On Fri, Jan 22, 2016 at 10:14:39AM -0800, Guenter Roeck wrote:
> cmpxchg() on some architectures (ia64) doesn't like functions as parameters.
> This results in the following compile error on the affected architectures.
>
> fs/aio.c: In function 'aio_thread_fn':
> fs/aio.c:1499:1: error: cast specifies function type
> Fixes: 6a81013efc40 ("aio: add support for IOCB_CMD_POLL via aio thread helper")
Ah, I was wondering if there was an easy way to fix this bug. Applied --
thanks!
-ben
> Cc: Benjamin LaHaise <bcrl@xxxxxxxxx>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> No idea if this is the correct or an acceptable fix.
> If not, please consider this to be a bug report.
>
> fs/aio.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/aio.c b/fs/aio.c
> index 56bcdf4105f4..229a91e391df 100644
> --- a/fs/aio.c
> +++ b/fs/aio.c
> @@ -1495,8 +1495,8 @@ static void aio_thread_fn(struct work_struct *work)
> * cancellation if it has not already occurred.
> */
> old_cancel = cmpxchg(&iocb->ki_cancel,
> - aio_thread_queue_iocb_cancel_early,
> - aio_thread_queue_iocb_cancel);
> + (kiocb_cancel_fn *)aio_thread_queue_iocb_cancel_early,
> + (kiocb_cancel_fn *)aio_thread_queue_iocb_cancel);
> if (old_cancel != KIOCB_CANCELLED)
> ret = iocb->ki_work_fn(iocb);
> else
> --
> 2.1.4
--
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