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Message-ID: <20220729204730.GA3625@redhat.com>
Date:   Fri, 29 Jul 2022 22:47:32 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Tycho Andersen <tycho@...ho.pizza>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Al Viro <viro@...IV.linux.org.uk>
Subject: Re: [RFC][PATCH] fuse: In fuse_flush only wait if someone wants the
 return code

On 07/29, Eric W. Biederman wrote:
>
> +static int fuse_flush_async(struct file *file, fl_owner_t id)
> +{
> +	struct inode *inode = file_inode(file);
> +	struct fuse_mount *fm = get_fuse_mount(inode);
> +	struct fuse_file *ff = file->private_data;
> +	struct fuse_flush_args *fa;
> +	int err;
> +
> +	fa = kzalloc(sizeof(*fa), GFP_KERNEL);
> +	if (!fa)
> +		return -ENOMEM;
> +
> +	fa->inarg.fh = ff->fh;
> +	fa->inarg.lock_owner = fuse_lock_owner_id(fm->fc, id);
> +	fa->args.opcode = FUSE_FLUSH;
> +	fa->args.nodeid = get_node_id(inode);
> +	fa->args.in_numargs = 1;
> +	fa->args.in_args[0].size = sizeof(fa->inarg);
> +	fa->args.in_args[0].value = &fa->inarg;
> +	fa->args.force = true;
> +	fa->args.end = fuse_flush_end;
> +	fa->inode = inode;
> +	__iget(inode);

Hmm... who does iput() ?

Oleg.

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