metassist/layout/layout_mirror.c

49 	devconfig_t	*request,
56 	devconfig_t	*request,
63 	devconfig_t	*request,
73 	devconfig_t	*request,
84 	devconfig_t	*request,
94 	devconfig_t	*request,
102 	devconfig_t	*request,
111 	devconfig_t	*request,
119 	devconfig_t	*request,
145  * FUNCTION:	layout_mirror(devconfig_t *request, nbytes, dlist_t **results)
147  * INPUT:	request	- pointer to a request devconfig_t
156  * PURPOSE:	Main driver to handle a mirror request that does not specify
163 	devconfig_t	*request,
173 	if ((error = get_volume_faultrecov(request, &usehsp)) != 0) {
184 	    request, NULL, nbytes, nsubs, &subs)) != 0) {
191 		request, NULL, nbytes, nsubs, &subs)) != 0) {
211 	    error = assemble_mirror(request, subs, &mirror);
249  * FUNCTION:	populate_explicit_mirror(devconfig_t *request,
252  * INPUT:	request	- pointer to a request devconfig_t
259  * PURPOSE:	Processes the input mirror request specifying explicit layout
281 	devconfig_t	*request,
294 	list = devconfig_get_components(request);
297 	if ((error = get_volume_faultrecov(request, &usehsp)) != 0) {
304 	if ((error = devconfig_get_size(request, &msize)) != 0) {
386 		request, composed, msize, n, &stripes)) == 0) {
406 		request, composed, msize, n, &concats)) == 0) {
428 	    if ((error = assemble_mirror(request, composed, &mirror)) == 0) {
460  * FUNCTION:	assemble_mirror(devconfig_t *request, dlist_t *subs,
463  * INPUT:	request	- pointer to a devconfig_t of the current request
472  *		struct using information from the input request and the
475  *		Determines the name of the mirror either from the request
480  *		number for the mirror if values are specified in the request.
486 	devconfig_t	*request,
496 	    if ((error = devconfig_get_name(request, &name)) != 0) {
538 	    if ((error = get_mirror_read_strategy(request, &read)) == 0) {
547 	    if ((error = get_mirror_write_strategy(request, &write)) == 0) {
556 	    if ((error = get_mirror_pass(request, &pass)) == 0) {
594  * FUNCTION:	layout_stripe_submirrors(devconfig_t *request, dlist_t *cursubs,
597  * INPUT:	request	- pointer to a devconfig_t of the current request
665 	devconfig_t	*request,
719 	 * based on the request, the diskset defaults or the
724 	(error = get_stripe_min_comp(request, &mincomp)) ||
725 	(error = get_stripe_max_comp(request, &maxcomp)) ||
726 	(error = get_volume_faultrecov(request, &usehsp));
767 				    request, mpxio_hbas, (mincomp * nsubs),
772 					request, cursubs, mpxio_hbas, nbytes,
787 			    request, hbas, mincomp, &selhbas, &disks);
799 				    request, cursubs, selhbas, nbytes,
811 			    request, hbas, nsubs, &selhbas, &disks);
823 				    request, cursubs, selhbas, disks,
865 			    request, usable_hbas, nsubs, &selhbas, &disks);
877 				    request, cursubs, selhbas, nbytes,
889 			    request, usable_hbas, nsubs, &selhbas, &disks);
901 				    request, cursubs, selhbas, disks,
913 			    request, usable_hbas, (mincomp * nsubs),
925 				    request, cursubs, selhbas, nbytes,
950  * FUNCTION:	layout_concat_submirrors(devconfig_t *request, dlist_t *cursubs,
953  * INPUT:	request	- pointer to a devconfig_t of the current request
1011 	devconfig_t	*request,
1060 	(error = get_volume_faultrecov(request, &usehsp));
1101 				    request, hbas, nsubs, &selhbas, &disks);
1106 					request, cursubs, mpxio_hbas, nbytes,
1121 			    request, hbas, 1, &selhbas, &disks);
1133 				    request, cursubs, selhbas,
1145 			    request, hbas, 1, &selhbas, &disks);
1156 				request, cursubs, selhbas, disks,
1195 			    request, usable_hbas, 1, &selhbas, &disks);
1206 				    request, cursubs, selhbas,
1217 			    request, usable_hbas, 1, &selhbas, &disks);
1227 				request, cursubs, selhbas, disks,
1236 			    request, usable_hbas, 1, &selhbas, &disks);
1248 				    request, cursubs, selhbas,
1274  * FUNCTION:	compose_stripe_per_hba(devconfig_t *request,
1279  * INPUT:	request	- pointer to a devconfig_t of the current request
1356 	devconfig_t	*request,
1385 	    (error = hba_get_avail_disks_and_space(request,
1419 		    if (((error = populate_stripe(request, nbytes,
1444 			error = hba_get_avail_disks_and_space(request,
1459 				request, nbytes, disks1,
1517  * FUNCTION:	compose_stripes_across_hbas(devconfig_t *request,
1522  * INPUT:	request	- pointer to a devconfig_t of the current request
1580 	devconfig_t	*request,
1622 			request, nbytes, disks_copy, ncomp, cursubs, &stripe);
1666  * FUNCTION:	compose_stripes_within_hba(devconfig_t *request,
1671  * INPUT:	request	- pointer to a devconfig_t of the current request
1734 	devconfig_t	*request,
1761 	    (error = hba_get_avail_disks_and_space(request,
1801 			    request, nbytes, disks, ncomp, cursubs, &stripe);
1843  * FUNCTION:	compose_concats_per_hba(devconfig_t *request,
1847  * INPUT:	request	- pointer to a devconfig_t of the current request
1886 	devconfig_t	*request,
1912 	    error = hba_get_avail_disks_and_space(request, hba, &disks, &space);
1915 			request, nbytes, disks, cursubs, &concat);
1946  * FUNCTION:	compose_concats_across_hbas(devconfig_t *request,
1950  * INPUT:	request	- pointer to a devconfig_t of the current request
1988 	devconfig_t	*request,
2018 		    request, nbytes, disks_copy, cursubs, &concat);
2054  * FUNCTION:	compose_concats_within_hba(devconfig_t *request,
2058  * INPUT:	request	- pointer to a devconfig_t of the current request
2106 	devconfig_t	*request,
2131 	    error = hba_get_avail_disks_and_space(request, hba, &disks, &space);
2141 			    request, nbytes, disks, cursubs, &concat);
2344  * INPUT:	reqs	- pointer to a list of request devconfig_ts
2378  * INPUT:	req	- pointer to a request devconfig_t
2389  *		If a name is specified in the request, the name is used