From d48141ba0bed2866e05261cf06f0a6adfb11f349 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Thu, 14 Oct 2010 02:33:09 +0200 Subject: umount: try to get rid of DM devices --- src/shutdown.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) (limited to 'src/shutdown.c') diff --git a/src/shutdown.c b/src/shutdown.c index be3fff41c7..2c14371df2 100644 --- a/src/shutdown.c +++ b/src/shutdown.c @@ -200,7 +200,7 @@ finish: int main(int argc, char *argv[]) { int cmd, r, retries; - bool need_umount = true, need_swapoff = true, need_loop_detach = true; + bool need_umount = true, need_swapoff = true, need_loop_detach = true, need_dm_detach = true; log_parse_environment(); log_set_target(LOG_TARGET_CONSOLE); /* syslog will die if not gone yet */ @@ -248,7 +248,7 @@ int main(int argc, char *argv[]) { /* Unmount all mountpoints, swaps, and loopback devices */ retries = FINALIZE_ATTEMPTS; - while (need_umount || need_swapoff || need_loop_detach) { + for (;;) { if (need_umount) { log_info("Unmounting filesystems."); r = umount_all(); @@ -280,10 +280,20 @@ int main(int argc, char *argv[]) { log_warning("Not all loop devices detached, %d left.", r); else log_error("Error detaching loop devices: %s", strerror(-r)); + } + if (need_dm_detach) { + log_info("Detaching DM devices."); + r = dm_detach_all(); + if (r == 0) + need_dm_detach = false; + else if (r > 0) + log_warning("Not all dm devices detached, %d left.", r); + else + log_error("Error detaching dm devices: %s", strerror(-r)); } - if (need_umount || need_swapoff || need_loop_detach) { + if (need_umount || need_swapoff || need_loop_detach || need_dm_detach) { retries--; if (retries == FINALIZE_CRITICAL_ATTEMPTS) { @@ -295,11 +305,12 @@ int main(int argc, char *argv[]) { if (retries > 0) log_info("Action still required, %d tries left.", retries); else { - log_error("Giving up. Actions left: Umount=%s, Swap off=%s, Loop detach=%s", - yes_no(need_umount), yes_no(need_swapoff), yes_no(need_loop_detach)); + log_error("Giving up. Actions left: Umount=%s, Swap off=%s, Loop detach=%s, dm detach=%s", + yes_no(need_umount), yes_no(need_swapoff), yes_no(need_loop_detach), yes_no(need_dm_detach)); break; } - } + } else + break; } sync(); -- cgit v1.2.3