Source of dma-buf.c - linux-imx - PHYTEC BitBucket (Stash)

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        size += buf_obj->size;
        mutex_unlock(&buf_obj->lock);
    }
​
    seq_printf(s, "\nTotal %d objects, %zu bytes\n", count, size);
​
    mutex_unlock(&db_list.lock);
    return 0;
}
​
static int dma_buf_debug_open(struct inode *inode, struct file *file)
{
    return single_open(file, dma_buf_debug_show, NULL);
}
​
static const struct file_operations dma_buf_debug_fops = {
    .open           = dma_buf_debug_open,
    .read           = seq_read,
    .llseek         = seq_lseek,
    .release        = single_release,
};
DEFINE_SHOW_ATTRIBUTE(dma_buf_debug);
​
static struct dentry *dma_buf_debugfs_dir;
​
static int dma_buf_init_debugfs(void)
{
    struct dentry *d;
    int err = 0;
​
    d = debugfs_create_dir("dma_buf", NULL);
    if (IS_ERR(d))