/*
* Allocate and initialize a dquot. We don't always allocate fresh memory;
* we try to reclaim a free dquot if the number of incore dquots are above
* a threshold.
* The only field inside the core that gets initialized at this point
* is the d_id field. The idea is to fill in the entire q_core
* when we read in the on disk dquot.
*/
STATIC xfs_dquot_t *
xfs_qm_dqinit(
xfs_mount_t *mp,
xfs_dqid_t id,
uint type)
{
xfs_dquot_t *dqp;
boolean_t brandnewdquot;
brandnewdquot = xfs_qm_dqalloc_incore(&dqp);
dqp->dq_flags = type;
dqp->q_core.d_id = cpu_to_be32(id);
dqp->q_mount = mp;
/*
* No need to re-initialize these if this is a reclaimed dquot.
*/
if (brandnewdquot) {
dqp->dq_flnext = dqp->dq_flprev = dqp;
mutex_init(&dqp->q_qlock);
initnsema(&dqp->q_flock, 1, "fdq");
sv_init(&dqp->q_pinwait, SV_DEFAULT, "pdq");
#ifdef XFS_DQUOT_TRACE
dqp->q_trace = ktrace_alloc(DQUOT_TRACE_SIZE, KM_SLEEP);
xfs_dqtrace_entry(dqp, "DQINIT");
#endif
} else {
/*
* Only the q_core portion was zeroed in dqreclaim_one().
* So, we need to reset others.
*/
dqp->q_nrefs = 0;
dqp->q_blkno = 0;
dqp->MPL_NEXT = dqp->HL_NEXT = NULL;
dqp->HL_PREVP = dqp->MPL_PREVP = NULL;
dqp->q_bufoffset = 0;
dqp->q_fileoffset = 0;
dqp->q_transp = NULL;
dqp->q_gdquot = NULL;
dqp->q_res_bcount = 0;
dqp->q_res_icount = 0;
dqp->q_res_rtbcount = 0;
dqp->q_pincount = 0;
dqp->q_hash = NULL;
ASSERT(dqp->dq_flnext == dqp->dq_flprev);
#ifdef XFS_DQUOT_TRACE
ASSERT(dqp->q_trace);
xfs_dqtrace_entry(dqp, "DQRECLAIMED_INIT");
#endif
}
/*
* log item gets initialized later
*/
return (dqp);
}
struct vcache *
osi_NewVnode(void) {
struct vcache *avc;
char name[METER_NAMSZ];
avc = afs_osi_Alloc(sizeof(struct vcache));
memset(avc, 0, sizeof(struct vcache));
avc->v.v_number = ++afsvnumbers;
avc->vc_rwlockid = OSI_NO_LOCKID;
initnsema(&avc->vc_rwlock, 1,
makesname(name, "vrw", avc->v.v_number));
#ifndef AFS_SGI53_ENV
initnsema(&avc->v.v_sync, 0,
makesname(name, "vsy", avc->v.v_number));
#endif
#ifndef AFS_SGI62_ENV
initnlock(&avc->v.v_lock,
makesname(name, "vlk", avc->v.v_number));
#endif
return avc;
}
