linux-kernel - Re: [PATCH 10/15] IB/core: disable memory registration of fileystem-dax vmas

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Message-ID: <20171102201356.GD5732@lst.de>
Date:   Thu, 2 Nov 2017 21:13:56 +0100
From:   Christoph Hellwig <hch@....de>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     linux-nvdimm@...ts.01.org, Sean Hefty <sean.hefty@...el.com>,
        linux-xfs@...r.kernel.org, akpm@...ux-foundation.org,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jeff Moyer <jmoyer@...hat.com>, stable@...r.kernel.org,
        hch@....de, Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        linux-mm@...ck.org, Doug Ledford <dledford@...hat.com>,
        linux-fsdevel@...r.kernel.org,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>
Subject: Re: [PATCH 10/15] IB/core: disable memory registration of
        fileystem-dax vmas

Any chance we could add a new get_user_pages_longerm or similar
helper instead of opencoding this in the various callers?