svn commit: r232103 - head/sys/vm

Konstantin Belousov kib at FreeBSD.org
Fri Feb 24 10:41:59 UTC 2012


Author: kib
Date: Fri Feb 24 10:41:58 2012
New Revision: 232103
URL: http://svn.freebsd.org/changeset/base/232103

Log:
  Place the if() at the right location, to activate the v_writecount
  accounting for shared writeable mappings for all filesystems, not only
  for the bypass layers.
  
  Submitted by:	alc
  Pointy hat to:	kib
  MFC after:	20 days

Modified:
  head/sys/vm/vm_mmap.c

Modified: head/sys/vm/vm_mmap.c
==============================================================================
--- head/sys/vm/vm_mmap.c	Fri Feb 24 07:54:08 2012	(r232102)
+++ head/sys/vm/vm_mmap.c	Fri Feb 24 10:41:58 2012	(r232103)
@@ -1272,10 +1272,10 @@ vm_mmap_vnode(struct thread *td, vm_size
 				VFS_UNLOCK_GIANT(vfslocked);
 				return (error);
 			}
-			if (locktype == LK_EXCLUSIVE) {
-				*writecounted = TRUE;
-				vnode_pager_update_writecount(obj, 0, objsize);
-			}
+		}
+		if (locktype == LK_EXCLUSIVE) {
+			*writecounted = TRUE;
+			vnode_pager_update_writecount(obj, 0, objsize);
 		}
 	} else if (vp->v_type == VCHR) {
 		error = vm_mmap_cdev(td, objsize, prot, maxprotp, flagsp,


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