On 03/31, heyunlei wrote:
> Hi Jaegeuk,
>
> Can we split in place update bios into single sbi->f2fs_bio_info for more page
> merged in out place update? This case can be show as below:
>
> in place update submit a bio with one page
> out place update submit a bio with one page
> in place update submit a bio with one page
> out place update submit a bio with one page
> ... ...
>
> just like WB_SYNC_ALL and WB_SYNC_NONE case.
Something like this?
>From d9f00695c5e56c48611ade3ced89432ef2b59a27 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Date: Thu, 30 Mar 2017 21:02:46 -0700
Subject: [PATCH] f2fs: submit bio of in-place-update pages
This patch tries to split in-place-update bios from sequential bios.
Suggested-by: Yunlei He <heyunlei@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/data.c | 2 +-
fs/f2fs/f2fs.h | 2 +-
fs/f2fs/segment.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index b1cac6d85bcb..1392e7c153bf 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1354,7 +1354,7 @@ int do_write_data_page(struct f2fs_io_info *fio)
!is_cold_data(page) &&
!IS_ATOMIC_WRITTEN_PAGE(page) &&
need_inplace_update(inode))) {
- rewrite_data_page(fio);
+ err = rewrite_data_page(fio);
set_inode_flag(inode, FI_UPDATE_WRITE);
trace_f2fs_do_write_data_page(page, IPU);
} else {
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index fd39db681226..5a2b8cd13c92 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2207,7 +2207,7 @@ void update_meta_page(struct f2fs_sb_info *sbi, void *src, block_t blk_addr);
void write_meta_page(struct f2fs_sb_info *sbi, struct page *page);
void write_node_page(unsigned int nid, struct f2fs_io_info *fio);
void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio);
-void rewrite_data_page(struct f2fs_io_info *fio);
+int rewrite_data_page(struct f2fs_io_info *fio);
void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
block_t old_blkaddr, block_t new_blkaddr,
bool recover_curseg, bool recover_newaddr);
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index bff3f3bc7827..eedbed62947f 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1973,11 +1973,11 @@ void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio)
f2fs_update_data_blkaddr(dn, fio->new_blkaddr);
}
-void rewrite_data_page(struct f2fs_io_info *fio)
+int rewrite_data_page(struct f2fs_io_info *fio)
{
fio->new_blkaddr = fio->old_blkaddr;
stat_inc_inplace_blocks(fio->sbi);
- f2fs_submit_page_mbio(fio);
+ return f2fs_submit_page_bio(fio);
}
void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
--
2.11.0
