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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 22 /* All Rights Reserved */ 23 24 /* 25 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 * Copyright 2017 Joyent, Inc. 28 */ 29 30 #ifndef _SYS_FS_SUBR_H 31 #define _SYS_FS_SUBR_H 32 33 #include <sys/types.h> 34 #include <sys/cred.h> 35 #include <sys/fcntl.h> 36 #include <sys/poll.h> 37 #include <sys/vfs.h> 38 #include <sys/vnode.h> 39 #include <vm/page.h> 40 #include <sys/acl.h> 41 #include <sys/share.h> 42 #include <sys/flock.h> 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 /* 49 * Utilities shared among file system implementations. 50 */ 51 52 #if defined(_KERNEL) || defined(_FAKE_KERNEL) 53 54 extern int fs_nosys(); 55 extern int fs_inval(); 56 extern int fs_notdir(); 57 extern int fs_nosys_syncfs(vfs_t *, uint64_t, cred_t *); 58 extern int fs_nosys_map(struct vnode *, offset_t, struct as *, caddr_t *, 59 size_t, uchar_t, uchar_t, uint_t, struct cred *, 60 caller_context_t *); 61 extern int fs_nosys_addmap(struct vnode *, offset_t, struct as *, caddr_t, 62 size_t, uchar_t, uchar_t, uint_t, struct cred *, 63 caller_context_t *); 64 extern int fs_nosys_poll(struct vnode *, short, int, short *, 65 struct pollhead **, caller_context_t *); 66 extern int fs_ioctl(vnode_t *, int, intptr_t, int, cred_t *, int *); 67 extern int fs_putpage(vnode_t *, offset_t, size_t, int, cred_t *, 68 caller_context_t *); 69 extern int fs_fsync(vnode_t *, int, cred_t *, caller_context_t *); 70 extern int fs_sync(struct vfs *, short, cred_t *); 71 extern int fs_syncfs_nop(vfs_t *, uint64_t, cred_t *); 72 extern int fs_rwlock(vnode_t *, int, caller_context_t *); 73 extern void fs_rwunlock(vnode_t *, int, caller_context_t *); 74 extern int fs_cmp(vnode_t *, vnode_t *, caller_context_t *); 75 extern int fs_seek(vnode_t *, offset_t, offset_t *, caller_context_t *); 76 extern int fs_frlock(vnode_t *, int, struct flock64 *, int, offset_t, 77 struct flk_callback *, cred_t *, caller_context_t *); 78 extern int fs_setfl(vnode_t *, int, int, cred_t *, caller_context_t *); 79 extern int fs_poll(vnode_t *, short, int, short *, struct pollhead **, 80 caller_context_t *); 81 extern int fs_pathconf(struct vnode *, int, ulong_t *, struct cred *, 82 caller_context_t *); 83 extern void clkset(time_t); 84 extern void fs_dispose(struct vnode *, page_t *, int, int, struct cred *, 85 caller_context_t *); 86 extern void fs_nodispose(struct vnode *, page_t *, int, int, struct cred *, 87 caller_context_t *); 88 extern int fs_fab_acl(struct vnode *, vsecattr_t *, int flag, cred_t *, 89 caller_context_t *); 90 extern int fs_shrlock(struct vnode *, int, struct shrlock *, int, 91 cred_t *, caller_context_t *); 92 extern int fs_vnevent_nosupport(vnode_t *, vnevent_t, vnode_t *dvp, 93 char *fnm, caller_context_t *); 94 extern int fs_vnevent_support(vnode_t *, vnevent_t, vnode_t *dvp, 95 char *fnm, caller_context_t *); 96 extern int fs_acl_nontrivial(struct vnode *vp, struct cred *cr); 97 extern int fs_need_estale_retry(int); 98 extern void fs_vscan_register(int (*av_scan)(vnode_t *, cred_t *, int)); 99 extern int fs_vscan(vnode_t *, cred_t *, int); 100 101 extern vfs_t *fs_vfsp_global(struct vfsops *, dev_t, int, uint_t); 102 103 /* Helper function to detect when epoll checks VOP_POLL handlers */ 104 extern boolean_t fs_reject_epoll(); 105 106 #endif /* _KERNEL */ 107 108 #ifdef __cplusplus 109 } 110 #endif 111 112 #endif /* _SYS_FS_SUBR_H */ 113