afs: Add directory reload tracepoint

Add a tracepoint (afs_reload_dir) to indicate when a directory is being
reloaded.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 378a96a1116e..be5d2f932b77 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -309,6 +309,7 @@ retry:
                 goto error;
 
         if (!test_bit(AFS_VNODE_DIR_VALID, &dvnode->flags)) {
+                trace_afs_reload_dir(dvnode);
                 ret = afs_fetch_data(dvnode, key, req);
                 if (ret < 0)
                         goto error_unlock;