f2fs: add roll-forward recovery process for encrypted dentry

Add roll-forward recovery process for encrypted dentry, so the first fsync
issued to an encrypted file does not need writing checkpoint.

This improves the performance of the following test at thousands of small
files: open -> write -> fsync -> close

Signed-off-by: Shuoran Liu <liushuoran@huawei.com>
Acked-by: Chao Yu <yuchao0@huawei.com>
[Jaegeuk Kim: modify kernel message to show encrypted names]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 21aa99b220d7..b74e985213f4 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -137,8 +137,6 @@ static inline bool need_do_checkpoint(struct inode *inode)
                 need_cp = true;
         else if (is_sbi_flag_set(sbi, SBI_NEED_CP))
                 need_cp = true;
-        else if (file_enc_name(inode) && need_dentry_mark(sbi, inode->i_ino))
-                need_cp = true;
         else if (file_wrong_pino(inode))
                 need_cp = true;
         else if (!space_for_roll_forward(sbi))