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@xxxxxxxxxx>
---
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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