linux-kernel - Re: [PATCH V7 1/3] fuse_kernel.h: bring up to baseline 6.19

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Message-ID: <CAJnrk1Z9BuCLZv576Ro9iYUPRDpW=1euG0rQ2wC_19sBcR18pw@mail.gmail.com>
Date: Fri, 30 Jan 2026 14:53:13 -0800
From: Joanne Koong <joannelkoong@...il.com>
To: John Groves <john@...alactic.com>
Cc: John Groves <John@...ves.net>, Miklos Szeredi <miklos@...redi.hu>, 
	Dan Williams <dan.j.williams@...el.com>, Bernd Schubert <bschubert@....com>, 
	Alison Schofield <alison.schofield@...el.com>, John Groves <jgroves@...ron.com>, 
	John Groves <jgroves@...tmail.com>, Jonathan Corbet <corbet@....net>, 
	Vishal Verma <vishal.l.verma@...el.com>, Dave Jiang <dave.jiang@...el.com>, 
	Matthew Wilcox <willy@...radead.org>, Jan Kara <jack@...e.cz>, 
	Alexander Viro <viro@...iv.linux.org.uk>, David Hildenbrand <david@...nel.org>, 
	Christian Brauner <brauner@...nel.org>, "Darrick J . Wong" <djwong@...nel.org>, 
	Randy Dunlap <rdunlap@...radead.org>, Jeff Layton <jlayton@...nel.org>, 
	Amir Goldstein <amir73il@...il.com>, Jonathan Cameron <Jonathan.Cameron@...wei.com>, 
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	Ackerley Tng <ackerleytng@...gle.com>, Gregory Price <gourry@...rry.net>, 
	Aravind Ramesh <arramesh@...ron.com>, Ajay Joshi <ajayjoshi@...ron.com>, 
	"venkataravis@...ron.com" <venkataravis@...ron.com>, 
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>, 
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	"linux-cxl@...r.kernel.org" <linux-cxl@...r.kernel.org>, 
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH V7 1/3] fuse_kernel.h: bring up to baseline 6.19

On Sun, Jan 18, 2026 at 2:35 PM John Groves <john@...alactic.com> wrote:
>
> From: John Groves <john@...ves.net>
>
> This is copied from include/uapi/linux/fuse.h in 6.19 with no changes.
>
> Signed-off-by: John Groves <john@...ves.net>

This LGTM. We could probably just merge this in already.

Reviewed-by: Joanne Koong <joannelkoong@...il.com>

> ---
>  include/fuse_kernel.h | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/include/fuse_kernel.h b/include/fuse_kernel.h
> index 94621f6..c13e1f9 100644
> --- a/include/fuse_kernel.h
> +++ b/include/fuse_kernel.h
> @@ -239,6 +239,7 @@
>   *  7.45
>   *  - add FUSE_COPY_FILE_RANGE_64
>   *  - add struct fuse_copy_file_range_out
> + *  - add FUSE_NOTIFY_PRUNE
>   */
>
>  #ifndef _LINUX_FUSE_H
> @@ -680,7 +681,7 @@ enum fuse_notify_code {
>         FUSE_NOTIFY_DELETE = 6,
>         FUSE_NOTIFY_RESEND = 7,
>         FUSE_NOTIFY_INC_EPOCH = 8,
> -       FUSE_NOTIFY_CODE_MAX,
> +       FUSE_NOTIFY_PRUNE = 9,
>  };
>
>  /* The read buffer is required to be at least 8k, but may be much larger */
> @@ -1119,6 +1120,12 @@ struct fuse_notify_retrieve_in {
>         uint64_t        dummy4;
>  };
>
> +struct fuse_notify_prune_out {
> +       uint32_t        count;
> +       uint32_t        padding;
> +       uint64_t        spare;
> +};
> +
>  struct fuse_backing_map {
>         int32_t         fd;
>         uint32_t        flags;
> @@ -1131,6 +1138,7 @@ struct fuse_backing_map {
>  #define FUSE_DEV_IOC_BACKING_OPEN      _IOW(FUSE_DEV_IOC_MAGIC, 1, \
>                                              struct fuse_backing_map)
>  #define FUSE_DEV_IOC_BACKING_CLOSE     _IOW(FUSE_DEV_IOC_MAGIC, 2, uint32_t)
> +#define FUSE_DEV_IOC_SYNC_INIT         _IO(FUSE_DEV_IOC_MAGIC, 3)
>
>  struct fuse_lseek_in {
>         uint64_t        fh;
> --
> 2.52.0
>