Function _dentry_hash_lookup

components/dfs/dfs_v2/src/dfs_dentry.c:229–251

* @brief Look up a directory entry (dentry) in hash table by mount point and path * * @param[in] mnt Pointer to the mount point structure to search for * @param[in] path Path string to search for * * @return struct dfs_dentry* Pointer to found dentry (with increased ref_count), or NULL if not found */

 * @return struct dfs_dentry* Pointer to found dentry (with increased ref_count), or NULL if not found
 */
static struct dfs_dentry *_dentry_hash_lookup(struct dfs_mnt *mnt, const char *path)
{
    rt_err_t ret = RT_EOK;
    struct dfs_dentry *entry = RT_NULL;

    ret = dfs_file_lock();
    if (ret == RT_EOK)
    {
        rt_list_for_each_entry(entry, &hash_head.head[_dentry_hash(mnt, path)], hashlist)
        {
            if (entry->mnt == mnt && !strcmp(entry->pathname, path))
            {
                dfs_dentry_ref(entry);
                dfs_file_unlock();
                return entry;
            }
        }

        dfs_file_unlock();
    }

    return RT_NULL;
}

/**
 * @brief Insert a directory entry (dentry) into the hash table