Re: [PATCH] netfs: Fix barriering when walking subrequest list

Paulo Alcantara <[email protected]> Thu, 02 Jul 2026 09:59:36 -0300

Newsgroups	dev.linux.lists.netfs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

David Howells <[email protected]> writes:

> Fix the barriering used when walking the subrequest list in retry as
> there's a possibility of seeing a subreq that's just been added by the
> application thread.
>
> Fixes: ee4cdf7ba857 ("netfs: Speed up buffered reading")
> Fixes: 288ace2f57c9 ("netfs: New writeback implementation")
> Link: https://sashiko.dev/#/patchset/20260608145432.681865-1-dhowells%40redhat.com
> Signed-off-by: David Howells <[email protected]>
> cc: Paulo Alcantara <[email protected]>
> cc: [email protected]
> cc: [email protected]
> ---
>  fs/netfs/read_retry.c  |    7 ++++++-
>  fs/netfs/write_retry.c |    7 ++++++-
>  2 files changed, 12 insertions(+), 2 deletions(-)

Reviewed-by: Paulo Alcantara (Red Hat) <[email protected]>