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From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: Sagi Grimberg
	<sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
	anna.schumaker-HgOvQuBEEgTQT0dZR+AlfA@public.gmane.org,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Linux NFS Mailing List
	<linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v3 04/11] xprtrdma: Move struct ib_send_wr off the stack
Date: Wed, 16 Dec 2015 07:17:55 -0800	[thread overview]
Message-ID: <20151216151755.GA27249@infradead.org> (raw)
In-Reply-To: <D5B6F9FD-FF8F-4F37-A3E5-B287B91B1EA4-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>

On Wed, Dec 16, 2015 at 10:13:31AM -0500, Chuck Lever wrote:
> > Shouldn't be an issue with transparent unions these days:
> > 
> > 	union {
> > 		struct ib_reg_wr                fr_regwr;
> > 		struct ib_send_wr               fr_invwr;
> > 	};
> 
> Right, but isn't that a gcc-ism that Al hates? If
> everyone is OK with that construction, I will use it.

I started out as a GNUism, but now is supported in C11.  We use it
a lot all over the kernel.
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  parent reply	other threads:[~2015-12-16 15:17 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-14 21:17 [PATCH v3 00/11] NFS/RDMA client patches for 4.5 Chuck Lever
     [not found] ` <20151214211317.16295.70115.stgit-FYjufvaPoItvLzlybtyyYzGyq/o6K9yX@public.gmane.org>
2015-12-14 21:17   ` [PATCH v3 01/11] xprtrdma: Fix additional uses of spin_lock_irqsave(rb_lock) Chuck Lever
2015-12-14 21:17   ` [PATCH v3 02/11] xprtrdma: xprt_rdma_free() must not release backchannel reqs Chuck Lever
2015-12-14 21:18   ` [PATCH v3 03/11] xprtrdma: Disable RPC/RDMA backchannel debugging messages Chuck Lever
2015-12-14 21:18   ` [PATCH v3 04/11] xprtrdma: Move struct ib_send_wr off the stack Chuck Lever
     [not found]     ` <20151214211811.16295.47695.stgit-FYjufvaPoItvLzlybtyyYzGyq/o6K9yX@public.gmane.org>
2015-12-16 14:00       ` Sagi Grimberg
     [not found]         ` <56716E6C.4020604-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-16 15:06           ` Chuck Lever
     [not found]             ` <F2E992ED-2698-43DE-B7C5-4F02DA75AE42-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2015-12-16 15:11               ` Christoph Hellwig
     [not found]                 ` <20151216151115.GA16905-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-12-16 15:13                   ` Chuck Lever
     [not found]                     ` <D5B6F9FD-FF8F-4F37-A3E5-B287B91B1EA4-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2015-12-16 15:17                       ` Christoph Hellwig [this message]
2015-12-14 21:18   ` [PATCH v3 05/11] xprtrdma: Introduce ro_unmap_sync method Chuck Lever
2015-12-14 21:18   ` [PATCH v3 06/11] xprtrdma: Add ro_unmap_sync method for FRWR Chuck Lever
     [not found]     ` <20151214211827.16295.76338.stgit-FYjufvaPoItvLzlybtyyYzGyq/o6K9yX@public.gmane.org>
2015-12-16 13:57       ` Sagi Grimberg
     [not found]         ` <56716DE4.8080403-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-12-16 15:09           ` Chuck Lever
2015-12-14 21:18   ` [PATCH v3 07/11] xprtrdma: Add ro_unmap_sync method for FMR Chuck Lever
2015-12-14 21:19   ` [PATCH v3 08/11] xprtrdma: Add ro_unmap_sync method for all-physical registration Chuck Lever
2015-12-14 21:19   ` [PATCH v3 09/11] SUNRPC: Introduce xprt_commit_rqst() Chuck Lever
     [not found]     ` <20151214211915.16295.30339.stgit-FYjufvaPoItvLzlybtyyYzGyq/o6K9yX@public.gmane.org>
2015-12-16 13:48       ` Anna Schumaker
     [not found]         ` <56716BB4.8080500-ZwjVKphTwtPQT0dZR+AlfA@public.gmane.org>
2015-12-16 15:12           ` Chuck Lever
2015-12-14 21:19   ` [PATCH v3 10/11] xprtrdma: Invalidate in the RPC reply handler Chuck Lever
2015-12-14 21:19   ` [PATCH v3 11/11] xprtrdma: Revert commit e7104a2a9606 ('xprtrdma: Cap req_cqinit') Chuck Lever
2015-12-15 19:37   ` [PATCH v3 00/11] NFS/RDMA client patches for 4.5 Anna Schumaker
     [not found]     ` <56706BE0.7010609-ZwjVKphTwtPQT0dZR+AlfA@public.gmane.org>
2015-12-16 12:11       ` Devesh Sharma

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