Messages in this thread Patch in this message | | | Date | Tue, 15 Nov 2022 09:12:08 +0800 (CST) | From | <> | Subject | [PATCH linux-next] zram: use sysfs emit() to instead of scnprintf() |
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From: guo ziliang <guo.ziliang@zte.com.cn> Replace the open-code with sysfs_emit() to simplify the code.)
Signed-off-by: guo ziliang <guo.ziliang@zte.com.cn> --- drivers/block/zram/zram_drv.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 171eccc..a0399ee 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -255,7 +255,7 @@ static ssize_t initstate_show(struct device *dev, val = init_done(zram); up_read(&zram->init_lock);
- return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); }
static ssize_t disksize_show(struct device *dev, @@ -263,7 +263,7 @@ static ssize_t disksize_show(struct device *dev, { struct zram *zram = dev_to_zram(dev);
- return scnprintf(buf, PAGE_SIZE, "%llu\n", zram->disksize); + return sysfs_emit(buf, "%llu\n", zram->disksize); }
static ssize_t mem_limit_store(struct device *dev, @@ -404,7 +404,7 @@ static ssize_t writeback_limit_enable_show(struct device *dev, spin_unlock(&zram->wb_limit_lock); up_read(&zram->init_lock);
- return scnprintf(buf, PAGE_SIZE, "%d\n", val); + return sysfs_emit(buf, "%d\n", val); }
static ssize_t writeback_limit_store(struct device *dev, @@ -439,7 +439,7 @@ static ssize_t writeback_limit_show(struct device *dev, spin_unlock(&zram->wb_limit_lock); up_read(&zram->init_lock);
- return scnprintf(buf, PAGE_SIZE, "%llu\n", val); + return sysfs_emit(buf, "%llu\n", val); }
static void reset_bdev(struct zram *zram) @@ -1021,6 +1021,7 @@ static ssize_t max_comp_streams_show(struct device *dev, struct device_attribute *attr, char *buf) { return scnprintf(buf, PAGE_SIZE, "%d\n", num_online_cpus()); + return sysfs_emit(buf, "%d\n", num_online_cpus()); }
static ssize_t max_comp_streams_store(struct device *dev, @@ -2504,7 +2505,7 @@ static ssize_t hot_add_show(struct class *class,
if (ret < 0) return ret; - return scnprintf(buf, PAGE_SIZE, "%d\n", ret); + return sysfs_emit(buf, "%d\n", ret); } static struct class_attribute class_attr_hot_add = __ATTR(hot_add, 0400, hot_add_show, NULL); -- 1.8.3.1
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