&lock->lock);
132 static inline void client_obd_list_unlock(client_obd_lock_t *lock)
134 spin_unlock(&lock->lock);
137 #endif /* ifdef CLIENT_OBD_LIST_LOCK_DEBUG */
139 static inline void client_obd_list_lock_init(client_obd_lock_t *lock)
141 spin_lock_init(&lock->lock);
144 static inline void client_obd_list_lock_done(client_obd_lock_t *lock)
147 #if defined(__KERNEL__) && !defined(HAVE_ADLER)
148 /* zlib_adler() is an inline function defined in zutil.h */
151 #endif /* __LINUX_OBD_H */