VFS_SET
VFS_SET(autofs_vfsops, autofs, VFCF_SYNTHETIC | VFCF_NETWORK);
VFS_SET(cd9660_vfsops, cd9660, VFCF_READONLY);
VFS_SET(devfs_vfsops, devfs, VFCF_SYNTHETIC | VFCF_JAIL);
VFS_SET(ext2fs_vfsops, ext2fs, 0);
VFS_SET(fdesc_vfsops, fdescfs, VFCF_SYNTHETIC | VFCF_JAIL);
VFS_SET(msdosfs_vfsops, msdosfs, 0);
VFS_SET(nfs_vfsops, nfs, VFCF_NETWORK | VFCF_SBDRY);
VFS_SET(null_vfsops, nullfs, VFCF_LOOPBACK | VFCF_JAIL | VFCF_FILEMOUNT);
VFS_SET(p9fs_vfsops, p9fs, VFCF_JAIL);
VFS_SET(name##_vfsops, name, VFCF_SYNTHETIC | flags); \
VFS_SET(smbfs_vfsops, smbfs, VFCF_NETWORK);
VFS_SET(tarfs_vfsops, tarfs, VFCF_READONLY);
VFS_SET(tmpfs_vfsops, tmpfs, VFCF_JAIL);
VFS_SET(udf_vfsops, udf, VFCF_READONLY);
VFS_SET(unionfs_vfsops, unionfs, VFCF_LOOPBACK);
VFS_SET(ufs_vfsops, ufs, VFCF_FILEREVINC);