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authorLinus Torvalds <torvalds@linux-foundation.org>2020-04-23 09:33:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-23 09:33:43 -0700
commit1ddd873948c9836c2b154e4fabd6e94da0ab9727 (patch)
tree1734ec0eee5a6a06b432d6b158b47cbab3173123 /include/trace
parent6f8cd037a5f46388c005f7d7ea9b62d515889740 (diff)
parent23cf1ee1f1869966b75518c59b5cbda4c6c92450 (diff)
Merge tag 'nfsd-5.7-rc-1' of git://git.linux-nfs.org/projects/cel/cel-2.6
Pull nfsd fixes from Chuck Lever: "The first set of 5.7-rc fixes for NFS server issues. These were all unresolved at the time the 5.7 window opened, and needed some additional time to ensure they were correctly addressed. They are ready now. At the moment I know of one more urgent issue regarding the NFS server. A fix has been tested and is under review. I expect to send one more pull request, containing this fix (which now consists of 3 patches). Fixes: - Address several use-after-free and memory leak bugs - Prevent a backchannel livelock" * tag 'nfsd-5.7-rc-1' of git://git.linux-nfs.org/projects/cel/cel-2.6: svcrdma: Fix leak of svc_rdma_recv_ctxt objects svcrdma: Fix trace point use-after-free race SUNRPC: Fix backchannel RPC soft lockups SUNRPC/cache: Fix unsafe traverse caused double-free in cache_purge nfsd: memory corruption in nfsd4_lock()
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/rpcrdma.h50
1 files changed, 36 insertions, 14 deletions
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>