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From: Andrew Price <anprice@redhat.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] gfs2 on-disk headers in user space
Date: Fri, 11 Sep 2015 12:57:13 +0100	[thread overview]
Message-ID: <55F2C199.40302@redhat.com> (raw)
In-Reply-To: <CAHpGcMJ_H3CWx919d_yMaNJ0bzUhHXLUH-iPO0ZW1qjnxDQOkQ@mail.gmail.com>

On 11/09/15 12:40, Andreas Gr?nbacher wrote:
> 2015-09-11 13:28 GMT+02:00 Andrew Price <anprice@redhat.com>:
>> That makes sense to me. I assume we would remove the #include
>> <linux/types.h> from gfs2_ondisk.h and replace it with our own user space
>> types header. I'm worried about clashes using the kernel type names though,
>> so we might need to process the header somehow to change them.
>
> We could substitute the __beX types with uintX_t on import; also we
> could warn if the system header exists but in a different version than
> what's "cached" in gfs2-utils.

That sounds like a good direction to go, but it would be good to keep 
big-endian types separate from native-endian types with __bitwise so 
that mixing endianness will be picked up by a static checker. I believe 
that was Steve's main concern last time we discussed this.

Andy



      reply	other threads:[~2015-09-11 11:57 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-09 15:55 [Cluster-devel] [PATCH 1/2] libgfs2: Add support for dirent.de_rahead Andreas Gruenbacher
2015-09-09 15:55 ` [Cluster-devel] [PATCH 2/2] gfs2_edit: Include dirent.de_rahead in directory listings Andreas Gruenbacher
2015-09-09 16:27   ` Andrew Price
2015-09-10 11:07     ` Andrew Price
2015-09-10 12:51       ` Andreas Grünbacher
2015-09-10 22:04     ` Andreas Gruenbacher
2015-09-10 22:05       ` [Cluster-devel] [PATCH 1/2] gfs2: Fix printf format errors on x86 Andreas Gruenbacher
2015-09-10 22:05         ` [Cluster-devel] [PATCH 2/2] gfs2_edit: Add attribute printf for print_gfs2 Andreas Gruenbacher
2015-09-11 10:45           ` Andrew Price
2015-09-11 10:45       ` [Cluster-devel] [PATCH 2/2] gfs2_edit: Include dirent.de_rahead in directory listings Andrew Price
2015-09-11 11:02         ` Andreas Gruenbacher
2015-09-11 11:28           ` [Cluster-devel] gfs2 on-disk headers in user space Andrew Price
2015-09-11 11:40             ` Andreas Grünbacher
2015-09-11 11:57               ` Andrew Price [this message]

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