Re: Re: EXT4 panic at jbd2_journal_put_journal_head() in 3.9+

From: Tony Luck
Date: Sun May 12 2013 - 22:04:53 EST


On Sat, May 11, 2013 at 12:52 AM, Dmitry Monakhov <dmonakhov@xxxxxxxxxx> 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@xxxxxxx>
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@xxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
Reviewed-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>

:040000 040000 c39ece4341894b3daf84764ba425a87ffb90fe50
d4e8d9185c2a1b740c235ca8ed05d496a442fce3 M include

-Tony
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