Messages in this thread Patch in this message | | | From | Jaegeuk Kim <> | Subject | [PATCH 4/7] f2fs: skip clean segment for gc | Date | Wed, 8 Jun 2016 10:24:41 -0700 |
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If a segment in a section is clean or prefreed, we don't need to get its summary and do gc.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/gc.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 67fd285..e1d274c 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -795,6 +795,10 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, } for (segno = start_segno; segno < end_segno; segno++) { + + if (get_valid_blocks(sbi, segno, 1) == 0) + continue; + /* find segment summary of victim */ sum_page = find_get_page(META_MAPPING(sbi), GET_SUM_BLOCK(sbi, segno)); -- 2.8.3
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