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-rw-r--r--fs/ext4/fsync.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index c37d1e86f51a..5afe4370840b 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -28,6 +28,7 @@
#include <linux/writeback.h>
#include <linux/jbd2.h>
#include <linux/blkdev.h>
+#include <linux/marker.h>
#include "ext4.h"
#include "ext4_jbd2.h"
@@ -51,6 +52,10 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
J_ASSERT(ext4_journal_current_handle() == NULL);
+ trace_mark(ext4_sync_file, "dev %s datasync %d ino %ld parent %ld",
+ inode->i_sb->s_id, datasync, inode->i_ino,
+ dentry->d_parent->d_inode->i_ino);
+
/*
* data=writeback:
* The caller's filemap_fdatawrite()/wait will sync the data.
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