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53bc19f17f
linux/net/sunrpc
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Chuck Lever 53bc19f17f SUNRPC: receive buffer size estimation values almost never change 
Avoid unnecessary cache sloshing by placing the buffer size
estimation update logic behind an atomic bit flag.

The size of GSS information included in each wrapped Reply does
not change during the lifetime of a GSS context. Therefore, the
au_rslack and au_ralign fields need to be updated only once after
establishing a fresh GSS credential.

Thus a slack size update must occur after a cred is created,
duplicated, renewed, or expires. I'm not sure I have this exactly
right. A trace point is introduced to track updates to these
variables to enable troubleshooting the problem if I missed a spot.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2020-06-11 13:33:47 -04:00
..
auth_gss SUNRPC: receive buffer size estimation values almost never change 2020-06-11 13:33:47 -04:00
xprtrdma SUNRPC: receive buffer size estimation values almost never change 2020-06-11 13:33:47 -04:00
addr.c net: sunrpc: Fix off-by-one issues in 'rpc_ntop6' 2020-05-27 10:08:26 -04:00
auth_null.c SUNRPC: Add rpc_auth::au_ralign field 2019-02-14 11:48:36 -05:00
auth_unix.c SUNRPC: Use the client user namespace when encoding creds 2019-04-26 16:24:32 -04:00
auth.c SUNRPC: Remove broken gss_mech_list_pseudoflavors() 2020-01-15 10:54:32 -05:00
backchannel_rqst.c SUNRPC: Destroy the back channel when we destroy the host transport 2019-10-30 12:04:35 -04:00
cache.c SUNRPC/cache: Fix unsafe traverse caused double-free in cache_purge 2020-04-13 10:28:21 -04:00
clnt.c SUNRPC: 'Directory with parent 'rpc_clnt' already present!' 2020-05-14 16:31:09 -04:00
debugfs.c NFS client updates for Linux 5.3 2019-07-18 14:32:33 -07:00
Kconfig SUNRPC: Drop redundant CONFIG_ from CONFIG_SUNRPC_DISABLE_INSECURE_ENCTYPES 2019-07-06 14:54:53 -04:00
Makefile SUNRPC: remove generic cred code. 2018-12-19 13:52:46 -05:00
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 kernel/notifier.c: remove blocking_notifier_chain_cond_register() 2019-12-04 19:44:12 -08:00
rpcb_clnt.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
sched.c SUNRPC: Don't start a timer on an already queued rpc task 2020-04-04 19:59:27 -04:00
socklib.c SUNRPC: Refactor xs_sendpages() 2020-03-16 12:04:33 -04:00
socklib.h SUNRPC: Refactor xs_sendpages() 2020-03-16 12:04:33 -04:00
stats.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
sunrpc_syms.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
sunrpc.h SUNRPC: Teach server to use xprt_sock_sendmsg for socket sends 2020-03-16 12:04:33 -04:00
svc_xprt.c svcrdma: Fix leak of svc_rdma_recv_ctxt objects 2020-04-17 12:40:38 -04:00
svc.c SUNRPC: Teach server to use xprt_sock_sendmsg for socket sends 2020-03-16 12:04:33 -04:00
svcauth_unix.c nfsd: export upcalls must not return ESTALE when mountd is down 2020-03-16 12:04:33 -04:00
svcauth.c SUNRPC: Trace gssproxy upcall results 2019-10-30 16:32:07 -04:00
svcsock.c svcrdma: Fix leak of svc_rdma_recv_ctxt objects 2020-04-17 12:40:38 -04:00
sysctl.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
timer.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
xdr.c SUNRPC: Revert 241b1f419f ("SUNRPC: Remove xdr_buf_trim()") 2020-04-27 10:58:30 -04:00
xprt.c svcrdma: Create a generic tracing class for displaying xdr_buf layout 2020-03-16 12:04:32 -04:00
xprtmultipath.c SUNRPC: Optimise transport balancing code 2019-07-18 14:43:52 -04:00
xprtsock.c SUNRPC: Fix backchannel RPC soft lockups 2020-04-17 12:40:31 -04:00