Function dfs_vnode_find

components/dfs/dfs_v1/src/dfs_file.c:117–141

* @brief Find a DFS vnode by its path. * * This function searches for a vnode in the vnode hash table using the specified path. * If found, it returns a pointer to the vnode and updates the hash head if required. * * @param path The file path to search for. This should be a valid null-terminated string. * @param hash_head Pointer to a location where the hash table head associated with the vn

 *       - If `hash_head` is not NULL, it points to a valid location to store the hash head.
 */
static struct dfs_vnode *dfs_vnode_find(const char *path, rt_list_t **hash_head)
{
    struct dfs_vnode *vnode = NULL;
    int hash = bkdr_hash(path);
    rt_list_t *hh;

    hh = dfs_fm.head[hash].next;

    if (hash_head)
    {
        *hash_head = &dfs_fm.head[hash];
    }

    while (hh != &dfs_fm.head[hash])
    {
        vnode = rt_container_of(hh, struct dfs_vnode, list);
        if (rt_strcmp(path, vnode->fullpath) == 0)
        {
            /* found */
            return vnode;
        }
        hh = hh->next;
    }
    return NULL;
}

/**
 * @addtogroup group_fs_file_api