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Wong" Cc: Dave Chinner , Anthony Iliopoulos , v9fs@lists.linux.dev, linux-kernel@vger.kernel.org, linux-afs@lists.infradead.org, linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org, codalist@coda.cs.cmu.edu, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-nfs@vger.kernel.org, ntfs3@lists.linux.dev, ocfs2-devel@lists.linux.dev, devel@lists.orangefs.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-mtd@lists.infradead.org, linux-mm@kvack.org, linux-xfs@vger.kernel.org, Jeff Layton Subject: Re: [PATCH v6 1/7] fs: pass the request_mask to generic_fillattr In-Reply-To: <20230725-mgctime-v6-1-a794c2b7abca@kernel.org> References: <20230725-mgctime-v6-0-a794c2b7abca@kernel.org> <20230725-mgctime-v6-1-a794c2b7abca@kernel.org> Date: Wed, 02 Aug 2023 15:47:56 -0300 MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Queue-Id: 73A37C0013 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: q76mpmazb3nqc8zzu9q4dbddcmxq8m3y X-HE-Tag: 1691002086-269627 X-HE-Meta: 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 CMV1kBf2 YZZkVv+0PDXpLbVhkXU5d/l/YoG/Buv1CuHskaRQ86yTbZ8W+vLzTNOzTzY1SF6fzkgcVz63DIijOoRxDBUTs/D+fjXTXoAR1jaeYni1pQKG5l7duWUnyGulepa+OHPdRlWFxJffas9hxYrE/qFO2L3pupQGM/E5/VRLajsXoqR7AtMBreYUFCHQ7ooWtuuJOpZZje1R0xq+b1084ULDhOVRkMHmPZ3NMAceukohxJ3kYNaz3/sRtZlpL3g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Jeff Layton writes: > generic_fillattr just fills in the entire stat struct indiscriminately > today, copying data from the inode. There is at least one attribute > (STATX_CHANGE_COOKIE) that can have side effects when it is reported, > and we're looking at adding more with the addition of multigrain > timestamps. > > Add a request_mask argument to generic_fillattr and have most callers > just pass in the value that is passed to getattr. Have other callers > (e.g. ksmbd) just pass in STATX_BASIC_STATS. Also move the setting of > STATX_CHANGE_COOKIE into generic_fillattr. > > Signed-off-by: Jeff Layton > --- > fs/9p/vfs_inode.c | 4 ++-- > fs/9p/vfs_inode_dotl.c | 4 ++-- > fs/afs/inode.c | 2 +- > fs/btrfs/inode.c | 2 +- > fs/ceph/inode.c | 2 +- > fs/coda/inode.c | 3 ++- > fs/ecryptfs/inode.c | 5 +++-- > fs/erofs/inode.c | 2 +- > fs/exfat/file.c | 2 +- > fs/ext2/inode.c | 2 +- > fs/ext4/inode.c | 2 +- > fs/f2fs/file.c | 2 +- > fs/fat/file.c | 2 +- > fs/fuse/dir.c | 2 +- > fs/gfs2/inode.c | 2 +- > fs/hfsplus/inode.c | 2 +- > fs/kernfs/inode.c | 2 +- > fs/libfs.c | 4 ++-- > fs/minix/inode.c | 2 +- > fs/nfs/inode.c | 2 +- > fs/nfs/namespace.c | 3 ++- > fs/ntfs3/file.c | 2 +- > fs/ocfs2/file.c | 2 +- > fs/orangefs/inode.c | 2 +- > fs/proc/base.c | 4 ++-- > fs/proc/fd.c | 2 +- > fs/proc/generic.c | 2 +- > fs/proc/proc_net.c | 2 +- > fs/proc/proc_sysctl.c | 2 +- > fs/proc/root.c | 3 ++- > fs/smb/client/inode.c | 2 +- > fs/smb/server/smb2pdu.c | 22 +++++++++++----------- > fs/smb/server/vfs.c | 3 ++- > fs/stat.c | 18 ++++++++++-------- > fs/sysv/itree.c | 3 ++- > fs/ubifs/dir.c | 2 +- > fs/udf/symlink.c | 2 +- > fs/vboxsf/utils.c | 2 +- > include/linux/fs.h | 2 +- > mm/shmem.c | 2 +- > 40 files changed, 70 insertions(+), 62 deletions(-) > > [...] > > diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c > index 218f03dd3f52..93fe43789d7a 100644 > --- a/fs/smb/client/inode.c > +++ b/fs/smb/client/inode.c > @@ -2540,7 +2540,7 @@ int cifs_getattr(struct mnt_idmap *idmap, const struct path *path, > return rc; > } > > - generic_fillattr(&nop_mnt_idmap, inode, stat); > + generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat); > stat->blksize = cifs_sb->ctx->bsize; > stat->ino = CIFS_I(inode)->uniqueid; Reviewed-by: Paulo Alcantara (SUSE)