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authorJaegeuk Kim <jaegeuk@kernel.org>2017-02-22 17:02:32 -0800
committerJaegeuk Kim <jaegeuk@kernel.org>2017-02-24 10:01:41 -0800
commit70d625cbdbbb99e38953b8b7ac792a6471e68efb (patch)
tree89d97f15705280c92126e3542ac3dd726dcef723 /fs/f2fs
parentc192f7a4779559dddeb8c03de2b6ef499115c938 (diff)
downloadlinux-70d625cbdbbb99e38953b8b7ac792a6471e68efb.tar.bz2
f2fs: do SSR for node segments more aggresively
This patch gives more SSR chances for node blocks. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/segment.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 630e7045c53e..d780ecccc4ac 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1528,17 +1528,22 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops;
- int i;
+ int i, n;
/* need_SSR() already forces to do this */
if (v_ops->get_victim(sbi, &(curseg)->next_segno, BG_GC, type, SSR))
return 1;
- if (IS_NODESEG(type))
- return 0;
+ /* For node segments, let's do SSR more intensively */
+ if (IS_NODESEG(type)) {
+ i = CURSEG_HOT_NODE;
+ n = CURSEG_COLD_NODE;
+ } else {
+ i = CURSEG_HOT_DATA;
+ n = CURSEG_COLD_DATA;
+ }
- /* For data segments, let's do SSR more intensively */
- for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {
+ for (; i <= n; i++) {
if (i == type)
continue;
if (v_ops->get_victim(sbi, &(curseg)->next_segno,