VFS_STATS
{ "VFS_STATS", VFS_STATS, VFS_STATS },
vfsp->vfs_flag |= VFS_STATS;
if (vfsp->vfs_flag & VFS_STATS) {
EIO_vfs.vfs_flag |= VFS_STATS;
rootvfs->vfs_flag |= VFS_STATS;
(vfsp->vfs_flag & VFS_STATS) && (vp)->v_type != VBAD) { \
(vfsp->vfs_flag & VFS_STATS) && (vp)->v_type != VBAD) { \
if (vfsp == NULL || (vfsp->vfs_flag & VFS_STATS) == 0 ||
(vfsp->vfs_flag & VFS_STATS) == 0 || !vopstats_enabled)
(vfsp->vfs_flag & VFS_STATS) == 0 || !vopstats_enabled)