MNTK_USES_BCACHE
MNTK_USES_BCACHE;
mp->mnt_kern_flag |= MNTK_USES_BCACHE;
mp->mnt_kern_flag |= MNTK_USES_BCACHE | MNTK_NO_IOPF;
MNTK_USES_BCACHE;
(vp->v_mount->mnt_kern_flag & MNTK_USES_BCACHE) == 0) {
(MNTK_USES_BCACHE | MNTK_NO_IOPF | MNTK_UNMAPPED_BUFS);
MNT_KERN_FLAG(MNTK_USES_BCACHE);
MNTK_NO_IOPF | MNTK_UNMAPPED_BUFS | MNTK_USES_BCACHE;