linux-ext4 - Re: Re: EXT4 panic at jbd2_journal_put_journal

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Message-ID: <CA+8MBbLY1jQCQmBrKdVpihkqFBf93iJKZ7J8E_JXcu9NVeff_w@mail.gmail.com>
Date:	Sun, 12 May 2013 19:04:45 -0700
From:	Tony Luck <tony.luck@...il.com>
To:	Dmitry Monakhov <dmonakhov@...nvz.org>
Cc:	eunb.song@...sung.com, "Theodore Ts'o" <tytso@....edu>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Re: EXT4 panic at jbd2_journal_put_journal_head() in 3.9+

On Sat, May 11, 2013 at 12:52 AM, Dmitry Monakhov <dmonakhov@...nvz.org> wrote:.
> What was page_size and fsblock size?

CONFIG_IA64_PAGE_SIZE_64KB=y

fsblock size is whatever is the default for SLES11SP2 on ia64 - which
tool will tell me?

My git bisect finally competed and points the a finger at:

bisect> git bisect good
ae4647fb7654676fc44a97e86eb35f9f06b99f66 is first bad commit
commit ae4647fb7654676fc44a97e86eb35f9f06b99f66
Author: Jan Kara <jack@...e.cz>
Date:   Fri Apr 12 00:03:42 2013 -0400

    jbd2: reduce journal_head size

    Remove unused t_cow_tid field (ext4 copy-on-write support doesn't seem
    to be happening) and change b_modified and b_jlist to bitfields thus
    saving 8 bytes in the structure.

    Signed-off-by: Jan Kara <jack@...e.cz>
    Signed-off-by: "Theodore Ts'o" <tytso@....edu>
    Reviewed-by: Zheng Liu <wenqing.lz@...bao.com>

:040000 040000 c39ece4341894b3daf84764ba425a87ffb90fe50
d4e8d9185c2a1b740c235ca8ed05d496a442fce3 M      include

-Tony
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