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Diffstat (limited to 'fs/f2fs/gc.c')
-rw-r--r--fs/f2fs/gc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 77391e3b7d68..a946ce0ead34 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -14,6 +14,7 @@
#include <linux/delay.h>
#include <linux/freezer.h>
#include <linux/sched/signal.h>
+#include <linux/random.h>
#include "f2fs.h"
#include "node.h"
@@ -257,7 +258,9 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type,
p->max_search = sbi->max_victim_search;
/* let's select beginning hot/small space first in no_heap mode*/
- if (test_opt(sbi, NOHEAP) &&
+ if (f2fs_need_rand_seg(sbi))
+ p->offset = prandom_u32() % (MAIN_SECS(sbi) * sbi->segs_per_sec);
+ else if (test_opt(sbi, NOHEAP) &&
(type == CURSEG_HOT_DATA || IS_NODESEG(type)))
p->offset = 0;
else