kernel/fs/vfs.cpp

85 #define HAS_FS_MOUNT_CALL(mount, op)	(mount->volume->ops->op != NULL)
90 			vnode->ops->op(vnode->mount->volume, vnode, params) \
94 			vnode->ops->op(vnode->mount->volume, vnode) \
98 			mount->volume->ops->op(mount->volume, params) \
102 			mount->volume->ops->op(mount->volume) \
106 			vnode->ops->op(vnode->mount->volume, vnode, params)
108 			vnode->ops->op(vnode->mount->volume, vnode)
110 			mount->volume->ops->op(mount->volume, params)
112 			mount->volume->ops->op(mount->volume)
138 		volume(NULL),
149 		while (volume) {
150 			fs_volume* superVolume = volume->super_volume;
152 			if (volume->file_system != NULL)
153 				put_module(volume->file_system->info.name);
155 			free(volume->file_system_name);
156 			free(volume);
157 			volume = superVolume;
163 	fs_volume*		volume;
1125 		return create_fifo_vnode(vnode->mount->volume, vnode);
3016 	fs_volume* volume = mount->volume;
3017 	while (volume != NULL) {
3018 		kprintf(" volume %p:\n", volume);
3019 		kprintf("  layer:            %" B_PRId32 "\n", volume->layer);
3020 		kprintf("  private_volume:   %p\n", volume->private_volume);
3021 		kprintf("  ops:              %p\n", volume->ops);
3022 		kprintf("  file_system:      %p\n", volume->file_system);
3023 		kprintf("  file_system_name: %s\n", volume->file_system_name);
3024 		volume = volume->super_volume;
3027 	set_debug_variable("_volume", (addr_t)mount->volume->private_volume);
3219 			mount->root_vnode->covers, mount->volume->private_volume,
3220 			mount->volume->file_system_name);
3222 		fs_volume* volume = mount->volume;
3223 		while (volume->super_volume != NULL) {
3224 			volume = volume->super_volume;
3226 				volume->private_volume, volume->file_system_name);
3680 new_vnode(fs_volume* volume, ino_t vnodeID, void* privateNode,
3683 	FUNCTION(("new_vnode(volume = %p (%" B_PRId32 "), vnodeID = %" B_PRId64
3684 		", node = %p)\n", volume, volume->id, vnodeID, privateNode));
3694 	status_t status = create_new_vnode_and_lock(volume->id, vnodeID, vnode,
3704 		if (!retry_busy_vnode(tries, volume->id, vnodeID))
3713 			"vnode->node = %p)!", volume->id, vnodeID, privateNode,
3729 publish_vnode(fs_volume* volume, ino_t vnodeID, void* privateNode,
3738 	struct vnode* vnode = lookup_vnode(volume->id, vnodeID);
3748 		status_t status = create_new_vnode_and_lock(volume->id, vnodeID, vnode,
3765 		if (!retry_busy_vnode(tries, volume->id, vnodeID))
3781 	if (volume->sub_volume != NULL || publishSpecialSubNode) {
3784 		fs_volume* subVolume = volume;
3785 		if (volume->sub_volume != NULL) {
3798 			while (subVolume->super_volume != volume) {
3828 get_vnode(fs_volume* volume, ino_t vnodeID, void** _privateNode)
3832 	if (volume == NULL)
3835 	status_t status = get_vnode(volume->id, vnodeID, &vnode, true, true);
3843 		status_t status = FS_CALL(vnode, get_super_vnode, volume,
3847 				"volume: %p", vnode, volume);
3862 acquire_vnode(fs_volume* volume, ino_t vnodeID)
3866 	struct vnode* vnode = lookup_vnode(volume->id, vnodeID);
3876 put_vnode(fs_volume* volume, ino_t vnodeID)
3881 	vnode = lookup_vnode(volume->id, vnodeID);
3893 remove_vnode(fs_volume* volume, ino_t vnodeID)
3897 	struct vnode* vnode = lookup_vnode(volume->id, vnodeID);
3931 unremove_vnode(fs_volume* volume, ino_t vnodeID)
3937 	vnode = lookup_vnode(volume->id, vnodeID);
3949 get_vnode_removed(fs_volume* volume, ino_t vnodeID, bool* _removed)
3953 	if (struct vnode* vnode = lookup_vnode(volume->id, vnodeID)) {
3970 	return vnode->mount->volume;
4278 vfs_get_fs_node_from_path(fs_volume* volume, const char* path,
4281 	TRACE(("vfs_get_fs_node_from_path(volume = %p, path = \"%s\", kernel %d)\n",
4282 		volume, path, kernel));
4289 	status_t status = get_mount(volume->id, &mount);
4312 	if (vnode->device != volume->id) {
4318 	status = get_vnode(volume, vnode->id, _node);
7016 	// are the files on the same volume?
7335 	fs_volume* volume = NULL;
7469 	mount->volume = NULL;
7471 	// build up the volume(s)
7484 		volume = (fs_volume*)malloc(sizeof(fs_volume));
7485 		if (volume == NULL) {
7490 		volume->id = mount->id;
7491 		volume->partition = partition != NULL ? partition->ID() : -1;
7492 		volume->layer = layer++;
7493 		volume->private_volume = NULL;
7494 		volume->ops = NULL;
7495 		volume->sub_volume = NULL;
7496 		volume->super_volume = NULL;
7497 		volume->file_system = NULL;
7498 		volume->file_system_name = NULL;
7500 		volume->file_system_name = get_file_system_name(layerFSName);
7501 		if (volume->file_system_name == NULL) {
7503 			free(volume);
7507 		volume->file_system = get_file_system(layerFSName);
7508 		if (volume->file_system == NULL) {
7510 			free(volume->file_system_name);
7511 			free(volume);
7515 		if (mount->volume == NULL)
7516 			mount->volume = volume;
7518 			volume->super_volume = mount->volume;
7519 			mount->volume->sub_volume = volume;
7520 			mount->volume = volume;
7539 		status = mount->volume->file_system->mount(mount->volume, device, flags,
7541 		if (status != B_OK || mount->volume->ops == NULL)
7567 		fs_volume* volume = mount->volume;
7568 		while (volume) {
7569 			status = volume->file_system->mount(volume, device, flags, args,
7571 			if (status != B_OK || volume->ops == NULL) {
7572 				if (status == B_OK && volume->ops == NULL)
7574 				if (volume->sub_volume)
7579 			volume = volume->super_volume;
7582 		volume = mount->volume;
7583 		while (volume) {
7584 			if (volume->ops->all_layers_mounted != NULL)
7585 				volume->ops->all_layers_mounted(volume);
7586 			volume = volume->super_volume;
7628 		partition->SetMountCookie(mount->volume->private_volume);
7696 	// if the volume is associated with a partition, lock the device of the
7985 		fs_volume* volume = mount->volume;
7986 		while (volume->super_volume != NULL)
7987 			volume = volume->super_volume;
7989 		strlcpy(info->fsh_name, volume->file_system_name,
8038 		if (mount != NULL && mount->volume->private_volume != NULL)
9518 		put_vnode(dir->mount->volume, nodeID);