aboutsummaryrefslogtreecommitdiff
path: root/net/sunrpc
diff options
context:
space:
mode:
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/cache.c17
-rw-r--r--net/sunrpc/sched.c11
2 files changed, 15 insertions, 13 deletions
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index dcaa0c4453f..0acccfeeb28 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -26,6 +26,7 @@
#include <linux/proc_fs.h>
#include <linux/net.h>
#include <linux/workqueue.h>
+#include <linux/mutex.h>
#include <asm/ioctls.h>
#include <linux/sunrpc/types.h>
#include <linux/sunrpc/cache.h>
@@ -532,7 +533,7 @@ void cache_clean_deferred(void *owner)
*/
static DEFINE_SPINLOCK(queue_lock);
-static DECLARE_MUTEX(queue_io_sem);
+static DEFINE_MUTEX(queue_io_mutex);
struct cache_queue {
struct list_head list;
@@ -561,7 +562,7 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
if (count == 0)
return 0;
- down(&queue_io_sem); /* protect against multiple concurrent
+ mutex_lock(&queue_io_mutex); /* protect against multiple concurrent
* readers on this file */
again:
spin_lock(&queue_lock);
@@ -574,7 +575,7 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
}
if (rp->q.list.next == &cd->queue) {
spin_unlock(&queue_lock);
- up(&queue_io_sem);
+ mutex_unlock(&queue_io_mutex);
BUG_ON(rp->offset);
return 0;
}
@@ -621,11 +622,11 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
}
if (err == -EAGAIN)
goto again;
- up(&queue_io_sem);
+ mutex_unlock(&queue_io_mutex);
return err ? err : count;
}
-static char write_buf[8192]; /* protected by queue_io_sem */
+static char write_buf[8192]; /* protected by queue_io_mutex */
static ssize_t
cache_write(struct file *filp, const char __user *buf, size_t count,
@@ -639,10 +640,10 @@ cache_write(struct file *filp, const char __user *buf, size_t count,
if (count >= sizeof(write_buf))
return -EINVAL;
- down(&queue_io_sem);
+ mutex_lock(&queue_io_mutex);
if (copy_from_user(write_buf, buf, count)) {
- up(&queue_io_sem);
+ mutex_unlock(&queue_io_mutex);
return -EFAULT;
}
write_buf[count] = '\0';
@@ -651,7 +652,7 @@ cache_write(struct file *filp, const char __user *buf, size_t count,
else
err = -EINVAL;
- up(&queue_io_sem);
+ mutex_unlock(&queue_io_mutex);
return err ? err : count;
}
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index e838d042f7f..dff07795bd1 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -18,6 +18,7 @@
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/xprt.h>
@@ -62,7 +63,7 @@ static LIST_HEAD(all_tasks);
/*
* rpciod-related stuff
*/
-static DECLARE_MUTEX(rpciod_sema);
+static DEFINE_MUTEX(rpciod_mutex);
static unsigned int rpciod_users;
static struct workqueue_struct *rpciod_workqueue;
@@ -1047,7 +1048,7 @@ rpciod_up(void)
struct workqueue_struct *wq;
int error = 0;
- down(&rpciod_sema);
+ mutex_lock(&rpciod_mutex);
dprintk("rpciod_up: users %d\n", rpciod_users);
rpciod_users++;
if (rpciod_workqueue)
@@ -1070,14 +1071,14 @@ rpciod_up(void)
rpciod_workqueue = wq;
error = 0;
out:
- up(&rpciod_sema);
+ mutex_unlock(&rpciod_mutex);
return error;
}
void
rpciod_down(void)
{
- down(&rpciod_sema);
+ mutex_lock(&rpciod_mutex);
dprintk("rpciod_down sema %d\n", rpciod_users);
if (rpciod_users) {
if (--rpciod_users)
@@ -1094,7 +1095,7 @@ rpciod_down(void)
destroy_workqueue(rpciod_workqueue);
rpciod_workqueue = NULL;
out:
- up(&rpciod_sema);
+ mutex_unlock(&rpciod_mutex);
}
#ifdef RPC_DEBUG