On Sep 1, 2026 Christian Brauner <[email protected]> wrote: > > Convert to const struct mnt_idmap. > > A mount's idmapping is immutable. The only thing that is allowed to be > modified afterwards is the reference count and that is hidden behind > mnt_idmap_get() and mnt_idmap_put(). Everything else only ever reads > from the idmapping. This is the same model that struct cred uses and the > idmapping is also rather sensitive. > > So make the idmap argument const wherever we can. The conversion is done > from the bottom up so callers can continue to pass a non-const pointer > to a const parameter until the conversion is finished. > > No functional changes. > > Signed-off-by: Christian Brauner (Amutable) <[email protected]> > Reviewed-by: Jan Kara <[email protected]> > --- > Documentation/filesystems/locking.rst | 2 +- > Documentation/filesystems/vfs.rst | 2 +- > fs/afs/internal.h | 2 +- > fs/afs/security.c | 2 +- > fs/attr.c | 2 +- > fs/autofs/root.c | 4 ++-- > fs/bad_inode.c | 2 +- > fs/btrfs/inode.c | 2 +- > fs/btrfs/ioctl.c | 2 +- > fs/ceph/inode.c | 2 +- > fs/ceph/super.h | 2 +- > fs/coda/coda_linux.h | 2 +- > fs/coda/dir.c | 2 +- > fs/coda/pioctl.c | 4 ++-- > fs/ecryptfs/inode.c | 2 +- > fs/failfs.c | 2 +- > fs/fuse/dir.c | 2 +- > fs/gfs2/inode.c | 2 +- > fs/gfs2/inode.h | 2 +- > fs/hostfs/hostfs_kern.c | 2 +- > fs/internal.h | 2 +- > fs/kernfs/inode.c | 2 +- > fs/kernfs/kernfs-internal.h | 2 +- > fs/namei.c | 22 +++++++++++----------- > fs/nfs/dir.c | 2 +- > fs/nilfs2/inode.c | 2 +- > fs/nilfs2/nilfs.h | 2 +- > fs/ocfs2/file.c | 2 +- > fs/ocfs2/file.h | 2 +- > fs/orangefs/inode.c | 2 +- > fs/orangefs/orangefs-kernel.h | 2 +- > fs/overlayfs/inode.c | 2 +- > fs/overlayfs/overlayfs.h | 2 +- > fs/proc/base.c | 4 ++-- > fs/proc/fd.c | 4 ++-- > fs/proc/fd.h | 2 +- > fs/proc/proc_sysctl.c | 2 +- > fs/smb/client/cifsfs.c | 2 +- > fs/smb/server/vfs.c | 2 +- > fs/smb/server/vfs.h | 2 +- > fs/tracefs/inode.c | 2 +- > include/linux/fs.h | 8 ++++---- > include/linux/nfs_fs.h | 2 +- > security/selinux/selinuxfs.c | 2 +- > 44 files changed, 61 insertions(+), 61 deletions(-)
Acked-by: Paul Moore <[email protected]> (SELinux) -- paul-moore.com

