Messages in this thread Patch in this message | | | Date | Tue, 30 Oct 2012 22:00:09 +0300 | From | Sergey Senozhatsky <> | Subject | [PATCH 2/2] zram: handle mem suffixes in disk size zram_sysfs parameter |
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zram: handle mem suffixes in disk size zram_sysfs parameter
Use memparse() to allow mem suffixes in disksize sysfs number. Examples: echo 256K > /sys/block/zram0/disksize echo 512M > /sys/block/zram0/disksize echo 1G > /sys/block/zram0/disksize
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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drivers/staging/zram/zram_sysfs.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c index edb0ed4..de1eacf 100644 --- a/drivers/staging/zram/zram_sysfs.c +++ b/drivers/staging/zram/zram_sysfs.c @@ -15,6 +15,7 @@ #include <linux/device.h> #include <linux/genhd.h> #include <linux/mm.h> +#include <linux/kernel.h> #include "zram_drv.h" @@ -54,13 +55,12 @@ static ssize_t disksize_show(struct device *dev, static ssize_t disksize_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { - int ret; u64 disksize; struct zram *zram = dev_to_zram(dev); - ret = kstrtoull(buf, 10, &disksize); - if (ret) - return ret; + disksize = memparse(buf, NULL); + if (!disksize) + return -EINVAL; down_write(&zram->init_lock); if (zram->init_done) {
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