src/sys/miscfs/specfs/spec_vnops.c - diff

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version 1.77.6.1, 2005/12/29 01:36:19

version 1.78, 2004/05/12 02:07:38

Line 453 spec_ioctl(v)

struct vop_ioctl_args /* {

struct vnode *a_vp;

u_long a_command;

caddr_t a_data;

void *a_data;

int a_fflag;

struct ucred *a_cred;

struct proc *a_p;

} */ *ap = v;

const struct bdevsw *bdev;

const struct cdevsw *cdev;

struct vnode *vp;

dev_t dev = ap->a_vp->v_rdev;

dev_t dev;

switch (ap->a_vp->v_type) {

* Extract all the info we need from the vnode, taking care to

* avoid a race with VOP_REVOKE().

vp = ap->a_vp;

dev = NODEV;

simple_lock(&vp->v_interlock);

if ((vp->v_flag & VXLOCK) == 0 && vp->v_specinfo) {

dev = vp->v_rdev;

}

simple_unlock(&vp->v_interlock);

if (dev == NODEV) {

return ENXIO;

}

switch (vp->v_type) {

case VCHR:

cdev = cdevsw_lookup(dev);

Line 862 spec_advlock(v)

Line 845 spec_advlock(v)

{

struct vop_advlock_args /* {

struct vnode *a_vp;

caddr_t a_id;

void *a_id;

int a_op;

struct flock *a_fl;

int a_flags;