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Hallyn" , Stephen Smalley , Eric Paris , Kent Overstreet , Brian Foster Date: Wed, 4 Oct 2023 14:52:21 -0400 Message-ID: <20231004185221.80802-1-jlayton@kernel.org> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-Headers-End: 1qo6zK-001lLr-Ua Subject: [f2fs-dev] [PATCH v2 00/89] fs: new accessor methods for inode atime and mtime X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jfs-discussion@lists.sourceforge.net, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, gfs2@lists.linux.dev, linux-mm@kvack.org, linux-mtd@lists.infradead.org, linux-hardening@vger.kernel.org, linux-afs@lists.infradead.org, linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-rdma@vger.kernel.org, linux-unionfs@vger.kernel.org, codalist@coda.cs.cmu.edu, linux-bcachefs@vger.kernel.org, linux-serial@vger.kernel.org, linux-ext4@vger.kernel.org, devel@lists.orangefs.org, linux-trace-kernel@vger.kernel.org, linux-cifs@vger.kernel.org, selinux@vger.kernel.org, apparmor@lists.ubuntu.com, autofs@vger.kernel.org, linux-um@lists.infradead.org, reiserfs-devel@vger.kernel.org, ocfs2-devel@lists.linux.dev, ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, linuxppc-dev@lists.ozlabs.org, v9fs@lists.linux.dev, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-security-module@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, ntfs3@lists.linux.dev, linux-erofs@lists.ozlabs.org, linux-karma-devel@lists.sourceforge.net, linux-btrfs@vger.kernel.org Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net v2: - bugfix in mtime handling - incorporate _sec and _nsec accessor functions (Chuck Lever) - move i_generation to plug hole after changing timestamps (Amir Goldstein) While working on the multigrain timestamp changes, Linus suggested adding some similar wrappers for accessing the atime and mtime that we have for the ctime. With that, we could then move to using discrete integers instead of struct timespec64 in struct inode and shrink it. This patch implements this. Linus suggested using macros for the new accessors, but the existing ctime wrappers were static inlines and since there are only 3 different timestamps, I didn't see that trying to fiddle with macros would gain us anything (other than less verbosity in fs.h). The second to last patch makes the conversion to discrete integers, which shaves 8 bytes off of struct inode on my x86_64 kernel. The last patch reshuffles things a little to keep the i_lock in the same cacheline as the fields it protects. About 75% of this conversion was done with coccinelle, with the rest done by hand. I think we probably ought to try to get everything but the last two patches into v6.7 (though we could consider those too if we're feeling lucky). Jeff Layton (89): fs: new accessor methods for atime and mtime fs: convert core infrastructure to new timestamp accessors spufs: convert to new timestamp accessors hypfs: convert to new timestamp accessors android: convert to new timestamp accessors char: convert to new timestamp accessors qib: convert to new timestamp accessors ibmasm: convert to new timestamp accessors misc: convert to new timestamp accessors x86: convert to new timestamp accessors tty: convert to new timestamp accessors function: convert to new timestamp accessors legacy: convert to new timestamp accessors usb: convert to new timestamp accessors 9p: convert to new timestamp accessors adfs: convert to new timestamp accessors affs: convert to new timestamp accessors afs: convert to new timestamp accessors autofs: convert to new timestamp accessors bcachefs: convert to new timestamp accessors befs: convert to new timestamp accessors bfs: convert to new timestamp accessors btrfs: convert to new timestamp accessors ceph: convert to new timestamp accessors coda: convert to new timestamp accessors configfs: convert to new timestamp accessors cramfs: convert to new timestamp accessors debugfs: convert to new timestamp accessors devpts: convert to new timestamp accessors efivarfs: convert to new timestamp accessors efs: convert to new timestamp accessors erofs: convert to new timestamp accessors exfat: convert to new timestamp accessors ext2: convert to new timestamp accessors ext4: convert to new timestamp accessors f2fs: convert to new timestamp accessors fat: convert to new timestamp accessors freevxfs: convert to new timestamp accessors fuse: convert to new timestamp accessors gfs2: convert to new timestamp accessors hfs: convert to new timestamp accessors hfsplus: convert to new timestamp accessors hostfs: convert to new timestamp accessors hpfs: convert to new timestamp accessors hugetlbfs: convert to new timestamp accessors isofs: convert to new timestamp accessors jffs2: convert to new timestamp accessors jfs: convert to new timestamp accessors kernfs: convert to new timestamp accessors minix: convert to new timestamp accessors nfs: convert to new timestamp accessors nfsd: convert to new timestamp accessors nilfs2: convert to new timestamp accessors ntfs: convert to new timestamp accessors ntfs3: convert to new timestamp accessors ocfs2: convert to new timestamp accessors omfs: convert to new timestamp accessors openpromfs: convert to new timestamp accessors orangefs: convert to new timestamp accessors overlayfs: convert to new timestamp accessors proc: convert to new timestamp accessors pstore: convert to new timestamp accessors qnx4: convert to new timestamp accessors qnx6: convert to new timestamp accessors ramfs: convert to new timestamp accessors reiserfs: convert to new timestamp accessors romfs: convert to new timestamp accessors client: convert to new timestamp accessors server: convert to new timestamp accessors squashfs: convert to new timestamp accessors sysv: convert to new timestamp accessors tracefs: convert to new timestamp accessors ubifs: convert to new timestamp accessors udf: convert to new timestamp accessors ufs: convert to new timestamp accessors vboxsf: convert to new timestamp accessors xfs: convert to new timestamp accessors zonefs: convert to new timestamp accessors linux: convert to new timestamp accessors ipc: convert to new timestamp accessors bpf: convert to new timestamp accessors mm: convert to new timestamp accessors sunrpc: convert to new timestamp accessors apparmor: convert to new timestamp accessors selinux: convert to new timestamp accessors security: convert to new timestamp accessors fs: rename inode i_atime and i_mtime fields fs: switch timespec64 fields in inode to discrete integers fs: move i_generation into new hole created after timestamp conversion arch/powerpc/platforms/cell/spufs/inode.c | 2 +- arch/s390/hypfs/inode.c | 4 +- drivers/android/binderfs.c | 8 +- drivers/char/sonypi.c | 2 +- drivers/infiniband/hw/qib/qib_fs.c | 4 +- drivers/misc/ibmasm/ibmasmfs.c | 2 +- drivers/misc/ibmvmc.c | 2 +- drivers/platform/x86/sony-laptop.c | 2 +- drivers/tty/tty_io.c | 10 +- drivers/usb/core/devio.c | 26 +++-- drivers/usb/gadget/function/f_fs.c | 4 +- drivers/usb/gadget/legacy/inode.c | 2 +- fs/9p/vfs_inode.c | 6 +- fs/9p/vfs_inode_dotl.c | 16 +-- fs/adfs/inode.c | 13 ++- fs/affs/amigaffs.c | 4 +- fs/affs/inode.c | 17 ++- fs/afs/dynroot.c | 2 +- fs/afs/inode.c | 8 +- fs/afs/write.c | 2 +- fs/attr.c | 4 +- fs/autofs/inode.c | 2 +- fs/autofs/root.c | 6 +- fs/bad_inode.c | 2 +- fs/bcachefs/fs.c | 12 +-- fs/befs/linuxvfs.c | 10 +- fs/bfs/dir.c | 9 +- fs/bfs/inode.c | 12 +-- fs/binfmt_misc.c | 2 +- fs/btrfs/delayed-inode.c | 20 ++-- fs/btrfs/file.c | 18 ++-- fs/btrfs/inode.c | 43 ++++---- fs/btrfs/reflink.c | 2 +- fs/btrfs/transaction.c | 3 +- fs/btrfs/tree-log.c | 12 +-- fs/ceph/addr.c | 10 +- fs/ceph/caps.c | 4 +- fs/ceph/file.c | 2 +- fs/ceph/inode.c | 64 ++++++------ fs/ceph/mds_client.c | 8 +- fs/ceph/snap.c | 4 +- fs/coda/coda_linux.c | 6 +- fs/coda/dir.c | 2 +- fs/coda/file.c | 2 +- fs/configfs/inode.c | 8 +- fs/cramfs/inode.c | 4 +- fs/debugfs/inode.c | 2 +- fs/devpts/inode.c | 6 +- fs/efivarfs/file.c | 2 +- fs/efivarfs/inode.c | 2 +- fs/efs/inode.c | 5 +- fs/erofs/inode.c | 3 +- fs/exfat/exfat_fs.h | 1 + fs/exfat/file.c | 7 +- fs/exfat/inode.c | 31 +++--- fs/exfat/misc.c | 8 ++ fs/exfat/namei.c | 31 +++--- fs/exfat/super.c | 4 +- fs/ext2/dir.c | 6 +- fs/ext2/ialloc.c | 2 +- fs/ext2/inode.c | 13 ++- fs/ext2/super.c | 2 +- fs/ext4/ext4.h | 20 +++- fs/ext4/extents.c | 11 +- fs/ext4/ialloc.c | 4 +- fs/ext4/inline.c | 4 +- fs/ext4/inode.c | 19 ++-- fs/ext4/ioctl.c | 13 ++- fs/ext4/namei.c | 10 +- fs/ext4/super.c | 2 +- fs/ext4/xattr.c | 8 +- fs/f2fs/dir.c | 6 +- fs/f2fs/f2fs.h | 10 +- fs/f2fs/file.c | 14 +-- fs/f2fs/inline.c | 2 +- fs/f2fs/inode.c | 24 ++--- fs/f2fs/namei.c | 4 +- fs/f2fs/recovery.c | 8 +- fs/f2fs/super.c | 2 +- fs/fat/inode.c | 25 +++-- fs/fat/misc.c | 6 +- fs/freevxfs/vxfs_inode.c | 6 +- fs/fuse/control.c | 2 +- fs/fuse/dir.c | 10 +- fs/fuse/inode.c | 29 +++--- fs/fuse/readdir.c | 6 +- fs/gfs2/bmap.c | 10 +- fs/gfs2/dir.c | 10 +- fs/gfs2/glops.c | 11 +- fs/gfs2/inode.c | 7 +- fs/gfs2/quota.c | 2 +- fs/gfs2/super.c | 12 +-- fs/hfs/catalog.c | 8 +- fs/hfs/inode.c | 16 +-- fs/hfs/sysdep.c | 10 +- fs/hfsplus/catalog.c | 8 +- fs/hfsplus/inode.c | 22 ++-- fs/hostfs/hostfs_kern.c | 12 ++- fs/hpfs/dir.c | 12 ++- fs/hpfs/inode.c | 16 +-- fs/hpfs/namei.c | 22 ++-- fs/hpfs/super.c | 10 +- fs/hugetlbfs/inode.c | 10 +- fs/inode.c | 35 ++++--- fs/isofs/inode.c | 4 +- fs/isofs/rock.c | 18 ++-- fs/jffs2/dir.c | 35 ++++--- fs/jffs2/file.c | 4 +- fs/jffs2/fs.c | 20 ++-- fs/jffs2/os-linux.h | 4 +- fs/jfs/inode.c | 2 +- fs/jfs/jfs_imap.c | 20 ++-- fs/jfs/jfs_inode.c | 4 +- fs/jfs/namei.c | 20 ++-- fs/jfs/super.c | 2 +- fs/kernfs/inode.c | 6 +- fs/libfs.c | 41 ++++++-- fs/minix/bitmap.c | 2 +- fs/minix/dir.c | 6 +- fs/minix/inode.c | 17 ++- fs/minix/itree_common.c | 2 +- fs/nfs/callback_proc.c | 2 +- fs/nfs/fscache.h | 4 +- fs/nfs/inode.c | 30 +++--- fs/nfsd/blocklayout.c | 3 +- fs/nfsd/nfs3proc.c | 4 +- fs/nfsd/nfs4proc.c | 8 +- fs/nfsd/nfsctl.c | 2 +- fs/nfsd/vfs.c | 2 +- fs/nilfs2/dir.c | 6 +- fs/nilfs2/inode.c | 20 ++-- fs/nsfs.c | 2 +- fs/ntfs/inode.c | 25 ++--- fs/ntfs/mft.c | 2 +- fs/ntfs3/file.c | 6 +- fs/ntfs3/frecord.c | 11 +- fs/ntfs3/inode.c | 25 +++-- fs/ntfs3/namei.c | 4 +- fs/ocfs2/acl.c | 4 +- fs/ocfs2/alloc.c | 6 +- fs/ocfs2/aops.c | 6 +- fs/ocfs2/dir.c | 9 +- fs/ocfs2/dlmfs/dlmfs.c | 4 +- fs/ocfs2/dlmglue.c | 29 +++--- fs/ocfs2/file.c | 30 +++--- fs/ocfs2/inode.c | 28 ++--- fs/ocfs2/move_extents.c | 4 +- fs/ocfs2/namei.c | 16 +-- fs/ocfs2/refcounttree.c | 12 +-- fs/ocfs2/xattr.c | 4 +- fs/omfs/inode.c | 12 +-- fs/openpromfs/inode.c | 4 +- fs/orangefs/orangefs-utils.c | 16 +-- fs/overlayfs/file.c | 9 +- fs/overlayfs/inode.c | 3 +- fs/overlayfs/util.c | 4 +- fs/pipe.c | 2 +- fs/proc/base.c | 2 +- fs/proc/inode.c | 2 +- fs/proc/proc_sysctl.c | 2 +- fs/proc/self.c | 2 +- fs/proc/thread_self.c | 2 +- fs/pstore/inode.c | 5 +- fs/qnx4/inode.c | 6 +- fs/qnx6/inode.c | 6 +- fs/ramfs/inode.c | 7 +- fs/reiserfs/inode.c | 26 ++--- fs/reiserfs/namei.c | 8 +- fs/reiserfs/stree.c | 5 +- fs/reiserfs/super.c | 2 +- fs/romfs/super.c | 3 +- fs/smb/client/file.c | 18 ++-- fs/smb/client/fscache.h | 6 +- fs/smb/client/inode.c | 17 ++- fs/smb/client/smb2ops.c | 6 +- fs/smb/server/smb2pdu.c | 8 +- fs/squashfs/inode.c | 6 +- fs/stack.c | 4 +- fs/stat.c | 4 +- fs/sysv/dir.c | 6 +- fs/sysv/ialloc.c | 2 +- fs/sysv/inode.c | 12 +-- fs/sysv/itree.c | 2 +- fs/tracefs/inode.c | 2 +- fs/ubifs/debug.c | 12 +-- fs/ubifs/dir.c | 23 +++-- fs/ubifs/file.c | 16 +-- fs/ubifs/journal.c | 12 +-- fs/ubifs/super.c | 8 +- fs/udf/ialloc.c | 4 +- fs/udf/inode.c | 38 ++++--- fs/udf/namei.c | 16 +-- fs/ufs/dir.c | 6 +- fs/ufs/ialloc.c | 2 +- fs/ufs/inode.c | 42 ++++---- fs/vboxsf/utils.c | 15 +-- fs/xfs/libxfs/xfs_inode_buf.c | 10 +- fs/xfs/libxfs/xfs_rtbitmap.c | 6 +- fs/xfs/libxfs/xfs_trans_inode.c | 2 +- fs/xfs/xfs_bmap_util.c | 7 +- fs/xfs/xfs_inode.c | 4 +- fs/xfs/xfs_inode_item.c | 4 +- fs/xfs/xfs_iops.c | 8 +- fs/xfs/xfs_itable.c | 12 +-- fs/xfs/xfs_rtalloc.c | 30 +++--- fs/zonefs/super.c | 10 +- include/linux/fs.h | 120 +++++++++++++++++----- include/linux/fs_stack.h | 6 +- ipc/mqueue.c | 19 ++-- kernel/bpf/inode.c | 5 +- mm/shmem.c | 20 ++-- net/sunrpc/rpc_pipe.c | 2 +- security/apparmor/apparmorfs.c | 7 +- security/apparmor/policy_unpack.c | 4 +- security/inode.c | 2 +- security/selinux/selinuxfs.c | 2 +- 216 files changed, 1220 insertions(+), 1000 deletions(-)