Commit 408600be authored by Linus Torvalds's avatar Linus Torvalds Committed by Steven Rostedt (Google)
Browse files

eventfs: Remove unused d_parent pointer field 

It's never used

Link: https://lore.kernel.org/linux-trace-kernel/202401291043.e62e89dc-oliver.sang@intel.com/
Link: https://lore.kernel.org/linux-trace-kernel/20240131185512.961772428@goodmis.org



Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Ajay Kaher <ajay.kaher@broadcom.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes: c1504e51 ("eventfs: Implement eventfs dir creation functions")
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent 49304c2b

fs/tracefs/event_inode.c

+1 −3
Original line number Diff line number Diff line
@@ -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? */

fs/tracefs/internal.h

+0 −2
Original line number Diff line number Diff line
@@ -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;