ext4: use time_is_before_jiffies() instead of open coding it

Use the helper function time_is_{before,after}_jiffies() to improve
code readability.

Signed-off-by: Wang Qing <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Theodore Ts'o <[email protected]>

Author: Wang Qing

fs/ext4/resize.c

@@ -14,6 +14,7 @@
 
 #include <linux/errno.h>
 #include <linux/slab.h>
+#include <linux/jiffies.h>
 
 #include "ext4_jbd2.h"
 
@@ -2100,7 +2101,7 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
 	 */
 	while (ext4_setup_next_flex_gd(sb, flex_gd, n_blocks_count,
 					      flexbg_size)) {
-		if (jiffies - last_update_time > HZ * 10) {
+		if (time_is_before_jiffies(last_update_time + HZ * 10)) {
 			if (last_update_time)
 				ext4_msg(sb, KERN_INFO,
 					 "resized to %llu blocks",