LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Chris Mason <chris.mason@oracle.com>
To: David Miller <davem@davemloft.net>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	btrfs-devel@oss.oracle.com
Subject: Re: [ANNOUNCE] Btrfs v0.12 released
Date: Mon, 11 Feb 2008 08:42:20 -0500	[thread overview]
Message-ID: <200802110842.21312.chris.mason@oracle.com> (raw)
In-Reply-To: <20080210.171257.233096646.davem@davemloft.net>

On Sunday 10 February 2008, David Miller wrote:
> From: Chris Mason <chris.mason@oracle.com>
> Date: Wed, 6 Feb 2008 12:00:13 -0500
>
> This function never returns an error, so the simplest fix was to
> return the hash value which avoids all of the issues.  In attempting
> other schemes to fix this, I found it very difficult to give gcc
> a packed attribute for that "u64 *" argument other than to create
> some new pseudo structure which would have been ugly.
>
Many thanks, I clearly didn't put enough thought into the unaligned access 
problems.

> Similar code lives in the btrfs kernel code too, I'll try to get a
> partition at least mounted and working minimally and if successful
> I'll send you patches for that too.

The kernel is actually worse, because the set/get macros are more complex.  
Some live in ctree.h like in the progs, but the nasty ones live in 
struct-funcs.c

-chris

  reply	other threads:[~2008-02-11 13:43 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-06 17:00 Chris Mason
2008-02-11  1:12 ` David Miller
2008-02-11 13:42   ` Chris Mason [this message]
2008-02-12  6:43     ` David Miller
2008-02-12 13:43       ` Chris Mason
2008-02-12  7:21 ` BTRFS partition usage David Miller
2008-02-12  8:11   ` David Miller
2008-02-12 13:49     ` Chris Mason
2008-02-12 14:00       ` Jan Engelhardt
2008-02-12 14:08         ` Chris Mason
2008-02-12 14:21           ` Jan Engelhardt
2008-02-12 14:35             ` Chris Mason
2008-02-12 15:04               ` Jan Engelhardt
2008-02-12 16:17                 ` Chris Mason
2008-02-12 23:38                 ` David Miller
2008-02-12 23:42                   ` Jan Engelhardt
2008-02-13  1:09                     ` David Miller
2008-02-13  1:22                     ` Rene Herman
2008-02-12 23:35               ` David Miller
2008-02-13  7:02                 ` Christoph Hellwig
2008-02-12 23:34             ` David Miller
2008-02-12 23:33           ` David Miller
2008-02-13  2:10             ` Jeff Garzik
2008-02-14  0:51               ` Szabolcs Szakacsits
2008-02-12 23:26         ` David Miller
2008-02-12 23:39           ` Jan Engelhardt
2008-02-13  1:08             ` David Miller
2008-02-13  1:25           ` Bryan Henderson
2008-02-12 23:28         ` David Miller
2008-02-13  0:45           ` Theodore Tso
2008-02-12 20:50       ` David Miller
2008-02-12  9:23 ` CRC32C big endian bugs David Miller
2008-02-12 21:55 ` BTRFS only works with PAGE_SIZE <= 4K David Miller
2008-02-12 22:03   ` Chris Mason

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=200802110842.21312.chris.mason@oracle.com \
    --to=chris.mason@oracle.com \
    --cc=btrfs-devel@oss.oracle.com \
    --cc=davem@davemloft.net \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --subject='Re: [ANNOUNCE] Btrfs v0.12 released' \
    /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

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).