proc: register filesystem last

As soon as register_filesystem() exits, filesystem can be mounted.  It
is better to present fully operational /proc.

Of course it doesn't matter because /proc is not modular but do it
anyway.

Drop error check, it should be handled by panicking.

Link: http://lkml.kernel.org/r/20180309222709.GA3843@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2018-04-10 16:31:57 -07:00 committed by Linus Torvalds
parent 35318db566
commit 1539d584e4

View File

@ -123,14 +123,8 @@ static struct file_system_type proc_fs_type = {
void __init proc_root_init(void)
{
int err;
proc_init_kmemcache();
set_proc_pid_nlink();
err = register_filesystem(&proc_fs_type);
if (err)
return;
proc_self_init();
proc_thread_self_init();
proc_symlink("mounts", NULL, "self/mounts");
@ -146,6 +140,8 @@ void __init proc_root_init(void)
proc_tty_init();
proc_mkdir("bus", NULL);
proc_sys_init();
register_filesystem(&proc_fs_type);
}
static int proc_root_getattr(const struct path *path, struct kstat *stat,