From: David Howells dhowells@redhat.com
[ Upstream commit ba00b190670809c1a89326d80de96d714f6004f2 ]
In the same spirit as commit ca57f02295f1 ("afs: Fix fileserver probe RTT handling"), don't rule out using a vlserver just because there haven't been enough packets yet to calculate a real rtt. Always set the server's probe rtt from the estimate provided by rxrpc_kernel_get_srtt, which is capped at 1 second.
This could lead to EDESTADDRREQ errors when accessing a cell for the first time, even though the vl servers are known and have responded to a probe.
Fixes: 1d4adfaf6574 ("rxrpc: Make rxrpc_kernel_get_srtt() indicate validity") Signed-off-by: Marc Dionne marc.dionne@auristor.com Signed-off-by: David Howells dhowells@redhat.com cc: linux-afs@lists.infradead.org Link: http://lists.infradead.org/pipermail/linux-afs/2023-June/006746.html Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- fs/afs/vl_probe.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/afs/vl_probe.c b/fs/afs/vl_probe.c index 081b7e5b13f58..163069d9fc161 100644 --- a/fs/afs/vl_probe.c +++ b/fs/afs/vl_probe.c @@ -92,8 +92,8 @@ void afs_vlserver_probe_result(struct afs_call *call) } }
- if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) && - rtt_us < server->probe.rtt) { + rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us); + if (rtt_us < server->probe.rtt) { server->probe.rtt = rtt_us; alist->preferred = index; have_result = true;