add new useful constants

SCCS-vsn: sys/ufs/ffs/fs.h 4.6

diff --git a/usr/src/sys/ufs/ffs/fs.h b/usr/src/sys/ufs/ffs/fs.h
index 1cd44ea..e734816 100644 (file)
--- a/usr/src/sys/ufs/ffs/fs.h
+++ b/usr/src/sys/ufs/ffs/fs.h
@@ -187,7 +187,15 @@ struct     fs
        long    fs_fshift;              /* ``numfrags'' calc number of frags */
        long    fs_maxcontig;           /* max number of contiguous blks */
        long    fs_maxbpg;              /* max number of blks per cyl group */
        long    fs_fshift;              /* ``numfrags'' calc number of frags */
        long    fs_maxcontig;           /* max number of contiguous blks */
        long    fs_maxbpg;              /* max number of blks per cyl group */

-       long    fs_sparecon[14];        /* reserved for future constants */
+       long    fs_fragshift;           /* block to frag shift */
+       long    fs_fsbtodb;             /* fsbtodb and dbtofsb shift constant */
+       long    fs_sbsize;              /* actual size of super block */
+       long    fs_csmask;              /* csum block offset */
+       long    fs_csshift;             /* csum block number */
+       long    fs_nindir;              /* value of NINDIR */
+       long    fs_inopb;               /* value of INOPB */
+       long    fs_nspf;                /* value of NSPF */
+       long    fs_sparecon[6];         /* reserved for future constants */

 /* sizes determined by number of cylinder groups and their sizes */
        daddr_t fs_csaddr;              /* blk addr of cyl grp summary area */
        long    fs_cssize;              /* size of cyl grp summary area */
 /* sizes determined by number of cylinder groups and their sizes */
        daddr_t fs_csaddr;              /* blk addr of cyl grp summary area */
        long    fs_cssize;              /* size of cyl grp summary area */