linux-btrfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "H. Peter Anvin" <hpa@zytor.com>
To: Chris Mason <clm@fb.com>,
	"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: Formalizing the use of Boot Area B
Date: Tue, 20 May 2014 17:04:49 -0700	[thread overview]
Message-ID: <537BEDA1.2010900@zytor.com> (raw)
In-Reply-To: <537BE73F.7040307@fb.com>

On 05/20/2014 04:37 PM, Chris Mason wrote:
> 
> Hi Peter,
> 
> We do leave the first 1MB of each device alone.  Can we do 256K-1024K
> for the boot loader?  We don't have an immediate need for the extra
> space, but I'd like to reserve a little more than the extra 64KB.
> 

Incidentally, the current version of mkfs.btrfs actually leaves not
1 MB (1024K) but rather 1104K (64K+16K+1024K).  Not sure if that is
intentional.

	-hpa


      parent reply	other threads:[~2014-05-21  0:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-15  0:01 Formalizing the use of Boot Area B H. Peter Anvin
2014-05-20 23:29 ` H. Peter Anvin
2014-05-20 23:37   ` Chris Mason
2014-05-20 23:39     ` H. Peter Anvin
2014-05-21  0:04     ` H. Peter Anvin [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=537BEDA1.2010900@zytor.com \
    --to=hpa@zytor.com \
    --cc=clm@fb.com \
    --cc=linux-btrfs@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 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).