linux-kernel - Re: Unionmount and overlayfs testsuite

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Date:	Thu, 29 May 2014 22:00:44 +0200
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	David Howells <dhowells@...hat.com>
Cc:	Miklos Szeredi <miklos@...redi.hu>,
	Al Viro <viro@...iv.linux.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>, apw@...onical.com,
	Felix Fietkau <nbd@...nwrt.org>, neilb@...e.de,
	jordipujolp@...il.com, ezk@....cs.sunysb.edu,
	"J. R. Okajima" <hooanon05@...oo.co.jp>, mszeredi@...e.cz
Subject: Re: Unionmount and overlayfs testsuite

On Thu, May 29, 2014 at 9:35 PM, David Howells <dhowells@...hat.com> wrote:
> Sedat Dilek <sedat.dilek@...il.com> wrote:
>
>> # LC_ALL=C TEST_OVERLAYFS="1" ./run.sh
>> [ run.sh ] TEST_OVERLAYFS is 1
>> ***
>> *** ./run.sh open-plain.test
>> ***
>> [ mount_union.sh ] TEST_OVERLAYFS is 1
>> TEST100: Open O_RDONLY
>>  - open_file -r /mnt/a/foo100 -R :xxx:yyy:zzz
>>  - open_file -r /mnt/a/foo100 -R :xxx:yyy:zzz
>> TEST101: Open O_WRONLY
>>  - open_file -w /mnt/a/foo101 -W q
>> /mnt/a/foo101: Test file not on upper filesystem  (line 30)
>
> This looks like what I see when I run it:
>
>         [root@...romeda union-testsuite]# TEST_OVERLAYFS=1 ./run.sh
>         ***
>         *** ./run.sh open-plain.test
>         ***
>         umount: /mnt: not mounted
>         TEST100: Open O_RDONLY
>          - open_file -r /mnt/a/foo100 -R :xxx:yyy:zzz
>          - open_file -r /mnt/a/foo100 -R :xxx:yyy:zzz
>         TEST101: Open O_WRONLY
>          - open_file -w /mnt/a/foo101 -W q
>         /mnt/a/foo101: Test file not on upper filesystem  (line 30)
>
> I think the problem is that the script expecting the "upper" fs inodes to have
> the overlay superblock dev ID and not the upper superblock dev ID.  That
> should be easily fixable.
>

"Fixable" in your testsuite?

- Sedat -
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