Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
---
fs/nfs/nfs4proc.c | 6 ++++++
fs/nfs/nfs4trace.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 57 insertions(+)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a1aac14..70f884e 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6863,6 +6863,10 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, gfp_t gfp_flags)
status = nfs4_wait_for_completion_rpc_task(task);
if (status == 0)
status = task->tk_status;
+ trace_nfs4_layoutget(lgp->args.ctx,
+ &lgp->args.range,
+ &lgp->res.range,
+ status);
/* if layoutp->len is 0, nfs4_layoutget_prepare called rpc_exit */
if (status == 0 && lgp->res.layoutp->len)
lseg = pnfs_layout_process(lgp);
@@ -6948,6 +6952,7 @@ int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp)
if (IS_ERR(task))
return PTR_ERR(task);
status = task->tk_status;
+ trace_nfs4_layoutreturn(lrp->args.inode, status);
dprintk("<-- %s status=%d\n", __func__, status);
rpc_put_task(task);
return status;
@@ -7134,6 +7139,7 @@ nfs4_proc_layoutcommit(struct nfs4_layoutcommit_data *data, bool sync)
if (status != 0)
goto out;
status = task->tk_status;
+ trace_nfs4_layoutcommit(data->args.inode, status);
out:
dprintk("%s: status %d\n", __func__, status);
rpc_put_task(task);
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index eea87d9..b068396 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -777,6 +777,57 @@ DEFINE_EVENT(nfs4_commit_event, name, \
DEFINE_NFS4_COMMIT_EVENT(nfs4_commit);
#ifdef CONFIG_NFS_V4_1
DEFINE_NFS4_COMMIT_EVENT(nfs4_pnfs_commit_ds);
+
+#define show_pnfs_iomode(iomode) __print_symbolic(iomode, \
+ { IOMODE_READ, "READ" }, \
+ { IOMODE_RW, "RW" }, \
+ { IOMODE_ANY, "ANY" })
+
+TRACE_EVENT(nfs4_layoutget,
+ TP_PROTO(const struct nfs_open_context *ctx,
+ const struct pnfs_layout_range *args,
+ const struct pnfs_layout_range *res,
+ int error),
+
+ TP_ARGS(ctx, args, res, error),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ __field(u32, iomode)
+ __field(u64, offset)
+ __field(u64, count)
+ __field(int, error)
+ ),
+
+ TP_fast_assign(
+ struct inode *inode = ctx->dentry->d_inode;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = NFS_FILEID(inode);
+ __entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
+ __entry->iomode = args->iomode;
+ __entry->offset = args->offset;
+ __entry->count = args->length;
+ __entry->error = error;
+ ),
+
+ TP_printk("error=%d (%s) fileid=%02x:%02x:%lld, fhandle=%0x08x"
+ "iomode=%s offset=%llu, count=%llu",
+ __entry->error,
+ show_nfsv4_errors(__entry->error),
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ show_pnfs_iomode(__entry->iomode),
+ (unsigned long long)__entry->offset,
+ (unsigned long long)__entry->count
+ )
+);
+
+DEFINE_NFS4_INODE_EVENT(nfs4_layoutcommit);
+DEFINE_NFS4_INODE_EVENT(nfs4_layoutreturn);
+
#endif /* CONFIG_NFS_V4_1 */
#endif /* _TRACE_NFS4_H */
--
1.8.3.1
--
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