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staging: lustre: remove unused cfs_ waitqueue wrappers

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These weren't ever used, so just remove them.

Cc: Peng Tao <tao.peng@emc.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2013-08-04 08:20:58 +08:00
parent 6960736c01
commit 8db0fc8931
1 changed files with 0 additions and 44 deletions
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44
drivers/staging/lustre/include/linux/libcfs/linux/linux-prim.h
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@ -112,48 +112,4 @@ typedef struct task_struct task_t;
*/
typedef struct timer_list timer_list_t;
#ifndef wait_event_timeout /* Only for RHEL3 2.4.21 kernel */
#define __wait_event_timeout(wq, condition, timeout, ret) \
do { \
int __ret = 0; \
if (!(condition)) { \
wait_queue_t __wait; \
unsigned long expire; \
\
init_waitqueue_entry(&__wait, current); \
expire = timeout + jiffies; \
add_wait_queue(&wq, &__wait); \
for (;;) { \
set_current_state(TASK_UNINTERRUPTIBLE); \
if (condition) \
break; \
if (jiffies > expire) { \
ret = jiffies - expire; \
break; \
} \
schedule_timeout(timeout); \
} \
current->state = TASK_RUNNING; \
remove_wait_queue(&wq, &__wait); \
} \
} while (0)
/*
retval == 0; condition met; we're good.
retval > 0; timed out.
*/
#define cfs_waitq_wait_event_timeout(wq, condition, timeout, ret) \
do { \
ret = 0; \
if (!(condition)) \
__wait_event_timeout(wq, condition, timeout, ret); \
} while (0)
#else
#define cfs_waitq_wait_event_timeout(wq, condition, timeout, ret) \
ret = wait_event_timeout(wq, condition, timeout)
#endif
#define cfs_waitq_wait_event_interruptible_timeout(wq, c, timeout, ret) \
ret = wait_event_interruptible_timeout(wq, c, timeout)
#endif