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Commit d0db7703 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: do SSR in higher priority 



Let's check SSR in prior to LFS allocation.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 035e97ad

fs/f2fs/segment.c

+1 −16
Original line number Diff line number Diff line
@@ -1324,17 +1324,6 @@ static void write_current_sum_page(struct f2fs_sb_info *sbi, 
	f2fs_put_page(page, 1);

}



static int is_next_segment_free(struct f2fs_sb_info *sbi, int type)

{

	struct curseg_info *curseg = CURSEG_I(sbi, type);

	unsigned int segno = curseg->segno + 1;

	struct free_segmap_info *free_i = FREE_I(sbi);



	if (segno < MAIN_SEGS(sbi) && segno % sbi->segs_per_sec)

		return !test_bit(segno, free_i->free_segmap);

	return 0;

}



/*

 * Find a new segment from the free segments bitmap to right order

 * This function should be returned with success, otherwise BUG
@@ -1559,21 +1548,17 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type) 
static void allocate_segment_by_default(struct f2fs_sb_info *sbi,

						int type, bool force)

{

	struct curseg_info *curseg = CURSEG_I(sbi, type);



	if (force)

		new_curseg(sbi, type, true);

	else if (!is_set_ckpt_flags(sbi, CP_CRC_RECOVERY_FLAG) &&

					type == CURSEG_WARM_NODE)

		new_curseg(sbi, type, false);

	else if (curseg->alloc_type == LFS && is_next_segment_free(sbi, type))

		new_curseg(sbi, type, false);

	else if (need_SSR(sbi) && get_ssr_segment(sbi, type))

		change_curseg(sbi, type, true);

	else

		new_curseg(sbi, type, false);



	stat_inc_seg_type(sbi, curseg);

	stat_inc_seg_type(sbi, CURSEG_I(sbi, type));

}



void allocate_new_segments(struct f2fs_sb_info *sbi)