Hi,
On 12/14/2012 10:36 AM, sumit.semwal@xxxxxx wrote:
> From: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
>
> Add debugfs support to make it easier to print debug information
> about the dma-buf buffers.
>
> Signed-off-by: Sumit Semwal <sumit.semwal@xxxxxx>
> ---
> drivers/base/dma-buf.c | 149 +++++++++++++++++++++++++++++++++++++++++++++++
> include/linux/dma-buf.h | 6 +-
> 2 files changed, 154 insertions(+), 1 deletion(-)
[...]
> diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
> index bd2e52c..160453f 100644
> --- a/include/linux/dma-buf.h
> +++ b/include/linux/dma-buf.h
> @@ -112,6 +112,7 @@ struct dma_buf_ops {
> * @file: file pointer used for sharing buffers across, and for refcounting.
> * @attachments: list of dma_buf_attachment that denotes all devices attached.
> * @ops: dma_buf_ops associated with this buffer object.
> + * @list_node: node for dma_buf accounting and debugging.
> * @priv: exporter specific private data for this buffer object.
> */
> struct dma_buf {
> @@ -121,6 +122,8 @@ struct dma_buf {
> const struct dma_buf_ops *ops;
> /* mutex to serialize list manipulation and attach/detach */
> struct mutex lock;
> +
> + struct list_head list_node;
> void *priv;
> };
>
> @@ -183,5 +186,6 @@ int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *,
> unsigned long);
> void *dma_buf_vmap(struct dma_buf *);
> void dma_buf_vunmap(struct dma_buf *, void *vaddr);
> -
> +int dma_buf_debugfs_create_file(const char *name,
> + int (*write)(struct seq_file *));
Why is this function declared in the public header file?
--
Francesco
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