linux-kernel - RE: [GIT PULL] iomap: new code for 5.13-rc1

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Date:   Fri, 30 Apr 2021 06:13:40 +0000
From:   Justin He <Justin.He@....com>
To:     Al Viro <viro@...iv.linux.org.uk>
CC:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Christoph Hellwig <hch@....de>,
        "Darrick J. Wong" <djwong@...nel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-xfs <linux-xfs@...r.kernel.org>,
        Dave Chinner <david@...morbit.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Eric Sandeen <sandeen@...deen.net>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: RE: [GIT PULL] iomap: new code for 5.13-rc1

Hi Al Viro

> -----Original Message-----
> From: Al Viro <viro@....linux.org.uk> On Behalf Of Al Viro
> Sent: Friday, April 30, 2021 11:21 AM
> To: Justin He <Justin.He@....com>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>; Rasmus Villemoes
> <linux@...musvillemoes.dk>; Christoph Hellwig <hch@....de>; Darrick J. Wong
> <djwong@...nel.org>; linux-fsdevel <linux-fsdevel@...r.kernel.org>; linux-
> xfs <linux-xfs@...r.kernel.org>; Dave Chinner <david@...morbit.com>; Linux
> Kernel Mailing List <linux-kernel@...r.kernel.org>; Eric Sandeen
> <sandeen@...deen.net>; Andy Shevchenko <andy.shevchenko@...il.com>
> Subject: Re: [GIT PULL] iomap: new code for 5.13-rc1
>
> On Fri, Apr 30, 2021 at 03:17:02AM +0000, Justin He wrote:
>
> > Is it a good idea to introduce a new d_path_nolock() for
> file_dentry_name()?
> > In d_path_nolock(), if it detects that there is conflicts with mount_lock
> > or rename_lock, then returned NULL as a name of that vfsmount?
>
> Just what does vfsmount have to do with rename_lock?  And what's the point
> of the entire mess, anyway?

Sorry, do you suggest not considering rename_lock/mount_lock at all for file_dentry_name()?

--
Cheers,
Justin (Jia He)


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