ipc: close open coded spin lock calls
Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/ipc/msg.c b/ipc/msg.c
index 996feb8..7a3d6aa 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -216,7 +216,7 @@
INIT_LIST_HEAD(&msq->q_receivers);
INIT_LIST_HEAD(&msq->q_senders);
- spin_unlock(&msq->q_perm.lock);
+ ipc_unlock_object(&msq->q_perm);
rcu_read_unlock();
return msq->q_perm.id;
diff --git a/ipc/sem.c b/ipc/sem.c
index 70480a3..92ec6c6 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -246,7 +246,7 @@
* their critical section while the array lock is held.
*/
lock_array:
- spin_lock(&sma->sem_perm.lock);
+ ipc_lock_object(&sma->sem_perm);
for (i = 0; i < sma->sem_nsems; i++) {
struct sem *sem = sma->sem_base + i;
spin_unlock_wait(&sem->lock);
@@ -259,7 +259,7 @@
static inline void sem_unlock(struct sem_array *sma, int locknum)
{
if (locknum == -1) {
- spin_unlock(&sma->sem_perm.lock);
+ ipc_unlock_object(&sma->sem_perm);
} else {
struct sem *sem = sma->sem_base + locknum;
spin_unlock(&sem->lock);
@@ -872,7 +872,7 @@
int i;
/* Free the existing undo structures for this semaphore set. */
- assert_spin_locked(&sma->sem_perm.lock);
+ ipc_assert_locked_object(&sma->sem_perm);
list_for_each_entry_safe(un, tu, &sma->list_id, list_id) {
list_del(&un->list_id);
spin_lock(&un->ulp->lock);
@@ -1070,7 +1070,7 @@
curr = &sma->sem_base[semnum];
- assert_spin_locked(&sma->sem_perm.lock);
+ ipc_assert_locked_object(&sma->sem_perm);
list_for_each_entry(un, &sma->list_id, list_id)
un->semadj[semnum] = 0;
@@ -1199,7 +1199,7 @@
for (i = 0; i < nsems; i++)
sma->sem_base[i].semval = sem_io[i];
- assert_spin_locked(&sma->sem_perm.lock);
+ ipc_assert_locked_object(&sma->sem_perm);
list_for_each_entry(un, &sma->list_id, list_id) {
for (i = 0; i < nsems; i++)
un->semadj[i] = 0;
@@ -1496,7 +1496,7 @@
new->semid = semid;
assert_spin_locked(&ulp->lock);
list_add_rcu(&new->list_proc, &ulp->list_proc);
- assert_spin_locked(&sma->sem_perm.lock);
+ ipc_assert_locked_object(&sma->sem_perm);
list_add(&new->list_id, &sma->list_id);
un = new;
@@ -1833,7 +1833,7 @@
}
/* remove un from the linked lists */
- assert_spin_locked(&sma->sem_perm.lock);
+ ipc_assert_locked_object(&sma->sem_perm);
list_del(&un->list_id);
spin_lock(&ulp->lock);
diff --git a/ipc/shm.c b/ipc/shm.c
index bd2b14e..e7d5107 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -141,7 +141,7 @@
static inline void shm_lock_by_ptr(struct shmid_kernel *ipcp)
{
rcu_read_lock();
- spin_lock(&ipcp->shm_perm.lock);
+ ipc_lock_object(&ipcp->shm_perm);
}
static inline struct shmid_kernel *shm_lock_check(struct ipc_namespace *ns,
@@ -545,7 +545,7 @@
ns->shm_tot += numpages;
error = shp->shm_perm.id;
- spin_unlock(&shp->shm_perm.lock);
+ ipc_unlock_object(&shp->shm_perm);
rcu_read_unlock();
return error;
diff --git a/ipc/util.h b/ipc/util.h
index da65e8a..b6a6a88 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -177,12 +177,12 @@
static inline void ipc_lock_by_ptr(struct kern_ipc_perm *perm)
{
rcu_read_lock();
- spin_lock(&perm->lock);
+ ipc_lock_object(perm);
}
static inline void ipc_unlock(struct kern_ipc_perm *perm)
{
- spin_unlock(&perm->lock);
+ ipc_unlock_object(perm);
rcu_read_unlock();
}