Otherwise, f2fs conducts GC on 8GB range only based on slow cost-benefit.
Signed-off-by: Jaegeuk Kim <[email protected]>
---
fs/f2fs/gc.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index bc9420ce2275..bfb7a4a3a929 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -162,12 +162,17 @@ static int select_gc_type(struct f2fs_gc_kthread *gc_th,
int gc_type)
{
int gc_mode = (gc_type == BG_GC) ? GC_CB : GC_GREEDY;
- if (gc_th && gc_th->gc_idle) {
+ if (!gc_th)
+ return gc_mode;
+
+ if (gc_th->gc_idle) {
if (gc_th->gc_idle == 1)
gc_mode = GC_CB;
else if (gc_th->gc_idle == 2)
gc_mode = GC_GREEDY;
}
+ if (gc_th->gc_urgent)
+ gc_mode = GC_GREEDY;
return gc_mode;
}
@@ -189,7 +194,9 @@ static void select_policy(struct f2fs_sb_info *sbi, int
gc_type,
}
/* we need to check every dirty segments in the FG_GC case */
- if (gc_type != FG_GC && p->max_search > sbi->max_victim_search)
+ if (gc_type != FG_GC &&
+ (sbi->gc_thread && !sbi->gc_thread->gc_urgent) &&
+ p->max_search > sbi->max_victim_search)
p->max_search = sbi->max_victim_search;
/* let's select beginning hot/small space first in no_heap mode*/
--
2.15.0.531.g2ccb3012c9-goog
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