From: tytso@mit.edu
To: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org
Subject: Re: Updated ext4 quota design document
Date: Tue, 22 Jun 2010 17:52:00 -0400 [thread overview]
Message-ID: <20100622215200.GE6843@thunk.org> (raw)
In-Reply-To: <20100622202927.GA9413@quack.suse.cz>
On Tue, Jun 22, 2010 at 10:29:27PM +0200, Jan Kara wrote:
> With metadata which get journaled it should be quite easy. JBD already
> must know before you go and modify buffer contents - that's why
> journal_get_write_access and friends exist. It also makes sure that your
> data cannot be modified from the moment the buffer enters commit upto the
> moment the commit is finished. So you can use buffer commit hook to compute
> and store block checksum safely.
True, but we're also interested in making sure this feature can be
used in the non-journal case as well....
- Ted
next prev parent reply other threads:[~2010-06-22 21:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-21 12:29 Updated ext4 quota design document Theodore Ts'o
2010-06-22 14:20 ` Jan Kara
2010-06-22 20:08 ` tytso
2010-06-22 20:29 ` Jan Kara
2010-06-22 21:52 ` tytso [this message]
2010-06-23 12:30 ` Jan Kara
2010-07-02 7:41 ` Dmitry Monakhov
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=20100622215200.GE6843@thunk.org \
--to=tytso@mit.edu \
--cc=jack@suse.cz \
--cc=linux-ext4@vger.kernel.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.