usr/src/sys/ufs/ffs/ufsmount.h

/*
 * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)ufsmount.h  7.3 (Berkeley) %G%
 */

/*
 * Mount structure.
 * One allocated on every mount.
 * Used to find the super block.
 */
struct  ufsmount {
        struct  mount *um_mountp;       /* vfs structure for this filesystem */
        dev_t   um_dev;                 /* device mounted */
        struct  vnode *um_devvp;        /* vnode for block device mounted */
        struct  fs *um_fs;              /* pointer to superblock */
        struct  inode *um_qinod;        /* QUOTA: pointer to quota file */
        char    um_mntname[MNAMELEN];   /* mounted filesystem */
};
#ifdef KERNEL
/*
 * Convert mount ptr to ufsmount ptr.
 */
#define VFSTOUFS(mp)    ((struct ufsmount *)((mp)->m_data))

/*
 * mount table
 */
extern struct ufsmount  mounttab[NMOUNT];

#endif