uint64_t
mds_bmap_timeotbl_getnextseq(void)
{
int locked;
uint64_t hwm;
locked = reqlock(&mdsBmapTimeoTbl.btt_lock);
/*
* Skip zero sequence number because the client does not
* like it. More work is needed when an IOS decides if
* a smaller sequence number is actually ahead of a larger
* one after a wrap around happens.
*/
mdsBmapTimeoTbl.btt_maxseq++;
if (mdsBmapTimeoTbl.btt_maxseq == BMAPSEQ_ANY) {
OPSTAT_INCR("seqno-wrap");
mdsBmapTimeoTbl.btt_maxseq = 1;
}
hwm = mdsBmapTimeoTbl.btt_maxseq;
mds_bmap_timeotbl_journal_seqno();
ureqlock(&mdsBmapTimeoTbl.btt_lock, locked);
return (hwm);
}
void
psc_memnode_setkey(struct psc_memnode *pmn, int pos, void *val)
{
int locked;
locked = reqlock(&pmn->pmn_lock);
if (psc_dynarray_ensurelen(&pmn->pmn_keys, pos + 1) == -1)
psc_fatalx("ensurelen");
psc_dynarray_setpos(&pmn->pmn_keys, pos, val);
ureqlock(&pmn->pmn_lock, locked);
}
void *
psc_memnode_getkey(struct psc_memnode *pmn, int key)
{
int locked;
void *val;
val = NULL;
locked = reqlock(&pmn->pmn_lock);
if (psc_dynarray_len(&pmn->pmn_keys) > key)
val = psc_dynarray_getpos(&pmn->pmn_keys, key);
ureqlock(&pmn->pmn_lock, locked);
return (val);
}
int
mds_bmap_getcurseq(uint64_t *maxseq, uint64_t *minseq)
{
int locked;
locked = reqlock(&mdsBmapTimeoTbl.btt_lock);
if (maxseq)
*maxseq = mdsBmapTimeoTbl.btt_maxseq;
if (minseq)
*minseq = mdsBmapTimeoTbl.btt_minseq;
ureqlock(&mdsBmapTimeoTbl.btt_lock, locked);
return (0);
}
int
psc_compl_waitrel(struct psc_compl *pc, enum pfl_lockprim type,
void *lockp, long sec, long nsec)
{
reqlock(&pc->pc_lock);
PFL_LOCKPRIM_ULOCK(type, lockp);
if (pc->pc_done) {
freelock(&pc->pc_lock);
} else {
if (sec || nsec) {
if (pfl_waitq_waitrel(&pc->pc_wq, &pc->pc_lock,
sec, nsec))
return (0);
} else
pfl_waitq_wait(&pc->pc_wq, &pc->pc_lock);
}
return (pc->pc_rc);
}
