57     int fd;  in dumpState()  local
58     if ((fd = open("/dev/device-mapper", O_RDWR | O_CLOEXEC)) < 0) {  in dumpState()
68     if (ioctl(fd, DM_LIST_DEVICES, io)) {  in dumpState()
72         close(fd);  in dumpState()
80         close(fd);  in dumpState()
91         if (ioctl(fd, DM_DEV_STATUS, io2)) {  in dumpState()
113     close(fd);  in dumpState()
140     int fd;  in lookupActive()  local
141     if ((fd = open("/dev/device-mapper", O_RDWR | O_CLOEXEC)) < 0) {  in lookupActive()
150     if (ioctl(fd, DM_DEV_STATUS, io)) {  in lookupActive()
155         close(fd);  in lookupActive()
158     close(fd);  in lookupActive()
174     int fd;  in create()  local
175     if ((fd = open("/dev/device-mapper", O_RDWR | O_CLOEXEC)) < 0) {  in create()
186     if (ioctl(fd, DM_DEV_CREATE, io)) {  in create()
189         close(fd);  in create()
201     if (ioctl(fd, DM_DEV_SET_GEOMETRY, io)) {  in create()
204         close(fd);  in create()
210     if (ioctl(fd, DM_DEV_STATUS, io)) {  in create()
213         close(fd);  in create()
241     if (ioctl(fd, DM_TABLE_LOAD, io)) {  in create()
244         close(fd);  in create()
251     if (ioctl(fd, DM_DEV_SUSPEND, io)) {  in create()
254         close(fd);  in create()
260     close(fd);  in create()
271     int fd;  in destroy()  local
272     if ((fd = open("/dev/device-mapper", O_RDWR | O_CLOEXEC)) < 0) {  in destroy()
283     if (ioctl(fd, DM_DEV_REMOVE, io)) {  in destroy()
288         close(fd);  in destroy()
293     close(fd);  in destroy()