From: Chao Yu <chao2.yu@samsung.com>
To: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: [PATCH 4/7] f2fs: readahead cp payload pages when mount
Date: Fri, 11 Sep 2015 14:40:01 +0800 [thread overview]
Message-ID: <00f401d0ec5c$cd807a80$68816f80$@samsung.com> (raw)
Readahead continuous payload pages in checkpoint area for better
performance.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
---
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
reply other threads:[~2015-09-11 6:40 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='00f401d0ec5c$cd807a80$68816f80$@samsung.com' \
--to=chao2.yu@samsung.com \
--cc=jaegeuk@kernel.org \
--cc=linux-f2fs-devel@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).