From: Eric Sandeen <sandeen@redhat.com>
To: Andreas Dilger <adilger@dilger.ca>
Cc: "Ted Ts'o" <tytso@mit.edu>,
ext4 development <linux-ext4@vger.kernel.org>
Subject: Re: [PATCH] mke2fs: use lazy inode init on some discard-able devices
Date: Tue, 21 Sep 2010 11:01:47 -0500 [thread overview]
Message-ID: <4C98D6EB.3040902@redhat.com> (raw)
In-Reply-To: <E586FDF0-22B6-4FCD-80EB-F33F851AE031@dilger.ca>
On 09/21/2010 12:15 AM, Andreas Dilger wrote:
> On Fri, Aug 20, 2010 at 04:41:14PM -0500, Eric Sandeen wrote:
>> If a device supports discard -and- returns 0s for discarded blocks,
>> then we can skip the inode table initialization -and- the inode table
>> zeroing at mkfs time, and skip the lazy init as well since they are
>> already zeroed out.
>
> Eric, do you have my patch for skipping the journal zeroing? If you
are already skipping the inode table zeroing (which is my bigger of a
deal) then you may as well skip zeroing the journal at the same time.
Hm good point. Might be in my ext4 folder somewhere ;)
-Eric
> Cheers, Andreas
prev parent reply other threads:[~2010-09-21 16:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-20 21:41 [PATCH] mke2fs: use lazy inode init on some discard-able devices Eric Sandeen
2010-08-23 10:49 ` Theodore Tso
2010-08-23 14:32 ` Eric Sandeen
2010-08-24 0:27 ` Andreas Dilger
2010-09-20 13:23 ` Ted Ts'o
2010-09-21 5:15 ` Andreas Dilger
2010-09-21 16:01 ` Eric Sandeen [this message]
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=4C98D6EB.3040902@redhat.com \
--to=sandeen@redhat.com \
--cc=adilger@dilger.ca \
--cc=linux-ext4@vger.kernel.org \
--cc=tytso@mit.edu \
/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;
as well as URLs for NNTP newsgroup(s).