FreeBSD/Linux Kernel Cross Reference
sys/sys/statvfs.h

     /*      $NetBSD: statvfs.h,v 1.15 2008/07/31 05:38:06 simonb Exp $       */
     
     /*-
      * Copyright (c) 2004 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Christos Zoulas.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #ifndef _SYS_STATVFS_H_
    #define _SYS_STATVFS_H_
    
    #include <sys/cdefs.h>
    #include <sys/featuretest.h>
    #include <sys/stdint.h>
    #include <machine/ansi.h>
    #include <sys/ansi.h>
    #include <sys/fstypes.h>
    
    #define _VFS_NAMELEN    32
    #define _VFS_MNAMELEN   1024
    
    #ifndef fsblkcnt_t
    typedef __fsblkcnt_t    fsblkcnt_t;     /* fs block count (statvfs) */
    #define fsblkcnt_t      __fsblkcnt_t
    #endif
    
    #ifndef fsfilcnt_t
    typedef __fsfilcnt_t    fsfilcnt_t;     /* fs file count */
    #define fsfilcnt_t      __fsfilcnt_t
    #endif
    
    #ifndef uid_t
    typedef __uid_t         uid_t;          /* user id */
    #define uid_t           __uid_t
    #endif
    
    #ifdef  _BSD_SIZE_T_
    typedef _BSD_SIZE_T_            size_t;
    #define _SIZE_T
    #undef  _BSD_SIZE_T_
    #endif
    
    struct statvfs {
            unsigned long   f_flag;         /* copy of mount exported flags */
            unsigned long   f_bsize;        /* file system block size */
            unsigned long   f_frsize;       /* fundamental file system block size */
            unsigned long   f_iosize;       /* optimal file system block size */
    
            fsblkcnt_t      f_blocks;       /* number of blocks in file system, */
                                            /*   (in units of f_frsize) */
            fsblkcnt_t      f_bfree;        /* free blocks avail in file system */
            fsblkcnt_t      f_bavail;       /* free blocks avail to non-root */
            fsblkcnt_t      f_bresvd;       /* blocks reserved for root */
    
            fsfilcnt_t      f_files;        /* total file nodes in file system */
            fsfilcnt_t      f_ffree;        /* free file nodes in file system */
            fsfilcnt_t      f_favail;       /* free file nodes avail to non-root */
            fsfilcnt_t      f_fresvd;       /* file nodes reserved for root */
    
            uint64_t        f_syncreads;    /* count of sync reads since mount */
            uint64_t        f_syncwrites;   /* count of sync writes since mount */
    
            uint64_t        f_asyncreads;   /* count of async reads since mount */
            uint64_t        f_asyncwrites;  /* count of async writes since mount */
    
            fsid_t          f_fsidx;        /* NetBSD compatible fsid */
            unsigned long   f_fsid;         /* Posix compatible fsid */
            unsigned long   f_namemax;      /* maximum filename length */
            uid_t           f_owner;        /* user that mounted the file system */
    
            uint32_t        f_spare[4];     /* spare space */
    
            char    f_fstypename[_VFS_NAMELEN]; /* fs type name */
            char    f_mntonname[_VFS_MNAMELEN];  /* directory on which mounted */
            char    f_mntfromname[_VFS_MNAMELEN];  /* mounted file system */
    
   };
   
   #if defined(_NETBSD_SOURCE) && !defined(_POSIX_SOURCE) && \
       !defined(_XOPEN_SOURCE)
   #define VFS_NAMELEN     _VFS_NAMELEN
   #define VFS_MNAMELEN    _VFS_MNAMELEN
   #endif
   
   #define ST_RDONLY       MNT_RDONLY
   #define ST_SYNCHRONOUS  MNT_SYNCHRONOUS
   #define ST_NOEXEC       MNT_NOEXEC
   #define ST_NOSUID       MNT_NOSUID
   #define ST_NODEV        MNT_NODEV
   #define ST_UNION        MNT_UNION
   #define ST_ASYNC        MNT_ASYNC
   #define ST_NOCOREDUMP   MNT_NOCOREDUMP
   #define ST_IGNORE       MNT_IGNORE
   #define ST_NOATIME      MNT_NOATIME
   #define ST_SYMPERM      MNT_SYMPERM
   #define ST_NODEVMTIME   MNT_NODEVMTIME
   #define ST_SOFTDEP      MNT_SOFTDEP
   #define ST_LOG          MNT_LOG
   
   #define ST_EXRDONLY     MNT_EXRDONLY
   #define ST_EXPORTED     MNT_EXPORTED
   #define ST_DEFEXPORTED  MNT_DEFEXPORTED
   #define ST_EXPORTANON   MNT_EXPORTANON
   #define ST_EXKERB       MNT_EXKERB
   #define ST_EXNORESPORT  MNT_EXNORESPORT
   #define ST_EXPUBLIC     MNT_EXPUBLIC
   
   #define ST_LOCAL        MNT_LOCAL
   #define ST_QUOTA        MNT_QUOTA
   #define ST_ROOTFS       MNT_ROOTFS
   
   
   #define ST_WAIT         MNT_WAIT
   #define ST_NOWAIT       MNT_NOWAIT
   
   #if defined(_KERNEL) || defined(_STANDALONE)
   struct mount;
   struct lwp;
   
   int     set_statvfs_info(const char *, int, const char *, int,
       const char *, struct mount *, struct lwp *);
   void    copy_statvfs_info(struct statvfs *, const struct mount *);
   int     dostatvfs(struct mount *, struct statvfs *, struct lwp *, int, int);
   #else
   __BEGIN_DECLS
   int     statvfs(const char *__restrict, struct statvfs *__restrict);
   int     fstatvfs(int, struct statvfs *);
   int     getvfsstat(struct statvfs *, size_t, int);
   #ifndef __LIBC12_SOURCE__
   int     getmntinfo(struct statvfs **, int) __RENAME(__getmntinfo13);
   #endif /* __LIBC12_SOURCE__ */
   #if defined(_NETBSD_SOURCE)
   #ifndef __LIBC12_SOURCE__
   int     fhstatvfs(const void *, size_t, struct statvfs *) 
       __RENAME(__fhstatvfs40);
   #endif
   
   int     statvfs1(const char *__restrict, struct statvfs *__restrict, int);
   int     fstatvfs1(int, struct statvfs *, int);
   #ifndef __LIBC12_SOURCE__
   int     fhstatvfs1(const void *, size_t, struct statvfs *, int)
       __RENAME(__fhstatvfs140);
   #endif
   #endif /* _NETBSD_SOURCE */
   __END_DECLS
   #endif /* _KERNEL || _STANDALONE */
   
   #if defined(_KERNEL)
   #include <sys/kmem.h>
   #define STATVFSBUF_GET()        kmem_alloc(sizeof(struct statvfs), KM_SLEEP)
   #define STATVFSBUF_PUT(sb)      kmem_free(sb, sizeof(struct statvfs))
   #endif /* defined(_KERNEL) */
   
   #endif /* !_SYS_STATVFS_H_ */

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