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Commit d5793249 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: assign allocation hint for warm/cold data 



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

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent d07efb50

fs/f2fs/gc.c

+5 −0
Original line number Diff line number Diff line
@@ -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;

}