[PATCH] video: deferred io cleanup

[PATCH] video: deferred io cleanup

[Magnus Damm]

From: Magnus Damm <damm@igel.co.jp>

Make sure the mmap callback is set to NULL in the deferred io
cleanup function. This way we can enable and disable deferred
io on the fly.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
---

 drivers/video/fb_defio.c |    3 +++
 1 file changed, 3 insertions(+)

--- 0004/drivers/video/fb_defio.c
+++ work/drivers/video/fb_defio.c	2008-12-17 15:32:04.000000000 +0900
@@ -202,6 +202,9 @@ void fb_deferred_io_cleanup(struct fb_in
 		page = vmalloc_to_page(screen_base + i);
 		page->mapping = NULL;
 	}
+
+	info->fbops->fb_mmap = NULL;
+	mutex_destroy(&fbdefio->lock);
 }
 EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup);
 

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Re: [PATCH] video: deferred io cleanup

[Jaya Kumar]

On Wed, Dec 17, 2008 at 3:37 AM, Magnus Damm <magnus.damm@gmail.com> wrote:
> From: Magnus Damm <damm@igel.co.jp>
>
> Make sure the mmap callback is set to NULL in the deferred io
> cleanup function. This way we can enable and disable deferred
> io on the fly.
>
> Signed-off-by: Magnus Damm <damm@igel.co.jp>

Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>

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