Commit 6fdac58c authored by Steven Rostedt (Google)'s avatar Steven Rostedt (Google)
Browse files

tracing: Remove unused trace_event_file dir field 

Now that eventfs structure is used to create the events directory via the
eventfs dynamically allocate code, the "dir" field of the trace_event_file
structure is no longer used. Remove it.

Link: https://lkml.kernel.org/r/20230908022001.580400115@goodmis.org



Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ajay Kaher <akaher@vmware.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent 1ef26d8b

include/linux/trace_events.h

+0 −1
Original line number Diff line number Diff line
@@ -650,7 +650,6 @@ struct trace_event_file { 
	struct trace_event_call		*event_call;

	struct event_filter __rcu	*filter;

	struct eventfs_file             *ef;

	struct dentry			*dir;

	struct trace_array		*tr;

	struct trace_subsystem_dir	*system;

	struct list_head		triggers;

kernel/trace/trace_events.c

+0 −13
Original line number Diff line number Diff line
@@ -992,19 +992,6 @@ static void remove_subsystem(struct trace_subsystem_dir *dir) 


static void remove_event_file_dir(struct trace_event_file *file)

{

	struct dentry *dir = file->dir;

	struct dentry *child;



	if (dir) {

		spin_lock(&dir->d_lock);	/* probably unneeded */

		list_for_each_entry(child, &dir->d_subdirs, d_child) {

			if (d_really_is_positive(child))	/* probably unneeded */

				d_inode(child)->i_private = NULL;

		}

		spin_unlock(&dir->d_lock);



		tracefs_remove(dir);

	}

	eventfs_remove(file->ef);

	list_del(&file->list);

	remove_subsystem(file->system);