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[172.10.233.147]) by smtp.gmail.com with ESMTPSA id n7sm3253475oij.14.2020.01.12.22.59.03 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 12 Jan 2020 22:59:05 -0800 (PST) Date: Sun, 12 Jan 2020 22:58:52 -0800 (PST) From: Hugh Dickins X-X-Sender: hugh@eggly.anvils To: Mikael Magnusson cc: david@fromorbit.com, akpm@linux-foundation.org, amir73il@gmail.com, chris@chrisdown.name, hannes@cmpxchg.org, hughd@google.com, jlayton@kernel.org, kernel-team@fb.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, tj@kernel.org, viro@zeniv.linux.org Subject: Re: [PATCH v5 2/2] tmpfs: Support 64-bit inums per-sb In-Reply-To: <20200108143752.9475-1-mikachu@gmail.com> Message-ID: References: <20200107001039.GM23195@dread.disaster.area> <20200108143752.9475-1-mikachu@gmail.com> User-Agent: Alpine 2.11 (LSU 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, 8 Jan 2020, Mikael Magnusson wrote: > > It's unfortunately not true that everything handles this correctly. > 32-bit binaries for games on Steam that use stat() without the 64 is > so prevalent that I got tired of adding the LD_PRELOAD wrapper script > and just patched out the EOVERFLOW return from glibc instead. (They > obviously don't care about the inode value at all, and I don't use any > other 32-bit binaries that do). This is probably a class of binaries > you don't care very much about, and not very likely to be installed on > a tmpfs that has wrapped around, but I thought it was worth mentioning > that they do exist anyway. Thank you for alerting us to reality, Mikael: not what any of us wanted to hear, but we do care about them, and it was well worth mentioning. Hugh