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From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: Giuseppe Scrivano <gscrivan@redhat.com>, linux-erofs@lists.ozlabs.org
Cc: cyphar@cyphar.com, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v3] erofs: accept source file descriptor via fsconfig
Date: Fri, 17 Jul 2026 11:42:39 +0800	[thread overview]
Message-ID: <a3ee4538-6273-4d25-90d0-8dbaac092a38@linux.alibaba.com> (raw)
In-Reply-To: <20260714154917.489993-1-gscrivan@redhat.com>

Hi Giuseppe,

On 2026/7/14 23:48, Giuseppe Scrivano wrote:
> Allow userspace to pass an already-opened file descriptor as the mount
> source instead of a path string.  This is useful for tools that already
> hold an fd to the image, such as composefs reusing an existing erofs
> backing file.
> 
> Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

Use the current erofs-utils testsuite, the following tests seems skipped incorrectly.

[Error 22] Invalid argument
SKIP: erofs/008
[Error 22] Invalid argument
SKIP: erofs/009
[Error 22] Invalid argument
SKIP: erofs/010
[Error 22] Invalid argument
SKIP: erofs/011

[Error 22] Invalid argument
SKIP: erofs/017
[Error 22] Invalid argument
SKIP: erofs/018

And the kernel message shows:
[  116.477816] erofs: source is unsupported
...

git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git -b experimental-tests
$ sudo make check

Thanks,
Gao Xiang


  reply	other threads:[~2026-07-17  3:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-14 15:48 [PATCH v3] erofs: accept source file descriptor via fsconfig Giuseppe Scrivano
2026-07-17  3:42 ` Gao Xiang [this message]
2026-07-17  8:28   ` Giuseppe Scrivano
2026-07-17  8:37     ` Gao Xiang

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