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Commit f495339c authored by Asaf Vertz's avatar Asaf Vertz Committed by Mike Snitzer
Browse files

dm bufio: fix time comparison to use time_after_eq() 



To be future-proof and for better readability the time comparison
is modified to use time_after_eq() instead of plain, error-prone math.

Signed-off-by: default avatarAsaf Vertz <asaf.vertz@tandemg.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 0f30af98

drivers/md/dm-bufio.c

+2 −1
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <linux/device-mapper.h>

#include <linux/dm-io.h>

#include <linux/slab.h>

#include <linux/jiffies.h>

#include <linux/vmalloc.h>

#include <linux/shrinker.h>

#include <linux/module.h>
@@ -1739,7 +1740,7 @@ static unsigned get_max_age_hz(void) 


static bool older_than(struct dm_buffer *b, unsigned long age_hz)

{

	return (jiffies - b->last_accessed) >= age_hz;

	return time_after_eq(jiffies, b->last_accessed + age_hz);

}



static void __evict_old_buffers(struct dm_bufio_client *c, unsigned long age_hz)