linux-hardening - Re: [PATCH 06/19] qibfs: use simple_release

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Date:   Mon, 18 Sep 2023 14:41:29 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Christian Brauner <brauner@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
        Tejun Heo <tj@...nel.org>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Damien Le Moal <dlemoal@...nel.org>,
        Naohiro Aota <naohiro.aota@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-s390@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-nfs@...r.kernel.org, linux-hardening@...r.kernel.org,
        cgroups@...r.kernel.org
Subject: Re: [PATCH 06/19] qibfs: use simple_release_fs

On Wed, Sep 13, 2023 at 08:10:00AM -0300, Christoph Hellwig wrote:
> qibfs currently has convoluted code to allow registering HCAs while qibfs
> is not mounted and vice versa.  Switch to using simple_release_fs every
> time an entry is added to pin the fs instance and remove all the boiler
> plate code.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  drivers/infiniband/hw/qib/qib.h      |   4 +-
>  drivers/infiniband/hw/qib/qib_fs.c   | 105 ++++++---------------------
>  drivers/infiniband/hw/qib/qib_init.c |  32 +++-----
>  3 files changed, 36 insertions(+), 105 deletions(-)
> 

Thanks,
Reviewed-by: Leon Romanovsky <leon@...nel.org>