From: David Sterba <dsterba@suse.cz>
To: David Sterba <dsterba@suse.com>
Cc: linux-btrfs@vger.kernel.org, clm@fb.com
Subject: Re: Btrfs progs release 4.8 (32bit builds broken)
Date: Wed, 5 Oct 2016 15:33:46 +0200 [thread overview]
Message-ID: <20161005133346.GF6576@twin.jikos.cz> (raw)
In-Reply-To: <20161005112949.8086-1-dsterba@suse.com>
I got a report that the 32bit builds are broken. This seems to be caused
by padding inserted (or not) into the structures and depends on a
compiler version. The error messages may look cryptic, but if you see
something like
ioctl.h:570:1: note: in expansion of macro 'BUILD_ASSERT'
BUILD_ASSERT(sizeof(struct btrfs_ioctl_received_subvol_args) == 200);
that means that the given structure has an unexpected size. Fixing that
properly will probably lead to some tricks to force the exact size
regardless of arch bits and compiler.
next prev parent reply other threads:[~2016-10-05 13:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-05 11:29 Btrfs progs release 4.8 David Sterba
2016-10-05 13:33 ` David Sterba [this message]
2016-10-05 22:25 ` Btrfs progs release 4.8 (32bit builds broken) Justin Maggard
2016-10-05 22:27 ` Justin Maggard
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