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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;
72 #ifdef CLIENT_OBD_LIST_LOCK_DEBUG
73 static inline void __client_obd_list_lock(client_obd_lock_t *lock,
77 unsigned long cur = jiffies;
79 if (spin_trylock(&lock->lock)) {
80 LASSERT(lock->task == NULL);
88 if ((jiffies - cur > 5 * CFS_HZ) &&
89 (jiffies - lock->time > 5 * CFS_HZ)) {
90 LCONSOLE_WARN("LOCK UP! the lock %p was acquired"
91 " by <%s:%d:%s:%d> %lu time, I'm %s:%d\n",
92 lock, lock->task->comm, lock->task->pid,
93 lock->func, lock->line,
94 (jiffies - lock->time),
95 current->comm, current->pid);
96 LCONSOLE_WARN("====== for process holding the "
98 libcfs_debug_dumpstack(lock->task);
99 LCONSOLE_WARN("====== for current process =====\n");
100 libcfs_debug_dumpstack(NULL);
101 LCONSOLE_WARN("====== end =======\n");
102 cfs_pause(1000 * CFS_HZ);
107 #define client_obd_list_lock(lock) \
108 __client_obd_list_lock(lock, __FUNCTION__, __LINE__)
110 static inline void client_obd_list_unlock(client_obd_lock_t *lock)
112 LASSERT(lock->task != NULL);
114 lock->time = jiffies;
115 spin_unlock(&lock->lock);
118 #else /* ifdef CLIENT_OBD_LIST_LOCK_DEBUG */
119 static inline void client_obd_list_lock(client_obd_lock_t *lock)
121 spin_lock(&lock->lock);
124 static inline void client_obd_list_unlock(client_obd_lock_t *lock)
126 spin_unlock(&lock->lock);
129 #endif /* ifdef CLIENT_OBD_LIST_LOCK_DEBUG */
131 static inline void client_obd_list_lock_init(client_obd_lock_t *lock)
133 spin_lock_init(&lock->lock);
136 static inline void client_obd_list_lock_done(client_obd_lock_t *lock)
139 #if defined(__KERNEL__) && !defined(HAVE_ADLER)
140 /* zlib_adler() is an inline function defined in zutil.h */
143 #endif /* __LINUX_OBD_H */