Add erofs_ prefix to free_inode, alloc_inode, ...
Reported-by: NChristoph Hellwig <hch@infradead.org>
Signed-off-by: NGao Xiang <gaoxiang25@huawei.com>
Link: https://lore.kernel.org/r/20190904020912.63925-19-gaoxiang25@huawei.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>