[PATCH v1] Device-mapper(LVM): Convert to use time_after_eq macro

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Use time_after_eq macro instead of opening it for readability.

Signed-off-by: Chen Yufan <chenyufan@xxxxxxxx>
---
 drivers/md/dm-writecache.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 7ce8847b3..548d4d37e 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -16,6 +16,7 @@
 #include <linux/pfn_t.h>
 #include <linux/libnvdimm.h>
 #include <linux/delay.h>
+#include <linux/jiffies.h>
 #include "dm-io-tracker.h"
 
 #define DM_MSG_PREFIX "writecache"
@@ -1994,8 +1995,8 @@ static void writecache_writeback(struct work_struct *work)
 	while (!list_empty(&wc->lru) &&
 	       (wc->writeback_all ||
 		wc->freelist_size + wc->writeback_size <= wc->freelist_low_watermark ||
-		(jiffies - container_of(wc->lru.prev, struct wc_entry, lru)->age >=
-		 wc->max_age - wc->max_age / MAX_AGE_DIV))) {
+		(time_after_eq(jiffies, container_of(wc->lru.prev, struct wc_entry, lru)->age +
+		 (wc->max_age - wc->max_age / MAX_AGE_DIV))))) {
 
 		n_walked++;
 		if (unlikely(n_walked > WRITEBACK_LATENCY) &&
-- 
2.39.0





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