kfifo: move out spinlock
Move the pointer to the spinlock out of struct kfifo. Most users in
tree do not actually use a spinlock, so the few exceptions now have to
call kfifo_{get,put}_locked, which takes an extra argument to a
spinlock.
Signed-off-by: Stefani Seibold <stefani@seibold.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c
index b1b5e51..db1b41c 100644
--- a/drivers/scsi/libsrp.c
+++ b/drivers/scsi/libsrp.c
@@ -58,8 +58,7 @@
goto free_pool;
spin_lock_init(&q->lock);
- kfifo_init(&q->queue, (void *) q->pool, max * sizeof(void *),
- &q->lock);
+ kfifo_init(&q->queue, (void *) q->pool, max * sizeof(void *));
for (i = 0, iue = q->items; i < max; i++) {
__kfifo_put(&q->queue, (void *) &iue, sizeof(void *));
@@ -164,7 +163,8 @@
{
struct iu_entry *iue = NULL;
- kfifo_get(&target->iu_queue.queue, (void *) &iue, sizeof(void *));
+ kfifo_get_locked(&target->iu_queue.queue, (void *) &iue,
+ sizeof(void *), &target->iu_queue.lock);
if (!iue)
return iue;
iue->target = target;
@@ -176,7 +176,8 @@
void srp_iu_put(struct iu_entry *iue)
{
- kfifo_put(&iue->target->iu_queue.queue, (void *) &iue, sizeof(void *));
+ kfifo_put_locked(&iue->target->iu_queue.queue, (void *) &iue,
+ sizeof(void *), &iue->target->iu_queue.lock);
}
EXPORT_SYMBOL_GPL(srp_iu_put);