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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>
This commit is contained in:
Jiang Liu 2013-06-07 00:07:29 +08:00 committed by Greg Kroah-Hartman
parent 80de574dca
commit 0f0e3ba346
2 changed files with 1 additions and 8 deletions
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7
drivers/staging/zram/zram_drv.c
View File

@ -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 @@ static void destroy_device(struct zram *zram)
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;

2
drivers/staging/zram/zram_drv.h
View File

@ -110,8 +110,6 @@ struct zram {
struct zram_stats stats;
};
extern struct zram *zram_devices;
unsigned int zram_get_num_devices(void);
#ifdef CONFIG_SYSFS
extern struct attribute_group zram_disk_attr_group;
#endif