linux-hardening - Re: [PATCH 10/19] USB: gadget/legacy: remove sb

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Date:   Thu, 14 Sep 2023 13:22:59 +0300
From:   Sergey Shtylyov <s.shtylyov@....ru>
To:     Christoph Hellwig <hch@....de>,
        Christian Brauner <brauner@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>
CC:     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 10/19] USB: gadget/legacy: remove sb_mutex

On 9/13/23 2:10 PM, Christoph Hellwig wrote:

> Creating new a new super_block vs freeing the old one for single instance
           ^^^^^^^^^
   I can't parse that. :-)

> file systems is serialized by the wait for SB_DEAD.
> 
> Remove the superfluous sb_mutex.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
[...]

MBR, Sergey