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Commit 80de574d authored by Jiang Liu's avatar Jiang Liu Committed by Greg Kroah-Hartman
Browse files

zram: simplify and optimize dev_to_zram() 



Simplify and optimize dev_to_zram() without walking the zram_devices
array.

Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5863e10b

drivers/staging/zram/zram_sysfs.c

+2 −11
Original line number Diff line number Diff line
@@ -30,18 +30,9 @@ static u64 zram_stat64_read(struct zram *zram, u64 *v) 
	return val;

}



static struct zram *dev_to_zram(struct device *dev)

static inline struct zram *dev_to_zram(struct device *dev)

{

	int i;

	struct zram *zram = NULL;



	for (i = 0; i < zram_get_num_devices(); i++) {

		zram = &zram_devices[i];

		if (disk_to_dev(zram->disk) == dev)

			break;

	}



	return zram;

	return (struct zram *)dev_to_disk(dev)->private_data;

}



static ssize_t disksize_show(struct device *dev,