From mboxrd@z Thu Jan  1 00:00:00 1970
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to: "Nikhilesh Reddy" <reddyn@codeaurora.org>
from: "Andrew Karpow" <andy@ndyk.de>
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subject: =?utf-8?q?Re=3A?==?utf-8?q?_=5Bfuse-devel=5D?==?utf-8?q?_=5BPATCH?=
 =?utf-8?q?_v5=5D?==?utf-8?q?_fuse=3A?= Add support for passthrough
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date: Fri, 04 Mar 2016 13:23:48 +0100
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cc: torvalds@linux-foundation.org,
	"Miklos Szeredi" <miklos@szeredi.hu>,
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	"Mike Shal" <marfey@gmail.com>
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Hi!

Thanks for the passthrough patch, exactly what I was searching for.
I'am currently trying to port your code to a prehistoric RedHat 6 Kernel, but I wonder about some implementation details...
 
> +++ b/fs/fuse/passthrough.c
...
> +void fuse_setup_passthrough(struct fuse_conn *fc, struct fuse_req *req)
..
> +	daemon_fd = (int)open_out->passthrough_fd;
...

> +++ b/include/uapi/linux/fuse.h
...
> @@ -480,7 +481,7 @@ struct fuse_create_in {
>  struct fuse_open_out {
>  	uint64_t	fh;
>  	uint32_t	open_flags;
> -	uint32_t	padding;
> +	int32_t         passthrough_fd;
>  };
 
I don't get where the passthrough_fd struct member is ever set?

with best regards,

Andy