From d579324998a39fa6e13edea2f06506840df9b729 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Tue, 18 Apr 2017 15:03:15 -0700 Subject: f2fs: assign allocation hint for warm/cold data This patch gives slower device region to warm/cold data area more eagerly. Signed-off-by: Jaegeuk Kim --- fs/f2fs/gc.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'fs/f2fs/gc.c') diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 74a10b7675f5..84db41ca27c1 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1033,4 +1033,9 @@ void build_gc_manager(struct f2fs_sb_info *sbi) sbi->fggc_threshold = div64_u64((main_count - ovp_count) * BLKS_PER_SEC(sbi), (main_count - resv_count)); + + /* give warm/cold data area from slower device */ + if (sbi->s_ndevs && sbi->segs_per_sec == 1) + SIT_I(sbi)->last_victim[ALLOC_NEXT] = + GET_SEGNO(sbi, FDEV(0).end_blk) + 1; } -- cgit v1.2.3