From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Yu Subject: [PATCH 4/7] f2fs: readahead cp payload pages when mount Date: Fri, 11 Sep 2015 14:40:01 +0800 Message-ID: <00f401d0ec5c$cd807a80$68816f80$@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Content-language: zh-cn Sender: linux-kernel-owner@vger.kernel.org To: Jaegeuk Kim Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org List-Id: linux-f2fs-devel.lists.sourceforge.net Readahead continuous payload pages in checkpoint area for better performance. Signed-off-by: Chao Yu --- fs/f2fs/checkpoint.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index c5a38e3..7c1b297 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -676,6 +676,9 @@ int get_valid_checkpoint(struct f2fs_sb_info *sbi) if (cur_page == cp2) cp_blk_no += 1 << le32_to_cpu(fsb->log_blocks_per_seg); + if (cp_blks > 2) + ra_meta_pages(sbi, cp_blk_no + 1, cp_blks - 1, META_CP); + for (i = 1; i < cp_blks; i++) { void *sit_bitmap_ptr; unsigned char *ckpt = (unsigned char *)sbi->ckpt; -- 2.4.2