[PKTGEN]: Removes thread_{un,}lock() macros.

As suggested by Arnaldo, this patch replaces the
thread_lock()/thread_unlock() by directly calls to
mutex_lock()/mutex_unlock().

This change makes the code a bit more readable, and the direct calls
are used everywhere in the kernel.

Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 21 insertions, 25 deletions

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 29a969ef2bb2..df4d531e27e0 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -180,10 +180,6 @@
 #define T_REMDEVALL   (1<<3)    /* Remove all devs */
 #define T_REMDEV      (1<<4)    /* Remove one dev */
 
-/* Locks */
-#define   thread_lock()        mutex_lock(&pktgen_thread_lock)
-#define   thread_unlock()      mutex_unlock(&pktgen_thread_lock)
-
 /* If lock -- can be removed after some work */
 #define   if_lock(t)           spin_lock(&(t->if_lock));
 #define   if_unlock(t)           spin_unlock(&(t->if_lock));
@@ -1472,18 +1468,18 @@ static ssize_t pktgen_thread_write(struct file *file,
                 if (copy_from_user(f, &user_buffer[i], len))
                         return -EFAULT;
                 i += len;
-                thread_lock();
+                mutex_lock(&pktgen_thread_lock);
                 pktgen_add_device(t, f);
-                thread_unlock();
+                mutex_unlock(&pktgen_thread_lock);
                 ret = count;
                 sprintf(pg_result, "OK: add_device=%s", f);
                 goto out;
         }
 
         if (!strcmp(name, "rem_device_all")) {
-                thread_lock();
+                mutex_lock(&pktgen_thread_lock);
                 t->control |= T_REMDEVALL;
-                thread_unlock();
+                mutex_unlock(&pktgen_thread_lock);
                 schedule_timeout_interruptible(msecs_to_jiffies(125));  /* Propagate thread->control  */
                 ret = count;
                 sprintf(pg_result, "OK: rem_device_all");
@@ -1492,9 +1488,9 @@ static ssize_t pktgen_thread_write(struct file *file,
 
         if (!strcmp(name, "max_before_softirq")) {
                 len = num_arg(&user_buffer[i], 10, &value);
-                thread_lock();
+                mutex_lock(&pktgen_thread_lock);
                 t->max_before_softirq = value;
-                thread_unlock();
+                mutex_unlock(&pktgen_thread_lock);
                 ret = count;
                 sprintf(pg_result, "OK: max_before_softirq=%lu", value);
                 goto out;
@@ -1550,7 +1546,7 @@ static int pktgen_mark_device(const char *ifname)
         int i = 0;
         int ret = 0;
 
-        thread_lock();
+        mutex_lock(&pktgen_thread_lock);
         PG_DEBUG(printk("pktgen: pktgen_mark_device marking %s for removal\n",
                         ifname));
 
@@ -1560,11 +1556,11 @@ static int pktgen_mark_device(const char *ifname)
                 if (pkt_dev == NULL)
                         break;  /* success */
 
-                thread_unlock();
+                mutex_unlock(&pktgen_thread_lock);
                 PG_DEBUG(printk("pktgen: pktgen_mark_device waiting for %s "
                                 "to disappear....\n", ifname));
                 schedule_timeout_interruptible(msecs_to_jiffies(msec_per_try));
-                thread_lock();
+                mutex_lock(&pktgen_thread_lock);
 
                 if (++i >= max_tries) {
                         printk("pktgen_mark_device: timed out after waiting "
@@ -1576,7 +1572,7 @@ static int pktgen_mark_device(const char *ifname)
 
         }
 
-        thread_unlock();
+        mutex_unlock(&pktgen_thread_lock);
 
         return ret;
 }
@@ -2459,12 +2455,12 @@ static void pktgen_stop_all_threads_ifs(void)
 
         PG_DEBUG(printk("pktgen: entering pktgen_stop_all_threads_ifs.\n"));
 
-        thread_lock();
+        mutex_lock(&pktgen_thread_lock);
 
         list_for_each_entry(t, &pktgen_threads, th_list)
                 t->control |= T_STOP;
 
-        thread_unlock();
+        mutex_unlock(&pktgen_thread_lock);
 }
 
 static int thread_is_running(struct pktgen_thread *t)
@@ -2505,7 +2501,7 @@ static int pktgen_wait_all_threads_run(void)
         struct pktgen_thread *t;
         int sig = 1;
 
-        thread_lock();
+        mutex_lock(&pktgen_thread_lock);
 
         list_for_each_entry(t, &pktgen_threads, th_list) {
                 sig = pktgen_wait_thread_run(t);
@@ -2517,7 +2513,7 @@ static int pktgen_wait_all_threads_run(void)
                 list_for_each_entry(t, &pktgen_threads, th_list)
                         t->control |= (T_STOP);
 
-        thread_unlock();
+        mutex_unlock(&pktgen_thread_lock);
         return sig;
 }
 
@@ -2527,12 +2523,12 @@ static void pktgen_run_all_threads(void)
 
         PG_DEBUG(printk("pktgen: entering pktgen_run_all_threads.\n"));
 
-        thread_lock();
+        mutex_lock(&pktgen_thread_lock);
 
         list_for_each_entry(t, &pktgen_threads, th_list)
                 t->control |= (T_RUN);
 
-        thread_unlock();
+        mutex_unlock(&pktgen_thread_lock);
 
         schedule_timeout_interruptible(msecs_to_jiffies(125));  /* Propagate thread->control  */
 
@@ -2692,11 +2688,11 @@ static void pktgen_rem_thread(struct pktgen_thread *t)
 
         remove_proc_entry(t->name, pg_proc_dir);
 
-        thread_lock();
+        mutex_lock(&pktgen_thread_lock);
 
         list_del(&t->th_list);
 
-        thread_unlock();
+        mutex_unlock(&pktgen_thread_lock);
 }
 
 static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
@@ -3070,15 +3066,15 @@ static struct pktgen_thread *__init pktgen_find_thread(const char *name)
 {
         struct pktgen_thread *t;
 
-        thread_lock();
+        mutex_lock(&pktgen_thread_lock);
 
         list_for_each_entry(t, &pktgen_threads, th_list)
                 if (strcmp(t->name, name) == 0) {
-                        thread_unlock();
+                        mutex_unlock(&pktgen_thread_lock);
                         return t;
                 }
 
-        thread_unlock();
+        mutex_unlock(&pktgen_thread_lock);
         return NULL;
 }