f2fs: wrap all options with f2fs_sb_info.mount_opt

This patch merges miscellaneous mount options into struct f2fs_mount_info,
After this patch, once we add new mount option, we don't need to worry
about recovery of it in remount_fs(), since we will recover the
f2fs_sb_info.mount_opt including all options.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/namei.c

@@ -97,7 +97,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
 	if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)) {
 		f2fs_bug_on(sbi, !f2fs_has_extra_attr(inode));
 		if (f2fs_has_inline_xattr(inode))
-			xattr_size = sbi->inline_xattr_size;
+			xattr_size = F2FS_OPTION(sbi).inline_xattr_size;
 		/* Otherwise, will be 0 */
 	} else if (f2fs_has_inline_xattr(inode) ||
 				f2fs_has_inline_dentry(inode)) {
@@ -970,7 +970,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
 			f2fs_put_page(old_dir_page, 0);
 		f2fs_i_links_write(old_dir, false);
 	}
-	if (sbi->fsync_mode == FSYNC_MODE_STRICT)
+	if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT)
 		add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
 
 	f2fs_unlock_op(sbi);
@@ -1121,7 +1121,7 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
 	}
 	f2fs_mark_inode_dirty_sync(new_dir, false);
 
-	if (sbi->fsync_mode == FSYNC_MODE_STRICT) {
+	if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) {
 		add_ino_entry(sbi, old_dir->i_ino, TRANS_DIR_INO);
 		add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
 	}