svn commit: r230068 - in stable/8/sys: kern sys

[John Baldwin]

Author: jhb
Date: Fri Jan 13 18:54:10 2012
New Revision: 230068
URL: http://svn.freebsd.org/changeset/base/230068

Log:
  MFC 228849, 229727:
  Add post-VOP hooks for VOP_DELETEEXTATTR() and VOP_SETEXTATTR() and use
  these to trigger a NOTE_ATTRIB EVFILT_VNODE kevent when the extended
  attributes of a vnode are changed.

Modified:
  stable/8/sys/kern/vfs_subr.c
  stable/8/sys/kern/vnode_if.src
  stable/8/sys/sys/vnode.h
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/kern/vfs_subr.c
==============================================================================
--- stable/8/sys/kern/vfs_subr.c	Fri Jan 13 18:53:48 2012	(r230067)
+++ stable/8/sys/kern/vfs_subr.c	Fri Jan 13 18:54:10 2012	(r230068)
@@ -4003,6 +4003,15 @@ vop_create_post(void *ap, int rc)
 }
 
 void
+vop_deleteextattr_post(void *ap, int rc)
+{
+	struct vop_deleteextattr_args *a = ap;
+
+	if (!rc)
+		VFS_KNOTE_LOCKED(a->a_vp, NOTE_ATTRIB);
+}
+
+void
 vop_link_post(void *ap, int rc)
 {
 	struct vop_link_args *a = ap;
@@ -4084,6 +4093,15 @@ vop_setattr_post(void *ap, int rc)
 }
 
 void
+vop_setextattr_post(void *ap, int rc)
+{
+	struct vop_setextattr_args *a = ap;
+
+	if (!rc)
+		VFS_KNOTE_LOCKED(a->a_vp, NOTE_ATTRIB);
+}
+
+void
 vop_symlink_post(void *ap, int rc)
 {
 	struct vop_symlink_args *a = ap;

Modified: stable/8/sys/kern/vnode_if.src
==============================================================================
--- stable/8/sys/kern/vnode_if.src	Fri Jan 13 18:53:48 2012	(r230067)
+++ stable/8/sys/kern/vnode_if.src	Fri Jan 13 18:54:10 2012	(r230068)
@@ -562,6 +562,7 @@ vop_openextattr {
 
 
 %% deleteextattr	vp	E E E
+%! deleteextattr	post	vop_deleteextattr_post
 
 vop_deleteextattr {
 	IN struct vnode *vp;
@@ -573,6 +574,7 @@ vop_deleteextattr {
 
 
 %% setextattr	vp	E E E
+%! setextattr	post	vop_setextattr_post
 
 vop_setextattr {
 	IN struct vnode *vp;

Modified: stable/8/sys/sys/vnode.h
==============================================================================
--- stable/8/sys/sys/vnode.h	Fri Jan 13 18:53:48 2012	(r230067)
+++ stable/8/sys/sys/vnode.h	Fri Jan 13 18:54:10 2012	(r230068)
@@ -705,6 +705,7 @@ int	vop_panic(struct vop_generic_args *a
 
 /* These are called from within the actual VOPS. */
 void	vop_create_post(void *a, int rc);
+void	vop_deleteextattr_post(void *a, int rc);
 void	vop_link_post(void *a, int rc);
 void	vop_lock_pre(void *a);
 void	vop_lock_post(void *a, int rc);
@@ -717,6 +718,7 @@ void	vop_rename_post(void *a, int rc);
 void	vop_rename_pre(void *a);
 void	vop_rmdir_post(void *a, int rc);
 void	vop_setattr_post(void *a, int rc);
+void	vop_setextattr_post(void *a, int rc);
 void	vop_strategy_pre(void *a);
 void	vop_symlink_post(void *a, int rc);
 void	vop_unlock_post(void *a, int rc);