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f2fs: assign allocation hint for warm/cold data

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This patch gives slower device region to warm/cold data area more eagerly.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2017-04-18 15:03:15 -07:00
parent d07efb5077
commit d579324998
1 changed files with 5 additions and 0 deletions
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5
fs/f2fs/gc.c
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@ -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;
}