Author: kib
Date: Sun Nov 16 21:57:54 2008
New Revision: 185012
URL: http://svn.freebsd.org/changeset/base/185012
Log:
Instead of forcing vn_start_write() to reset mp back to NULL for the
failed calls with non-NULL vp, explicitely clear mp after failure.
Tested by: stass
Reviewed by: tegge
PR: 123768
MFC after: 1 week
Modified:
head/sys/vm/vm_pageout.c
Modified: head/sys/vm/vm_pageout.c
==============================================================================
--- head/sys/vm/vm_pageout.c Sun Nov 16 21:56:29 2008 (r185011)
+++ head/sys/vm/vm_pageout.c Sun Nov 16 21:57:54 2008 (r185012)
@@ -944,8 +944,7 @@ rescan0:
vp = object->handle;
if (vp->v_type == VREG &&
vn_start_write(vp, &mp, V_NOWAIT) != 0) {
- KASSERT(mp == NULL,
- ("vm_pageout_scan: mp != NULL"));
+ mp = NULL;
++pageout_lock_miss;
if (object->flags & OBJ_MIGHTBEDIRTY)
vnodes_skipped++;
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