drop unused dentry argument to ->fsync

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 5d60ad4ebf78..f5b1ba90e952 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -606,9 +606,9 @@ TRACE_EVENT(ext4_free_blocks,
 );
 
 TRACE_EVENT(ext4_sync_file,
-        TP_PROTO(struct file *file, struct dentry *dentry, int datasync),
+        TP_PROTO(struct file *file, int datasync),
 
-        TP_ARGS(file, dentry, datasync),
+        TP_ARGS(file, datasync),
 
         TP_STRUCT__entry(
                 __field(        dev_t,  dev                     )
@@ -618,6 +618,8 @@ TRACE_EVENT(ext4_sync_file,
         ),
 
         TP_fast_assign(
+                struct dentry *dentry = file->f_path.dentry;
+
                 __entry->dev            = dentry->d_inode->i_sb->s_dev;
                 __entry->ino            = dentry->d_inode->i_ino;
                 __entry->datasync       = datasync;