autofs-5.0.3 - fix expire race
From: Ian Kent <raven@themaw.net>
For multi-mounts, if a mount request comes in and does not complete
before a concurrent expire autofs will not recognize that the tree
has become busy which can lead to a partial expire leaving the
multi-mount non-functional.
---
CHANGELOG | 1 +
lib/mounts.c | 5 ++++-
2 files changed, 5 insertions(+), 1 deletion(-)
--- autofs-5.0.5.orig/CHANGELOG
+++ autofs-5.0.5/CHANGELOG
@@ -59,6 +59,7 @@
- auto adjust ldap page size.
- fix prune cache valid check.
- fix mountd vers retry.
+- fix expire race.
03/09/2009 autofs-5.0.5
-----------------------
--- autofs-5.0.5.orig/lib/mounts.c
+++ autofs-5.0.5/lib/mounts.c
@@ -1525,8 +1525,11 @@ int umount_multi_triggers(struct autofs_
oe_base = oe->key + strlen(root);
left += umount_multi_triggers(ap, oe, root, oe_base);
- if (oe->ioctlfd != -1)
+ if (oe->ioctlfd != -1 ||
+ is_mounted(_PROC_MOUNTS, oe->key, MNTS_REAL)) {
left++;
+ break;
+ }
}
if (left)
