Re: [PATCH v21 01/30] splice: Fix filemap of a blockdev

Christian Brauner
2023-05-20T09:14:32Z

On Sat, May 20, 2023 at 01:00:20AM +0100, David Howells wrote:
> Fix filemap_splice_read() to use file->f_mapping->host, not file->f_inode,
> as the source of the file size because in the case of a block device,
> file->f_inode points to the block-special file (which is typically 0
> length) and not the backing store.
>
> Fixes: 07073eb01c5f ("splice: Add a func to do a splice from a buffered file without ITER_PIPE")
> Signed-off-by: David Howells <dhowells@redhat.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> cc: Steve French <stfrench@microsoft.com>
> cc: Jens Axboe <axboe@kernel.dk>
> cc: Al Viro <viro@zeniv.linux.org.uk>
> cc: David Hildenbrand <david@redhat.com>
> cc: John Hubbard <jhubbard@nvidia.com>
> cc: linux-mm@kvack.org
> cc: linux-block@vger.kernel.org
> cc: linux-fsdevel@vger.kernel.org
> ---

Reviewed-by: Christian Brauner <brauner@kernel.org>