65     struct dm_ioctl *io = (struct dm_ioctl *) buffer;  in dumpState()  local
66     ioctlInit(io, (1024 * 64), NULL, 0);  in dumpState()
68     if (ioctl(fd, DM_LIST_DEVICES, io)) {  in dumpState()
76     struct dm_name_list *n = (struct dm_name_list *) (((char *) buffer) + io->data_start);  in dumpState()
117 void Devmapper::ioctlInit(struct dm_ioctl *io, size_t dataSize,  in ioctlInit()  argument
119     memset(io, 0, dataSize);  in ioctlInit()
120     io->data_size = dataSize;  in ioctlInit()
121     io->data_start = sizeof(struct dm_ioctl);  in ioctlInit()
122     io->version[0] = 4;  in ioctlInit()
123     io->version[1] = 0;  in ioctlInit()
124     io->version[2] = 0;  in ioctlInit()
125     io->flags = flags;  in ioctlInit()
127         size_t ret = strlcpy(io->name, name, sizeof(io->name));  in ioctlInit()
128         if (ret >= sizeof(io->name))  in ioctlInit()
147     struct dm_ioctl *io = (struct dm_ioctl *) buffer;  in lookupActive()  local
149     ioctlInit(io, DEVMAPPER_BUFFER_SIZE, name, 0);  in lookupActive()
150     if (ioctl(fd, DM_DEV_STATUS, io)) {  in lookupActive()
160     unsigned minor = (io->dev & 0xff) | ((io->dev >> 12) & 0xfff00);  in lookupActive()
181     struct dm_ioctl *io = (struct dm_ioctl *) buffer;  in create()  local
184     ioctlInit(io, DEVMAPPER_BUFFER_SIZE, name, 0);  in create()
186     if (ioctl(fd, DM_DEV_CREATE, io)) {  in create()
194     ioctlInit(io, DEVMAPPER_BUFFER_SIZE, name, 0);  in create()
201     if (ioctl(fd, DM_DEV_SET_GEOMETRY, io)) {  in create()
209     ioctlInit(io, DEVMAPPER_BUFFER_SIZE, name, 0);  in create()
210     if (ioctl(fd, DM_DEV_STATUS, io)) {  in create()
217     unsigned minor = (io->dev & 0xff) | ((io->dev >> 12) & 0xfff00);  in create()
224     ioctlInit(io, DEVMAPPER_BUFFER_SIZE, name, DM_STATUS_TABLE_FLAG);  in create()
225     io->target_count = 1;  in create()
241     if (ioctl(fd, DM_TABLE_LOAD, io)) {  in create()
249     ioctlInit(io, DEVMAPPER_BUFFER_SIZE, name, 0);  in create()
251     if (ioctl(fd, DM_DEV_SUSPEND, io)) {  in create()
278     struct dm_ioctl *io = (struct dm_ioctl *) buffer;  in destroy()  local
281     ioctlInit(io, DEVMAPPER_BUFFER_SIZE, name, 0);  in destroy()
283     if (ioctl(fd, DM_DEV_REMOVE, io)) {  in destroy()