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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-13 18:36:56 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-22 16:58:24 +0400
commitca8acf8d84029b395ade8d4562dae2108bb00c17 (patch)
tree462c32eb1c98c5eb8698618b9b524c57a344c0e2 /fs/nfs/delegation.c
parentfbc6f7c233ff0a7e98f5dc2837b08adf03aa9376 (diff)
downloadlinux-ca8acf8d84029b395ade8d4562dae2108bb00c17.tar.xz
NFSv4: Add tracepoints for debugging delegations
Set up tracepoints to track when delegations are set, reclaimed, returned by the client, or recalled by the server. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/delegation.c')
-rw-r--r--fs/nfs/delegation.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 7ec4814e298d..ef792f29f831 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -20,6 +20,7 @@
#include "nfs4_fs.h"
#include "delegation.h"
#include "internal.h"
+#include "nfs4trace.h"
static void nfs_free_delegation(struct nfs_delegation *delegation)
{
@@ -160,6 +161,7 @@ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred,
spin_unlock(&delegation->lock);
put_rpccred(oldcred);
rcu_read_unlock();
+ trace_nfs4_reclaim_delegation(inode, res->delegation_type);
} else {
/* We appear to have raced with a delegation return. */
spin_unlock(&delegation->lock);
@@ -344,6 +346,7 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
spin_lock(&inode->i_lock);
nfsi->cache_validity |= NFS_INO_REVAL_FORCED;
spin_unlock(&inode->i_lock);
+ trace_nfs4_set_delegation(inode, res->delegation_type);
out:
spin_unlock(&clp->cl_lock);