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14 * in the LICENSE file that accompanied this code).
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21 * CA 95054 USA or visit www.sun.com if you need additional information or
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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;
60 #define CLIENT_OBD_LIST_LOCK_DEBUG 1
64 #ifdef CLIENT_OBD_LIST_LOCK_DEBUG
66 struct task_struct *task;
73 #ifdef CLIENT_OBD_LIST_LOCK_DEBUG
74 static inline void __client_obd_list_lock(client_obd_lock_t *lock,
78 unsigned long cur = jiffies;
80 if (cfs_spin_trylock(&lock->lock)) {
81 LASSERT(lock->task == NULL);
89 if ((jiffies - cur > 5 * CFS_HZ) &&
90 (jiffies - lock->time > 5 * CFS_HZ)) {
91 LCONSOLE_WARN("LOCK UP! the lock %p was acquired"
92 " by <%s:%d:%s:%d> %lu time, I'm %s:%d\n",
93 lock, lock->task->comm, lock->task->pid,
94 lock->func, lock->line,
95 (jiffies - lock->time),
96 current->comm, current->pid);
97 LCONSOLE_WARN("====== for process holding the "
99 libcfs_debug_dumpstack(lock->task);
100 LCONSOLE_WARN("====== for current process =====\n");
101 libcfs_debug_dumpstack(NULL);
102 LCONSOLE_WARN("====== end =======\n");
103 cfs_pause(1000 * CFS_HZ);
108 #define client_obd_list_lock(lock) \
109 __client_obd_list_lock(lock, __FUNCTION__, __LINE__)
111 static inline void client_obd_list_unlock(client_obd_lock_t *lock)
113 LASSERT(lock->task != NULL);
115 lock->time = jiffies;
116 cfs_spin_unlock(&lock->lock);
119 #else /* ifdef CLIENT_OBD_LIST_LOCK_DEBUG */
120 static inline void client_obd_list_lock(client_obd_lock_t *lock)
122 cfs_spin_lock(&lock->lock);
125 static inline void client_obd_list_unlock(client_obd_lock_t *lock)
127 cfs_spin_unlock(&lock->lock);
130 #endif /* ifdef CLIENT_OBD_LIST_LOCK_DEBUG */
132 static inline void client_obd_list_lock_init(client_obd_lock_t *lock)
134 cfs_spin_lock_init(&lock->lock);
137 static inline void client_obd_list_lock_done(client_obd_lock_t *lock)
140 #if defined(__KERNEL__) && !defined(HAVE_ADLER)
141 /* zlib_adler() is an inline function defined in zutil.h */
144 #endif /* __LINUX_OBD_H */