diff options
Diffstat (limited to 'src/shutdown')
| -rw-r--r-- | src/shutdown/shutdown.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/shutdown/shutdown.c b/src/shutdown/shutdown.c index d0120bb85d..42111d2772 100644 --- a/src/shutdown/shutdown.c +++ b/src/shutdown/shutdown.c @@ -400,6 +400,11 @@ int main(int argc, char *argv[]) { /* Lock us into memory */ (void) mlockall(MCL_CURRENT|MCL_FUTURE); + /* We need to make mounts private so that we can MS_MOVE in unmount_all(). Kernel does not allow + * MS_MOVE when parent mountpoints have shared propagation. */ + if (mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) < 0) + log_warning_errno(errno, "Failed to make mounts private, ignoring: %m"); + /* Synchronize everything that is not written to disk yet at this point already. This is a good idea so that * slow IO is processed here already and the final process killing spree is not impacted by processes * desperately trying to sync IO to disk within their timeout. Do not remove this sync, data corruption will |