2013-12-06 12:04:52 +01:00
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/* $NetBSD: mount.h,v 1.210 2013/11/23 13:35:36 christos Exp $ */
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2012-01-25 13:29:07 +01:00
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/*
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* Copyright (c) 1989, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)mount.h 8.21 (Berkeley) 5/20/95
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*/
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#ifndef _SYS_MOUNT_H_
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#define _SYS_MOUNT_H_
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#ifndef _KERNEL
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#include <sys/featuretest.h>
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#if defined(_NETBSD_SOURCE)
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#include <sys/stat.h>
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#endif /* _NETBSD_SOURCE */
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#endif
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#ifndef _STANDALONE
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#include <sys/param.h> /* precautionary upon removal from ucred.h */
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#include <sys/time.h>
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#include <sys/uio.h>
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#include <sys/ucred.h>
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#include <sys/fstypes.h>
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#include <sys/queue.h>
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#include <sys/rwlock.h>
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#include <sys/statvfs.h>
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#include <sys/specificdata.h>
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#include <sys/condvar.h>
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#endif /* !_STANDALONE */
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/*
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* file system statistics
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*/
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#define MNAMELEN 90 /* length of buffer for returned name */
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/*
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* File system types.
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*/
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#define MOUNT_FFS "ffs" /* UNIX "Fast" Filesystem */
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#define MOUNT_UFS MOUNT_FFS /* for compatibility */
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#define MOUNT_NFS "nfs" /* Network Filesystem */
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#define MOUNT_MFS "mfs" /* Memory Filesystem */
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#define MOUNT_MSDOS "msdos" /* MSDOS Filesystem */
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#define MOUNT_LFS "lfs" /* Log-based Filesystem */
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#define MOUNT_FDESC "fdesc" /* File Descriptor Filesystem */
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#define MOUNT_NULL "null" /* Minimal Filesystem Layer */
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#define MOUNT_OVERLAY "overlay" /* Minimal Overlay Filesystem Layer */
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#define MOUNT_UMAP "umap" /* User/Group Identifier Remapping Filesystem */
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#define MOUNT_KERNFS "kernfs" /* Kernel Information Filesystem */
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#define MOUNT_PROCFS "procfs" /* /proc Filesystem */
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#define MOUNT_AFS "afs" /* Andrew Filesystem */
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#define MOUNT_CD9660 "cd9660" /* ISO9660 (aka CDROM) Filesystem */
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#define MOUNT_UNION "union" /* Union (translucent) Filesystem */
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#define MOUNT_ADOSFS "adosfs" /* AmigaDOS Filesystem */
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#define MOUNT_EXT2FS "ext2fs" /* Second Extended Filesystem */
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#define MOUNT_CFS "coda" /* Coda Filesystem */
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#define MOUNT_CODA MOUNT_CFS /* Coda Filesystem */
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#define MOUNT_FILECORE "filecore" /* Acorn Filecore Filesystem */
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#define MOUNT_NTFS "ntfs" /* Windows/NT Filesystem */
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#define MOUNT_SMBFS "smbfs" /* CIFS (SMB) */
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#define MOUNT_PTYFS "ptyfs" /* Pseudo tty filesystem */
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#define MOUNT_TMPFS "tmpfs" /* Efficient memory file-system */
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#define MOUNT_UDF "udf" /* UDF CD/DVD filesystem */
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#define MOUNT_SYSVBFS "sysvbfs" /* System V Boot Filesystem */
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#define MOUNT_PUFFS "puffs" /* Pass-to-Userspace filesystem */
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#define MOUNT_HFS "hfs" /* Apple HFS+ Filesystem */
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#define MOUNT_EFS "efs" /* SGI's Extent Filesystem */
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#define MOUNT_ZFS "zfs" /* Sun ZFS */
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#define MOUNT_NILFS "nilfs" /* NTT's NiLFS(2) logging file system */
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#define MOUNT_RUMPFS "rumpfs" /* rump virtual file system */
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#define MOUNT_V7FS "v7fs" /* 7th Edition of Unix Filesystem */
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#ifndef _STANDALONE
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struct vnode;
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/*
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* Structure per mounted file system. Each mounted file system has an
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* array of operations and an instance record. The file systems are
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* put on a doubly linked list.
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*/
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struct mount {
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TAILQ_ENTRY(mount) mnt_list; /* mount list */
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TAILQ_HEAD(, vnode) mnt_vnodelist; /* list of vnodes this mount */
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struct vfsops *mnt_op; /* operations on fs */
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struct vnode *mnt_vnodecovered; /* vnode we mounted on */
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struct vnode *mnt_syncer; /* syncer vnode */
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void *mnt_transinfo; /* for FS-internal use */
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void *mnt_data; /* private data */
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kmutex_t mnt_unmounting; /* to prevent new activity */
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kmutex_t mnt_renamelock; /* per-fs rename lock */
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int mnt_refcnt; /* ref count on this structure */
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unsigned int mnt_busynest; /* vfs_busy nestings */
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int mnt_flag; /* flags */
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int mnt_iflag; /* internal flags */
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int mnt_fs_bshift; /* offset shift for lblkno */
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int mnt_dev_bshift; /* shift for device sectors */
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struct statvfs mnt_stat; /* cache of filesystem stats */
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specificdata_reference
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mnt_specdataref; /* subsystem specific data */
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kmutex_t mnt_updating; /* to serialize updates */
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struct wapbl_ops
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*mnt_wapbl_op; /* logging ops */
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struct wapbl *mnt_wapbl; /* log info */
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struct wapbl_replay
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*mnt_wapbl_replay; /* replay support XXX: what? */
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uint64_t mnt_gen;
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};
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/*
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* Sysctl CTL_VFS definitions.
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*
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* Second level identifier specifies which filesystem. Second level
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* identifier VFS_GENERIC returns information about all filesystems.
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*
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* Note the slightly non-flat nature of these sysctl numbers. Oh for
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* a better sysctl interface.
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*/
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#define VFS_GENERIC 0 /* generic filesystem information */
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#define VFS_MAXTYPENUM 1 /* int: highest defined fs type */
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#define VFS_CONF 2 /* struct: vfsconf for filesystem given
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as next argument */
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#define VFS_USERMOUNT 3 /* enable/disable fs mnt by non-root */
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#define VFS_MAGICLINKS 4 /* expand 'magic' symlinks */
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#define VFSGEN_MAXID 5 /* number of valid vfs.generic ids */
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/*
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* USE THE SAME NAMES AS MOUNT_*!
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*
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* Only need to add new entry here if the filesystem actually supports
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* sysctl(2).
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*/
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#define CTL_VFS_NAMES { \
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{ "generic", CTLTYPE_NODE }, \
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{ MOUNT_FFS, CTLTYPE_NODE }, \
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{ MOUNT_NFS, CTLTYPE_NODE }, \
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{ MOUNT_MFS, CTLTYPE_NODE }, \
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{ MOUNT_MSDOS, CTLTYPE_NODE }, \
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{ MOUNT_LFS, CTLTYPE_NODE }, \
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{ 0, 0 }, /* MOUNT_LOFS */ \
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{ MOUNT_FDESC, CTLTYPE_NODE }, \
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{ MOUNT_NULL, CTLTYPE_NODE }, \
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{ MOUNT_UMAP, CTLTYPE_NODE }, \
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{ MOUNT_KERNFS, CTLTYPE_NODE }, \
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{ MOUNT_PROCFS, CTLTYPE_NODE }, \
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{ MOUNT_AFS, CTLTYPE_NODE }, \
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{ MOUNT_CD9660, CTLTYPE_NODE }, \
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{ MOUNT_UNION, CTLTYPE_NODE }, \
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{ MOUNT_ADOSFS, CTLTYPE_NODE }, \
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{ MOUNT_EXT2FS, CTLTYPE_NODE }, \
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{ MOUNT_CODA, CTLTYPE_NODE }, \
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{ MOUNT_FILECORE, CTLTYPE_NODE }, \
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{ MOUNT_NTFS, CTLTYPE_NODE }, \
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}
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#define VFS_MAXID 20 /* number of valid vfs ids */
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#define CTL_VFSGENCTL_NAMES { \
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{ 0, 0 }, \
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{ "maxtypenum", CTLTYPE_INT }, \
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{ "conf", CTLTYPE_NODE }, /* Special */ \
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{ "usermount", CTLTYPE_INT }, \
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{ "magiclinks", CTLTYPE_INT }, \
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}
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#if defined(_KERNEL)
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struct quotactl_args; /* in sys/quotactl.h */
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struct quotastat; /* in sys/quotactl.h */
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struct quotaidtypestat; /* in sys/quotactl.h */
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struct quotaobjtypestat; /* in sys/quotactl.h */
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struct quotakcursor; /* in sys/quotactl.h */
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struct quotakey; /* in sys/quota.h */
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struct quotaval; /* in sys/quota.h */
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2012-01-25 13:29:07 +01:00
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#if __STDC__
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struct nameidata;
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#endif
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/*
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* Operations supported on mounted file system.
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*/
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struct vfsops {
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const char *vfs_name;
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size_t vfs_min_mount_data;
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int (*vfs_mount) (struct mount *, const char *, void *,
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size_t *);
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int (*vfs_start) (struct mount *, int);
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int (*vfs_unmount) (struct mount *, int);
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int (*vfs_root) (struct mount *, struct vnode **);
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int (*vfs_quotactl) (struct mount *, struct quotactl_args *);
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int (*vfs_statvfs) (struct mount *, struct statvfs *);
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int (*vfs_sync) (struct mount *, int, struct kauth_cred *);
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int (*vfs_vget) (struct mount *, ino_t, struct vnode **);
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int (*vfs_fhtovp) (struct mount *, struct fid *,
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struct vnode **);
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int (*vfs_vptofh) (struct vnode *, struct fid *, size_t *);
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void (*vfs_init) (void);
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void (*vfs_reinit) (void);
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void (*vfs_done) (void);
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int (*vfs_mountroot)(void);
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int (*vfs_snapshot) (struct mount *, struct vnode *,
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struct timespec *);
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int (*vfs_extattrctl) (struct mount *, int,
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struct vnode *, int, const char *);
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int (*vfs_suspendctl) (struct mount *, int);
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int (*vfs_renamelock_enter)(struct mount *);
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void (*vfs_renamelock_exit)(struct mount *);
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int (*vfs_fsync) (struct vnode *, int);
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const struct vnodeopv_desc * const *vfs_opv_descs;
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int vfs_refcount;
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LIST_ENTRY(vfsops) vfs_list;
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};
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/* XXX vget is actually file system internal. */
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#define VFS_VGET(MP, INO, VPP) (*(MP)->mnt_op->vfs_vget)(MP, INO, VPP)
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#define VFS_RENAMELOCK_ENTER(MP) (*(MP)->mnt_op->vfs_renamelock_enter)(MP)
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#define VFS_RENAMELOCK_EXIT(MP) (*(MP)->mnt_op->vfs_renamelock_exit)(MP)
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#define VFS_FSYNC(MP, VP, FLG) (*(MP)->mnt_op->vfs_fsync)(VP, FLG)
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int VFS_MOUNT(struct mount *, const char *, void *, size_t *);
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int VFS_START(struct mount *, int);
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int VFS_UNMOUNT(struct mount *, int);
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int VFS_ROOT(struct mount *, struct vnode **);
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int VFS_QUOTACTL(struct mount *, struct quotactl_args *);
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int VFS_STATVFS(struct mount *, struct statvfs *);
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int VFS_SYNC(struct mount *, int, struct kauth_cred *);
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int VFS_FHTOVP(struct mount *, struct fid *, struct vnode **);
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int VFS_VPTOFH(struct vnode *, struct fid *, size_t *);
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int VFS_SNAPSHOT(struct mount *, struct vnode *, struct timespec *);
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int VFS_EXTATTRCTL(struct mount *, int, struct vnode *, int, const char *);
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int VFS_SUSPENDCTL(struct mount *, int);
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#endif /* _KERNEL */
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#ifdef _KERNEL
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#if __STDC__
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struct mbuf;
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struct vnodeopv_desc;
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struct kauth_cred;
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#endif
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#define VFS_MAX_MOUNT_DATA 8192
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#define VFS_PROTOS(fsname) \
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int fsname##_mount(struct mount *, const char *, void *, \
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size_t *); \
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int fsname##_start(struct mount *, int); \
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int fsname##_unmount(struct mount *, int); \
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int fsname##_root(struct mount *, struct vnode **); \
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int fsname##_quotactl(struct mount *, struct quotactl_args *); \
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int fsname##_statvfs(struct mount *, struct statvfs *); \
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int fsname##_sync(struct mount *, int, struct kauth_cred *); \
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int fsname##_vget(struct mount *, ino_t, struct vnode **); \
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int fsname##_fhtovp(struct mount *, struct fid *, struct vnode **); \
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int fsname##_vptofh(struct vnode *, struct fid *, size_t *); \
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void fsname##_init(void); \
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void fsname##_reinit(void); \
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void fsname##_done(void); \
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int fsname##_mountroot(void); \
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int fsname##_snapshot(struct mount *, struct vnode *, \
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struct timespec *); \
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int fsname##_extattrctl(struct mount *, int, struct vnode *, int, \
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const char *); \
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int fsname##_suspendctl(struct mount *, int)
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/*
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* This operations vector is so wapbl can be wrapped into a filesystem lkm.
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* XXX Eventually, we want to move this functionality
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* down into the filesystems themselves so that this isn't needed.
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*/
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struct wapbl_ops {
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void (*wo_wapbl_discard)(struct wapbl *);
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int (*wo_wapbl_replay_isopen)(struct wapbl_replay *);
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int (*wo_wapbl_replay_can_read)(struct wapbl_replay *, daddr_t, long);
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int (*wo_wapbl_replay_read)(struct wapbl_replay *, void *, daddr_t, long);
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void (*wo_wapbl_add_buf)(struct wapbl *, struct buf *);
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void (*wo_wapbl_remove_buf)(struct wapbl *, struct buf *);
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void (*wo_wapbl_resize_buf)(struct wapbl *, struct buf *, long, long);
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int (*wo_wapbl_begin)(struct wapbl *, const char *, int);
|
|
|
|
void (*wo_wapbl_end)(struct wapbl *);
|
|
|
|
void (*wo_wapbl_junlock_assert)(struct wapbl *);
|
|
|
|
void (*wo_wapbl_biodone)(struct buf *);
|
|
|
|
};
|
|
|
|
#define WAPBL_DISCARD(MP) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_discard)((MP)->mnt_wapbl)
|
|
|
|
#define WAPBL_REPLAY_ISOPEN(MP) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_replay_isopen)((MP)->mnt_wapbl_replay)
|
|
|
|
#define WAPBL_REPLAY_CAN_READ(MP, BLK, LEN) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_replay_can_read)((MP)->mnt_wapbl_replay, \
|
|
|
|
(BLK), (LEN))
|
|
|
|
#define WAPBL_REPLAY_READ(MP, DATA, BLK, LEN) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_replay_read)((MP)->mnt_wapbl_replay, \
|
|
|
|
(DATA), (BLK), (LEN))
|
|
|
|
#define WAPBL_ADD_BUF(MP, BP) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_add_buf)((MP)->mnt_wapbl, (BP))
|
|
|
|
#define WAPBL_REMOVE_BUF(MP, BP) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_remove_buf)((MP)->mnt_wapbl, (BP))
|
|
|
|
#define WAPBL_RESIZE_BUF(MP, BP, OLDSZ, OLDCNT) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_resize_buf)((MP)->mnt_wapbl, (BP), \
|
|
|
|
(OLDSZ), (OLDCNT))
|
|
|
|
#define WAPBL_BEGIN(MP) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_begin)((MP)->mnt_wapbl, \
|
|
|
|
__FILE__, __LINE__)
|
|
|
|
#define WAPBL_END(MP) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_end)((MP)->mnt_wapbl)
|
|
|
|
#define WAPBL_JUNLOCK_ASSERT(MP) \
|
|
|
|
(*(MP)->mnt_wapbl_op->wo_wapbl_junlock_assert)((MP)->mnt_wapbl)
|
|
|
|
|
|
|
|
struct vfs_hooks {
|
|
|
|
LIST_ENTRY(vfs_hooks) vfs_hooks_list;
|
|
|
|
void (*vh_unmount)(struct mount *);
|
|
|
|
int (*vh_reexport)(struct mount *, const char *, void *);
|
|
|
|
void (*vh_future_expansion_1)(void);
|
|
|
|
void (*vh_future_expansion_2)(void);
|
|
|
|
void (*vh_future_expansion_3)(void);
|
|
|
|
void (*vh_future_expansion_4)(void);
|
|
|
|
void (*vh_future_expansion_5)(void);
|
|
|
|
};
|
|
|
|
|
|
|
|
void vfs_hooks_init(void);
|
|
|
|
int vfs_hooks_attach(struct vfs_hooks *);
|
|
|
|
int vfs_hooks_detach(struct vfs_hooks *);
|
|
|
|
void vfs_hooks_unmount(struct mount *);
|
|
|
|
int vfs_hooks_reexport(struct mount *, const char *, void *);
|
|
|
|
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Export arguments for local filesystem mount calls.
|
|
|
|
*
|
|
|
|
* This structure is deprecated and is only provided for compatibility
|
|
|
|
* reasons with old binary utilities; several file systems expose an
|
|
|
|
* instance of this structure in their mount arguments structure, thus
|
|
|
|
* needing a padding in place of the old values. This definition cannot
|
|
|
|
* change in the future due to this reason.
|
|
|
|
* XXX: This should be moved to the compat subtree but cannot be done
|
|
|
|
* until we can move the mount args structures themselves.
|
|
|
|
*
|
|
|
|
* The current export_args structure can be found in nfs/nfs.h.
|
|
|
|
*/
|
|
|
|
struct export_args30 {
|
|
|
|
int ex_flags; /* export related flags */
|
|
|
|
uid_t ex_root; /* mapping for root uid */
|
|
|
|
struct uucred ex_anon; /* mapping for anonymous user */
|
|
|
|
struct sockaddr *ex_addr; /* net address to which exported */
|
|
|
|
int ex_addrlen; /* and the net address length */
|
|
|
|
struct sockaddr *ex_mask; /* mask of valid bits in saddr */
|
|
|
|
int ex_masklen; /* and the smask length */
|
|
|
|
char *ex_indexfile; /* index file for WebNFS URLs */
|
|
|
|
};
|
|
|
|
|
|
|
|
struct mnt_export_args30 {
|
|
|
|
const char *fspec; /* Always NULL */
|
|
|
|
struct export_args30 eargs;
|
|
|
|
};
|
|
|
|
|
|
|
|
#ifdef _KERNEL
|
|
|
|
|
|
|
|
/*
|
|
|
|
* exported VFS interface (see vfssubr(9))
|
|
|
|
*/
|
|
|
|
struct mount *vfs_getvfs(fsid_t *); /* return vfs given fsid */
|
|
|
|
int vfs_composefh(struct vnode *, fhandle_t *, size_t *);
|
|
|
|
int vfs_composefh_alloc(struct vnode *, fhandle_t **);
|
|
|
|
void vfs_composefh_free(fhandle_t *);
|
|
|
|
int vfs_fhtovp(fhandle_t *, struct vnode **);
|
|
|
|
int vfs_mountedon(struct vnode *);/* is a vfs mounted on vp */
|
|
|
|
int vfs_mountroot(void);
|
|
|
|
void vfs_shutdown(void); /* unmount and sync file systems */
|
|
|
|
void vfs_sync_all(struct lwp *);
|
|
|
|
bool vfs_unmountall(struct lwp *); /* unmount file systems */
|
|
|
|
bool vfs_unmountall1(struct lwp *, bool, bool);
|
|
|
|
bool vfs_unmount_forceone(struct lwp *);
|
|
|
|
int vfs_busy(struct mount *, struct mount **);
|
|
|
|
int vfs_rootmountalloc(const char *, const char *, struct mount **);
|
|
|
|
void vfs_unbusy(struct mount *, bool, struct mount **);
|
|
|
|
int vfs_attach(struct vfsops *);
|
|
|
|
int vfs_detach(struct vfsops *);
|
|
|
|
void vfs_reinit(void);
|
|
|
|
struct vfsops *vfs_getopsbyname(const char *);
|
|
|
|
void vfs_delref(struct vfsops *);
|
|
|
|
void vfs_destroy(struct mount *);
|
|
|
|
void vfs_scrubvnlist(struct mount *);
|
|
|
|
struct mount *vfs_mountalloc(struct vfsops *, struct vnode *);
|
|
|
|
int vfs_stdextattrctl(struct mount *, int, struct vnode *,
|
|
|
|
int, const char *);
|
|
|
|
void vfs_insmntque(struct vnode *, struct mount *);
|
2013-12-10 21:21:49 +01:00
|
|
|
int vfs_quotactl_stat(struct mount *, struct quotastat *);
|
|
|
|
int vfs_quotactl_idtypestat(struct mount *, int, struct quotaidtypestat *);
|
|
|
|
int vfs_quotactl_objtypestat(struct mount *,int,struct quotaobjtypestat *);
|
|
|
|
int vfs_quotactl_get(struct mount *, const struct quotakey *,
|
|
|
|
struct quotaval *);
|
|
|
|
int vfs_quotactl_put(struct mount *, const struct quotakey *,
|
|
|
|
const struct quotaval *);
|
|
|
|
int vfs_quotactl_delete(struct mount *, const struct quotakey *);
|
|
|
|
int vfs_quotactl_cursoropen(struct mount *, struct quotakcursor *);
|
|
|
|
int vfs_quotactl_cursorclose(struct mount *, struct quotakcursor *);
|
|
|
|
int vfs_quotactl_cursorskipidtype(struct mount *, struct quotakcursor *,
|
|
|
|
int);
|
|
|
|
int vfs_quotactl_cursorget(struct mount *, struct quotakcursor *,
|
|
|
|
struct quotakey *, struct quotaval *, unsigned, unsigned *);
|
|
|
|
int vfs_quotactl_cursoratend(struct mount *, struct quotakcursor *, int *);
|
|
|
|
int vfs_quotactl_cursorrewind(struct mount *, struct quotakcursor *);
|
|
|
|
int vfs_quotactl_quotaon(struct mount *, int, const char *);
|
|
|
|
int vfs_quotactl_quotaoff(struct mount *, int);
|
2012-01-25 13:29:07 +01:00
|
|
|
|
2013-12-06 12:04:52 +01:00
|
|
|
extern TAILQ_HEAD(mntlist, mount) mountlist; /* mounted filesystem list */
|
2012-01-25 13:29:07 +01:00
|
|
|
extern struct vfsops *vfssw[]; /* filesystem type table */
|
|
|
|
extern int nvfssw;
|
|
|
|
extern kmutex_t mountlist_lock;
|
|
|
|
extern kmutex_t vfs_list_lock;
|
|
|
|
|
|
|
|
void vfs_mount_sysinit(void);
|
|
|
|
long makefstype(const char *);
|
|
|
|
int mount_domount(struct lwp *, struct vnode **, struct vfsops *,
|
|
|
|
const char *, int, void *, size_t *);
|
|
|
|
int dounmount(struct mount *, int, struct lwp *);
|
|
|
|
int do_sys_mount(struct lwp *, struct vfsops *, const char *, const char *,
|
|
|
|
int, void *, enum uio_seg, size_t, register_t *);
|
|
|
|
void vfsinit(void);
|
|
|
|
void vfs_opv_init(const struct vnodeopv_desc * const *);
|
|
|
|
void vfs_opv_free(const struct vnodeopv_desc * const *);
|
|
|
|
#ifdef DEBUG
|
|
|
|
void vfs_bufstats(void);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
int mount_specific_key_create(specificdata_key_t *, specificdata_dtor_t);
|
|
|
|
void mount_specific_key_delete(specificdata_key_t);
|
|
|
|
void mount_initspecific(struct mount *);
|
|
|
|
void mount_finispecific(struct mount *);
|
|
|
|
void * mount_getspecific(struct mount *, specificdata_key_t);
|
|
|
|
void mount_setspecific(struct mount *, specificdata_key_t, void *);
|
|
|
|
|
|
|
|
int usermount_common_policy(struct mount *, u_long);
|
2013-12-06 12:04:52 +01:00
|
|
|
void mountlist_append(struct mount *);
|
2012-01-25 13:29:07 +01:00
|
|
|
|
|
|
|
LIST_HEAD(vfs_list_head, vfsops);
|
|
|
|
extern struct vfs_list_head vfs_list;
|
|
|
|
|
|
|
|
#else /* _KERNEL */
|
|
|
|
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
|
|
|
|
__BEGIN_DECLS
|
|
|
|
#if !defined(__LIBC12_SOURCE__) && !defined(_STANDALONE)
|
|
|
|
int getfh(const char *, void *, size_t *)
|
|
|
|
__RENAME(__getfh30);
|
|
|
|
#endif
|
|
|
|
|
2013-12-06 12:04:52 +01:00
|
|
|
#if !defined(__minix)
|
2012-01-25 13:29:07 +01:00
|
|
|
int unmount(const char *, int);
|
2013-12-06 12:04:52 +01:00
|
|
|
#else
|
2014-03-17 14:01:22 +01:00
|
|
|
int minix_umount(const char *_name, int srvflags);
|
2013-12-06 12:04:52 +01:00
|
|
|
#endif /* !defined(__minix) */
|
2013-12-10 21:21:49 +01:00
|
|
|
|
2012-01-25 13:29:07 +01:00
|
|
|
#if defined(_NETBSD_SOURCE)
|
|
|
|
#ifndef __LIBC12_SOURCE__
|
2013-12-06 12:04:52 +01:00
|
|
|
#if !defined(__minix)
|
2012-01-25 13:29:07 +01:00
|
|
|
int mount(const char *, const char *, int, void *, size_t) __RENAME(__mount50);
|
2013-12-06 12:04:52 +01:00
|
|
|
#else
|
2014-03-17 14:01:22 +01:00
|
|
|
int minix_mount(char *_spec, char *_name, int _mountflags, int srvflags, char *type,
|
2013-12-06 12:04:52 +01:00
|
|
|
char *args);
|
|
|
|
#endif /* !defined(__minix) */
|
2012-01-25 13:29:07 +01:00
|
|
|
int fhopen(const void *, size_t, int) __RENAME(__fhopen40);
|
|
|
|
int fhstat(const void *, size_t, struct stat *) __RENAME(__fhstat50);
|
|
|
|
#endif
|
|
|
|
#endif /* _NETBSD_SOURCE */
|
|
|
|
__END_DECLS
|
|
|
|
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_STANDALONE */
|
2013-04-06 18:45:48 +02:00
|
|
|
|
|
|
|
#if defined(__minix) && !defined(_STANDALONE)
|
2013-12-06 12:04:52 +01:00
|
|
|
/* Service flags. These are not passed to VFS. */
|
|
|
|
#define MS_REUSE 0x001 /* Tell RS to try reusing binary from memory */
|
|
|
|
#define MS_EXISTING 0x002 /* Tell mount to use already running server */
|
|
|
|
|
|
|
|
#define MNT_LABEL_LEN 16 /* Length of fs label including nul */
|
|
|
|
|
|
|
|
/* Legacy definitions. */
|
|
|
|
#define MNTNAMELEN 16 /* Length of fs type name including nul */
|
|
|
|
#define MNTFLAGLEN 64 /* Length of flags string including nul */
|
2013-04-06 18:45:48 +02:00
|
|
|
#endif /* defined(__minix) && !defined(_STANDALONE) */
|
2012-01-25 13:29:07 +01:00
|
|
|
|
|
|
|
#endif /* !_SYS_MOUNT_H_ */
|