From: Pavel Machek <pavel@ucw.cz>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Karel Zak <kzak@redhat.com>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
util-linux-ng@vger.kernel.org
Subject: Re: [ANNOUNCE] util-linux-ng v2.17 (stable)
Date: Mon, 11 Jan 2010 15:05:42 +0100 [thread overview]
Message-ID: <20100111140255.GA1416@ucw.cz> (raw)
In-Reply-To: <4B47A713.9060405@zytor.com>
On Fri 2010-01-08 13:43:47, H. Peter Anvin wrote:
> On 01/08/2010 01:33 AM, Karel Zak wrote:
> >
> > fdisk:
> > - the fdisk command aligns newly created partitions to minimum_io_size
> > boundary ("minimum_io_size" is physical sector size or stripe chunk
> > size on RAIDs).
> >
> > - the fdisk command supports disks with alignment_offset now.
> >
>
> I think we should align, by default, much more aggressively than that --
> because frequently we just don't know what the real physical alignment
> is (think of flash media, which uses large erase blocks underneath.)
Flash has special mapping layer, and does not care (SD/MMC), or is a
raw nand and can't be used as block device (smartmedia).
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>
To: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
Cc: Karel Zak <kzak-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
util-linux-ng-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [ANNOUNCE] util-linux-ng v2.17 (stable)
Date: Mon, 11 Jan 2010 15:05:42 +0100 [thread overview]
Message-ID: <20100111140255.GA1416@ucw.cz> (raw)
In-Reply-To: <4B47A713.9060405-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
On Fri 2010-01-08 13:43:47, H. Peter Anvin wrote:
> On 01/08/2010 01:33 AM, Karel Zak wrote:
> >
> > fdisk:
> > - the fdisk command aligns newly created partitions to minimum_io_size
> > boundary ("minimum_io_size" is physical sector size or stripe chunk
> > size on RAIDs).
> >
> > - the fdisk command supports disks with alignment_offset now.
> >
>
> I think we should align, by default, much more aggressively than that --
> because frequently we just don't know what the real physical alignment
> is (think of flash media, which uses large erase blocks underneath.)
Flash has special mapping layer, and does not care (SD/MMC), or is a
raw nand and can't be used as block device (smartmedia).
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
To unsubscribe from this list: send the line "unsubscribe util-linux-ng" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2010-01-11 14:05 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-08 9:33 [ANNOUNCE] util-linux-ng v2.17 (stable) Karel Zak
2010-01-08 9:33 ` Karel Zak
2010-01-08 21:43 ` H. Peter Anvin
2010-01-08 22:40 ` Andreas Dilger
2010-01-08 22:40 ` Andreas Dilger
2010-01-08 23:33 ` H. Peter Anvin
2010-01-08 23:33 ` H. Peter Anvin
2010-01-11 6:36 ` Martin K. Petersen
2010-01-11 6:36 ` Martin K. Petersen
2010-01-11 7:27 ` H. Peter Anvin
2010-01-11 7:27 ` H. Peter Anvin
2010-01-11 14:05 ` Pavel Machek [this message]
2010-01-11 14:05 ` Pavel Machek
2010-01-11 16:52 ` H. Peter Anvin
2010-01-11 20:17 ` Pavel Machek
2010-01-11 20:17 ` Pavel Machek
2010-01-11 23:26 ` H. Peter Anvin
2010-01-11 23:26 ` H. Peter Anvin
2010-01-12 13:33 ` Artem Bityutskiy
2010-01-12 13:33 ` Artem Bityutskiy
2010-01-12 13:35 ` Artem Bityutskiy
2010-01-12 13:35 ` Artem Bityutskiy
2010-01-11 19:17 ` Artem Bityutskiy
2010-01-11 19:17 ` Artem Bityutskiy
2010-01-12 7:19 ` Jörn Engel
2010-01-12 8:19 ` H. Peter Anvin
2010-01-12 8:19 ` H. Peter Anvin
2010-01-12 9:37 ` Jörn Engel
2010-01-12 9:37 ` Jörn Engel
2010-01-12 16:20 ` H. Peter Anvin
2010-01-12 16:20 ` H. Peter Anvin
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=20100111140255.GA1416@ucw.cz \
--to=pavel@ucw.cz \
--cc=hpa@zytor.com \
--cc=kzak@redhat.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=util-linux-ng@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.