diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-04-01 21:38:13 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-04-14 16:36:29 +0300 |
| commit | da934ae0a8aa20f5ac6bfa04bdfe8bd8c5b438e7 (patch) | |
| tree | ce4234b5cb930225d312831f706a6dd19640d31e /fs/nfs | |
| parent | ce62b114bbad9346641d16853c528ba01513e1b0 (diff) | |
| download | linux-da934ae0a8aa20f5ac6bfa04bdfe8bd8c5b438e7.tar.xz | |
NFSv4: Add tracing for COMPOUND errors
When the server returns a different operation than we expected, then
trace that.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs4trace.h | 35 | ||||
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 4 |
2 files changed, 36 insertions, 3 deletions
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index 48d761e593fb..3c505bed52a7 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -666,6 +666,41 @@ TRACE_EVENT(nfs4_state_mgr_failed, ) ) +TRACE_EVENT(nfs4_xdr_bad_operation, + TP_PROTO( + const struct xdr_stream *xdr, + u32 op, + u32 expected + ), + + TP_ARGS(xdr, op, expected), + + TP_STRUCT__entry( + __field(unsigned int, task_id) + __field(unsigned int, client_id) + __field(u32, xid) + __field(u32, op) + __field(u32, expected) + ), + + TP_fast_assign( + const struct rpc_rqst *rqstp = xdr->rqst; + const struct rpc_task *task = rqstp->rq_task; + + __entry->task_id = task->tk_pid; + __entry->client_id = task->tk_client->cl_clid; + __entry->xid = be32_to_cpu(rqstp->rq_xid); + __entry->op = op; + __entry->expected = expected; + ), + + TP_printk( + "task:%u@%d xid=0x%08x operation=%u, expected=%u", + __entry->task_id, __entry->client_id, __entry->xid, + __entry->op, __entry->expected + ) +); + TRACE_EVENT(nfs4_xdr_status, TP_PROTO( const struct xdr_stream *xdr, diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index edac4718dec1..ee7a7a132acc 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -3210,9 +3210,7 @@ out_status: *nfs_retval = nfs4_stat_to_errno(nfserr); return true; out_bad_operation: - dprintk("nfs: Server returned operation" - " %d but we issued a request for %d\n", - opnum, expected); + trace_nfs4_xdr_bad_operation(xdr, opnum, expected); *nfs_retval = -EREMOTEIO; return false; out_overflow: |