From: Gao Xiang <xiang@kernel.org>
To: Martin Pitt <martin@amutable.com>
Cc: linux-erofs@lists.ozlabs.org
Subject: Re: [PATCH 3/3] erofs-utils: tests: check that the xattr layout is order-independent
Date: Thu, 27 Aug 2026 20:10:53 +0800 [thread overview]
Message-ID: <apApTbxttZN996wk@192.168.5.19> (raw)
In-Reply-To: <ao88F-F9wTDhKjvI@piware.de>
Hi Martin,
On Wed, Aug 26, 2026 at 09:18:47PM +0200, Martin Pitt wrote:
> Hello again,
>
> Martin Pitt [2026-08-04 5:32 +0200]:
> > b260119b8edb ("erofs-utils: mkfs: emit an inode's xattrs in a canonical
> > order") made the layout independent of the order listxattr(2) reports an
> > inode's attributes in. Cover it: stage the same tree twice with the same
> > attributes set in opposite order, and compare the two images. The names
> > differ in length and share prefixes, so a subtly wrong comparison cannot
> > order them correctly by accident.
>
> I see my first [1] and second [2] preparatory patch made it into the tree
> [3][4], but not this third one (and the main test).
>
> Do you want me to explain or change anything, or did it simply fell through the
> cracks?
I didn't miss this one, there are also other pending tests in my queue,
I need to resolve them all but maybe a bit delay.
It's already merged with very minor changes.
Thanks,
Gao Xiang
>
> Thank you!
>
> Martin
>
> [1] https://lore.kernel.org/linux-erofs/20260804033214.211267-2-martin@amutable.com/
> [2] https://lore.kernel.org/linux-erofs/20260804033214.211267-3-martin@amutable.com/
> [3] https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git/commit/?h=experimental-tests&id=4b02ea1792c14cb9f250bd55aced5614e699397a
> [4] https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git/commit/?h=experimental-tests&id=887ce207bc8b068de9771b736333a8da6d939670
>
prev parent reply other threads:[~2026-08-27 12:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-04 3:32 [PATCH 0/3] erofs-utils: tests: cover the canonical xattr order Martin Pitt
2026-08-04 3:32 ` [PATCH 1/3] erofs-utils: tests: fix broken loop in POSIX shells Martin Pitt
2026-08-04 3:32 ` [PATCH 2/3] erofs-utils: tests: look up programs with command -v Martin Pitt
2026-08-04 3:32 ` [PATCH 3/3] erofs-utils: tests: check that the xattr layout is order-independent Martin Pitt
2026-08-26 19:18 ` Martin Pitt
2026-08-27 12:10 ` Gao Xiang [this message]
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