192 	xfs_alloc_arg_t	*args)		/* allocation argument structure */  in xfs_alloc_fix_len()  argument
197 	ASSERT(args->mod < args->prod);  in xfs_alloc_fix_len()
198 	rlen = args->len;  in xfs_alloc_fix_len()
199 	ASSERT(rlen >= args->minlen);  in xfs_alloc_fix_len()
200 	ASSERT(rlen <= args->maxlen);  in xfs_alloc_fix_len()
201 	if (args->prod <= 1 || rlen < args->mod || rlen == args->maxlen ||  in xfs_alloc_fix_len()
202 	    (args->mod == 0 && rlen < args->prod))  in xfs_alloc_fix_len()
204 	k = rlen % args->prod;  in xfs_alloc_fix_len()
205 	if (k == args->mod)  in xfs_alloc_fix_len()
207 	if (k > args->mod) {  in xfs_alloc_fix_len()
208 		if ((int)(rlen = rlen - k - args->mod) < (int)args->minlen)  in xfs_alloc_fix_len()
211 		if ((int)(rlen = rlen - args->prod - (args->mod - k)) <  in xfs_alloc_fix_len()
212 		    (int)args->minlen)  in xfs_alloc_fix_len()
215 	ASSERT(rlen >= args->minlen);  in xfs_alloc_fix_len()
216 	ASSERT(rlen <= args->maxlen);  in xfs_alloc_fix_len()
217 	args->len = rlen;  in xfs_alloc_fix_len()
226 	xfs_alloc_arg_t	*args)		/* allocation argument structure */  in xfs_alloc_fix_minleft()  argument
231 	if (args->minleft == 0)  in xfs_alloc_fix_minleft()
233 	agf = XFS_BUF_TO_AGF(args->agbp);  in xfs_alloc_fix_minleft()
236 		- args->len - args->minleft;  in xfs_alloc_fix_minleft()
239 	args->len += diff;		/* shrink the allocated space */  in xfs_alloc_fix_minleft()
240 	if (args->len >= args->minlen)  in xfs_alloc_fix_minleft()
242 	args->agbno = NULLAGBLOCK;  in xfs_alloc_fix_minleft()
427 	xfs_alloc_arg_t	*args,		/* allocation argument structure */  in xfs_alloc_trace_alloc()  argument
434 		(void *)args->mp,  in xfs_alloc_trace_alloc()
435 		(void *)(__psunsigned_t)args->agno,  in xfs_alloc_trace_alloc()
436 		(void *)(__psunsigned_t)args->agbno,  in xfs_alloc_trace_alloc()
437 		(void *)(__psunsigned_t)args->minlen,  in xfs_alloc_trace_alloc()
438 		(void *)(__psunsigned_t)args->maxlen,  in xfs_alloc_trace_alloc()
439 		(void *)(__psunsigned_t)args->mod,  in xfs_alloc_trace_alloc()
440 		(void *)(__psunsigned_t)args->prod,  in xfs_alloc_trace_alloc()
441 		(void *)(__psunsigned_t)args->minleft,  in xfs_alloc_trace_alloc()
442 		(void *)(__psunsigned_t)args->total,  in xfs_alloc_trace_alloc()
443 		(void *)(__psunsigned_t)args->alignment,  in xfs_alloc_trace_alloc()
444 		(void *)(__psunsigned_t)args->len,  in xfs_alloc_trace_alloc()
445 		(void *)((((__psint_t)args->type) << 16) |  in xfs_alloc_trace_alloc()
446 			 (__psint_t)args->otype),  in xfs_alloc_trace_alloc()
447 		(void *)(__psint_t)((args->wasdel << 3) |  in xfs_alloc_trace_alloc()
448 				    (args->wasfromfl << 2) |  in xfs_alloc_trace_alloc()
449 				    (args->isfl << 1) |  in xfs_alloc_trace_alloc()
450 				    (args->userdata << 0)));  in xfs_alloc_trace_alloc()
551 	xfs_alloc_arg_t	*args)	/* argument structure for allocation */  in xfs_alloc_ag_vextent()  argument
558 	ASSERT(args->minlen > 0);  in xfs_alloc_ag_vextent()
559 	ASSERT(args->maxlen > 0);  in xfs_alloc_ag_vextent()
560 	ASSERT(args->minlen <= args->maxlen);  in xfs_alloc_ag_vextent()
561 	ASSERT(args->mod < args->prod);  in xfs_alloc_ag_vextent()
562 	ASSERT(args->alignment > 0);  in xfs_alloc_ag_vextent()
566 	args->wasfromfl = 0;  in xfs_alloc_ag_vextent()
567 	switch (args->type) {  in xfs_alloc_ag_vextent()
569 		error = xfs_alloc_ag_vextent_size(args);  in xfs_alloc_ag_vextent()
572 		error = xfs_alloc_ag_vextent_near(args);  in xfs_alloc_ag_vextent()
575 		error = xfs_alloc_ag_vextent_exact(args);  in xfs_alloc_ag_vextent()
587 	if (args->agbno != NULLAGBLOCK) {  in xfs_alloc_ag_vextent()
590 		xfs_mount_t	*mp = args->mp;  in xfs_alloc_ag_vextent()
592 		long		slen = (long)args->len;  in xfs_alloc_ag_vextent()
594 		ASSERT(args->len >= args->minlen && args->len <= args->maxlen);  in xfs_alloc_ag_vextent()
595 		ASSERT(!(args->wasfromfl) || !args->isfl);  in xfs_alloc_ag_vextent()
596 		ASSERT(args->agbno % args->alignment == 0);  in xfs_alloc_ag_vextent()
597 		if (!(args->wasfromfl)) {  in xfs_alloc_ag_vextent()
599 			agf = XFS_BUF_TO_AGF(args->agbp);  in xfs_alloc_ag_vextent()
600 			be32_add(&agf->agf_freeblks, -(args->len));  in xfs_alloc_ag_vextent()
601 			xfs_trans_agblocks_delta(args->tp,  in xfs_alloc_ag_vextent()
602 						 -((long)(args->len)));  in xfs_alloc_ag_vextent()
603 			args->pag->pagf_freeblks -= args->len;  in xfs_alloc_ag_vextent()
607 			xfs_alloc_log_agf(args->tp, args->agbp,  in xfs_alloc_ag_vextent()
610 			xfs_alloc_search_busy(args->tp, args->agno,  in xfs_alloc_ag_vextent()
611 					args->agbno, args->len);  in xfs_alloc_ag_vextent()
613 		if (!args->isfl)  in xfs_alloc_ag_vextent()
614 			xfs_trans_mod_sb(args->tp,  in xfs_alloc_ag_vextent()
615 				args->wasdel ? XFS_TRANS_SB_RES_FDBLOCKS :  in xfs_alloc_ag_vextent()
618 		XFS_STATS_ADD(xs_allocb, args->len);  in xfs_alloc_ag_vextent()
631 	xfs_alloc_arg_t	*args)	/* allocation argument structure */  in xfs_alloc_ag_vextent_exact()  argument
648 	ASSERT(args->alignment == 1);  in xfs_alloc_ag_vextent_exact()
652 	bno_cur = xfs_btree_init_cursor(args->mp, args->tp, args->agbp,  in xfs_alloc_ag_vextent_exact()
653 		args->agno, XFS_BTNUM_BNO, NULL, 0);  in xfs_alloc_ag_vextent_exact()
659 	if ((error = xfs_alloc_lookup_le(bno_cur, args->agbno, args->minlen, &i)))  in xfs_alloc_ag_vextent_exact()
666 		args->agbno = NULLAGBLOCK;  in xfs_alloc_ag_vextent_exact()
675 	ASSERT(fbno <= args->agbno);  in xfs_alloc_ag_vextent_exact()
676 	minend = args->agbno + args->minlen;  in xfs_alloc_ag_vextent_exact()
677 	maxend = args->agbno + args->maxlen;  in xfs_alloc_ag_vextent_exact()
684 		args->agbno = NULLAGBLOCK;  in xfs_alloc_ag_vextent_exact()
695 	args->len = end - args->agbno;  in xfs_alloc_ag_vextent_exact()
696 	xfs_alloc_fix_len(args);  in xfs_alloc_ag_vextent_exact()
697 	if (!xfs_alloc_fix_minleft(args)) {  in xfs_alloc_ag_vextent_exact()
701 	rlen = args->len;  in xfs_alloc_ag_vextent_exact()
702 	ASSERT(args->agbno + rlen <= fend);  in xfs_alloc_ag_vextent_exact()
703 	end = args->agbno + rlen;  in xfs_alloc_ag_vextent_exact()
708 	cnt_cur = xfs_btree_init_cursor(args->mp, args->tp, args->agbp,  in xfs_alloc_ag_vextent_exact()
709 		args->agno, XFS_BTNUM_CNT, NULL, 0);  in xfs_alloc_ag_vextent_exact()
710 	ASSERT(args->agbno + args->len <=  in xfs_alloc_ag_vextent_exact()
711 		be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length));  in xfs_alloc_ag_vextent_exact()
713 			args->agbno, args->len, XFSA_FIXUP_BNO_OK))) {  in xfs_alloc_ag_vextent_exact()
719 	TRACE_ALLOC("normal", args);  in xfs_alloc_ag_vextent_exact()
720 	args->wasfromfl = 0;  in xfs_alloc_ag_vextent_exact()
725 	TRACE_ALLOC("error", args);  in xfs_alloc_ag_vextent_exact()
737 	xfs_alloc_arg_t	*args)		/* allocation argument structure */  in xfs_alloc_ag_vextent_near()  argument
774 	cnt_cur = xfs_btree_init_cursor(args->mp, args->tp, args->agbp,  in xfs_alloc_ag_vextent_near()
775 		args->agno, XFS_BTNUM_CNT, NULL, 0);  in xfs_alloc_ag_vextent_near()
781 	if ((error = xfs_alloc_lookup_ge(cnt_cur, 0, args->maxlen, &i)))  in xfs_alloc_ag_vextent_near()
788 		if ((error = xfs_alloc_ag_vextent_small(args, cnt_cur, &ltbno,  in xfs_alloc_ag_vextent_near()
797 	args->wasfromfl = 0;  in xfs_alloc_ag_vextent_near()
824 		if (ltlen || args->alignment > 1) {  in xfs_alloc_ag_vextent_near()
831 				if (ltlen >= args->minlen)  in xfs_alloc_ag_vextent_near()
836 			ASSERT(ltlen >= args->minlen);  in xfs_alloc_ag_vextent_near()
842 		     !error && j && (blen < args->maxlen || bdiff > 0);  in xfs_alloc_ag_vextent_near()
852 					args->alignment, args->minlen,  in xfs_alloc_ag_vextent_near()
855 			args->len = XFS_EXTLEN_MIN(ltlena, args->maxlen);  in xfs_alloc_ag_vextent_near()
856 			xfs_alloc_fix_len(args);  in xfs_alloc_ag_vextent_near()
857 			ASSERT(args->len >= args->minlen);  in xfs_alloc_ag_vextent_near()
858 			if (args->len < blen)  in xfs_alloc_ag_vextent_near()
860 			ltdiff = xfs_alloc_compute_diff(args->agbno, args->len,  in xfs_alloc_ag_vextent_near()
861 				args->alignment, ltbno, ltlen, &ltnew);  in xfs_alloc_ag_vextent_near()
863 			    (args->len > blen || ltdiff < bdiff)) {  in xfs_alloc_ag_vextent_near()
866 				blen = args->len;  in xfs_alloc_ag_vextent_near()
884 		ASSERT(ltend <= be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length));  in xfs_alloc_ag_vextent_near()
885 		args->len = blen;  in xfs_alloc_ag_vextent_near()
886 		if (!xfs_alloc_fix_minleft(args)) {  in xfs_alloc_ag_vextent_near()
888 			TRACE_ALLOC("nominleft", args);  in xfs_alloc_ag_vextent_near()
891 		blen = args->len;  in xfs_alloc_ag_vextent_near()
895 		args->agbno = bnew;  in xfs_alloc_ag_vextent_near()
901 		bno_cur_lt = xfs_btree_init_cursor(args->mp, args->tp,  in xfs_alloc_ag_vextent_near()
902 			args->agbp, args->agno, XFS_BTNUM_BNO, NULL, 0);  in xfs_alloc_ag_vextent_near()
911 		TRACE_ALLOC("first", args);  in xfs_alloc_ag_vextent_near()
929 	bno_cur_lt = xfs_btree_init_cursor(args->mp, args->tp, args->agbp,  in xfs_alloc_ag_vextent_near()
930 		args->agno, XFS_BTNUM_BNO, NULL, 0);  in xfs_alloc_ag_vextent_near()
934 	if ((error = xfs_alloc_lookup_le(bno_cur_lt, args->agbno, args->maxlen, &i)))  in xfs_alloc_ag_vextent_near()
973 					args->alignment, args->minlen,  in xfs_alloc_ag_vextent_near()
989 					args->alignment, args->minlen,  in xfs_alloc_ag_vextent_near()
1008 		if (ltlena >= args->minlen) {  in xfs_alloc_ag_vextent_near()
1012 			args->len = XFS_EXTLEN_MIN(ltlena, args->maxlen);  in xfs_alloc_ag_vextent_near()
1013 			xfs_alloc_fix_len(args);  in xfs_alloc_ag_vextent_near()
1014 			rlen = args->len;  in xfs_alloc_ag_vextent_near()
1015 			ltdiff = xfs_alloc_compute_diff(args->agbno, rlen,  in xfs_alloc_ag_vextent_near()
1016 				args->alignment, ltbno, ltlen, &ltnew);  in xfs_alloc_ag_vextent_near()
1032 						args->alignment, args->minlen,  in xfs_alloc_ag_vextent_near()
1037 					if (gtbnoa >= args->agbno + ltdiff) {  in xfs_alloc_ag_vextent_near()
1048 					if (gtlena >= args->minlen) {  in xfs_alloc_ag_vextent_near()
1049 						args->len =  in xfs_alloc_ag_vextent_near()
1051 								args->maxlen);  in xfs_alloc_ag_vextent_near()
1052 						xfs_alloc_fix_len(args);  in xfs_alloc_ag_vextent_near()
1053 						rlen = args->len;  in xfs_alloc_ag_vextent_near()
1055 							args->agbno, rlen,  in xfs_alloc_ag_vextent_near()
1056 							args->alignment,  in xfs_alloc_ag_vextent_near()
1109 			args->len = XFS_EXTLEN_MIN(gtlena, args->maxlen);  in xfs_alloc_ag_vextent_near()
1110 			xfs_alloc_fix_len(args);  in xfs_alloc_ag_vextent_near()
1111 			rlen = args->len;  in xfs_alloc_ag_vextent_near()
1112 			gtdiff = xfs_alloc_compute_diff(args->agbno, rlen,  in xfs_alloc_ag_vextent_near()
1113 				args->alignment, gtbno, gtlen, &gtnew);  in xfs_alloc_ag_vextent_near()
1129 						args->alignment, args->minlen,  in xfs_alloc_ag_vextent_near()
1134 					if (ltbnoa <= args->agbno - gtdiff) {  in xfs_alloc_ag_vextent_near()
1145 					if (ltlena >= args->minlen) {  in xfs_alloc_ag_vextent_near()
1146 						args->len = XFS_EXTLEN_MIN(  in xfs_alloc_ag_vextent_near()
1147 							ltlena, args->maxlen);  in xfs_alloc_ag_vextent_near()
1148 						xfs_alloc_fix_len(args);  in xfs_alloc_ag_vextent_near()
1149 						rlen = args->len;  in xfs_alloc_ag_vextent_near()
1151 							args->agbno, rlen,  in xfs_alloc_ag_vextent_near()
1152 							args->alignment,  in xfs_alloc_ag_vextent_near()
1202 		TRACE_ALLOC("neither", args);  in xfs_alloc_ag_vextent_near()
1203 		args->agbno = NULLAGBLOCK;  in xfs_alloc_ag_vextent_near()
1226 	args->len = XFS_EXTLEN_MIN(ltlena, args->maxlen);  in xfs_alloc_ag_vextent_near()
1227 	xfs_alloc_fix_len(args);  in xfs_alloc_ag_vextent_near()
1228 	if (!xfs_alloc_fix_minleft(args)) {  in xfs_alloc_ag_vextent_near()
1229 		TRACE_ALLOC("nominleft", args);  in xfs_alloc_ag_vextent_near()
1234 	rlen = args->len;  in xfs_alloc_ag_vextent_near()
1235 	(void)xfs_alloc_compute_diff(args->agbno, rlen, args->alignment, ltbno,  in xfs_alloc_ag_vextent_near()
1239 	ASSERT(ltnew + rlen <= be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length));  in xfs_alloc_ag_vextent_near()
1240 	args->agbno = ltnew;  in xfs_alloc_ag_vextent_near()
1244 	TRACE_ALLOC(j ? "gt" : "lt", args);  in xfs_alloc_ag_vextent_near()
1250 	TRACE_ALLOC("error", args);  in xfs_alloc_ag_vextent_near()
1268 	xfs_alloc_arg_t	*args)		/* allocation argument structure */  in xfs_alloc_ag_vextent_size()  argument
1285 	cnt_cur = xfs_btree_init_cursor(args->mp, args->tp, args->agbp,  in xfs_alloc_ag_vextent_size()
1286 		args->agno, XFS_BTNUM_CNT, NULL, 0);  in xfs_alloc_ag_vextent_size()
1292 			args->maxlen + args->alignment - 1, &i)))  in xfs_alloc_ag_vextent_size()
1299 		if ((error = xfs_alloc_ag_vextent_small(args, cnt_cur, &fbno,  in xfs_alloc_ag_vextent_size()
1304 			TRACE_ALLOC("noentry", args);  in xfs_alloc_ag_vextent_size()
1323 	xfs_alloc_compute_aligned(fbno, flen, args->alignment, args->minlen,  in xfs_alloc_ag_vextent_size()
1325 	rlen = XFS_EXTLEN_MIN(args->maxlen, rlen);  in xfs_alloc_ag_vextent_size()
1328 	if (rlen < args->maxlen) {  in xfs_alloc_ag_vextent_size()
1349 			xfs_alloc_compute_aligned(fbno, flen, args->alignment,  in xfs_alloc_ag_vextent_size()
1350 				args->minlen, &rbno, &rlen);  in xfs_alloc_ag_vextent_size()
1351 			rlen = XFS_EXTLEN_MIN(args->maxlen, rlen);  in xfs_alloc_ag_vextent_size()
1360 				if (rlen == args->maxlen)  in xfs_alloc_ag_vextent_size()
1373 	args->wasfromfl = 0;  in xfs_alloc_ag_vextent_size()
1377 	args->len = rlen;  in xfs_alloc_ag_vextent_size()
1378 	xfs_alloc_fix_len(args);  in xfs_alloc_ag_vextent_size()
1379 	if (rlen < args->minlen || !xfs_alloc_fix_minleft(args)) {  in xfs_alloc_ag_vextent_size()
1381 		TRACE_ALLOC("nominleft", args);  in xfs_alloc_ag_vextent_size()
1382 		args->agbno = NULLAGBLOCK;  in xfs_alloc_ag_vextent_size()
1385 	rlen = args->len;  in xfs_alloc_ag_vextent_size()
1390 	bno_cur = xfs_btree_init_cursor(args->mp, args->tp, args->agbp,  in xfs_alloc_ag_vextent_size()
1391 		args->agno, XFS_BTNUM_BNO, NULL, 0);  in xfs_alloc_ag_vextent_size()
1398 	args->len = rlen;  in xfs_alloc_ag_vextent_size()
1399 	args->agbno = rbno;  in xfs_alloc_ag_vextent_size()
1401 		args->agbno + args->len <=  in xfs_alloc_ag_vextent_size()
1402 			be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length),  in xfs_alloc_ag_vextent_size()
1404 	TRACE_ALLOC("normal", args);  in xfs_alloc_ag_vextent_size()
1408 	TRACE_ALLOC("error", args);  in xfs_alloc_ag_vextent_size()
1423 	xfs_alloc_arg_t	*args,	/* allocation argument structure */  in xfs_alloc_ag_vextent_small()  argument
1449 	else if (args->minlen == 1 && args->alignment == 1 && !args->isfl &&  in xfs_alloc_ag_vextent_small()
1450 		 (be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_flcount)  in xfs_alloc_ag_vextent_small()
1451 		  > args->minleft)) {  in xfs_alloc_ag_vextent_small()
1452 		if ((error = xfs_alloc_get_freelist(args->tp, args->agbp, &fbno)))  in xfs_alloc_ag_vextent_small()
1455 			if (args->userdata) {  in xfs_alloc_ag_vextent_small()
1458 				bp = xfs_btree_get_bufs(args->mp, args->tp,  in xfs_alloc_ag_vextent_small()
1459 					args->agno, fbno, 0);  in xfs_alloc_ag_vextent_small()
1460 				xfs_trans_binval(args->tp, bp);  in xfs_alloc_ag_vextent_small()
1462 			args->len = 1;  in xfs_alloc_ag_vextent_small()
1463 			args->agbno = fbno;  in xfs_alloc_ag_vextent_small()
1465 				args->agbno + args->len <=  in xfs_alloc_ag_vextent_small()
1466 				be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length),  in xfs_alloc_ag_vextent_small()
1468 			args->wasfromfl = 1;  in xfs_alloc_ag_vextent_small()
1469 			TRACE_ALLOC("freelist", args);  in xfs_alloc_ag_vextent_small()
1489 	if (flen < args->minlen) {  in xfs_alloc_ag_vextent_small()
1490 		args->agbno = NULLAGBLOCK;  in xfs_alloc_ag_vextent_small()
1491 		TRACE_ALLOC("notenough", args);  in xfs_alloc_ag_vextent_small()
1497 	TRACE_ALLOC("normal", args);  in xfs_alloc_ag_vextent_small()
1501 	TRACE_ALLOC("error", args);  in xfs_alloc_ag_vextent_small()
1817 	xfs_alloc_arg_t	*args,	/* allocation argument structure */  in xfs_alloc_fix_freelist()  argument
1833 	mp = args->mp;  in xfs_alloc_fix_freelist()
1835 	pag = args->pag;  in xfs_alloc_fix_freelist()
1836 	tp = args->tp;  in xfs_alloc_fix_freelist()
1838 		if ((error = xfs_alloc_read_agf(mp, tp, args->agno, flags,  in xfs_alloc_fix_freelist()
1842 			args->agbp = NULL;  in xfs_alloc_fix_freelist()
1852 	if (pag->pagf_metadata && args->userdata && flags) {  in xfs_alloc_fix_freelist()
1853 		args->agbp = NULL;  in xfs_alloc_fix_freelist()
1866 	if (args->minlen + args->alignment + args->minalignslop - 1 > longest ||  in xfs_alloc_fix_freelist()
1867 	    (args->minleft &&  in xfs_alloc_fix_freelist()
1869 		   need - args->total) <  in xfs_alloc_fix_freelist()
1870 	     (int)args->minleft)) {  in xfs_alloc_fix_freelist()
1873 		args->agbp = NULL;  in xfs_alloc_fix_freelist()
1881 		if ((error = xfs_alloc_read_agf(mp, tp, args->agno, flags,  in xfs_alloc_fix_freelist()
1885 			args->agbp = NULL;  in xfs_alloc_fix_freelist()
1902 	if (args->minlen + args->alignment + args->minalignslop - 1 > longest ||  in xfs_alloc_fix_freelist()
1903 	     (args->minleft &&  in xfs_alloc_fix_freelist()
1905 		   be32_to_cpu(agf->agf_flcount) - need - args->total) <  in xfs_alloc_fix_freelist()
1906 	     (int)args->minleft)) {  in xfs_alloc_fix_freelist()
1908 		args->agbp = NULL;  in xfs_alloc_fix_freelist()
1919 		if ((error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, 1)))  in xfs_alloc_fix_freelist()
1921 		bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0);  in xfs_alloc_fix_freelist()
1930 	targs.agno = args->agno;  in xfs_alloc_fix_freelist()
1965 	args->agbp = agbp;  in xfs_alloc_fix_freelist()
2216 	xfs_alloc_arg_t	*args)	/* allocation argument structure */  in xfs_alloc_vextent()  argument
2232 	mp = args->mp;  in xfs_alloc_vextent()
2233 	type = args->otype = args->type;  in xfs_alloc_vextent()
2234 	args->agbno = NULLAGBLOCK;  in xfs_alloc_vextent()
2241 	if (args->maxlen > agsize)  in xfs_alloc_vextent()
2242 		args->maxlen = agsize;  in xfs_alloc_vextent()
2243 	if (args->alignment == 0)  in xfs_alloc_vextent()
2244 		args->alignment = 1;  in xfs_alloc_vextent()
2245 	ASSERT(XFS_FSB_TO_AGNO(mp, args->fsbno) < mp->m_sb.sb_agcount);  in xfs_alloc_vextent()
2246 	ASSERT(XFS_FSB_TO_AGBNO(mp, args->fsbno) < agsize);  in xfs_alloc_vextent()
2247 	ASSERT(args->minlen <= args->maxlen);  in xfs_alloc_vextent()
2248 	ASSERT(args->minlen <= agsize);  in xfs_alloc_vextent()
2249 	ASSERT(args->mod < args->prod);  in xfs_alloc_vextent()
2250 	if (XFS_FSB_TO_AGNO(mp, args->fsbno) >= mp->m_sb.sb_agcount ||  in xfs_alloc_vextent()
2251 	    XFS_FSB_TO_AGBNO(mp, args->fsbno) >= agsize ||  in xfs_alloc_vextent()
2252 	    args->minlen > args->maxlen || args->minlen > agsize ||  in xfs_alloc_vextent()
2253 	    args->mod >= args->prod) {  in xfs_alloc_vextent()
2254 		args->fsbno = NULLFSBLOCK;  in xfs_alloc_vextent()
2255 		TRACE_ALLOC("badargs", args);  in xfs_alloc_vextent()
2258 	minleft = args->minleft;  in xfs_alloc_vextent()
2267 		args->agno = XFS_FSB_TO_AGNO(mp, args->fsbno);  in xfs_alloc_vextent()
2269 		args->pag = &mp->m_perag[args->agno];  in xfs_alloc_vextent()
2270 		args->minleft = 0;  in xfs_alloc_vextent()
2271 		error = xfs_alloc_fix_freelist(args, 0);  in xfs_alloc_vextent()
2272 		args->minleft = minleft;  in xfs_alloc_vextent()
2274 			TRACE_ALLOC("nofix", args);  in xfs_alloc_vextent()
2277 		if (!args->agbp) {  in xfs_alloc_vextent()
2279 			TRACE_ALLOC("noagbp", args);  in xfs_alloc_vextent()
2282 		args->agbno = XFS_FSB_TO_AGBNO(mp, args->fsbno);  in xfs_alloc_vextent()
2283 		if ((error = xfs_alloc_ag_vextent(args)))  in xfs_alloc_vextent()
2292 		if ((args->userdata  == XFS_ALLOC_INITIAL_USER_DATA) &&  in xfs_alloc_vextent()
2294 			args->fsbno = XFS_AGB_TO_FSB(mp,  in xfs_alloc_vextent()
2299 		args->agbno = XFS_FSB_TO_AGBNO(mp, args->fsbno);  in xfs_alloc_vextent()
2300 		args->type = XFS_ALLOCTYPE_NEAR_BNO;  in xfs_alloc_vextent()
2312 			args->agno = sagno = (mp->m_agfrotor / rotorstep) %  in xfs_alloc_vextent()
2314 			args->type = XFS_ALLOCTYPE_THIS_AG;  in xfs_alloc_vextent()
2320 			args->agno = XFS_FSB_TO_AGNO(mp, args->fsbno);  in xfs_alloc_vextent()
2321 			args->type = XFS_ALLOCTYPE_THIS_AG;  in xfs_alloc_vextent()
2326 				args->type = XFS_ALLOCTYPE_THIS_AG;  in xfs_alloc_vextent()
2330 			args->agno = sagno = XFS_FSB_TO_AGNO(mp, args->fsbno);  in xfs_alloc_vextent()
2339 			args->pag = &mp->m_perag[args->agno];  in xfs_alloc_vextent()
2340 			if (no_min) args->minleft = 0;  in xfs_alloc_vextent()
2341 			error = xfs_alloc_fix_freelist(args, flags);  in xfs_alloc_vextent()
2342 			args->minleft = minleft;  in xfs_alloc_vextent()
2344 				TRACE_ALLOC("nofix", args);  in xfs_alloc_vextent()
2350 			if (args->agbp) {  in xfs_alloc_vextent()
2351 				if ((error = xfs_alloc_ag_vextent(args)))  in xfs_alloc_vextent()
2355 			TRACE_ALLOC("loopfailed", args);  in xfs_alloc_vextent()
2359 			if (args->agno == sagno &&  in xfs_alloc_vextent()
2361 				args->type = XFS_ALLOCTYPE_THIS_AG;  in xfs_alloc_vextent()
2362 			if (++(args->agno) == mp->m_sb.sb_agcount)  in xfs_alloc_vextent()
2363 				args->agno = 0;  in xfs_alloc_vextent()
2368 			if (args->agno == sagno) {  in xfs_alloc_vextent()
2370 					args->agbno = NULLAGBLOCK;  in xfs_alloc_vextent()
2371 					TRACE_ALLOC("allfailed", args);  in xfs_alloc_vextent()
2379 						args->agbno = XFS_FSB_TO_AGBNO(mp,  in xfs_alloc_vextent()
2380 							args->fsbno);  in xfs_alloc_vextent()
2381 						args->type = XFS_ALLOCTYPE_NEAR_BNO;  in xfs_alloc_vextent()
2388 			if (args->agno == sagno)  in xfs_alloc_vextent()
2392 				mp->m_agfrotor = (args->agno * rotorstep + 1) %  in xfs_alloc_vextent()
2400 	if (args->agbno == NULLAGBLOCK)  in xfs_alloc_vextent()
2401 		args->fsbno = NULLFSBLOCK;  in xfs_alloc_vextent()
2403 		args->fsbno = XFS_AGB_TO_FSB(mp, args->agno, args->agbno);  in xfs_alloc_vextent()
2405 		ASSERT(args->len >= args->minlen);  in xfs_alloc_vextent()
2406 		ASSERT(args->len <= args->maxlen);  in xfs_alloc_vextent()
2407 		ASSERT(args->agbno % args->alignment == 0);  in xfs_alloc_vextent()
2408 		XFS_AG_CHECK_DADDR(mp, XFS_FSB_TO_DADDR(mp, args->fsbno),  in xfs_alloc_vextent()
2409 			args->len);  in xfs_alloc_vextent()
2432 	xfs_alloc_arg_t	args;	/* allocation argument structure */  in xfs_free_extent()  local
2436 	args.tp = tp;  in xfs_free_extent()
2437 	args.mp = tp->t_mountp;  in xfs_free_extent()
2438 	args.agno = XFS_FSB_TO_AGNO(args.mp, bno);  in xfs_free_extent()
2439 	ASSERT(args.agno < args.mp->m_sb.sb_agcount);  in xfs_free_extent()
2440 	args.agbno = XFS_FSB_TO_AGBNO(args.mp, bno);  in xfs_free_extent()
2441 	args.alignment = 1;  in xfs_free_extent()
2442 	args.minlen = args.minleft = args.minalignslop = 0;  in xfs_free_extent()
2443 	down_read(&args.mp->m_peraglock);  in xfs_free_extent()
2444 	args.pag = &args.mp->m_perag[args.agno];  in xfs_free_extent()
2445 	if ((error = xfs_alloc_fix_freelist(&args, 0)))  in xfs_free_extent()
2448 	ASSERT(args.agbp != NULL);  in xfs_free_extent()
2449 	agf = XFS_BUF_TO_AGF(args.agbp);  in xfs_free_extent()
2450 	ASSERT(args.agbno + len <= be32_to_cpu(agf->agf_length));  in xfs_free_extent()
2452 	error = xfs_free_ag_extent(tp, args.agbp, args.agno, args.agbno,  in xfs_free_extent()
2455 	up_read(&args.mp->m_peraglock);  in xfs_free_extent()