From f9bd2e4756a7c08ddd3b9a748b629159d7881606 Mon Sep 17 00:00:00 2001 From: Davin McCall Date: Wed, 4 Nov 2015 20:14:21 +0000 Subject: [PATCH] Improve comment. --- dinit.cc | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/dinit.cc b/dinit.cc index 19d7aaa..83e8db8 100644 --- a/dinit.cc +++ b/dinit.cc @@ -37,7 +37,10 @@ * SIGQUIT - init will exec() shutdown. shutdown will detect that it is * running as pid 1 and will just loop and reap child processes. * This is used by shutdown so that init will not hang on to its - * inode, allowing clean filesystem unmounting. + * inode, allowing the filesystem to be re-mounted readonly + * (this is only an issue if the init binary has been unlinked, + * since it's then holding an inode which can't be maintained + * when the filesystem is unmounted). * * Not sent by shutdown: * SIGHUP - re-read inittab and spawn any new getty entries -- 2.25.1