linux-kernel - Re: make alloc_anon

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Message-ID: <20210310083231.GB5217@lst.de>
Date:   Wed, 10 Mar 2021 09:32:31 +0100
From:   Christoph Hellwig <hch@....de>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     Christoph Hellwig <hch@....de>, Al Viro <viro@...iv.linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Daniel Vetter <daniel@...ll.ch>, Nadav Amit <namit@...are.com>,
        "VMware, Inc." <pv-drivers@...are.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        David Hildenbrand <david@...hat.com>,
        Minchan Kim <minchan@...nel.org>,
        Nitin Gupta <ngupta@...are.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: make alloc_anon_inode more useful

On Tue, Mar 09, 2021 at 12:54:52PM -0400, Jason Gunthorpe wrote:
> On Tue, Mar 09, 2021 at 04:53:39PM +0100, Christoph Hellwig wrote:
> > Hi all,
> > 
> > this series first renames the existing alloc_anon_inode to
> > alloc_anon_inode_sb to clearly mark it as requiring a superblock.
> > 
> > It then adds a new alloc_anon_inode that works on the anon_inode
> > file system super block, thus removing tons of boilerplate code.
> > 
> > The few remainig callers of alloc_anon_inode_sb all use alloc_file_pseudo
> > later, but might also be ripe for some cleanup.
> 
> I like it
> 
> For a submission plan can we have this on a git branch please? I will
> need a copy for RDMA and Alex will need one for vfio..

anon_inode.c stuff seems to mostly go through Al's tree, but also various
others.  So best would be if Al has a branch, but I could also set one up.