f2fs: continue to mount after failing recovery

When unable to roll forward the journal, we shouldn't bail out and
not mount, we should continue to attempt the mount.  Bad recovery data
is likely unrecoverable at this point, and requiring the user to try
to mount again doesn't solve any issues.
Signed-off-by: NChris Fries <C.Fries@motorola.com>
Reviewed-by: NRussell Knize <rknize2@motorola.com>
Reviewed-by: NJason Hrycay <jason.hrycay@motorola.com>
Signed-off-by: NJaegeuk Kim <jaegeuk.kim@samsung.com>

fs/f2fs/super.c

@@ -669,10 +669,9 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	/* recover fsynced data */
 	if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) {
 		err = recover_fsync_data(sbi);
-		if (err) {
-			f2fs_msg(sb, KERN_ERR, "Failed to recover fsync data");
-			goto free_root_inode;
-		}
+		if (err)
+			f2fs_msg(sb, KERN_ERR,
+				"Cannot recover all fsync data errno=%ld", err);
 	}
 
 	/* After POR, we can run background GC thread */