f2fs: readahead contiguous current summary blocks in checkpoint
Let's add readahead code for reading contiguous compact/normal summary blocks
in checkpoint, then we will gain better performance in mount procedure.
Changes from v1
o remove inappropriate 'unlikely' in npages_for_summary_flush.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index e6c271f..825158e 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -922,7 +922,7 @@
ckpt->next_free_nid = cpu_to_le32(last_nid);
/* 2 cp + n data seg summary + orphan inode blocks */
- data_sum_blocks = npages_for_summary_flush(sbi);
+ data_sum_blocks = npages_for_summary_flush(sbi, false);
if (data_sum_blocks < NR_CURSEG_DATA_TYPE)
set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG);
else