struct vnode *
vn_initialize(
struct inode *inode)
{
struct vnode *vp = LINVFS_GET_VP(inode);
XFS_STATS_INC(vn_active);
XFS_STATS_INC(vn_alloc);
vp->v_flag = VMODIFIED;
spinlock_init(&vp->v_lock, "v_lock");
spin_lock(&vnumber_lock);
if (!++vn_generation) /* v_number shouldn't be zero */
vn_generation++;
vp->v_number = vn_generation;
spin_unlock(&vnumber_lock);
ASSERT(VN_CACHED(vp) == 0);
/* Initialize the first behavior and the behavior chain head. */
vn_bhv_head_init(VN_BHV_HEAD(vp), "vnode");
#ifdef XFS_VNODE_TRACE
vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
#endif /* XFS_VNODE_TRACE */
vn_trace_exit(vp, "vn_initialize", (inst_t *)__return_address);
return vp;
}
void
osi_PostPopulateVCache(struct vcache *avc) {
memset(&(avc->vc_bhv_desc), 0, sizeof(avc->vc_bhv_desc));
bhv_desc_init(&(avc->vc_bhv_desc), avc, avc, &Afs_vnodeops);
#if defined(AFS_SGI65_ENV)
vn_bhv_head_init(&(avc->v.v_bh), "afsvp");
vn_bhv_insert_initial(&(avc->v.v_bh), &(avc->vc_bhv_desc));
avc->v.v_mreg = avc->v.v_mregb = (struct pregion *)avc;
# if defined(VNODE_TRACING)
avc->v.v_trace = ktrace_alloc(VNODE_TRACE_SIZE, 0);
# endif
init_bitlock(&avc->v.v_pcacheflag, VNODE_PCACHE_LOCKBIT, "afs_pcache",
avc->v.v_number);
init_mutex(&avc->v.v_filocksem, MUTEX_DEFAULT, "afsvfl", (long)avc);
init_mutex(&avc->v.v_buf_lock, MUTEX_DEFAULT, "afsvnbuf", (long)avc);
#else
bhv_head_init(&(avc->v.v_bh));
bhv_insert_initial(&(avc->v.v_bh), &(avc->vc_bhv_desc));
#endif
vnode_pcache_init(&avc->v);
#if defined(DEBUG) && defined(VNODE_INIT_BITLOCK)
/* Above define is never true execpt in SGI test kernels. */
init_bitlock(&avc->v.v_flag, VLOCK, "vnode", avc->v.v_number);
#endif
#ifdef INTR_KTHREADS
AFS_VN_INIT_BUF_LOCK(&(avc->v));
#endif
vSetVfsp(avc, afs_globalVFS);
vSetType(avc, VREG);
VN_SET_DPAGES(&(avc->v), NULL);
osi_Assert((avc->v.v_flag & VINACT) == 0);
avc->v.v_flag = 0;
osi_Assert(VN_GET_PGCNT(&(avc->v)) == 0);
osi_Assert(avc->mapcnt == 0 && avc->vc_locktrips == 0);
osi_Assert(avc->vc_rwlockid == OSI_NO_LOCKID);
osi_Assert(avc->v.v_filocks == NULL);
# if !defined(AFS_SGI65_ENV)
osi_Assert(avc->v.v_filocksem == NULL);
# endif
osi_Assert(avc->cred == NULL);
# if defined(AFS_SGI64_ENV)
vnode_pcache_reinit(&avc->v);
avc->v.v_rdev = NODEV;
# endif
vn_initlist((struct vnlist *)&avc->v);
avc->lastr = 0;
}
static int
xfs_vn_allocate(xfs_mount_t *mp, xfs_inode_t *ip, struct xfs_vnode **vpp)
{
struct vnode *vp;
struct xfs_vnode *vdata;
int error;
/* Use zone allocator here? */
vdata = kmem_zalloc(sizeof(*vdata), KM_SLEEP);
error = getnewvnode("xfs", XVFSTOMNT(XFS_MTOVFS(mp)),
&xfs_vnops, &vp);
if (error) {
kmem_free(vdata, sizeof(*vdata));
return (error);
}
vp->v_vnlock->lk_flags |= LK_CANRECURSE;
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, curthread);
error = insmntque(vp, XVFSTOMNT(XFS_MTOVFS(mp)));
if (error != 0) {
kmem_free(vdata, sizeof(*vdata));
return (error);
}
vp->v_data = (void *)vdata;
vdata->v_number= 0;
vdata->v_inode = ip;
vdata->v_vfsp = XFS_MTOVFS(mp);
vdata->v_vnode = vp;
vn_bhv_head_init(VN_BHV_HEAD(vdata), "vnode");
#ifdef CONFIG_XFS_VNODE_TRACING
vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
#endif /* CONFIG_XFS_VNODE_TRACING */
vn_trace_exit(vp, "vn_initialize", (inst_t *)__return_address);
if (error == 0)
*vpp = vdata;
return (error);
}
