MFC r298982:

Add EVFILT_VNODE open, read and close notifications.

MFC r298984:
Correct wording.

1 files changed, 39 insertions, 0 deletions

diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index 63574d8..674876d 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -4446,6 +4446,45 @@ vop_symlink_post(void *ap, int rc)
 		VFS_KNOTE_LOCKED(a->a_dvp, NOTE_WRITE);
 }
 
+void
+vop_open_post(void *ap, int rc)
+{
+	struct vop_open_args *a = ap;
+
+	if (!rc)
+		VFS_KNOTE_LOCKED(a->a_vp, NOTE_OPEN);
+}
+
+void
+vop_close_post(void *ap, int rc)
+{
+	struct vop_close_args *a = ap;
+
+	if (!rc && (a->a_cred != NOCRED || /* filter out revokes */
+	    (a->a_vp->v_iflag & VI_DOOMED) == 0)) {
+		VFS_KNOTE_LOCKED(a->a_vp, (a->a_fflag & FWRITE) != 0 ?
+		    NOTE_CLOSE_WRITE : NOTE_CLOSE);
+	}
+}
+
+void
+vop_read_post(void *ap, int rc)
+{
+	struct vop_read_args *a = ap;
+
+	if (!rc)
+		VFS_KNOTE_LOCKED(a->a_vp, NOTE_READ);
+}
+
+void
+vop_readdir_post(void *ap, int rc)
+{
+	struct vop_readdir_args *a = ap;
+
+	if (!rc)
+		VFS_KNOTE_LOCKED(a->a_vp, NOTE_READ);
+}
+
 static struct knlist fs_knlist;
 
 static void