linux-ext4 - [Bug 205957] Ext4 64 bit hash breaks 32 bit glibc 2.28+

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Message-ID: <bug-205957-13602-E6zvtw7amD@https.bugzilla.kernel.org/>
Date:   Fri, 02 Oct 2020 10:34:52 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 205957] Ext4 64 bit hash breaks 32 bit glibc 2.28+

https://bugzilla.kernel.org/show_bug.cgi?id=205957

--- Comment #18 from John Paul Adrian Glaubitz (glaubitz@...sik.fu-berlin.de) ---
> The right place to fix this is in the distributions enabling LFS support, not
> in ext4, not in qemu (which is completely blameless and should not be
> changed) and only marginally in glibc.

(...)

> If distributions didn't enable LFS (large file support) in the last 15 years,
> they are weird.  Everyone has drives > 4 GiB, usually > 1000 GiB, nowadays. 
> But without LFS users can't even create a file > 4 GiB on those.  How are
> there still distributions which actually have this problem?

You are absolutely right but the real world isn't perfect, unfortunately and
while I have done my best to find packages affected by this and force them to
use _FILE_OFFSET_BITS=64, I'm still occasionally running into packages affected
by this bug which is why I'm still patching glibc locally.

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