summaryrefslogtreecommitdiff
path: root/include/linux/sunrpc
diff options
context:
space:
mode:
authorTrond Myklebust <trond.myklebust@primarydata.com>2017-08-16 22:30:35 +0300
committerTrond Myklebust <trond.myklebust@primarydata.com>2017-08-18 21:45:04 +0300
commitce7c252a8c741aba7c38f817b86e34361f561e42 (patch)
tree4e90fa24a74ac7f8ecfcf1ddc1be735e64aa43cc /include/linux/sunrpc
parent040249dfbeed9dd553fd323ef4b42c7a3270898b (diff)
downloadlinux-ce7c252a8c741aba7c38f817b86e34361f561e42.tar.xz
SUNRPC: Add a separate spinlock to protect the RPC request receive list
This further reduces contention with the transport_lock, and allows us to convert to using a non-bh-safe spinlock, since the list is now never accessed from a bh context. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/xprt.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 65b9e0224753..a97e6de5f9f2 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -232,6 +232,7 @@ struct rpc_xprt {
*/
spinlock_t transport_lock; /* lock transport info */
spinlock_t reserve_lock; /* lock slot table */
+ spinlock_t recv_lock; /* lock receive list */
u32 xid; /* Next XID value to use */
struct rpc_task * snd_task; /* Task blocked in send */
struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */