eventfs: Remove unused d_parent pointer field

It's never used Link: https://lore.kernel.org/linux-trace-kernel/[email protected]/ Link: https://lore.kernel.org/linux-trace-kernel/[email protected] Cc: [email protected] Cc: Masami Hiramatsu <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Mathieu Desnoyers <[email protected]> Cc: Christian Brauner <[email protected]> Cc: Al Viro <[email protected]> Cc: Ajay Kaher <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Fixes: c1504e5 ("eventfs: Implement eventfs dir creation functions") Signed-off-by: Linus Torvalds <[email protected]> Signed-off-by: Steven Rostedt (Google) <[email protected]>
3003n · Feb 1, 2024 · 408600b · 408600b
1 parent 49304c2
commit 408600b
Show file tree

Hide file tree

Showing 2 changed files with 1 addition and 5 deletions.
diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c
@@ -680,10 +680,8 @@ struct eventfs_inode *eventfs_create_dir(const char *name, struct eventfs_inode
 	INIT_LIST_HEAD(&ei->list);
 
 	mutex_lock(&eventfs_mutex);
-	if (!parent->is_freed) {
+	if (!parent->is_freed)
 		list_add_tail(&ei->list, &parent->children);
-		ei->d_parent = parent->dentry;
-	}
 	mutex_unlock(&eventfs_mutex);
 
 	/* Was the parent freed? */

diff --git a/fs/tracefs/internal.h b/fs/tracefs/internal.h
@@ -36,7 +36,6 @@ struct eventfs_attr {
  * @name:	the name of the directory to create
  * @children:	link list into the child eventfs_inode
  * @dentry:     the dentry of the directory
- * @d_parent:   pointer to the parent's dentry
  * @d_children: The array of dentries to represent the files when created
  * @entry_attrs: Saved mode and ownership of the @d_children
  * @attr:	Saved mode and ownership of eventfs_inode itself
@@ -51,7 +50,6 @@ struct eventfs_inode {
 	const char			*name;
 	struct list_head		children;
 	struct dentry			*dentry; /* Check is_freed to access */
-	struct dentry			*d_parent;
 	struct dentry			**d_children;
 	struct eventfs_attr		*entry_attrs;
 	struct eventfs_attr		attr;