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 #include <sys/systm.h>
28 #include <sys/vnode.h>
29 #include <sys/uio.h>
30 #include <sys/errno.h>
31 #include <sys/fs/ufs_inode.h>
32
33 #include <sys/fs/ufs_filio.h>
34 #include <sys/fs/ufs_log.h>
35 #include <sys/sunddi.h>
36 #include <sys/file.h>
37
38 /* ARGSUSED */
39 int
ufs_fiologenable(vnode_t * vp,fiolog_t * ufl,cred_t * cr,int flags)40 ufs_fiologenable(vnode_t *vp, fiolog_t *ufl, cred_t *cr, int flags)
41 {
42 int error = 0;
43 fiolog_t fl;
44
45 /*
46 * Enable logging
47 */
48 if (ddi_copyin(ufl, &fl, sizeof (fl), flags))
49 return (EFAULT);
50 error = lufs_enable(vp, &fl, cr);
51 if (ddi_copyout(&fl, ufl, sizeof (*ufl), flags))
52 return (EFAULT);
53
54 return (error);
55 }
56
57 /* ARGSUSED */
58 int
ufs_fiologdisable(vnode_t * vp,fiolog_t * ufl,cred_t * cr,int flags)59 ufs_fiologdisable(vnode_t *vp, fiolog_t *ufl, cred_t *cr, int flags)
60 {
61 int error = 0;
62 struct fiolog fl;
63
64 /*
65 * Disable logging
66 */
67 if (ddi_copyin(ufl, &fl, sizeof (fl), flags))
68 return (EFAULT);
69 error = lufs_disable(vp, &fl);
70 if (ddi_copyout(&fl, ufl, sizeof (*ufl), flags))
71 return (EFAULT);
72
73 return (error);
74 }
75
76 /*
77 * ufs_fioislog
78 * Return true if log is present and active; otherwise false
79 */
80 /* ARGSUSED */
81 int
ufs_fioislog(vnode_t * vp,uint32_t * islog,cred_t * cr,int flags)82 ufs_fioislog(vnode_t *vp, uint32_t *islog, cred_t *cr, int flags)
83 {
84 ufsvfs_t *ufsvfsp = VTOI(vp)->i_ufsvfs;
85 int active;
86
87 active = (ufsvfsp && ufsvfsp->vfs_log);
88 if (flags & FKIOCTL)
89 *islog = active;
90 else if (suword32(islog, active))
91 return (EFAULT);
92 return (0);
93 }
94