Re: [PATCH 09/14] staging/lustre/ptlrpc: Suppress error for flock requests

From: James Simmons
Date: Sun Nov 06 2016 - 20:57:33 EST



> From: Patrick Farrell <paf@xxxxxxxx>
>
> -EAGAIN is a normal return when requesting POSIX flocks.
> We can't recognize exactly that case here, but it's the
> only case that should result in -EAGAIN on LDLM_ENQUEUE, so
> don't print to console in that case.

Reviewed-by: James Simmons <jsimmons@xxxxxxxxxxxxx>

> Signed-off-by: Patrick Farrell <paf@xxxxxxxx>
> Reviewed-on: http://review.whamcloud.com/22856
> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8658
> Reviewed-by: Andreas Dilger <andreas.dilger@xxxxxxxxx>
> Reviewed-by: Bob Glossman <bob.glossman@xxxxxxxxx>
> Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx>
> ---
> drivers/staging/lustre/lustre/ptlrpc/client.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/lustre/lustre/ptlrpc/client.c b/drivers/staging/lustre/lustre/ptlrpc/client.c
> index 7cbfb4c..bb7ae4e 100644
> --- a/drivers/staging/lustre/lustre/ptlrpc/client.c
> +++ b/drivers/staging/lustre/lustre/ptlrpc/client.c
> @@ -1191,7 +1191,9 @@ static int ptlrpc_check_status(struct ptlrpc_request *req)
> lnet_nid_t nid = imp->imp_connection->c_peer.nid;
> __u32 opc = lustre_msg_get_opc(req->rq_reqmsg);
>
> - if (ptlrpc_console_allow(req))
> + /* -EAGAIN is normal when using POSIX flocks */
> + if (ptlrpc_console_allow(req) &&
> + !(opc == LDLM_ENQUEUE && err == -EAGAIN))
> LCONSOLE_ERROR_MSG(0x011, "%s: operation %s to node %s failed: rc = %d\n",
> imp->imp_obd->obd_name,
> ll_opcode2str(opc),
> --
> 2.7.4
>
>