From 4a3e2f711a00a1feb72ae12fdc749da10179d185 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Mon, 20 Mar 2006 22:33:17 -0800 Subject: [NET] sem2mutex: net/ Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Arjan van de Ven Signed-off-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: David S. Miller --- net/sunrpc/cache.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'net/sunrpc/cache.c') 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 #include #include +#include #include #include #include @@ -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; } -- cgit v1.2.3