Messages in this thread Patch in this message | | | From | Jaegeuk Kim <> | Subject | [PATCH 3/3] f2fs: assign allocation hint for warm/cold data | Date | Tue, 18 Apr 2017 18:45:20 -0700 |
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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> --- fs/f2fs/gc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index d988c1aaf132..eb1846a80da3 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1028,4 +1028,9 @@ 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->last_victim[ALLOC_NEXT] = + GET_SEGNO(sbi, FDEV(0).end_blk) + 1; } -- 2.11.0
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