linux-kernel - Re: [RFC PATCH 11/10] pipe: Add fsync() support [ver #2]

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Message-ID: <17042.1572534796@warthog.procyon.org.uk>
Date:   Thu, 31 Oct 2019 15:13:16 +0000
From:   David Howells <dhowells@...hat.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     dhowells@...hat.com, torvalds@...ux-foundation.org,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        nicolas.dichtel@...nd.com, raven@...maw.net,
        Christian Brauner <christian@...uner.io>,
        keyrings@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-block@...r.kernel.org, linux-security-module@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-api@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 11/10] pipe: Add fsync() support [ver #2]

Christoph Hellwig <hch@...radead.org> wrote:

> I am _really_ worried about overloading fsync for this behavior.  fsync
> hasn't done anything for 50 years, and suddenly adding any action
> is not helpful.  If you can't use FIONREAD please add a new ioctls
> instead, and document it properly.

Okay.

David