On Wednesday, November 30, 2011, Jeff Layton wrote:
> On Wed, 30 Nov 2011 11:03:59 +0530
> "Srivatsa S. Bhat" <srivatsa.bhat@xxxxxxxxxxxxxxxxxx> wrote:
[...]
>
> cifs: attempt to freeze while looping on a receive attempt
>
> In the recent overhaul of the demultiplex thread receive path, we
> neglected to ensure that we attempt to freeze on each pass through the
> loop.
>
> Reported-by: Woody Suwalski <terraluna977@xxxxxxxxx>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
I suppose this patch is going to go through the CIFS tree?
Rafael
> ---
> fs/cifs/connect.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index bf82f88..d166e3a 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -441,6 +441,8 @@ cifs_readv_from_socket(struct TCP_Server_Info *server, struct kvec *iov_orig,
> smb_msg.msg_controllen = 0;
>
> for (total_read = 0; to_read; total_read += length, to_read -= length) {
> + try_to_freeze();
> +
> if (server_unresponsive(server)) {
> total_read = -EAGAIN;
> break;
>
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