On 11/24/05, Tejun Heo <[email protected]> wrote:
> 09_blk_ide-add-protocol_changed.patch
>
> This patch implements protocol_changed callback for IDE HL
> drivers. The callback is called whenever transfer protocol
> changes (DMA / multisector PIO / PIO). The callback is
> sometimes with context and sometimes without, sometimes with
> queuelock, sometimes not. So, actual callbacks should be
> written carefully.
>
> To hook dma setting changes, this function implements
> ide_dma_on() and ide_dma_off_quietly() which notifies protocl
> change and calls low level driver callback. __ide_dma_off()
> is renamed to ide_dma_off() for consistency. All dma on/off
> operations must be done by using these wrapper functions.
>
> Signed-off-by: Tejun Heo <[email protected]>
NACK
Please fix the real problem instead
(changing of DMA and multicount PIO settings is racy).
Bartlomiej
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]