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Message-ID: <f83b1074-3f20-771f-7b2f-a2fd3ffb4e44@kernel.dk>
Date: Fri, 11 Sep 2020 11:23:22 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Alessio Balsini <balsini@...roid.com>,
Miklos Szeredi <miklos@...redi.hu>
Cc: Akilesh Kailash <akailash@...gle.com>,
Amir Goldstein <amir73il@...il.com>,
David Anderson <dvander@...gle.com>,
Eric Yan <eric.yan@...plus.com>, Jann Horn <jannh@...gle.com>,
Martijn Coenen <maco@...roid.com>,
Palmer Dabbelt <palmer@...belt.com>,
Paul Lawrence <paullawrence@...gle.com>,
Stefano Duo <stefanoduo@...gle.com>,
Zimuzo Ezeozue <zezeozue@...gle.com>,
fuse-devel@...ts.sourceforge.net, kernel-team@...roid.com,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V8 3/3] fuse: Handle AIO read and write in passthrough
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@...roid.com>
> ---
> 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
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