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| author |   Changman Lee <cm224.lee@samsung.com> | 2014-12-08 15:29:40 +0900 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2014-12-08 10:37:13 -0800 |
| commit | 9c7bb702122fdf7c391f7d02c7d27a61a2c0c4b7 (patch) | |
| tree | b2b3e31771181c3a123feb483cfa66ff2527e81e /fs/f2fs | |
| parent | f2fs: count the number of inmemory pages (diff) | |
| download | linux-dev-9c7bb702122fdf7c391f7d02c7d27a61a2c0c4b7.tar.xz linux-dev-9c7bb702122fdf7c391f7d02c7d27a61a2c0c4b7.zip | |
f2fs: check if inode state is dirty at fsync
If inode state is dirty, go straight to write.
Suggested-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/file.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b6f3fbf2a376..0b9700216303 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -138,6 +138,17 @@ static inline bool need_do_checkpoint(struct inode *inode) return need_cp; } +static bool need_inode_page_update(struct f2fs_sb_info *sbi, nid_t ino) +{ + struct page *i = find_get_page(NODE_MAPPING(sbi), ino); + bool ret = false; + /* But we need to avoid that there are some inode updates */ + if ((i && PageDirty(i)) || need_inode_block_update(sbi, ino)) + ret = true; + f2fs_put_page(i, 0); + return ret; +} + int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) { struct inode *inode = file->f_mapping->host; @@ -168,19 +179,21 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) return ret; } + /* if the inode is dirty, let's recover all the time */ + if (!datasync && is_inode_flag_set(fi, FI_DIRTY_INODE)) { + update_inode_page(inode); + goto go_write; + } + /* * if there is no written data, don't waste time to write recovery info. */ if (!is_inode_flag_set(fi, FI_APPEND_WRITE) && !exist_written_data(sbi, ino, APPEND_INO)) { - struct page *i = find_get_page(NODE_MAPPING(sbi), ino); - /* But we need to avoid that there are some inode updates */ - if ((i && PageDirty(i)) || need_inode_block_update(sbi, ino)) { - f2fs_put_page(i, 0); + /* it may call write_inode just prior to fsync */ + if (need_inode_page_update(sbi, ino)) goto go_write; - } - f2fs_put_page(i, 0); if (is_inode_flag_set(fi, FI_UPDATE_WRITE) || exist_written_data(sbi, ino, UPDATE_INO)) |