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From: Al Viro <viro@zeniv.linux.org.uk>
To: David Howells <dhowells@redhat.com>
Cc: Steve French <smfrench@gmail.com>,
	Steve French <sfrench@samba.org>,
	Shyam Prasad N <nspmangalore@gmail.com>,
	Rohith Surabattula <rohiths.msft@gmail.com>,
	linux-cifs@vger.kernel.org, Jeff Layton <jlayton@kernel.org>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/7] cifs: Add a function to read into an iter from a socket
Date: Sat, 24 Sep 2022 03:50:19 +0100	[thread overview]
Message-ID: <Yy5wa7MAmb7AkoPa@ZenIV> (raw)
In-Reply-To: <166126395495.708021.12328677373159554478.stgit@warthog.procyon.org.uk>

On Tue, Aug 23, 2022 at 03:12:34PM +0100, David Howells wrote:
> +int
> +cifs_read_iter_from_socket(struct TCP_Server_Info *server, struct iov_iter *iter,
> +			   unsigned int to_read)
> +{
> +	struct msghdr smb_msg;
> +	int ret;
> +
> +	smb_msg.msg_iter = *iter;

> +	if (smb_msg.msg_iter.count > to_read)
> +		smb_msg.msg_iter.count = to_read;

ITYM
	iov_iter_truncate(&smb_msg.msg_iter, to_read);

> +	ret = cifs_readv_from_socket(server, &smb_msg);
> +	if (ret > 0)
> +		iov_iter_advance(iter, ret);
> +	return ret;
> +}
> +
>  static bool
>  is_smb_response(struct TCP_Server_Info *server, unsigned char type)
>  {
> 
> 

  reply	other threads:[~2022-09-24  2:50 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-23 14:12 [PATCH 0/7] smb3: Add iter helpers and use iov_iters down to the network transport David Howells
2022-08-23 14:12 ` [PATCH 1/7] iov_iter: Add a function to extract an iter's buffers to a bvec iter David Howells
2022-08-24  3:52   ` Christoph Hellwig
2022-08-26 21:21   ` Al Viro
2022-10-14 14:06   ` David Howells
2022-08-23 14:12 ` [PATCH 2/7] iov_iter: Add a general purpose iteration function David Howells
2022-08-26 21:35   ` Al Viro
2022-08-23 14:12 ` [PATCH 3/7] cifs: Add some helper functions David Howells
2022-08-23 14:12 ` [PATCH 4/7] cifs: Add a function to read into an iter from a socket David Howells
2022-09-24  2:50   ` Al Viro [this message]
2022-08-23 14:12 ` [PATCH 5/7] cifs: Change the I/O paths to use an iterator rather than a page list David Howells
2022-09-24  4:34   ` Al Viro
2022-08-23 14:12 ` [PATCH 6/7] cifs: Remove unused code David Howells
2022-08-23 14:12 ` [PATCH 7/7] cifs: Add some RDMA send tracepoints David Howells
  -- strict thread matches above, loose matches on Subject: below --
2022-05-25 14:26 [PATCH 0/7] cifs: Use iov_iters down to the network transport David Howells
2022-05-25 14:26 ` [PATCH 4/7] cifs: Add a function to read into an iter from a socket David Howells

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