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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-14 15:31:28 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-22 08:58:26 -0400
commitcc668ab30b8a5505c1651b073882c1a67c802a48 (patch)
tree32caf9dab1ba04fcd6ac5ed36215bf7b845c3212 /fs/nfs/pnfs.c
parentb5f875a92591d06c57e786b3c916e21e290ad844 (diff)
downloadlinux-cc668ab30b8a5505c1651b073882c1a67c802a48.tar.bz2
NFSv4: Add tracepoints for debugging reads and writes
Set up tracepoints to track read, write and commit, as well as pNFS reads and writes and commits to the data server. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/pnfs.c')
-rw-r--r--fs/nfs/pnfs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 3a3a79d6bf15..d75d938d36cb 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -33,6 +33,7 @@
#include "internal.h"
#include "pnfs.h"
#include "iostat.h"
+#include "nfs4trace.h"
#define NFSDBG_FACILITY NFSDBG_PNFS
#define PNFS_LAYOUTGET_RETRY_TIMEOUT (120*HZ)
@@ -1526,6 +1527,7 @@ void pnfs_ld_write_done(struct nfs_write_data *data)
{
struct nfs_pgio_header *hdr = data->header;
+ trace_nfs4_pnfs_write(data, hdr->pnfs_error);
if (!hdr->pnfs_error) {
pnfs_set_layoutcommit(data);
hdr->mds_ops->rpc_call_done(&data->task, data);
@@ -1680,6 +1682,7 @@ void pnfs_ld_read_done(struct nfs_read_data *data)
{
struct nfs_pgio_header *hdr = data->header;
+ trace_nfs4_pnfs_read(data, hdr->pnfs_error);
if (likely(!hdr->pnfs_error)) {
__nfs4_read_done_cb(data);
hdr->mds_ops->rpc_call_done(&data->task, data);