svn commit: r351576 - head/sys/vm
Mateusz Guzik
mjg at FreeBSD.org
Wed Aug 28 19:28:28 UTC 2019
Author: mjg
Date: Wed Aug 28 19:28:27 2019
New Revision: 351576
URL: https://svnweb.freebsd.org/changeset/base/351576
Log:
vm: only lock tmpfs vnode shared in vm_object_deallocate
Reviewed by: kib
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D21455
Modified:
head/sys/vm/vm_object.c
Modified: head/sys/vm/vm_object.c
==============================================================================
--- head/sys/vm/vm_object.c Wed Aug 28 18:01:54 2019 (r351575)
+++ head/sys/vm/vm_object.c Wed Aug 28 19:28:27 2019 (r351576)
@@ -536,7 +536,7 @@ vm_object_deallocate(vm_object_t object)
vp = object->un_pager.swp.swp_tmpfs;
vhold(vp);
VM_OBJECT_WUNLOCK(object);
- vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
+ vn_lock(vp, LK_SHARED | LK_RETRY);
VM_OBJECT_WLOCK(object);
if (object->type == OBJT_DEAD ||
object->ref_count != 1) {
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