diff options
| author | Jiang Liu <liuj97@gmail.com> | 2013-06-07 00:07:28 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-06 12:12:20 -0700 |
| commit | 80de574dca050b734d8413a98a983fba3d06240b (patch) | |
| tree | da3f4242b20ef3e6a5e24995e8d1a95bd219b78f /drivers/staging/zram | |
| parent | 5863e10b441e7ea4b492f930f1be180a97d026f3 (diff) | |
zram: simplify and optimize dev_to_zram()
Simplify and optimize dev_to_zram() without walking the zram_devices
array.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/zram')
| -rw-r--r-- | drivers/staging/zram/zram_sysfs.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c index dc76a3dba1b8..e239d9452726 100644 --- a/drivers/staging/zram/zram_sysfs.c +++ b/drivers/staging/zram/zram_sysfs.c @@ -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, |