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Message-ID: <ZJ9TW9MQmlqmbRU/@bombadil.infradead.org>
Date:   Fri, 30 Jun 2023 15:12:43 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     Jeremy Kerr <jk@...abs.org>, Arnd Bergmann <arnd@...db.de>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Christian Brauner <brauner@...nel.org>,
        Carlos Llamas <cmllamas@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Leon Romanovsky <leon@...nel.org>,
        Brad Warrum <bwarrum@...ux.ibm.com>,
        Ritu Agarwal <rituagar@...ux.ibm.com>,
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        Joel Becker <jlbec@...lplan.org>,
        Christoph Hellwig <hch@....de>,
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        "Rafael J. Wysocki" <rafael@...nel.org>,
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Subject: Re: [PATCH 01/79] fs: add ctime accessors infrastructure

On Wed, Jun 21, 2023 at 10:45:06AM -0400, Jeff Layton wrote:
> struct timespec64 has unused bits in the tv_nsec field that can be used
> for other purposes. In future patches, we're going to change how the
> inode->i_ctime is accessed in certain inodes in order to make use of
> them. In order to do that safely though, we'll need to eradicate raw
> accesses of the inode->i_ctime field from the kernel.
> 
> Add new accessor functions for the ctime that we can use to replace them.
> 
> Signed-off-by: Jeff Layton <jlayton@...nel.org>

Reviewed-by: Luis Chamberlain <mcgrof@...nel.org>

  Luis

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