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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-07-25 02:11:43 (GMT) |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-07-30 21:13:23 (GMT) |
| commit | ea1aa12ca237149227ef68af50c9a1acf027b625 (patch) | |
| tree | 12ac50b385998668bc2978e0949897e071b43ea3 /fs/f2fs/file.c | |
| parent | 6d99ba41a72c1213f2029e6fc66aa7943339b5db (diff) | |
| download | linux-ea1aa12ca237149227ef68af50c9a1acf027b625.tar.xz | |
f2fs: enable in-place-update for fdatasync
This patch enforces in-place-updates only when fdatasync is requested.
If we adopt this in-place-updates for the fdatasync, we can skip to write the
recovery information.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 9b888fb..9550135 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -127,7 +127,14 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) return 0; trace_f2fs_sync_file_enter(inode); + + /* if fdatasync is triggered, let's do in-place-update */ + if (datasync) + set_inode_flag(fi, FI_NEED_IPU); + ret = filemap_write_and_wait_range(inode->i_mapping, start, end); + if (datasync) + clear_inode_flag(fi, FI_NEED_IPU); if (ret) { trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret); return ret; |