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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * Copyright 2024 Oxide Computer Company 25 */ 26 27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * Portions of this source code were derived from Berkeley 4.3 BSD 32 * under license from the Regents of the University of California. 33 */ 34 35 #include <sys/types.h> 36 #include <sys/cred.h> 37 #include <sys/systm.h> 38 #include <sys/errno.h> 39 #include <sys/vnode.h> 40 #include <sys/vfs.h> 41 #include <sys/file.h> 42 #include <sys/fdsync.h> 43 44 /* 45 * This is the common system call for fsync(), fdatasync(), and syncfs(). It 46 * performs the requested I/O synchronization for the file descriptor. 47 */ 48 int 49 fdsync(int fd, uint32_t arg) 50 { 51 file_t *fp; 52 int ret; 53 54 if ((fp = getf(fd)) == NULL) { 55 return (set_errno(EBADF)); 56 } 57 58 switch (arg) { 59 case FDSYNC_FS: 60 ret = VFS_SYNCFS(fp->f_vnode->v_vfsp, 0, fp->f_cred); 61 break; 62 case FDSYNC_FILE: 63 ret = VOP_FSYNC(fp->f_vnode, FSYNC, fp->f_cred, NULL); 64 break; 65 case FDSYNC_DATA: 66 ret = VOP_FSYNC(fp->f_vnode, FDSYNC, fp->f_cred, NULL); 67 break; 68 default: 69 ret = EINVAL; 70 break; 71 } 72 73 releasef(fd); 74 if (ret != 0) { 75 (void) set_errno(ret); 76 } 77 78 return (ret); 79 } 80