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b85d880684
linux/net/sunrpc
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Chuck Lever b85d880684 SUNRPC: select privileged port numbers at random 
Make the RPC client select privileged ephemeral source ports at
random.  This improves DRC behavior on the server by using the
same port when reconnecting for the same mount point, but using
a different port for fresh mounts.

The Linux TCP implementation already does this for nonprivileged
ports.  Note that TCP sockets in TIME_WAIT will prevent quick reuse
of a random ephemeral port number by leaving the port INUSE until
the connection transitions out of TIME_WAIT.

Test plan:
Connectathon against every known server implementation using multiple
mount points.  Locking especially.

Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-06-09 09:34:05 -04:00
..
auth_gss SUNRPC: Dead code in net/sunrpc/auth_gss/auth_gss.c 2006-04-19 13:06:49 -04:00
auth_null.c [PATCH] RPC: Eliminate socket.h includes in RPC client 2005-09-23 12:38:23 -04:00
auth_unix.c SUNRPC: Fix a lock recursion in the auth_gss downcall 2006-02-01 12:52:23 -05:00
auth.c SUNRPC: Auto-load RPC authentication kernel modules 2006-03-20 13:44:08 -05:00
cache.c [PATCH] knfsd: Fix two problems that can cause rmmod nfsd to die 2006-05-23 10:35:31 -07:00
clnt.c SUNRPC: Ensure rpc_call_async() always calls tk_ops->rpc_release() 2006-03-20 18:11:10 -05:00
Makefile [PATCH] RPC: introduce client-side transport switch 2005-09-23 12:38:12 -04:00
pmap_clnt.c SUNRPC: eliminate rpc_call() 2006-03-20 13:44:23 -05:00
rpc_pipe.c [PATCH] mark f_ops const in the inode 2006-03-28 09:16:05 -08:00
sched.c [PATCH] mempool: use mempool_create_slab_pool() 2006-03-26 08:57:00 -08:00
socklib.c [NET]: Detect hardware rx checksum faults correctly 2005-11-10 13:01:24 -08:00
stats.c NFS: make 2 functions static 2006-04-19 12:43:47 -04:00
sunrpc_syms.c [PATCH] fs/nfsd/export.c,net/sunrpc/cache.c: make needlessly global code static 2006-03-27 08:44:43 -08:00
svc.c [NET]: Remove more unneeded typecasts on *malloc() 2006-01-11 16:32:14 -08:00
svcauth_unix.c [PATCH] knfsd: Tidy up unix_domain_find 2006-03-27 08:44:43 -08:00
svcauth.c [PATCH] knfsd: Change the store of auth_domains to not be a 'cache' 2006-03-27 08:44:41 -08:00
svcsock.c [NET]: sem2mutex part 2 2006-03-20 22:35:41 -08:00
sysctl.c SUNRPC: allow sunrpc.o to link when CONFIG_SYSCTL is disabled 2005-11-04 15:39:45 -05:00
timer.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
xdr.c SUNRPC: net/sunrpc/xdr.c: remove xdr_decode_string() 2006-01-06 14:58:53 -05:00
xprt.c SUNRPC: Fix memory barriers for req->rq_received 2006-03-20 13:44:51 -05:00
xprtsock.c SUNRPC: select privileged port numbers at random 2006-06-09 09:34:05 -04:00