OpenSolaris Launch

1 files changed, 108 insertions, 0 deletions

diff --git a/usr/src/uts/common/fs/objfs/objfs_common.c b/usr/src/uts/common/fs/objfs/objfs_common.c
new file mode 100644
index 0000000000..35252c0d91
--- /dev/null
+++ b/usr/src/uts/common/fs/objfs/objfs_common.c
@@ -0,0 +1,108 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/errno.h>
+#include <sys/file.h>
+#include <sys/objfs.h>
+#include <sys/objfs_impl.h>
+
+/*
+ * For directories, make sure we are using large-file aware interfaces and we
+ * aren't trying to open it writeable.
+ */
+/* ARGSUSED */
+int
+objfs_dir_open(vnode_t **cpp, int flag, cred_t *cr)
+{
+	if ((flag & (FOFFMAX | FWRITE)) != FOFFMAX)
+		return (EINVAL);
+
+	return (0);
+}
+
+/*
+ * For all vnodes which have no cleanup to do at close time.
+ */
+/* ARGSUSED */
+int
+objfs_common_close(vnode_t *vp, int flag, int count, offset_t off, cred_t *cr)
+{
+	return (0);
+}
+
+/*
+ * For directories, ensure we're not open for writting.
+ */
+/* ARGSUSED */
+int
+objfs_dir_access(vnode_t *vp, int mode, int flags, cred_t *cr)
+{
+	if (mode & VWRITE)
+		return (EACCES);
+
+	return (0);
+}
+
+/*
+ * Fills in common fields for getattr().
+ */
+int
+objfs_common_getattr(vnode_t *vp, vattr_t *vap)
+{
+	vap->va_uid = 0;
+	vap->va_gid = 0;
+	vap->va_rdev = 0;
+	vap->va_blksize = DEV_BSIZE;
+	vap->va_nblocks = howmany(vap->va_size, vap->va_blksize);
+	vap->va_seq = 0;
+	vap->va_fsid = vp->v_vfsp->vfs_dev;
+
+	return (0);
+}
+
+/*
+ * Returns the number objects currently loaded in the system.
+ */
+int
+objfs_nobjs(void)
+{
+	int count = 0;
+	struct modctl *mp;
+
+	mutex_enter(&mod_lock);
+	mp = &modules;
+
+	do {
+		if (mp->mod_loaded)
+			count++;
+	} while ((mp = mp->mod_next) != &modules);
+
+	mutex_exit(&mod_lock);
+
+	return (count);
+}