From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 01/19] xfs: growfs: don't read garbage for new secondary superblocks
Date: Thu, 11 Oct 2012 17:34:23 -0400 [thread overview]
Message-ID: <20121011213423.GA6346@infradead.org> (raw)
In-Reply-To: <1349754670-32009-2-git-send-email-david@fromorbit.com>
On Tue, Oct 09, 2012 at 02:50:52PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
>
> When updating new secondary superblocks in a growfs operation, the
> sueprblock buffer is read from the newly grown region of the
> underlying device. This is not guaranteed to be zero, so violates
> the underlying assumption that the unused parts of superblocks are
> zero filled. Get a new buffer for these secondary superblocks to
> ensure that the unused regions are zero filled correctly.
>
> Signed-off-by: Dave Chinner <dchinner@redhat.com>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2012-10-11 21:32 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-09 3:50 [PATCH 00/19] xfs: buffer read verifier infrastructure Dave Chinner
2012-10-09 3:50 ` [PATCH 01/19] xfs: growfs: don't read garbage for new secondary superblocks Dave Chinner
2012-10-11 21:34 ` Christoph Hellwig [this message]
2012-10-09 3:50 ` [PATCH 02/19] xfs: make buffer read verication an IO completion function Dave Chinner
2012-10-11 21:36 ` Christoph Hellwig
2012-10-09 3:50 ` [PATCH 03/19] xfs: uncached buffer reads need to return an error Dave Chinner
2012-10-11 21:38 ` Christoph Hellwig
2012-10-11 22:11 ` Dave Chinner
2012-10-12 2:28 ` Dave Chinner
2012-10-09 3:50 ` [PATCH 04/19] xfs: verify superblocks as they are read from disk Dave Chinner
2012-10-11 21:41 ` Christoph Hellwig
2012-10-11 22:28 ` Dave Chinner
2012-10-09 3:50 ` [PATCH 05/19] xfs: verify AGF blocks " Dave Chinner
2012-10-11 21:42 ` Christoph Hellwig
2012-10-09 3:50 ` [PATCH 06/19] xfs: verify AGI " Dave Chinner
2012-10-11 21:43 ` Christoph Hellwig
2012-10-09 3:50 ` [PATCH 07/19] xfs: verify AGFL " Dave Chinner
2012-10-11 21:44 ` Christoph Hellwig
2012-10-11 21:52 ` Dave Chinner
2012-10-09 3:50 ` [PATCH 08/19] xfs: verify inode buffers " Dave Chinner
2012-10-11 21:45 ` Christoph Hellwig
2012-10-11 21:55 ` Dave Chinner
2012-10-09 3:51 ` [PATCH 09/19] xfs: verify btree blocks " Dave Chinner
2012-10-09 3:51 ` [PATCH 10/19] xfs: verify dquot " Dave Chinner
2012-10-11 21:48 ` Christoph Hellwig
2012-10-11 22:08 ` Dave Chinner
2012-10-09 3:51 ` [PATCH 11/19] xfs: add verifier callback to directorry read code Dave Chinner
2012-10-11 21:48 ` Christoph Hellwig
2012-10-09 3:51 ` [PATCH 12/19] xfs: factor dir2 block read operations Dave Chinner
2012-10-09 3:51 ` [PATCH 13/19] xfs: verify dir2 block format buffers Dave Chinner
2012-10-09 3:51 ` [PATCH 14/19] xfs: factor dir2 free block reading Dave Chinner
2012-10-09 3:51 ` [PATCH 15/19] xfs: factor out dir2 data " Dave Chinner
2012-10-09 3:51 ` [PATCH 16/19] xfs: factor dir2 leaf read Dave Chinner
2012-10-09 3:51 ` [PATCH 17/19] xfs: factor and verify attr leaf reads Dave Chinner
2012-10-09 3:51 ` [PATCH 18/19] xfs: add xfs_da_node verification Dave Chinner
2012-10-09 3:51 ` [PATCH 19/19] xfs: Add verifiers to dir2 data readahead Dave Chinner
2012-10-11 12:09 ` [PATCH 00/19] xfs: buffer read verifier infrastructure Mark Tinguely
2012-10-11 21:42 ` Dave Chinner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20121011213423.GA6346@infradead.org \
--to=hch@infradead.org \
--cc=david@fromorbit.com \
--cc=xfs@oss.sgi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox