From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Tue, 18 Apr 2017 22:03:15 +0000 (-0700)
Subject: f2fs: assign allocation hint for warm/cold data
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d579324998a39fa6e13edea2f06506840df9b729;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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 <jaegeuk@kernel.org>
---

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;
 }