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-rw-r--r--fs/nfsd/nfs4callback.c4
-rw-r--r--fs/nfsd/nfs4state.c2
-rw-r--r--include/linux/sunrpc/svc_rdma.h1
-rw-r--r--include/trace/events/rpcrdma.h50
-rw-r--r--net/sunrpc/cache.c5
-rw-r--r--net/sunrpc/svc_xprt.c5
-rw-r--r--net/sunrpc/svcsock.c4
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_backchannel.c2
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_recvfrom.c22
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_rw.c3
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_sendto.c29
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c5
-rw-r--r--net/sunrpc/xprtsock.c1
13 files changed, 89 insertions, 44 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index c3b11a715082..5cf91322de0f 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1312,6 +1312,7 @@ nfsd4_run_cb_work(struct work_struct *work)
container_of(work, struct nfsd4_callback, cb_work);
struct nfs4_client *clp = cb->cb_clp;
struct rpc_clnt *clnt;
+ int flags;
if (cb->cb_need_restart) {
cb->cb_need_restart = false;
@@ -1340,7 +1341,8 @@ nfsd4_run_cb_work(struct work_struct *work)
}
cb->cb_msg.rpc_cred = clp->cl_cb_cred;
- rpc_call_async(clnt, &cb->cb_msg, RPC_TASK_SOFT | RPC_TASK_SOFTCONN,
+ flags = clp->cl_minorversion ? RPC_TASK_NOCONNECT : RPC_TASK_SOFTCONN;
+ rpc_call_async(clnt, &cb->cb_msg, RPC_TASK_SOFT | flags,
cb->cb_ops ? &nfsd4_cb_ops : &nfsd4_cb_probe_ops, cb);
}
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index e32ecedece0f..c107caa56525 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -267,6 +267,8 @@ find_or_allocate_block(struct nfs4_lockowner *lo, struct knfsd_fh *fh,
if (!nbl) {
nbl= kmalloc(sizeof(*nbl), GFP_KERNEL);
if (nbl) {
+ INIT_LIST_HEAD(&nbl->nbl_list);
+ INIT_LIST_HEAD(&nbl->nbl_lru);
fh_copy_shallow(&nbl->nbl_fh, fh);
locks_init_lock(&nbl->nbl_lock);
nfsd4_init_cb(&nbl->nbl_cb, lo->lo_owner.so_client,
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index 78fe2ac6dc6c..cbcfbd0521e3 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -170,6 +170,7 @@ extern bool svc_rdma_post_recvs(struct svcxprt_rdma *rdma);
extern void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,
struct svc_rdma_recv_ctxt *ctxt);
extern void svc_rdma_flush_recv_queues(struct svcxprt_rdma *rdma);
+extern void svc_rdma_release_rqst(struct svc_rqst *rqstp);
extern int svc_rdma_recvfrom(struct svc_rqst *);
/* svc_rdma_rw.c */
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index 051f26fedc4d..596e0a803477 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -1695,17 +1695,15 @@ DECLARE_EVENT_CLASS(svcrdma_sendcomp_event,
TRACE_EVENT(svcrdma_post_send,
TP_PROTO(
- const struct ib_send_wr *wr,
- int status
+ const struct ib_send_wr *wr
),
- TP_ARGS(wr, status),
+ TP_ARGS(wr),
TP_STRUCT__entry(
__field(const void *, cqe)
__field(unsigned int, num_sge)
__field(u32, inv_rkey)
- __field(int, status)
),
TP_fast_assign(
@@ -1713,12 +1711,11 @@ TRACE_EVENT(svcrdma_post_send,
__entry->num_sge = wr->num_sge;
__entry->inv_rkey = (wr->opcode == IB_WR_SEND_WITH_INV) ?
wr->ex.invalidate_rkey : 0;
- __entry->status = status;
),
- TP_printk("cqe=%p num_sge=%u inv_rkey=0x%08x status=%d",
+ TP_printk("cqe=%p num_sge=%u inv_rkey=0x%08x",
__entry->cqe, __entry->num_sge,
- __entry->inv_rkey, __entry->status
+ __entry->inv_rkey
)
);
@@ -1783,26 +1780,23 @@ TRACE_EVENT(svcrdma_wc_receive,
TRACE_EVENT(svcrdma_post_rw,
TP_PROTO(
const void *cqe,
- int sqecount,
- int status
+ int sqecount
),
- TP_ARGS(cqe, sqecount, status),
+ TP_ARGS(cqe, sqecount),
TP_STRUCT__entry(
__field(const void *, cqe)
__field(int, sqecount)
- __field(int, status)
),
TP_fast_assign(
__entry->cqe = cqe;
__entry->sqecount = sqecount;
- __entry->status = status;
),
- TP_printk("cqe=%p sqecount=%d status=%d",
- __entry->cqe, __entry->sqecount, __entry->status
+ TP_printk("cqe=%p sqecount=%d",
+ __entry->cqe, __entry->sqecount
)
);
@@ -1870,6 +1864,34 @@ DECLARE_EVENT_CLASS(svcrdma_sendqueue_event,
DEFINE_SQ_EVENT(full);
DEFINE_SQ_EVENT(retry);
+TRACE_EVENT(svcrdma_sq_post_err,
+ TP_PROTO(
+ const struct svcxprt_rdma *rdma,
+ int status
+ ),
+
+ TP_ARGS(rdma, status),
+
+ TP_STRUCT__entry(
+ __field(int, avail)
+ __field(int, depth)
+ __field(int, status)
+ __string(addr, rdma->sc_xprt.xpt_remotebuf)
+ ),
+
+ TP_fast_assign(
+ __entry->avail = atomic_read(&rdma->sc_sq_avail);
+ __entry->depth = rdma->sc_sq_depth;
+ __entry->status = status;
+ __assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
+ ),
+
+ TP_printk("addr=%s sc_sq_avail=%d/%d status=%d",
+ __get_str(addr), __entry->avail, __entry->depth,
+ __entry->status
+ )
+);
+
#endif /* _TRACE_RPCRDMA_H */
#include <trace/define_trace.h>
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index af0ddd28b081..baef5ee43dbb 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -529,7 +529,6 @@ void cache_purge(struct cache_detail *detail)
{
struct cache_head *ch = NULL;
struct hlist_head *head = NULL;
- struct hlist_node *tmp = NULL;
int i = 0;
spin_lock(&detail->hash_lock);
@@ -541,7 +540,9 @@ void cache_purge(struct cache_detail *detail)
dprintk("RPC: %d entries in %s cache\n", detail->entries, detail->name);
for (i = 0; i < detail->hash_size; i++) {
head = &detail->hash_table[i];
- hlist_for_each_entry_safe(ch, tmp, head, cache_list) {
+ while (!hlist_empty(head)) {
+ ch = hlist_entry(head->first, struct cache_head,
+ cache_list);
sunrpc_begin_cache_remove_entry(ch, detail);
spin_unlock(&detail->hash_lock);
sunrpc_end_cache_remove_entry(ch, detail);
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index e27e3532ec75..2284ff038dad 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -908,9 +908,6 @@ int svc_send(struct svc_rqst *rqstp)
if (!xprt)
goto out;
- /* release the receive skb before sending the reply */
- xprt->xpt_ops->xpo_release_rqst(rqstp);
-
/* calculate over-all length */
xb = &rqstp->rq_res;
xb->len = xb->head[0].iov_len +
@@ -1040,6 +1037,8 @@ static void svc_delete_xprt(struct svc_xprt *xprt)
dprintk("svc: svc_delete_xprt(%p)\n", xprt);
xprt->xpt_ops->xpo_detach(xprt);
+ if (xprt->xpt_bc_xprt)
+ xprt->xpt_bc_xprt->ops->close(xprt->xpt_bc_xprt);
spin_lock_bh(&serv->sv_lock);
list_del_init(&xprt->xpt_list);
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 519cf9c4f8fd..023514e392b3 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -527,6 +527,8 @@ static int svc_udp_sendto(struct svc_rqst *rqstp)
unsigned int uninitialized_var(sent);
int err;
+ svc_release_udp_skb(rqstp);
+
svc_set_cmsg_data(rqstp, cmh);
err = xprt_sock_sendmsg(svsk->sk_sock, &msg, xdr, 0, 0, &sent);
@@ -1076,6 +1078,8 @@ static int svc_tcp_sendto(struct svc_rqst *rqstp)
unsigned int uninitialized_var(sent);
int err;
+ svc_release_skb(rqstp);
+
err = xprt_sock_sendmsg(svsk->sk_sock, &msg, xdr, 0, marker, &sent);
xdr_free_bvec(xdr);
if (err < 0 || sent != (xdr->len + sizeof(marker)))
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
index d510a3a15d4b..af7eb8d202ae 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -244,6 +244,8 @@ static void
xprt_rdma_bc_close(struct rpc_xprt *xprt)
{
dprintk("svcrdma: %s: xprt %p\n", __func__, xprt);
+
+ xprt_disconnect_done(xprt);
xprt->cwnd = RPC_CWNDSHIFT;
}
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index 54469b72b25f..efa5fcb5793f 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -223,6 +223,26 @@ void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,
svc_rdma_recv_ctxt_destroy(rdma, ctxt);
}
+/**
+ * svc_rdma_release_rqst - Release transport-specific per-rqst resources
+ * @rqstp: svc_rqst being released
+ *
+ * Ensure that the recv_ctxt is released whether or not a Reply
+ * was sent. For example, the client could close the connection,
+ * or svc_process could drop an RPC, before the Reply is sent.
+ */
+void svc_rdma_release_rqst(struct svc_rqst *rqstp)
+{
+ struct svc_rdma_recv_ctxt *ctxt = rqstp->rq_xprt_ctxt;
+ struct svc_xprt *xprt = rqstp->rq_xprt;
+ struct svcxprt_rdma *rdma =
+ container_of(xprt, struct svcxprt_rdma, sc_xprt);
+
+ rqstp->rq_xprt_ctxt = NULL;
+ if (ctxt)
+ svc_rdma_recv_ctxt_put(rdma, ctxt);
+}
+
static int __svc_rdma_post_recv(struct svcxprt_rdma *rdma,
struct svc_rdma_recv_ctxt *ctxt)
{
@@ -820,6 +840,8 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
__be32 *p;
int ret;
+ rqstp->rq_xprt_ctxt = NULL;
+
spin_lock(&rdma_xprt->sc_rq_dto_lock);
ctxt = svc_rdma_next_recv_ctxt(&rdma_xprt->sc_read_complete_q);
if (ctxt) {
diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c
index bd7c195d872e..23c2d3ce0dc9 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_rw.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c
@@ -323,8 +323,6 @@ static int svc_rdma_post_chunk_ctxt(struct svc_rdma_chunk_ctxt *cc)
if (atomic_sub_return(cc->cc_sqecount,
&rdma->sc_sq_avail) > 0) {
ret = ib_post_send(rdma->sc_qp, first_wr, &bad_wr);
- trace_svcrdma_post_rw(&cc->cc_cqe,
- cc->cc_sqecount, ret);
if (ret)
break;
return 0;
@@ -337,6 +335,7 @@ static int svc_rdma_post_chunk_ctxt(struct svc_rdma_chunk_ctxt *cc)
trace_svcrdma_sq_retry(rdma);
} while (1);
+ trace_svcrdma_sq_post_err(rdma, ret);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
/* If even one was posted, there will be a completion. */
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 90cba3058f04..b6c8643867f2 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -322,15 +322,17 @@ int svc_rdma_send(struct svcxprt_rdma *rdma, struct ib_send_wr *wr)
}
svc_xprt_get(&rdma->sc_xprt);
+ trace_svcrdma_post_send(wr);
ret = ib_post_send(rdma->sc_qp, wr, NULL);
- trace_svcrdma_post_send(wr, ret);
- if (ret) {
- set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
- svc_xprt_put(&rdma->sc_xprt);
- wake_up(&rdma->sc_send_wait);
- }
- break;
+ if (ret)
+ break;
+ return 0;
}
+
+ trace_svcrdma_sq_post_err(rdma, ret);
+ set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
+ svc_xprt_put(&rdma->sc_xprt);
+ wake_up(&rdma->sc_send_wait);
return ret;
}
@@ -924,12 +926,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
ret = svc_rdma_send_reply_msg(rdma, sctxt, rctxt, rqstp);
if (ret < 0)
goto err1;
- ret = 0;
-
-out:
- rqstp->rq_xprt_ctxt = NULL;
- svc_rdma_recv_ctxt_put(rdma, rctxt);
- return ret;
+ return 0;
err2:
if (ret != -E2BIG && ret != -EINVAL)
@@ -938,16 +935,14 @@ out:
ret = svc_rdma_send_error_msg(rdma, sctxt, rqstp);
if (ret < 0)
goto err1;
- ret = 0;
- goto out;
+ return 0;
err1:
svc_rdma_send_ctxt_put(rdma, sctxt);
err0:
trace_svcrdma_send_failed(rqstp, ret);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
- ret = -ENOTCONN;
- goto out;
+ return -ENOTCONN;
}
/**
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 8bb99980ae85..ea54785db4f8 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -71,7 +71,6 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
struct sockaddr *sa, int salen,
int flags);
static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt);
-static void svc_rdma_release_rqst(struct svc_rqst *);
static void svc_rdma_detach(struct svc_xprt *xprt);
static void svc_rdma_free(struct svc_xprt *xprt);
static int svc_rdma_has_wspace(struct svc_xprt *xprt);
@@ -552,10 +551,6 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
return NULL;
}
-static void svc_rdma_release_rqst(struct svc_rqst *rqstp)
-{
-}
-
/*
* When connected, an svc_xprt has at least two references:
*
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 0bda8a73e8a8..845d0be805ec 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2584,6 +2584,7 @@ static int bc_send_request(struct rpc_rqst *req)
static void bc_close(struct rpc_xprt *xprt)
{
+ xprt_disconnect_done(xprt);
}
/*
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-14 06:22:53 +0300