diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-02-22 17:02:32 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-03-08 21:57:04 -0800 |
| commit | cb9ca08d121ab076d027d3f37806fd315d9771fa (patch) | |
| tree | 6cfcf1408ac713e9704b1492370df0822562f898 /fs | |
| parent | 70dd5a4c5aa2440965085a36a17496be6ba9b760 (diff) | |
f2fs: do SSR for node segments more aggresively
This patch gives more SSR chances for node blocks.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/segment.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index d77b2cddf9df..934749663b61 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1618,17 +1618,22 @@ 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, |