From: Andrew Morton <akpm@linux-foundation.org>
To: David Howells <dhowells@redhat.com>
Cc: Hugh Dickins <hughd@google.com>, Christoph Hellwig <hch@lst.de>,
Jens Axboe <axboe@kernel.dk>, Al Viro <viro@zeniv.linux.org.uk>,
John Hubbard <jhubbard@nvidia.com>,
David Hildenbrand <david@redhat.com>,
Matthew Wilcox <willy@infradead.org>,
Chuck Lever <chuck.lever@oracle.com>,
linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH 1/2] shmem: Fix splice of a missing page
Date: Thu, 27 Jul 2023 09:35:29 -0700 [thread overview]
Message-ID: <20230727093529.f235377fabec606e16c20679@linux-foundation.org> (raw)
In-Reply-To: <20230727161016.169066-2-dhowells@redhat.com>
On Thu, 27 Jul 2023 17:10:15 +0100 David Howells <dhowells@redhat.com> wrote:
> Fix shmem_splice_read() to splice only part of the partial page at the end
> of a splice and not all of it.
>
> This can be seen by splicing from a tmpfs file that's not a multiple of
> PAGE_SIZE in size. Without this fix, it splices extra data to round up to
> PAGE_SIZE.
This is already in mm-unstable (and hence linux-next) via Hugh's
"shmem: minor fixes to splice-read implementation"
(https://lkml.kernel.org/r/32c72c9c-72a8-115f-407d-f0148f368@google.com)
next prev parent reply other threads:[~2023-07-27 16:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-27 16:10 [PATCH 0/2] shmem, splice: Fixes for shmem_splice_read() David Howells
2023-07-27 16:10 ` [PATCH 1/2] shmem: Fix splice of a missing page David Howells
2023-07-27 16:35 ` Andrew Morton [this message]
2023-07-27 16:47 ` David Howells
2023-07-27 18:45 ` Hugh Dickins
2023-07-27 19:49 ` David Howells
2023-07-27 16:10 ` [PATCH 2/2] shmem: Apply a couple of filemap_splice_read() fixes to shmem_splice_read() David Howells
2023-07-27 19:23 ` Hugh Dickins
2023-07-27 19:50 ` David Howells
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