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authorNeilBrown <neilb@suse.de>2023-09-11 10:40:22 -0400
committerChuck Lever <chuck.lever@oracle.com>2023-10-16 12:44:08 -0400
commit15d39883ee7dfc023d8a24f5d4b58100e1d04ad9 (patch)
treebb325ff8eba96ca7c4f88f32913697fb4536a0b5 /include/linux/sunrpc
parent580a25756a9f639180b29a508f3bdd24c50a936a (diff)
SUNRPC: change the back-channel queue to lwq
This removes the need to store and update back-links in the list. It also remove the need for the _bh version of spin_lock(). Signed-off-by: NeilBrown <neilb@suse.de> Cc: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/svc.h3
-rw-r--r--include/linux/sunrpc/xprt.h3
2 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 8ce1392c1a35..c1feaf0d1542 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -90,10 +90,9 @@ struct svc_serv {
int (*sv_threadfn)(void *data);
#if defined(CONFIG_SUNRPC_BACKCHANNEL)
- struct list_head sv_cb_list; /* queue for callback requests
+ struct lwq sv_cb_list; /* queue for callback requests
* that arrive over the same
* connection */
- spinlock_t sv_cb_lock; /* protects the svc_cb_list */
bool sv_bc_enabled; /* service uses backchannel */
#endif /* CONFIG_SUNRPC_BACKCHANNEL */
};
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 4ecc89301eb7..f85d3a0daca2 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -57,6 +57,7 @@ struct xprt_class;
struct seq_file;
struct svc_serv;
struct net;
+#include <linux/lwq.h>
/*
* This describes a complete RPC request
@@ -121,7 +122,7 @@ struct rpc_rqst {
int rq_ntrans;
#if defined(CONFIG_SUNRPC_BACKCHANNEL)
- struct list_head rq_bc_list; /* Callback service list */
+ struct lwq_node rq_bc_list; /* Callback service list */
unsigned long rq_bc_pa_state; /* Backchannel prealloc state */
struct list_head rq_bc_pa_list; /* Backchannel prealloc list */
#endif /* CONFIG_SUNRPC_BACKCHANEL */