linux-kernel - Re: [PATCH] ceph: Fix incorrect flush end position calculation

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Message-ID: <1307972.1741854328@warthog.procyon.org.uk>
Date: Thu, 13 Mar 2025 08:25:28 +0000
From: David Howells <dhowells@...hat.com>
To: Viacheslav Dubeyko <Slava.Dubeyko@....com>
Cc: dhowells@...hat.com, "slava@...eyko.com" <slava@...eyko.com>,
    "ceph-devel@...r.kernel.org" <ceph-devel@...r.kernel.org>,
    Alex Markuze <amarkuze@...hat.com>, Xiubo Li <xiubli@...hat.com>,
    "brauner@...nel.org" <brauner@...nel.org>,
    "idryomov@...il.com" <idryomov@...il.com>,
    "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
    "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ceph: Fix incorrect flush end position calculation

Viacheslav Dubeyko <Slava.Dubeyko@....com> wrote:

> Do we know easy way to reproduce the issue?

I found it by inspection of the code.  Quite possibly the issue will never
arise in actuality because whilst the code only specifies a flush of at least
a few bytes of the tail page, it will be rounded up to the full page/eof.

David