linux/net/sunrpc
Chuck Lever 6ddc9deacc SUNRPC: Fix backchannel reply, again
I still see "RPC: Could not send backchannel reply error: -110"
quite often, along with slow-running tests. Debugging shows that the
backchannel is still stumbling when it has to queue a callback reply
on a busy transport.

Note that every one of these timeouts causes a connection loss by
virtue of the xprt_conditional_disconnect() call in that arm of
call_cb_transmit_status().

I found that setting to_maxval is necessary to get the RPC timeout
logic to behave whenever to_exponential is not set.

Fixes: 57331a59ac ("NFSv4.1: Use the nfs_client's rpc timeouts for backchannel")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2024-06-21 17:26:02 -04:00
..
auth_gss NFS client bugfixes for Linux 6.10 2024-06-13 11:07:32 -07:00
xprtrdma NFS client updates for Linux 6.10 2024-05-23 13:51:09 -07:00
.kunitconfig SUNRPC: Remove RPCSEC_GSS_KRB5_ENCTYPES_DES 2023-08-29 17:45:22 -04:00
addr.c net: sunrpc: Fix an off by one in rpc_sockaddr2uaddr() 2024-02-28 16:18:18 -05:00
auth_null.c
auth_tls.c SUNRPC: Fail quickly when server does not recognize TLS 2023-09-27 15:16:40 -04:00
auth_unix.c SUNRPC: Fix unx_lookup_cred() allocation 2022-03-22 15:52:55 -04:00
auth.c cred: get rid of CONFIG_DEBUG_CREDENTIALS 2023-12-15 14:19:48 -08:00
backchannel_rqst.c SUNRPC: change the back-channel queue to lwq 2023-10-16 12:44:08 -04:00
cache.c treewide: use get_random_u32_below() instead of deprecated function 2022-11-18 02:15:15 +01:00
clnt.c sunrpc: fix NFSACL RPC retry on soft mount 2024-05-20 11:37:15 -04:00
debugfs.c SUNRPC: Cache deferral injection 2022-05-19 12:25:38 -04:00
fail.h SUNRPC: Cache deferral injection 2022-05-19 12:25:38 -04:00
Kconfig SUNRPC: Remove CONFIG_RPCSEC_GSS_KRB5_CRYPTOSYSTEM 2023-08-29 17:45:22 -04:00
Makefile SUNRPC: Add RPC client support for the RPC_AUTH_TLS auth flavor 2023-06-19 12:18:36 -04:00
netns.h SUNRPC: Fix occasional warning when destroying gss_krb5_enctypes 2023-02-20 09:20:57 -05:00
rpc_pipe.c mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
rpcb_clnt.c SUNRPC: Add an IS_ERR() check back to where it was 2023-11-01 15:40:44 -04:00
sched.c SUNRPC: Don't change task->tk_status after the call to rpc_exit_task 2023-05-19 16:50:05 -04:00
socklib.c use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
socklib.h
stats.c sunrpc: use the struct net as the svc proc private 2024-03-01 09:12:09 -05:00
sunrpc_syms.c net: fill in MODULE_DESCRIPTION()s for Sun RPC 2024-01-11 16:16:08 -08:00
sunrpc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE 2022-06-10 14:51:35 +02:00
svc_xprt.c SUNRPC: Remove comment for sp_lock 2024-05-06 09:07:23 -04:00
svc.c SUNRPC: Fix backchannel reply, again 2024-06-21 17:26:02 -04:00
svcauth_unix.c SUNRPC: Add enum svc_auth_status 2023-08-29 17:45:22 -04:00
svcauth.c SUNRPC: Add a server-side API for retrieving an RPC's pseudoflavor 2024-01-07 17:54:25 -05:00
svcsock.c SUNRPC: Fix a slow server-side memory leak with RPC-over-TCP 2024-04-04 09:43:02 -04:00
sysctl.c net: sunrpc: Remove the now superfluous sentinel elements from ctl_table array 2024-05-03 13:29:42 +01:00
sysfs.c SUNRPC: Add a TCP-with-TLS RPC transport class 2023-06-19 12:28:10 -04:00
sysfs.h NFS: Add sysfs links to sunrpc clients for nfs_clients 2023-06-19 15:04:13 -04:00
timer.c
xdr.c NFS CLient Updates for Linux 6.6 2023-08-31 15:36:41 -07:00
xprt.c SUNRPC: Add a transport callback to handle dequeuing of an RPC request 2024-02-28 15:00:14 -05:00
xprtmultipath.c SUNRPC: fix _xprt_switch_find_current_entry logic 2024-01-04 10:47:56 -05:00
xprtsock.c net: sunrpc: Remove the now superfluous sentinel elements from ctl_table array 2024-05-03 13:29:42 +01:00