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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-14 19:31:28 (GMT)
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-22 12:58:26 (GMT)
commitcc668ab30b8a5505c1651b073882c1a67c802a48 (patch)
tree32caf9dab1ba04fcd6ac5ed36215bf7b845c3212 /fs/nfs/nfs4proc.c
parentb5f875a92591d06c57e786b3c916e21e290ad844 (diff)
downloadlinux-cc668ab30b8a5505c1651b073882c1a67c802a48.tar.xz
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/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index bcfe3ad..214f9c4 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3881,6 +3881,7 @@ static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_read_data *data)
{
struct nfs_server *server = NFS_SERVER(data->header->inode);
+ trace_nfs4_read(data, task->tk_status);
if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) {
rpc_restart_call_prepare(task);
return -EAGAIN;
@@ -3942,6 +3943,7 @@ static int nfs4_write_done_cb(struct rpc_task *task, struct nfs_write_data *data
{
struct inode *inode = data->header->inode;
+ trace_nfs4_write(data, task->tk_status);
if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) {
rpc_restart_call_prepare(task);
return -EAGAIN;
@@ -4033,6 +4035,7 @@ static int nfs4_commit_done_cb(struct rpc_task *task, struct nfs_commit_data *da
{
struct inode *inode = data->inode;
+ trace_nfs4_commit(data, task->tk_status);
if (nfs4_async_handle_error(task, NFS_SERVER(inode), NULL) == -EAGAIN) {
rpc_restart_call_prepare(task);
return -EAGAIN;