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Date:	Mon, 24 Mar 2014 09:52:30 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Al Viro <viro@...iv.linux.org.uk>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [git pull] vfs fixes

On Sun, Mar 23, 2014 at 6:01 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> On Sun, Mar 23, 2014 at 9:45 AM, Al Viro <viro@...iv.linux.org.uk> wrote:
>>
>> It's easier to skip checking the overflow on prepend() of "\0" in the
>> beginning of the whole thing and just let the next operation to fail.
>> That's where the corner case comes from.
>
> Ok, I'll buy the first four commits. Let's wait for Sedat's report on the rest.
>
>                   Linus
>

Hi,

I have tested w/ Al's patch from [1].

AFAICS this changes are now updated in vfs.git#for-linus branch as

commit 9d25fe7e232b ("switch mnt_hash to hlist").

I had a 2nd trouble w/ the old code, installing a Debian package
resulted also in a freeze.
This now works.

The LTP test is still running... and my -5 kernel with Al's fix seems
to hit the 700+ KiB barrier in my logs.

$ LC_ALL=C ls -l /opt/ltp/runltp-log_3.14.0-rc7-[0-9]*-iniza-small.txt
-rw-r--r-- 1 root root  733184 Mar 23 09:51
/opt/ltp/runltp-log_3.14.0-rc7-4-iniza-small.txt
-rw-r--r-- 1 root root  822533 Mar 24 09:51
/opt/ltp/runltp-log_3.14.0-rc7-5-iniza-small.txt
-rw-r--r-- 1 root root 1142248 Mar 23 11:44
/opt/ltp/runltp-log_3.14.0-rc7-66-iniza-small.txt

[ NOTE ]
-66: vanilla Linus-tree
-4: -66 plus old vfs-fixes
-5: -66 plus old vfs-fixes plus Al's fix from [1]

If you like give the usual credits.

Regards,
- Sedat -

P.S.: [Off-topic] With vanilla -66 kernel I have some OOPS in the
oom[1..5] tests of LTP. Whom to adress? mm-folks?

[1] http://marc.info/?l=linux-kernel&m=139559379906251&w=2
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