zram: kill unused zram_get_num_devices()
Now there's no caller of zram_get_num_devices(), so kill it.
And change zram_devices to static because it's only used in zram_drv.c.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index 9f097ce..c138a89 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -37,7 +37,7 @@
/* Globals */
static int zram_major;
-struct zram *zram_devices;
+static struct zram *zram_devices;
/* Module params (documentation at end) */
static unsigned int num_devices = 1;
@@ -679,11 +679,6 @@
blk_cleanup_queue(zram->queue);
}
-unsigned int zram_get_num_devices(void)
-{
- return num_devices;
-}
-
static int __init zram_init(void)
{
int ret, dev_id;