All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@lst.de>
To: Amir Goldstein <amir73il@gmail.com>
Cc: linux-xfs <linux-xfs@vger.kernel.org>,
	linux-raid@vger.kernel.org, linux-nvdimm@lists.01.org,
	Mimi Zohar <zohar@linux.vnet.ibm.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Steven Whitehouse <swhiteho@redhat.com>,
	David Howells <dhowells@redhat.com>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Shaohua Li <shli@kernel.org>, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 16/16] fs: switch ->s_uuid to uuid_t
Date: Thu, 11 May 2017 09:58:25 +0200	[thread overview]
Message-ID: <20170511075825.GB19837@lst.de> (raw)
In-Reply-To: <CAOQ4uxga2U6OS8N5MnBoytyWP8Fbf8qQCS1cnsPqjoby=Mxc1w@mail.gmail.com>

On Wed, May 10, 2017 at 10:08:25PM +0300, Amir Goldstein wrote:
> On Wed, May 10, 2017 at 9:02 PM, Christoph Hellwig <hch@lst.de> wrote:
> > For some file systems we still memcpy into it, but in various places this
> > already allows us to use the proper uuid helpers.  More to come..
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
> > ---
> 
> Series looks good!
> 
> My main concern is that filesystems with char uuid[16] are here to stay,
> or maybe, will be converted slowly.

I'll take a stab to convert them ASAP, and add s_uuid support for you
to more file systems once this initial series is done.

> 
> Considering this, perhaps we should have a helper/macro to copy from
> char[16] to *uuid_t and maybe  BUILD_BUG_ON the size comparison?
> #define bytes_to_uuid(dst, src) ...

If the mix of proper types and u8 arrays was to stay that'd be the way
to go, but I'd rather fix things up in a merge window or two instead
of leaving us in a transitionary state forever.
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Amir Goldstein <amir73il-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-xfs <linux-xfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org,
	Mimi Zohar
	<zohar-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Steven Whitehouse
	<swhiteho-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	linux-fsdevel
	<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Andy Shevchenko
	<andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	Shaohua Li <shli-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Subject: Re: [PATCH 16/16] fs: switch ->s_uuid to uuid_t
Date: Thu, 11 May 2017 09:58:25 +0200	[thread overview]
Message-ID: <20170511075825.GB19837@lst.de> (raw)
In-Reply-To: <CAOQ4uxga2U6OS8N5MnBoytyWP8Fbf8qQCS1cnsPqjoby=Mxc1w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Wed, May 10, 2017 at 10:08:25PM +0300, Amir Goldstein wrote:
> On Wed, May 10, 2017 at 9:02 PM, Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org> wrote:
> > For some file systems we still memcpy into it, but in various places this
> > already allows us to use the proper uuid helpers.  More to come..
> > Signed-off-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
> > ---
> 
> Series looks good!
> 
> My main concern is that filesystems with char uuid[16] are here to stay,
> or maybe, will be converted slowly.

I'll take a stab to convert them ASAP, and add s_uuid support for you
to more file systems once this initial series is done.

> 
> Considering this, perhaps we should have a helper/macro to copy from
> char[16] to *uuid_t and maybe  BUILD_BUG_ON the size comparison?
> #define bytes_to_uuid(dst, src) ...

If the mix of proper types and u8 arrays was to stay that'd be the way
to go, but I'd rather fix things up in a merge window or two instead
of leaving us in a transitionary state forever.

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Shaohua Li <shli@kernel.org>,
	Dan Williams <dan.j.williams@intel.com>,
	David Howells <dhowells@redhat.com>,
	Steven Whitehouse <swhiteho@redhat.com>,
	Mimi Zohar <zohar@linux.vnet.ibm.com>,
	linux-xfs <linux-xfs@vger.kernel.org>,
	linux-raid@vger.kernel.org, linux-nvdimm@ml01.01.org,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 16/16] fs: switch ->s_uuid to uuid_t
Date: Thu, 11 May 2017 09:58:25 +0200	[thread overview]
Message-ID: <20170511075825.GB19837@lst.de> (raw)
In-Reply-To: <CAOQ4uxga2U6OS8N5MnBoytyWP8Fbf8qQCS1cnsPqjoby=Mxc1w@mail.gmail.com>

On Wed, May 10, 2017 at 10:08:25PM +0300, Amir Goldstein wrote:
> On Wed, May 10, 2017 at 9:02 PM, Christoph Hellwig <hch@lst.de> wrote:
> > For some file systems we still memcpy into it, but in various places this
> > already allows us to use the proper uuid helpers.  More to come..
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
> > ---
> 
> Series looks good!
> 
> My main concern is that filesystems with char uuid[16] are here to stay,
> or maybe, will be converted slowly.

I'll take a stab to convert them ASAP, and add s_uuid support for you
to more file systems once this initial series is done.

> 
> Considering this, perhaps we should have a helper/macro to copy from
> char[16] to *uuid_t and maybe  BUILD_BUG_ON the size comparison?
> #define bytes_to_uuid(dst, src) ...

If the mix of proper types and u8 arrays was to stay that'd be the way
to go, but I'd rather fix things up in a merge window or two instead
of leaving us in a transitionary state forever.

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Shaohua Li <shli@kernel.org>,
	Dan Williams <dan.j.williams@intel.com>,
	David Howells <dhowells@redhat.com>,
	Steven Whitehouse <swhiteho@redhat.com>,
	Mimi Zohar <zohar@linux.vnet.ibm.com>,
	linux-xfs <linux-xfs@vger.kernel.org>,
	linux-raid@vger.kernel.org, linux-nvdimm@lists.01.org,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 16/16] fs: switch ->s_uuid to uuid_t
Date: Thu, 11 May 2017 09:58:25 +0200	[thread overview]
Message-ID: <20170511075825.GB19837@lst.de> (raw)
In-Reply-To: <CAOQ4uxga2U6OS8N5MnBoytyWP8Fbf8qQCS1cnsPqjoby=Mxc1w@mail.gmail.com>

On Wed, May 10, 2017 at 10:08:25PM +0300, Amir Goldstein wrote:
> On Wed, May 10, 2017 at 9:02 PM, Christoph Hellwig <hch@lst.de> wrote:
> > For some file systems we still memcpy into it, but in various places this
> > already allows us to use the proper uuid helpers.  More to come..
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
> > ---
> 
> Series looks good!
> 
> My main concern is that filesystems with char uuid[16] are here to stay,
> or maybe, will be converted slowly.

I'll take a stab to convert them ASAP, and add s_uuid support for you
to more file systems once this initial series is done.

> 
> Considering this, perhaps we should have a helper/macro to copy from
> char[16] to *uuid_t and maybe  BUILD_BUG_ON the size comparison?
> #define bytes_to_uuid(dst, src) ...

If the mix of proper types and u8 arrays was to stay that'd be the way
to go, but I'd rather fix things up in a merge window or two instead
of leaving us in a transitionary state forever.

  reply	other threads:[~2017-05-11  7:58 UTC|newest]

Thread overview: 115+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-10 18:01 cleanup UUID types Christoph Hellwig
2017-05-10 18:01 ` Christoph Hellwig
2017-05-10 18:01 ` Christoph Hellwig
2017-05-10 18:01 ` Christoph Hellwig
2017-05-10 18:01 ` [PATCH 01/16] xfs: use uuid_copy() helper to abstract uuid_t Christoph Hellwig
2017-05-10 18:01   ` Christoph Hellwig
2017-05-10 18:01   ` Christoph Hellwig
2017-05-10 18:01   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 02/16] xfs: use uuid_be to implement the uuid_t type Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 03/16] uuid: rename uuid types Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 19:15   ` Amir Goldstein
2017-05-10 19:15     ` Amir Goldstein
2017-05-10 19:15     ` Amir Goldstein
2017-05-10 19:15     ` Amir Goldstein
2017-05-11  7:59     ` Christoph Hellwig
2017-05-11  7:59       ` Christoph Hellwig
2017-05-11  7:59       ` Christoph Hellwig
2017-05-11  7:59       ` Christoph Hellwig
2017-05-11  8:31       ` Amir Goldstein
2017-05-11  8:31         ` Amir Goldstein
2017-05-11  8:31         ` Amir Goldstein
2017-05-11  8:31         ` Amir Goldstein
2017-05-10 18:02 ` [PATCH 04/16] uuid: don't export guid_index and uuid_index Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 05/16] uuid: add the v1 layout to uuid_t Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-11 11:40   ` Andy Shevchenko
2017-05-11 11:40     ` Andy Shevchenko
2017-05-11 11:40     ` Andy Shevchenko
2017-05-11 11:40     ` Andy Shevchenko
2017-05-11 12:07     ` Christoph Hellwig
2017-05-11 12:07       ` Christoph Hellwig
2017-05-11 12:07       ` Christoph Hellwig
2017-05-11 12:07       ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 06/16] afs: switch to use uuid_t and uuid_gen Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 07/16] uuid: remove struct uuid_v1 Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 08/16] xfs: remove uuid_getnodeuniq and xfs_uu_t Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 09/16] md: namespace private helper names Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 10/16] uuid: hoist helpers uuid_equal() and uuid_copy() from xfs Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 11/16] uuid: hoist uuid_is_null() helper from libnvdimm Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 12/16] xfs: use the common helper uuid_is_null() Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 13/16] block: remove blk_part_pack_uuid Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 14/16] " Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:09   ` Christoph Hellwig
2017-05-10 18:09     ` Christoph Hellwig
2017-05-10 18:09     ` Christoph Hellwig
2017-05-10 18:09     ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 15/16] ima/policy: switch to use uuid_t Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 16/16] fs: switch ->s_uuid to uuid_t Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 18:02   ` Christoph Hellwig
2017-05-10 19:08   ` Amir Goldstein
2017-05-10 19:08     ` Amir Goldstein
2017-05-10 19:08     ` Amir Goldstein
2017-05-10 19:08     ` Amir Goldstein
2017-05-11  7:58     ` Christoph Hellwig [this message]
2017-05-11  7:58       ` Christoph Hellwig
2017-05-11  7:58       ` Christoph Hellwig
2017-05-11  7:58       ` Christoph Hellwig
2017-05-10 18:20 ` [PATCH 03/16] uuid: rename uuid types David Howells
2017-05-10 18:20   ` David Howells
2017-05-10 18:20   ` David Howells
2017-05-10 18:20   ` David Howells
2017-05-11 11:38   ` Andy Shevchenko
2017-05-11 11:38     ` Andy Shevchenko
2017-05-11 11:38     ` Andy Shevchenko
2017-05-11 11:38     ` Andy Shevchenko
2017-05-10 18:21 ` [PATCH 05/16] uuid: add the v1 layout to uuid_t David Howells
2017-05-10 18:21   ` David Howells
2017-05-10 18:21   ` David Howells
2017-05-10 18:21   ` David Howells
2017-05-10 18:22 ` [PATCH 06/16] afs: switch to use uuid_t and uuid_gen David Howells
2017-05-10 18:22   ` David Howells
2017-05-10 18:22   ` David Howells
2017-05-10 18:22   ` David Howells

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=20170511075825.GB19837@lst.de \
    --to=hch@lst.de \
    --cc=amir73il@gmail.com \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=dhowells@redhat.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-nvdimm@lists.01.org \
    --cc=linux-raid@vger.kernel.org \
    --cc=linux-xfs@vger.kernel.org \
    --cc=shli@kernel.org \
    --cc=swhiteho@redhat.com \
    --cc=zohar@linux.vnet.ibm.com \
    /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.