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-rw-r--r--net/sunrpc/xprtrdma/fmr_ops.c1
-rw-r--r--net/sunrpc/xprtrdma/frwr_ops.c1
-rw-r--r--net/sunrpc/xprtrdma/verbs.c10
-rw-r--r--net/sunrpc/xprtrdma/xprt_rdma.h16
4 files changed, 15 insertions, 13 deletions
diff --git a/net/sunrpc/xprtrdma/fmr_ops.c b/net/sunrpc/xprtrdma/fmr_ops.c
index 5dd77dac094c..52f9ad5fe19b 100644
--- a/net/sunrpc/xprtrdma/fmr_ops.c
+++ b/net/sunrpc/xprtrdma/fmr_ops.c
@@ -65,6 +65,7 @@ fmr_op_init(struct rpcrdma_xprt *r_xprt)
struct rpcrdma_mw *r;
int i, rc;
+ spin_lock_init(&buf->rb_mwlock);
INIT_LIST_HEAD(&buf->rb_mws);
INIT_LIST_HEAD(&buf->rb_all);
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 862279267fb8..18b7305d249f 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -266,6 +266,7 @@ frwr_op_init(struct rpcrdma_xprt *r_xprt)
struct ib_pd *pd = r_xprt->rx_ia.ri_pd;
int i;
+ spin_lock_init(&buf->rb_mwlock);
INIT_LIST_HEAD(&buf->rb_mws);
INIT_LIST_HEAD(&buf->rb_all);
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index cc1a52609974..234083560d0e 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1173,15 +1173,14 @@ rpcrdma_get_mw(struct rpcrdma_xprt *r_xprt)
{
struct rpcrdma_buffer *buf = &r_xprt->rx_buf;
struct rpcrdma_mw *mw = NULL;
- unsigned long flags;
- spin_lock_irqsave(&buf->rb_lock, flags);
+ spin_lock(&buf->rb_mwlock);
if (!list_empty(&buf->rb_mws)) {
mw = list_first_entry(&buf->rb_mws,
struct rpcrdma_mw, mw_list);
list_del_init(&mw->mw_list);
}
- spin_unlock_irqrestore(&buf->rb_lock, flags);
+ spin_unlock(&buf->rb_mwlock);
if (!mw)
pr_err("RPC: %s: no MWs available\n", __func__);
@@ -1192,11 +1191,10 @@ void
rpcrdma_put_mw(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mw *mw)
{
struct rpcrdma_buffer *buf = &r_xprt->rx_buf;
- unsigned long flags;
- spin_lock_irqsave(&buf->rb_lock, flags);
+ spin_lock(&buf->rb_mwlock);
list_add_tail(&mw->mw_list, &buf->rb_mws);
- spin_unlock_irqrestore(&buf->rb_lock, flags);
+ spin_unlock(&buf->rb_mwlock);
}
static void
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 3ecee38bf1a0..df92884400c4 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -282,15 +282,17 @@ rpcr_to_rdmar(struct rpc_rqst *rqst)
* One of these is associated with a transport instance
*/
struct rpcrdma_buffer {
- spinlock_t rb_lock; /* protects indexes */
- u32 rb_max_requests;/* client max requests */
- struct list_head rb_mws; /* optional memory windows/fmrs/frmrs */
- struct list_head rb_all;
- int rb_send_index;
+ spinlock_t rb_mwlock; /* protect rb_mws list */
+ struct list_head rb_mws;
+ struct list_head rb_all;
+ char *rb_pool;
+
+ spinlock_t rb_lock; /* protect buf arrays */
+ u32 rb_max_requests;
+ int rb_send_index;
+ int rb_recv_index;
struct rpcrdma_req **rb_send_bufs;
- int rb_recv_index;
struct rpcrdma_rep **rb_recv_bufs;
- char *rb_pool;
};
#define rdmab_to_ia(b) (&container_of((b), struct rpcrdma_xprt, rx_buf)->rx_ia)
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