From: Yunlei He <heyunlei@xxxxxxxxxx> [ Upstream commit b61ac5b720146c619c7cdf17eff2551b934399e5 ] This patch move dir data flush to write checkpoint process, by doing this, it may reduce some time for dir fsync. pre: -f2fs_do_sync_file enter -file_write_and_wait_range <- flush & wait -write_checkpoint -do_checkpoint <- wait all -f2fs_do_sync_file exit now: -f2fs_do_sync_file enter -write_checkpoint -block_operations <- flush dir & no wait -do_checkpoint <- wait all -f2fs_do_sync_file exit Signed-off-by: Yunlei He <heyunlei@xxxxxxxxxx> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- fs/f2fs/file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 96bfd9f0ea02..bee3bc7a16ac 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -200,6 +200,9 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) trace_f2fs_sync_file_enter(inode); + if (S_ISDIR(inode->i_mode)) + goto go_write; + /* if fdatasync is triggered, let's do in-place-update */ if (get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks) set_inode_flag(fi, FI_NEED_IPU); -- 2.19.1