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; }