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Re: [PATCH v2 07/92] fs: add ctime accessors infrastructure Content-Language: en-US To: Jeff Layton , jk@ozlabs.org, arnd@arndb.de, mpe@ellerman.id.au, npiggin@gmail.com, christophe.leroy@csgroup.eu, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, gregkh@linuxfoundation.org, arve@android.com, tkjos@android.com, maco@android.com, joel@joelfernandes.org, brauner@kernel.org, cmllamas@google.com, surenb@google.com, dennis.dalessandro@cornelisnetworks.com, jgg@ziepe.ca, leon@kernel.org, bwarrum@linux.ibm.com, rituagar@linux.ibm.com, ericvh@kernel.org, lucho@ionkov.net, asmadeus@codewreck.org, linux_oss@crudebyte.com, dsterba@suse.com, dhowells@redhat.com, marc.dionne@auristor.com, viro@zeniv.linux.org.uk, raven@themaw.net, luisbg@kernel.org, salah.triki@gmail.com, aivazian.tigran@gmail.com, ebiederm@xmission.com, keescook@chromium.org, clm@fb.com, josef@toxicpanda.com, xiubli@redhat.com, idryomov@gmail.com, jaharkes@cs.cmu.edu, 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linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, linux-rdma@vger.kernel.org, linux-usb@vger.kernel.org, v9fs@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-afs@lists.infradead.org, autofs@vger.kernel.org, linux-mm@kvack.org, linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org, codalist@coda.cs.cmu.edu, ecryptfs@vger.kernel.org, linux-efi@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-um@lists.infradead.org, linux-mtd@lists.infradead.org, jfs-discussion@lists.sourceforge.net, linux-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, ntfs3@lists.linux.dev, ocfs2-devel@lists.linux.dev, linux-karma-devel@lists.sourceforge.net, devel@lists.orangefs.org, linux-unionfs@vger.kernel.org, linux-hardening@vger.kernel.org, reiserfs-devel@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.001492, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 7/6/23 03:58, 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 use to replace them. > > Reviewed-by: Jan Kara > Reviewed-by: Luis Chamberlain > Signed-off-by: Jeff Layton Looks OK to me. Reviewed-by: Damien Le Moal -- Damien Le Moal Western Digital Research