Lines Matching defs:io
11 static void ioctl_init(struct dm_ioctl *io, size_t dataSize, const char *name, unsigned flags)
13 memset(io, 0, dataSize);
14 io->data_size = dataSize;
15 io->data_start = sizeof(struct dm_ioctl);
16 io->version[0] = 4;
17 io->version[1] = 0;
18 io->version[2] = 0;
19 io->flags = flags;
21 strncpy(io->name, name, sizeof(io->name));
28 struct dm_ioctl *io;
39 io = (struct dm_ioctl *) buffer;
41 ioctl_init(io, DM_CRYPT_BUF_SIZE, NULL, 0);
43 if (ioctl(fd, DM_LIST_VERSIONS, io)) {