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a25a4cb3af
linux/net/sunrpc
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Chuck Lever a25a4cb3af sunrpc: Add static trace point to report result of RPC ping 
This information can help track down local misconfiguration issues
as well as network partitions and unresponsive servers.

There are several ways to send a ping, and with transport multi-
plexing, the exact rpc_xprt that is used is sometimes not known by
the upper layer. The rpc_xprt pointer passed to the trace point
call also has to be RCU-safe.

I found a spot inside the client FSM where an rpc_xprt pointer is
always available and safe to use.

Suggested-by: Bill Baker <Bill.Baker@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-04-10 16:06:22 -04:00
..
auth_gss kernel: make groups_sort calling a responsibility group_info allocators 2017-12-14 16:00:49 -08:00
xprtrdma SUNRPC: Make RTT measurement more precise (Send) 2018-04-10 16:06:22 -04:00
addr.c
auth_generic.c NFS client updates for Linux 4.9 2016-10-13 21:28:20 -07:00
auth_null.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
auth_unix.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
auth.c sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h> 2017-03-02 08:42:31 +01:00
backchannel_rqst.c SUNRPC: Don't hold the transport lock when receiving backchannel data 2017-08-16 15:10:16 -04:00
cache.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
clnt.c sunrpc: Add static trace point to report result of RPC ping 2018-04-10 16:06:22 -04:00
debugfs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig svcrdma: Introduce local rdma_rw API helpers 2017-04-25 17:25:55 -04:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netns.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rpc_pipe.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
rpcb_clnt.c sunrpc: remove net pointer from messages 2017-11-17 16:43:51 -05:00
sched.c sunrpc: Simplify synopsis of some trace points 2018-04-10 16:06:22 -04:00
socklib.c
stats.c sunrpc: Add static trace point to report RPC latency stats 2018-04-10 16:06:22 -04:00
sunrpc_syms.c sunrpc: exit_net cleanup check added 2017-11-17 16:43:50 -05:00
sunrpc.h xprtrdma: "Support" call-only RPCs 2018-04-10 16:06:22 -04:00
svc_xprt.c treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts 2017-11-21 16:35:54 -08:00
svc.c Modules updates for v4.15 2017-11-15 13:46:33 -08:00
svcauth_unix.c kernel: make groups_sort calling a responsibility group_info allocators 2017-12-14 16:00:49 -08:00
svcauth.c locking/atomic, kref: Implement kref_put_lock() 2017-01-18 10:03:29 +01:00
svcsock.c This request is late, apologies. 2018-02-08 15:18:32 -08:00
sysctl.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
timer.c
xdr.c sunrpc: Fix xdr_init_decode_pages() documenting comment 2017-04-25 16:12:34 -04:00
xprt.c SUNRPC: Make num_reqs a non-atomic integer 2018-04-10 16:06:22 -04:00
xprtmultipath.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xprtsock.c SUNRPC: Make RTT measurement more precise (Send) 2018-04-10 16:06:22 -04:00