static int
smb_rq_enqueue(struct smb_rq *rqp)
{
struct smb_share *ssp = rqp->sr_share;
int error;
if (ssp == NULL || rqp->sr_cred == &rqp->sr_vc->vc_iod->iod_scred) {
return smb_iod_addrq(rqp);
}
for (;;) {
SMBS_ST_LOCK(ssp);
if (ssp->ss_flags & SMBS_RECONNECTING) {
msleep(&ssp->ss_vcgenid, SMBS_ST_LOCKPTR(ssp),
PWAIT | PDROP, "90trcn", hz);
if (smb_proc_intr(rqp->sr_cred->scr_p))
return EINTR;
continue;
}
if (smb_share_valid(ssp) || (ssp->ss_flags & SMBS_CONNECTED) == 0) {
SMBS_ST_UNLOCK(ssp);
} else {
SMBS_ST_UNLOCK(ssp);
error = smb_iod_request(rqp->sr_vc->vc_iod,
SMBIOD_EV_TREECONNECT | SMBIOD_EV_SYNC, ssp);
if (error)
return error;
}
error = smb_iod_addrq(rqp);
if (error != EXDEV)
break;
}
return error;
}
int
smb_rq_intr(struct smb_rq *rqp)
{
struct proc *p = rqp->sr_cred->scr_p;
if (rqp->sr_flags & SMBR_INTR)
return EINTR;
return smb_proc_intr(p);
}
int
smb_rq_intr(struct smb_rq *rqp)
{
struct thread *td = rqp->sr_cred->scr_td;
if (rqp->sr_flags & SMBR_INTR)
return EINTR;
return smb_proc_intr(td);
}
/*
* Flush and invalidate all dirty buffers. If another process is already
* doing the flush, just wait for completion.
*/
int
smbfs_vinvalbuf(struct vnode *vp, int flags, int intrflg)
{
struct smbnode *np = VTOSMB(vp);
int error = 0, slpflag, slptimeo;
if (vp->v_flag & VRECLAIMED)
return 0;
if (intrflg) {
slpflag = PCATCH;
slptimeo = 2 * hz;
} else {
slpflag = 0;
slptimeo = 0;
}
while (np->n_flag & NFLUSHINPROG) {
np->n_flag |= NFLUSHWANT;
error = tsleep((caddr_t)&np->n_flag, 0, "smfsvinv", slptimeo);
error = smb_proc_intr(curthread);
if (error == EINTR && intrflg)
return EINTR;
}
np->n_flag |= NFLUSHINPROG;
error = vinvalbuf(vp, flags, slpflag, 0);
while (error) {
if (intrflg && (error == ERESTART || error == EINTR)) {
np->n_flag &= ~NFLUSHINPROG;
if (np->n_flag & NFLUSHWANT) {
np->n_flag &= ~NFLUSHWANT;
wakeup((caddr_t)&np->n_flag);
}
return EINTR;
}
error = vinvalbuf(vp, flags, slpflag, 0);
}
np->n_flag &= ~(NMODIFIED | NFLUSHINPROG);
if (np->n_flag & NFLUSHWANT) {
np->n_flag &= ~NFLUSHWANT;
wakeup((caddr_t)&np->n_flag);
}
return (error);
}
