1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include <sys/systm.h>
30 #include <sys/vnode.h>
31 #include <sys/uio.h>
32 #include <sys/errno.h>
33 #include <sys/fs/ufs_inode.h>
34
35 #include <sys/fs/ufs_filio.h>
36 #include <sys/fs/ufs_log.h>
37 #include <sys/sunddi.h>
38 #include <sys/file.h>
39
40 /* ARGSUSED */
41 int
ufs_fiologenable(vnode_t * vp,fiolog_t * ufl,cred_t * cr,int flags)42 ufs_fiologenable(vnode_t *vp, fiolog_t *ufl, cred_t *cr, int flags)
43 {
44 int error = 0;
45 fiolog_t fl;
46
47 /*
48 * Enable logging
49 */
50 if (ddi_copyin(ufl, &fl, sizeof (fl), flags))
51 return (EFAULT);
52 error = lufs_enable(vp, &fl, cr);
53 if (ddi_copyout(&fl, ufl, sizeof (*ufl), flags))
54 return (EFAULT);
55
56 return (error);
57 }
58
59 /* ARGSUSED */
60 int
ufs_fiologdisable(vnode_t * vp,fiolog_t * ufl,cred_t * cr,int flags)61 ufs_fiologdisable(vnode_t *vp, fiolog_t *ufl, cred_t *cr, int flags)
62 {
63 int error = 0;
64 struct fiolog fl;
65
66 /*
67 * Disable logging
68 */
69 if (ddi_copyin(ufl, &fl, sizeof (fl), flags))
70 return (EFAULT);
71 error = lufs_disable(vp, &fl);
72 if (ddi_copyout(&fl, ufl, sizeof (*ufl), flags))
73 return (EFAULT);
74
75 return (error);
76 }
77
78 /*
79 * ufs_fioislog
80 * Return true if log is present and active; otherwise false
81 */
82 /* ARGSUSED */
83 int
ufs_fioislog(vnode_t * vp,uint32_t * islog,cred_t * cr,int flags)84 ufs_fioislog(vnode_t *vp, uint32_t *islog, cred_t *cr, int flags)
85 {
86 ufsvfs_t *ufsvfsp = VTOI(vp)->i_ufsvfs;
87 int active;
88
89 active = (ufsvfsp && ufsvfsp->vfs_log);
90 if (flags & FKIOCTL)
91 *islog = active;
92 else if (suword32(islog, active))
93 return (EFAULT);
94 return (0);
95 }
96