48 	struct afs_volume *volume = NULL;  in afs_volume_lookup()  local
90 		volume = vlocation->vols[params->type];  in afs_volume_lookup()
91 		afs_get_volume(volume);  in afs_volume_lookup()
99 	volume = kzalloc(sizeof(struct afs_volume), GFP_KERNEL);  in afs_volume_lookup()
100 	if (!volume)  in afs_volume_lookup()
103 	atomic_set(&volume->usage, 1);  in afs_volume_lookup()
104 	volume->type		= params->type;  in afs_volume_lookup()
105 	volume->type_force	= params->force;  in afs_volume_lookup()
106 	volume->cell		= params->cell;  in afs_volume_lookup()
107 	volume->vid		= vlocation->vldb.vid[params->type];  in afs_volume_lookup()
109 	ret = bdi_setup_and_register(&volume->bdi, "afs");  in afs_volume_lookup()
113 	init_rwsem(&volume->server_sem);  in afs_volume_lookup()
117 		if (vlocation->vldb.srvtmask[loop] & (1 << volume->type)) {  in afs_volume_lookup()
119 			       volume->cell, &vlocation->vldb.servers[loop]);  in afs_volume_lookup()
125 			volume->servers[volume->nservers] = server;  in afs_volume_lookup()
126 			volume->nservers++;  in afs_volume_lookup()
132 	volume->cache = fscache_acquire_cookie(vlocation->cache,  in afs_volume_lookup()
134 					       volume, true);  in afs_volume_lookup()
137 	volume->vlocation = vlocation;  in afs_volume_lookup()
139 	vlocation->vols[volume->type] = volume;  in afs_volume_lookup()
143 	       afs_voltypes[volume->type], volume->vid);  in afs_volume_lookup()
146 	_leave(" = %p", volume);  in afs_volume_lookup()
147 	return volume;  in afs_volume_lookup()
158 	bdi_destroy(&volume->bdi);  in afs_volume_lookup()
162 	for (loop = volume->nservers - 1; loop >= 0; loop--)  in afs_volume_lookup()
163 		afs_put_server(volume->servers[loop]);  in afs_volume_lookup()
165 	kfree(volume);  in afs_volume_lookup()
172 void afs_put_volume(struct afs_volume *volume)  in afs_put_volume()  argument
177 	if (!volume)  in afs_put_volume()
180 	_enter("%p", volume);  in afs_put_volume()
182 	ASSERTCMP(atomic_read(&volume->usage), >, 0);  in afs_put_volume()
184 	vlocation = volume->vlocation;  in afs_put_volume()
190 	if (likely(!atomic_dec_and_test(&volume->usage))) {  in afs_put_volume()
196 	vlocation->vols[volume->type] = NULL;  in afs_put_volume()
202 	fscache_relinquish_cookie(volume->cache, 0);  in afs_put_volume()
206 	for (loop = volume->nservers - 1; loop >= 0; loop--)  in afs_put_volume()
207 		afs_put_server(volume->servers[loop]);  in afs_put_volume()
209 	bdi_destroy(&volume->bdi);  in afs_put_volume()
210 	kfree(volume);  in afs_put_volume()
221 	struct afs_volume *volume = vnode->volume;  in afs_volume_pick_fileserver()  local
225 	_enter("%s", volume->vlocation->vldb.name);  in afs_volume_pick_fileserver()
234 	down_read(&volume->server_sem);  in afs_volume_pick_fileserver()
237 	if (volume->nservers == 0) {  in afs_volume_pick_fileserver()
238 		ret = volume->rjservers ? -ENOMEDIUM : -ESTALE;  in afs_volume_pick_fileserver()
239 		up_read(&volume->server_sem);  in afs_volume_pick_fileserver()
247 	for (loop = 0; loop < volume->nservers; loop++) {  in afs_volume_pick_fileserver()
248 		server = volume->servers[loop];  in afs_volume_pick_fileserver()
257 			up_read(&volume->server_sem);  in afs_volume_pick_fileserver()
294 	up_read(&volume->server_sem);  in afs_volume_pick_fileserver()
310 	struct afs_volume *volume = vnode->volume;  in afs_volume_release_fileserver()  local
314 	       volume->vlocation->vldb.name, ntohl(server->addr.s_addr),  in afs_volume_release_fileserver()
328 		down_write(&volume->server_sem);  in afs_volume_release_fileserver()
332 		for (loop = 0; loop < volume->nservers; loop++)  in afs_volume_release_fileserver()
333 			if (volume->servers[loop] == server)  in afs_volume_release_fileserver()
340 		volume->nservers--;  in afs_volume_release_fileserver()
341 		memmove(&volume->servers[loop],  in afs_volume_release_fileserver()
342 			&volume->servers[loop + 1],  in afs_volume_release_fileserver()
343 			sizeof(volume->servers[loop]) *  in afs_volume_release_fileserver()
344 			(volume->nservers - loop));  in afs_volume_release_fileserver()
345 		volume->servers[volume->nservers] = NULL;  in afs_volume_release_fileserver()
347 		volume->rjservers++;  in afs_volume_release_fileserver()
349 		if (volume->nservers > 0)  in afs_volume_release_fileserver()
359 		up_write(&volume->server_sem);  in afs_volume_release_fileserver()
396 	up_write(&volume->server_sem);  in afs_volume_release_fileserver()