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 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 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 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