Messages in this thread Patch in this message | | | Date | Wed, 04 Feb 2015 09:34:26 -0500 | From | Steven Rostedt <> | Subject | [for-next][PATCH 6/7] tracefs: Add directory /sys/kernel/tracing |
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From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
When tracefs is configured, have the directory /sys/kernel/tracing appear just like /sys/kernel/debug appears when debugfs is configured.
This will give a consistent place for system admins to mount tracefs.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- fs/tracefs/inode.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c index 5b1547a452d8..0b9cf5cf24c9 100644 --- a/fs/tracefs/inode.c +++ b/fs/tracefs/inode.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/fs.h> #include <linux/mount.h> +#include <linux/kobject.h> #include <linux/namei.h> #include <linux/tracefs.h> #include <linux/fsnotify.h> @@ -509,10 +510,16 @@ bool tracefs_initialized(void) return tracefs_registered; } +static struct kobject *trace_kobj; + static int __init tracefs_init(void) { int retval; + trace_kobj = kobject_create_and_add("tracing", kernel_kobj); + if (!trace_kobj) + return -EINVAL; + retval = register_filesystem(&trace_fs_type); if (!retval) tracefs_registered = true; -- 2.1.4
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