diff options
author | NeilBrown <neilb@suse.com> | 2019-05-30 10:41:28 +1000 |
---|---|---|
committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-07-06 14:54:50 -0400 |
commit | 5a0c257f8e0f4c4b3c33dff545317c21a921303e (patch) | |
tree | a1b50f2ffd25d25819faaea8045e814edec64324 /include/linux/sunrpc | |
parent | 53c326307156249253be36b33cd6c32f4a24f9b2 (diff) |
NFS: send state management on a single connection.
With NFSv4.1, different network connections need to be explicitly
bound to a session. During session startup, this is not possible
so only a single connection must be used for session startup.
So add a task flag to disable the default round-robin choice of
connections (when nconnect > 1) and force the use of a single
connection.
Then use that flag on all requests for session management - for
consistence, include NFSv4.0 management (SETCLIENTID) and session
destruction
Reported-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r-- | include/linux/sunrpc/sched.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index d0e451868f02..11424bdf09e6 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -126,6 +126,7 @@ struct rpc_task_setup { #define RPC_CALL_MAJORSEEN 0x0020 /* major timeout seen */ #define RPC_TASK_ROOTCREDS 0x0040 /* force root creds */ #define RPC_TASK_DYNAMIC 0x0080 /* task was kmalloc'ed */ +#define RPC_TASK_NO_ROUND_ROBIN 0x0100 /* send requests on "main" xprt */ #define RPC_TASK_SOFT 0x0200 /* Use soft timeouts */ #define RPC_TASK_SOFTCONN 0x0400 /* Fail if can't connect */ #define RPC_TASK_SENT 0x0800 /* message was sent */ |