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authorChuck Lever <cel@netapp.com>2006-03-20 13:44:15 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-20 13:44:15 -0500
commite19b63dafdf7d615b0d36b90990a07e7792b9d3a (patch)
tree45474992fd5d6a1f4c4c49068ec6383429618515 /include/linux/sunrpc
parent67ec9f46b889bfb1ab0a4e307d53929d5f0692bf (diff)
SUNRPC: track length of RPC wait queues
RPC wait queue length will eventually be exported to userland via the RPC iostats interface. Test plan: Compile kernel with CONFIG_NFS enabled. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/sched.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index a390c9b8a01..6c23f73a799 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -203,6 +203,7 @@ struct rpc_wait_queue {
unsigned char priority; /* current priority */
unsigned char count; /* # task groups remaining serviced so far */
unsigned char nr; /* # tasks remaining for cookie */
+ unsigned short qlen; /* total # tasks waiting in queue */
#ifdef RPC_DEBUG
const char * name;
#endif