Message ID | 1476980494-2984-1-git-send-email-jlayton@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Thu, Oct 20, 2016 at 12:21:34PM -0400, Jeff Layton wrote: > Currently, when the client continually returns NFS4ERR_DELAY on a > CB_LAYOUTRECALL, we'll give up trying to retransmit after two lease > periods, but leave the layout in place. > > What we really need to do here is fence the client in this case. Have it > fall through to that code in that case instead of into the > NFS4ERR_NOMATCHING_LAYOUT case. Agreed. Looks good: Reviewed-by: Christoph Hellwig <hch@lst.de> -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Fri, Oct 21, 2016 at 02:17:59PM +0200, Christoph Hellwig wrote: > On Thu, Oct 20, 2016 at 12:21:34PM -0400, Jeff Layton wrote: > > Currently, when the client continually returns NFS4ERR_DELAY on a > > CB_LAYOUTRECALL, we'll give up trying to retransmit after two lease > > periods, but leave the layout in place. > > > > What we really need to do here is fence the client in this case. Have it > > fall through to that code in that case instead of into the > > NFS4ERR_NOMATCHING_LAYOUT case. > > Agreed. Looks good: > > Reviewed-by: Christoph Hellwig <hch@lst.de> Thanks, applying for 4.10. --b. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c index 42aace4fc4c8..596205d939a1 100644 --- a/fs/nfsd/nfs4layouts.c +++ b/fs/nfsd/nfs4layouts.c @@ -686,10 +686,6 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task) return 0; } /* Fallthrough */ - case -NFS4ERR_NOMATCHING_LAYOUT: - trace_layout_recall_done(&ls->ls_stid.sc_stateid); - task->tk_status = 0; - return 1; default: /* * Unknown error or non-responding client, we'll need to fence. @@ -702,6 +698,10 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task) else nfsd4_cb_layout_fail(ls); return -1; + case -NFS4ERR_NOMATCHING_LAYOUT: + trace_layout_recall_done(&ls->ls_stid.sc_stateid); + task->tk_status = 0; + return 1; } }
Currently, when the client continually returns NFS4ERR_DELAY on a CB_LAYOUTRECALL, we'll give up trying to retransmit after two lease periods, but leave the layout in place. What we really need to do here is fence the client in this case. Have it fall through to that code in that case instead of into the NFS4ERR_NOMATCHING_LAYOUT case. Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Jeff Layton <jlayton@redhat.com> --- fs/nfsd/nfs4layouts.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)