block, scheduler: convert xxx_var_store to void

The last parameter "count" never be used in xxx_var_store,
convert these functions to void.

Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 4 insertions, 5 deletions

diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index 1b964a387afe..c8dfddc4ba8b 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -457,13 +457,12 @@ deadline_var_show(int var, char *page)
         return sprintf(page, "%d\n", var);
 }
 
-static ssize_t
-deadline_var_store(int *var, const char *page, size_t count)
+static void
+deadline_var_store(int *var, const char *page)
 {
         char *p = (char *) page;
 
         *var = simple_strtol(p, &p, 10);
-        return count;
 }
 
 #define SHOW_FUNCTION(__FUNC, __VAR, __CONV)                            \
@@ -487,7 +486,7 @@ static ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count)
 {                                                                       \
         struct deadline_data *dd = e->elevator_data;                    \
         int __data;                                                     \
-        int ret = deadline_var_store(&__data, (page), count);           \
+        deadline_var_store(&__data, (page));                            \
         if (__data < (MIN))                                             \
                 __data = (MIN);                                         \
         else if (__data > (MAX))                                        \
@@ -496,7 +495,7 @@ static ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count)
                 *(__PTR) = msecs_to_jiffies(__data);                    \
         else                                                            \
                 *(__PTR) = __data;                                      \
-        return ret;                                                     \
+        return count;                                                   \
 }
 STORE_FUNCTION(deadline_read_expire_store, &dd->fifo_expire[READ], 0, INT_MAX, 1);
 STORE_FUNCTION(deadline_write_expire_store, &dd->fifo_expire[WRITE], 0, INT_MAX, 1);