Module Name: src
Committed By: yamt
Date: Sun Feb 5 08:23:41 UTC 2012
Modified Files:
src/sys/miscfs/genfs [yamt-pagecache]: genfs_io.c
Log Message:
genfs_gop_write_rwmap: comment
To generate a diff of this commit:
cvs rdiff -u -r1.53.2.11 -r1.53.2.12 src/sys/miscfs/genfs/genfs_io.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/miscfs/genfs/genfs_io.c
diff -u src/sys/miscfs/genfs/genfs_io.c:1.53.2.11 src/sys/miscfs/genfs/genfs_io.c:1.53.2.12
--- src/sys/miscfs/genfs/genfs_io.c:1.53.2.11 Sun Feb 5 05:01:26 2012
+++ src/sys/miscfs/genfs/genfs_io.c Sun Feb 5 08:23:41 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: genfs_io.c,v 1.53.2.11 2012/02/05 05:01:26 yamt Exp $ */
+/* $NetBSD: genfs_io.c,v 1.53.2.12 2012/02/05 08:23:41 yamt Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1993
@@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: genfs_io.c,v 1.53.2.11 2012/02/05 05:01:26 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: genfs_io.c,v 1.53.2.12 2012/02/05 08:23:41 yamt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -1333,8 +1333,17 @@ genfs_gop_write(struct vnode *vp, struct
return error;
}
+/*
+ * genfs_gop_write_rwmap:
+ *
+ * a variant of genfs_gop_write. it's used by UDF for its directory buffers.
+ * this maps pages with PROT_WRITE so that VOP_STRATEGY can modifies
+ * the contents before writing it out to the underlying storage.
+ */
+
int
-genfs_gop_write_rwmap(struct vnode *vp, struct vm_page **pgs, int npages, int flags)
+genfs_gop_write_rwmap(struct vnode *vp, struct vm_page **pgs, int npages,
+ int flags)
{
off_t off;
vaddr_t kva;
