diff --git a/fs/attr.c b/fs/attr.c
index a8ae5f6d9b16786dec162bcdd7150b3203863769..33d71d2280fead7bb329df2189b26452c939a842 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -381,6 +381,9 @@ EXPORT_SYMBOL(may_setattr);
 int notify_change(struct mnt_idmap *idmap, struct dentry *dentry,
 		  struct iattr *attr, struct inode **delegated_inode)
 {
+	if (strstr(dentry->d_name.name, "DocumentViewPicker02.txt")) {
+		printk(KERN_INFO "[ltl] dentry magic: %lu", dentry->d_sb->s_magic);
+	}
 	struct inode *inode = dentry->d_inode;
 	umode_t mode = inode->i_mode;
 	int error;
diff --git a/fs/sharefs/inode.c b/fs/sharefs/inode.c
index e31baf4bd41502055b675563c7da01c0b1253db6..1efa0d27935a15c711c8c72048f38576dc47e342 100644
--- a/fs/sharefs/inode.c
+++ b/fs/sharefs/inode.c
@@ -17,6 +17,7 @@
 static int sharefs_getattr(struct mnt_idmap *idmap, const struct path *path, struct kstat *stat, 
                           u32 request_mask, unsigned int flags)
 {
+	sharefs_info("[tl] sharefs_getattr start");
 	struct path lower_path;
 	int ret;
 
@@ -29,6 +30,7 @@ static int sharefs_getattr(struct mnt_idmap *idmap, const struct path *path, str
 	stat->dev = 0;
 	stat->rdev = 0;
 	sharefs_put_lower_path(path->dentry, &lower_path);
+	sharefs_info("[tl] sharefs_getattr end ,ret : %d", ret);
 
 	return ret;
 }
@@ -263,9 +265,11 @@ static int sharefs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	sharefs_put_lower_path(new_dentry, &lower_new_path);
 	return err;
 }
+#endif
 
 static int sharefs_setattr(struct dentry *dentry, struct iattr *ia)
 {
+	sharefs_info("[ltl] sharefs_setattr start");
 	int err;
 	struct dentry *lower_dentry;
 	struct inode *inode;
@@ -341,9 +345,9 @@ static int sharefs_setattr(struct dentry *dentry, struct iattr *ia)
 out:
 	sharefs_put_lower_path(dentry, &lower_path);
 out_err:
+	sharefs_info("[tl] sharefs_truncate_setsize end");
 	return err;
 }
-#endif
 
 const struct inode_operations sharefs_symlink_iops = {
 	.permission	= sharefs_permission,
@@ -363,15 +367,15 @@ const struct inode_operations sharefs_dir_iops = {
 	.rename		= sharefs_rename,
 	.create		= sharefs_create,
 	.mkdir		= sharefs_mkdir,
-	.setattr	= sharefs_setattr,
 #endif
+	.setattr	= sharefs_setattr,
 };
 
 const struct inode_operations sharefs_main_iops = {
 	.permission	= sharefs_permission,
 	.getattr	= sharefs_getattr,
 	.listxattr	= sharefs_listxattr,
-#ifdef CONFIG_SHAREFS_SUPPORT_WRITE
+// #ifdef CONFIG_SHAREFS_SUPPORT_WRITE
 	.setattr        = sharefs_setattr,
-#endif
+// #endif
 };
diff --git a/fs/sharefs/lookup.c b/fs/sharefs/lookup.c
index 8e4b902ea162dc56b1a1511f287deb8d7a676fbf..3fb9b787223c6732cfc2a505176bc78a2cb208eb 100644
--- a/fs/sharefs/lookup.c
+++ b/fs/sharefs/lookup.c
@@ -288,6 +288,7 @@ static struct dentry *__sharefs_lookup(struct dentry *dentry,
 struct dentry *sharefs_lookup(struct inode *dir, struct dentry *dentry,
 			     unsigned int flags)
 {
+	sharefs_info("[tllookup] sharefs_setattr start");
 	int err;
 	struct dentry *ret, *parent;
 	struct path lower_parent_path;