struct block_dev *block_dev_create(char *path, void *driver, void *privdata) {
block_dev_t *bdev;
struct path node, root;
struct nas *nas;
struct node_fi *node_fi;
bdev = block_dev_create_common(path, driver, privdata);
if (NULL == bdev) {
return NULL;
}
vfs_get_root_path(&root);
if (0 != vfs_create(&root, path, S_IFBLK | S_IRALL | S_IWALL, &node)) {
block_dev_free(bdev);
return NULL;
}
bdev->dev_vfs_info = node.node;
nas = node.node->nas;
nas->fs = blockdev_fs;
node_fi = nas->fi;
node_fi->privdata = bdev;
node_fi->ni.size = 0;/*TODO*/
node_fi->ni.mtime = 0;/*TODO*/
return bdev;
}
/**
* @brief Create node in devfs
*
* @param path Name of bdev
* @param driver
* @param privdata
*
* @return Pointer to created device or NULL if failed
*/
struct block_dev *block_dev_create(char *path, void *driver, void *privdata) {
struct block_dev *bdev;
char full_path[256];
struct lookup lu;
struct dev_module *devmod;
if (NULL == (bdev = block_dev_create_common(path, driver, privdata)))
return NULL;
bdev->dev_ops = &bdev_dev_ops;
/* Get root of devfs in smarter way? */
strcpy(full_path, "/dev/");
strcat(full_path, path);
dvfs_lookup("/dev", &lu);
lu.parent = lu.item;
lu.item = NULL;
if (!lu.parent) {
block_dev_free(bdev);
return NULL;
}
devmod = dev_module_create(&block_device, dvfs_last_link(path), bdev);
bdev->dev_module = devmod;
return bdev;
}
int block_dev_destroy(void *dev) {
struct block_dev *bdev;
bdev = block_dev(dev);
vfs_del_leaf(bdev->dev_vfs_info);
block_dev_free(bdev);
return 0;
}