125 	register struct dquot *dqp;  in qtinit2()  local
143 	for (dqp = dquot; dqp < dquotNDQUOT; dqp++) {  in qtinit2()
144 		mutex_init(&dqp->dq_lock, NULL, MUTEX_DEFAULT, NULL);  in qtinit2()
145 		dqp->dq_forw = dqp->dq_back = dqp;  in qtinit2()
146 		dqinsheadfree(dqp);  in qtinit2()
161 	struct dquot *dqp;  in getdiskquota()  local
186 	for (dqp = dhp->dqh_forw; dqp != (DQptr)dhp; dqp = dqp->dq_forw) {  in getdiskquota()
187 		if (dqp->dq_uid != uid || dqp->dq_ufsvfsp != ufsvfsp)  in getdiskquota()
190 		mutex_enter(&dqp->dq_lock);  in getdiskquota()
195 		if (dqp->dq_uid != uid || dqp->dq_ufsvfsp != ufsvfsp) {  in getdiskquota()
196 			mutex_exit(&dqp->dq_lock);  in getdiskquota()
199 		if (dqp->dq_flags & DQ_ERROR) {  in getdiskquota()
200 			mutex_exit(&dqp->dq_lock);  in getdiskquota()
207 		if (dqp->dq_cnt == 0) {  in getdiskquota()
209 			dqremfree(dqp);  in getdiskquota()
212 		dqp->dq_cnt++;  in getdiskquota()
213 		mutex_exit(&dqp->dq_lock);  in getdiskquota()
214 		*dqpp = dqp;  in getdiskquota()
222 	if ((dqp = dqfreelist.dq_freef) == &dqfreelist) {  in getdiskquota()
229 	if (dqp->dq_cnt != 0 || dqp->dq_flags != 0) {  in getdiskquota()
232 		    dqp->dq_cnt, dqp->dq_flags, qip->i_fs->fs_fsmnt);  in getdiskquota()
239 	dqremfree(dqp);  in getdiskquota()
241 	remque(dqp);  in getdiskquota()
242 	dqp->dq_cnt = 1;  in getdiskquota()
243 	dqp->dq_uid = uid;  in getdiskquota()
244 	dqp->dq_ufsvfsp = ufsvfsp;  in getdiskquota()
245 	dqp->dq_mof = UFS_HOLE;  in getdiskquota()
246 	mutex_enter(&dqp->dq_lock);  in getdiskquota()
247 	insque(dqp, dhp);  in getdiskquota()
262 		error = ufs_rdwri(UIO_READ, FREAD, qip, (caddr_t)&dqp->dq_dqb,  in getdiskquota()
272 			dqp->dq_mof = ldbtob(bn) +  in getdiskquota()
275 			dqp->dq_mof = UFS_HOLE;  in getdiskquota()
284 			dqp->dq_flags = DQ_ERROR;  in getdiskquota()
291 			mutex_exit(&dqp->dq_lock);  in getdiskquota()
293 			mutex_enter(&dqp->dq_lock);  in getdiskquota()
294 			remque(dqp);  in getdiskquota()
295 			mutex_exit(&dqp->dq_lock);  in getdiskquota()
302 			dqp->dq_cnt = 0;  in getdiskquota()
303 			dqp->dq_ufsvfsp = NULL;  in getdiskquota()
304 			dqp->dq_forw = dqp;  in getdiskquota()
305 			dqp->dq_back = dqp;  in getdiskquota()
306 			dqp->dq_mof = UFS_HOLE;  in getdiskquota()
307 			dqp->dq_flags = 0;  in getdiskquota()
308 			dqinsheadfree(dqp);  in getdiskquota()
313 		bzero(&dqp->dq_dqb, sizeof (struct dqblk));  in getdiskquota()
314 		dqp->dq_mof = UFS_HOLE;  in getdiskquota()
316 	mutex_exit(&dqp->dq_lock);  in getdiskquota()
317 	*dqpp = dqp;  in getdiskquota()
325 dqput(dqp)  in dqput()  argument
326 	register struct dquot *dqp;  in dqput()
329 	ASSERT(dqp->dq_ufsvfsp == NULL ||
330 		RW_LOCK_HELD(&dqp->dq_ufsvfsp->vfs_dqrwlock));
331 	ASSERT(MUTEX_HELD(&dqp->dq_lock));
332 	if (dqp->dq_cnt == 0) {
334 			dqp->dq_ufsvfsp && dqp->dq_ufsvfsp->vfs_root?
335 			dqp->dq_ufsvfsp->vfs_root: NULL,
339 	if (--dqp->dq_cnt == 0) {
340 		if (dqp->dq_flags & DQ_MOD)
341 			dqupdate(dqp);
347 		dqp->dq_flags = 0;
348 		if (dqp->dq_ufsvfsp == NULL ||
349 		    dqp->dq_ufsvfsp->vfs_qflags == 0) {
351 			dqinval(dqp);
353 			dqinstailfree(dqp);
361 dqupdate(dqp)  in dqupdate()  argument
362 	register struct dquot *dqp;  in dqupdate()
370 	ASSERT(MUTEX_HELD(&dqp->dq_lock));
372 	if (!dqp->dq_ufsvfsp) {
376 	vfs_root = dqp->dq_ufsvfsp->vfs_root;
388 	qip = dqp->dq_ufsvfsp->vfs_qinod;
399 	if (ufsvfsp != dqp->dq_ufsvfsp) {
404 	if (!(dqp->dq_flags & DQ_MOD)) {
416 		TRANS_DELTA(ufsvfsp, dqp->dq_mof, sizeof (struct dqblk),
418 		TRANS_LOG(ufsvfsp, (caddr_t)&dqp->dq_dqb, dqp->dq_mof,
430 		if (dqoff(dqp->dq_uid) >= 0) {
432 					(caddr_t)&dqp->dq_dqb,
434 					dqoff(dqp->dq_uid), UIO_SYSSPACE,
440 	dqp->dq_flags &= ~DQ_MOD;
458 dqinval(dqp)  in dqinval()  argument
459 	register struct dquot *dqp;  in dqinval()
461 	ASSERT(MUTEX_HELD(&dqp->dq_lock));
462 	ASSERT(dqp->dq_cnt == 0);
463 	ASSERT(dqp->dq_flags == 0);
464 	ASSERT(dqp->dq_freef == NULL && dqp->dq_freeb == NULL);
465 	ASSERT(dqp->dq_ufsvfsp &&
466 		(dqp->dq_ufsvfsp->vfs_qflags & MQ_ENABLED) == 0);
474 	dqp->dq_ufsvfsp = NULL;
475 	mutex_exit(&dqp->dq_lock);
477 	mutex_enter(&dqp->dq_lock);
483 	ASSERT(dqp->dq_cnt == 0);
484 	ASSERT(dqp->dq_flags == 0);
485 	ASSERT(dqp->dq_freef == NULL && dqp->dq_freeb == NULL);
486 	ASSERT(dqp->dq_ufsvfsp == NULL);
492 	remque(dqp);
494 	dqp->dq_forw = dqp;
495 	dqp->dq_back = dqp;
496 	dqinsheadfree(dqp);
506 	register struct dquot *dqp;  local
528 	for (dqp = dquot; dqp < dquotNDQUOT; dqp++) {
541 		if (!mutex_tryenter(&dqp->dq_lock)) {
562 		if (dqp->dq_ufsvfsp == ufsvfsp) {
563 			ASSERT(dqp->dq_cnt == 0 || (dqp->dq_cnt == 1 &&
564 			    (dqp->dq_flags & DQ_TRANS)));
567 			if (dqp->dq_cnt == 1 && (dqp->dq_flags & DQ_TRANS)) {
568 				mutex_exit(&dqp->dq_lock);
572 			ASSERT(dqp->dq_cnt == 0);
573 			ASSERT(dqp->dq_freef && dqp->dq_freeb);
581 			dqremfree(dqp);
583 			dqinval(dqp);
586 		mutex_exit(&dqp->dq_lock);