Re: [PATCH V8 3/3] fuse: Handle AIO read and write in passthrough

[Jens Axboe]

On 9/11/20 10:34 AM, Alessio Balsini wrote:
> Extend the passthrough feature by handling asynchronous IO both for read
> and write operations.
> When an AIO request is received, targeting a FUSE file with passthrough
> functionality enabled, a new identical AIO request is created, the file
> pointer of which is updated with the file pointer of the lower file system,
> and the completion handler is set with a special AIO passthrough handler.
> The lower file system AIO request is allocated in dynamic kernel memory
> and, when it completes, the allocated memory is freed and the completion
> signal is propagated to the FUSE AIO request by triggering its completion
> callback as well.
> 
> Signed-off-by: Alessio Balsini <balsini@xxxxxxxxxxx>
> ---
>  fs/fuse/passthrough.c | 66 +++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 63 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/fuse/passthrough.c b/fs/fuse/passthrough.c
> index 44a78e02f45d..87b57b26fd8a 100644
> --- a/fs/fuse/passthrough.c
> +++ b/fs/fuse/passthrough.c
> @@ -2,10 +2,16 @@
>  
>  #include "fuse_i.h"
>  
> +#include <linux/aio.h>

What is this include for? It's not using any aio parts at all.

-- 
Jens Axboe