xnu-792.18.15.tar.gz

[apple/xnu.git] / bsd / vm / vnode_pager.c

diff --git a/bsd/vm/vnode_pager.c b/bsd/vm/vnode_pager.c
index 0aa340f045b3923746c62b5bd095162f148fbc7d..552c0afb0bf733fb2d758c5d17d8d1a98b0cfd05 100644 (file)
--- a/bsd/vm/vnode_pager.c
+++ b/bsd/vm/vnode_pager.c
@@ -1,14 +1,19 @@
 /*
  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -18,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* 
  * Mach Operating System
@@ -83,6 +88,32 @@ vnode_pager_get_filesize(struct vnode *vp)
        return (vm_object_offset_t) ubc_getsize(vp);
 }
 
+kern_return_t
+vnode_pager_get_pathname(
+       struct vnode    *vp,
+       char            *pathname,
+       vm_size_t       *length_p)
+{
+       int     error, len;
+
+       len = (int) *length_p;
+       error = vn_getpath(vp, pathname, &len);
+       if (error != 0) {
+               return KERN_FAILURE;
+       }
+       *length_p = (vm_size_t) len;
+       return KERN_SUCCESS;
+}
+
+kern_return_t
+vnode_pager_get_filename(
+       struct vnode    *vp,
+       char            **filename)
+{
+       *filename = vp->v_name;
+       return KERN_SUCCESS;
+}
+
 pager_return_t
 vnode_pageout(struct vnode *vp,
        upl_t                   upl,