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Annotation of 43BSDReno/sys/ufs/ufsmount.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution is only permitted until one year after the first shipment
                      6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
                      7:  * binary forms are permitted provided that: (1) source distributions retain
                      8:  * this entire copyright notice and comment, and (2) distributions including
                      9:  * binaries display the following acknowledgement:  This product includes
                     10:  * software developed by the University of California, Berkeley and its
                     11:  * contributors'' in the documentation or other materials provided with the
                     12:  * distribution and in all advertising materials mentioning features or use
                     13:  * of this software.  Neither the name of the University nor the names of
                     14:  * its contributors may be used to endorse or promote products derived from
                     15:  * this software without specific prior written permission.
                     16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     19:  *
                     20:  *     @(#)ufsmount.h  7.7 (Berkeley) 6/28/90
                     21:  */
                     22: 
                     23: /*
                     24:  * Mount structure.
                     25:  * One allocated on every mount.
                     26:  * Used to find the super block.
                     27:  */
                     28: struct ufsmount {
                     29:        struct  mount *um_mountp;       /* vfs structure for this filesystem */
                     30:        dev_t   um_dev;                 /* device mounted */
                     31:        struct  vnode *um_devvp;        /* vnode for block device mounted */
                     32:        struct  fs *um_fs;              /* pointer to superblock */
                     33:        struct  vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */
                     34:        struct  ucred *um_cred[MAXQUOTAS]; /* cred for access to quota file */
                     35:        time_t  um_btime[MAXQUOTAS];    /* block quota time limit */
                     36:        time_t  um_itime[MAXQUOTAS];    /* inode quota time limit */
                     37:        char    um_qflags[MAXQUOTAS];   /* quota specific flags, see below */
                     38: };
                     39: /*
                     40:  * Flags describing the state of quotas.
                     41:  */
                     42: #define        QTF_OPENING     0x01            /* Q_QUOTAON in progress */
                     43: #define        QTF_CLOSING     0x02            /* Q_QUOTAOFF in progress */
                     44: 
                     45: #ifdef KERNEL
                     46: /*
                     47:  * Convert mount ptr to ufsmount ptr.
                     48:  */
                     49: #define VFSTOUFS(mp)   ((struct ufsmount *)((mp)->mnt_data))
                     50: #endif /* KERNEL */

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