122 lines
4.4 KiB
C
122 lines
4.4 KiB
C
/*
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* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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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* $FreeBSD$
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*/
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#ifndef _OPENSOLARIS_SYS_VFS_H_
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#define _OPENSOLARIS_SYS_VFS_H_
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/vnode.h>
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#define rootdir rootvnode
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struct thread;
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struct vnode;
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typedef struct mount vfs_t;
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typedef int umode_t;
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#define vfs_flag mnt_flag
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#define vfs_data mnt_data
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#define vfs_count mnt_ref
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#define vfs_fsid mnt_stat.f_fsid
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#define vfs_bsize mnt_stat.f_bsize
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#define vfs_resource mnt_stat.f_mntfromname
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#define v_flag v_vflag
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#define v_vfsp v_mount
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#define VFS_RDONLY MNT_RDONLY
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#define VFS_NOSETUID MNT_NOSUID
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#define VFS_NOEXEC MNT_NOEXEC
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#define VROOT VV_ROOT
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#define XU_NGROUPS 16
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/*
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* Structure defining a mount option for a filesystem.
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* option names are found in mntent.h
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*/
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typedef struct mntopt {
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char *mo_name; /* option name */
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char **mo_cancel; /* list of options cancelled by this one */
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char *mo_arg; /* argument string for this option */
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int mo_flags; /* flags for this mount option */
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void *mo_data; /* filesystem specific data */
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} mntopt_t;
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/*
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* Flags that apply to mount options
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*/
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#define MO_SET 0x01 /* option is set */
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#define MO_NODISPLAY 0x02 /* option not listed in mnttab */
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#define MO_HASVALUE 0x04 /* option takes a value */
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#define MO_IGNORE 0x08 /* option ignored by parser */
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#define MO_DEFAULT MO_SET /* option is on by default */
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#define MO_TAG 0x10 /* flags a tag set by user program */
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#define MO_EMPTY 0x20 /* empty space in option table */
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#define VFS_NOFORCEOPT 0x01 /* honor MO_IGNORE (don't set option) */
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#define VFS_DISPLAY 0x02 /* Turn off MO_NODISPLAY bit for opt */
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#define VFS_NODISPLAY 0x04 /* Turn on MO_NODISPLAY bit for opt */
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#define VFS_CREATEOPT 0x08 /* Create the opt if it's not there */
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/*
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* Structure holding mount option strings for the mounted file system.
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*/
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typedef struct mntopts {
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uint_t mo_count; /* number of entries in table */
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mntopt_t *mo_list; /* list of mount options */
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} mntopts_t;
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void vfs_setmntopt(vfs_t *vfsp, const char *name, const char *arg,
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int flags __unused);
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void vfs_clearmntopt(vfs_t *vfsp, const char *name);
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int vfs_optionisset(const vfs_t *vfsp, const char *opt, char **argp);
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int mount_snapshot(kthread_t *td, vnode_t **vpp, const char *fstype,
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char *fspath, char *fspec, int fsflags, vfs_t *parent_vfsp);
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typedef uint64_t vfs_feature_t;
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#define VFSFT_XVATTR 0x100000001 /* Supports xvattr for attrs */
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#define VFSFT_CASEINSENSITIVE 0x100000002 /* Supports case-insensitive */
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#define VFSFT_NOCASESENSITIVE 0x100000004 /* NOT case-sensitive */
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#define VFSFT_DIRENTFLAGS 0x100000008 /* Supports dirent flags */
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#define VFSFT_ACLONCREATE 0x100000010 /* Supports ACL on create */
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#define VFSFT_ACEMASKONACCESS 0x100000020 /* Can use ACEMASK for access */
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#define VFSFT_SYSATTR_VIEWS 0x100000040 /* Supports sysattr view i/f */
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#define VFSFT_ACCESS_FILTER 0x100000080 /* dirents filtered by access */
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#define VFSFT_REPARSE 0x100000100 /* Supports reparse point */
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#define VFSFT_ZEROCOPY_SUPPORTED 0x100000200
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/* Support loaning /returning cache buffer */
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#include <sys/mount.h>
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#endif /* _OPENSOLARIS_SYS_VFS_H_ */
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