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Date: Mon, 20 Apr 2020 13:23:53 +0200 From: Florian Weimer <fw@...eb.enyo.de> To: Peter Maydell <peter.maydell@...aro.org> Cc: Linus Walleij <linus.walleij@...aro.org>, "Theodore Ts'o" <tytso@....edu>, Andreas Dilger <adilger.kernel@...ger.ca>, Ext4 Developers List <linux-ext4@...r.kernel.org>, linux-fsdevel <linux-fsdevel@...r.kernel.org>, Linux API <linux-api@...r.kernel.org>, QEMU Developers <qemu-devel@...gnu.org>, Andy Lutomirski <luto@...nel.org> Subject: Re: [PATCH] fcntl: Add 32bit filesystem mode * Peter Maydell: > We open fd 3 to read '.'; we issue the new fcntl, which > succeeds. Then there's some unrelated stuff operating on > stdout. Then we do a getdents64(), but the d_off values > we get back are still 64 bits. The guest binary doesn't > like those, so it fails. My expectation was that we would > get back d_off values here that were in the 32 bit range. What's your file system? I think not all of them have 32-bit hashes (some of them probably can't, particularly in the network-based file system case).
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