diff options
Diffstat (limited to 'usr/src/lib/libbc/inc/include/sys/vfs.h')
| -rw-r--r-- | usr/src/lib/libbc/inc/include/sys/vfs.h | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/usr/src/lib/libbc/inc/include/sys/vfs.h b/usr/src/lib/libbc/inc/include/sys/vfs.h deleted file mode 100644 index b593914bfe..0000000000 --- a/usr/src/lib/libbc/inc/include/sys/vfs.h +++ /dev/null @@ -1,164 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 1988 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -/* - * File system identifier. Should be unique (at least per machine). - */ - -#ifndef _sys_vfs_h -#define _sys_vfs_h - -typedef struct { - long val[2]; /* file system id type */ -} fsid_t; - -/* - * File identifier. Should be unique per filesystem on a single machine. - */ -#define MAXFIDSZ 16 -#define freefid(fidp) \ - kmem_free((caddr_t)(fidp), sizeof (struct fid) - MAXFIDSZ + (fidp)->fid_len) - -struct fid { - u_short fid_len; /* length of data in bytes */ - char fid_data[MAXFIDSZ]; /* data (variable length) */ -}; - -/* - * Structure per mounted file system. - * Each mounted file system has an array of - * operations and an instance record. - * The file systems are put on a singly linked list. - * If vfs_stats is non-NULL statistics are gathered, see vfs_stat.h - */ -struct vfs { - struct vfs *vfs_next; /* next vfs in vfs list */ - struct vfsops *vfs_op; /* operations on vfs */ - struct vnode *vfs_vnodecovered; /* vnode we mounted on */ - int vfs_flag; /* flags */ - int vfs_bsize; /* native block size */ - fsid_t vfs_fsid; /* file system id */ - caddr_t vfs_stats; /* filesystem statistics */ - caddr_t vfs_data; /* private data */ -}; - -/* - * vfs flags. - * VFS_MLOCK lock the vfs so that name lookup cannot proceed past the vfs. - * This keeps the subtree stable during mounts and unmounts. - */ -#define VFS_RDONLY 0x01 /* read only vfs */ -#define VFS_MLOCK 0x02 /* lock vfs so that subtree is stable */ -#define VFS_MWAIT 0x04 /* someone is waiting for lock */ -#define VFS_NOSUID 0x08 /* turn off set-uid on exec */ -#define VFS_GRPID 0x10 /* Old BSD group-id on create */ -#define VFS_NOSUB 0x20 /* No mounts allowed beneath this fs */ -#define VFS_REMOUNT 0x40 /* modify mount otions only */ -#define VFS_MULTI 0x80 /* Do multi-component lookup on files */ - -/* - * Operations supported on virtual file system. - */ -struct vfsops { - int (*vfs_mount)(); /* mount file system */ - int (*vfs_unmount)(); /* unmount file system */ - int (*vfs_root)(); /* get root vnode */ - int (*vfs_statfs)(); /* get fs statistics */ - int (*vfs_sync)(); /* flush fs buffers */ - int (*vfs_vget)(); /* get vnode from fid */ - int (*vfs_mountroot)(); /* mount the root filesystem */ - int (*vfs_swapvp)(); /* return vnode for swap */ -}; - -#define VFS_MOUNT(VFSP, PATH, DATA) \ - (*(VFSP)->vfs_op->vfs_mount)(VFSP, PATH, DATA) -#define VFS_UNMOUNT(VFSP) (*(VFSP)->vfs_op->vfs_unmount)(VFSP) -#define VFS_ROOT(VFSP, VPP) (*(VFSP)->vfs_op->vfs_root)(VFSP,VPP) -#define VFS_STATFS(VFSP, SBP) (*(VFSP)->vfs_op->vfs_statfs)(VFSP,SBP) -#define VFS_SYNC(VFSP) (*(VFSP)->vfs_op->vfs_sync)(VFSP) -#define VFS_VGET(VFSP, VPP, FIDP) (*(VFSP)->vfs_op->vfs_vget)(VFSP, VPP, FIDP) -#define VFS_MOUNTROOT(VFSP, VPP, NM) \ - (*(VFSP)->vfs_op->vfs_mountroot)(VFSP, VPP, NM) -#define VFS_SWAPVP(VFSP, VPP, NM) (*(VFSP)->vfs_op->vfs_swapvp)(VFSP, VPP, NM) - -/* - * file system statistics - */ -struct statfs { - long f_type; /* type of info, zero for now */ - long f_bsize; /* fundamental file system block size */ - long f_blocks; /* total blocks in file system */ - long f_bfree; /* free block in fs */ - long f_bavail; /* free blocks avail to non-superuser */ - long f_files; /* total file nodes in file system */ - long f_ffree; /* free file nodes in fs */ - fsid_t f_fsid; /* file system id */ - long f_spare[7]; /* spare for later */ -}; - -#ifdef KERNEL -/* - * Filesystem type switch table - */ -struct vfssw { - char *vsw_name; /* type name string */ - struct vfsops *vsw_ops; /* filesystem operations vector */ -}; - -/* - * public operations - */ -extern void vfs_mountroot(); /* mount the root */ -extern int vfs_add(); /* add a new vfs to mounted vfs list */ -extern void vfs_remove(); /* remove a vfs from mounted vfs list */ -extern int vfs_lock(); /* lock a vfs */ -extern void vfs_unlock(); /* unlock a vfs */ -extern struct vfs *getvfs(); /* return vfs given fsid */ -extern struct vfssw *getfstype(); /* find default filesystem type */ -extern int vfs_getmajor(); /* get major device # for an fs type */ -extern void vfs_putmajor(); /* free major device # for an fs type */ -extern int vfs_getnum(); /* get device # for an fs type */ -extern void vfs_putnum(); /* release device # for an fs type */ - -#define VFS_INIT(VFSP, OP, DATA) { \ - (VFSP)->vfs_next = (struct vfs *)0; \ - (VFSP)->vfs_op = (OP); \ - (VFSP)->vfs_flag = 0; \ - (VFSP)->vfs_stats = NULL; \ - (VFSP)->vfs_data = (DATA); \ -} - -/* - * globals - */ -extern struct vfs *rootvfs; /* ptr to root vfs structure */ -extern struct vfssw vfssw[]; /* table of filesystem types */ -extern struct vfssw *vfsNVFS; /* vfs switch table end marker */ -#endif - -#endif /*!_sys_vfs_h*/ |