From: Jaegeuk Kim Date: Wed, 3 Jul 2013 01:55:52 +0000 (+0900) Subject: f2fs: recover date requested by fdatasync X-Git-Tag: v3.12-rc1~127^2~39 X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=e5d2385ed6d8543a8884afc28aee44d46cfe64be;p=cascardo%2Flinux.git f2fs: recover date requested by fdatasync In order to support SQLite that uses fdatasync instead of fsync, we should guarantee the data requested by fdatasync can be recovered after sudden-power- off. So, let's remove the fdatasync condition in f2fs_sync_file. Otherwise, we can restore the data after sudden-power-off due to nonexistence of any fsync mark'ed node blocks. Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index d2d2b7dbdcc1..157a6357f14c 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -147,9 +147,10 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) mutex_lock(&inode->i_mutex); - if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) - goto out; - + /* + * Both of fdatasync() and fsync() are able to be recovered from + * sudden-power-off. + */ if (!S_ISREG(inode->i_mode) || inode->i_nlink != 1) need_cp = true; else if (file_wrong_pino(inode))