[PATCH 07/10] block: convert bfq_var_show() to sysfs_emit()

[Jackie Liu <liu.yun@linux.dev>]

From: Jackie Liu <liuyun01@kylinos.cn>

Use sysfs_emit() instead of sprintf() in bfq_var_show(), which is
the common helper used by all BFQ sysfs show functions.

Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
---
 block/bfq-iosched.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 141c602d5e85..4123f42faf39 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -7379,7 +7379,7 @@ static int __init bfq_slab_setup(void)
 
 static ssize_t bfq_var_show(unsigned int var, char *page)
 {
-	return sprintf(page, "%u\n", var);
+	return sysfs_emit(page, "%u\n", var);
 }
 
 static int bfq_var_store(unsigned long *var, const char *page)
-- 
2.51.1