diff options
| author | Michael I. Bushnell <mib@gnu.org> | 1994-07-19 01:02:20 +0000 |
|---|---|---|
| committer | Michael I. Bushnell <mib@gnu.org> | 1994-07-19 01:02:20 +0000 |
| commit | 6226bbea061d05fbab58974064857011d4921e2d (patch) | |
| tree | ad8d5c3a686b2b7de8cdace10a1568fb5d65d1e6 | |
| parent | 64ca6e40b87673e6083f32b2cffbbaa08421501d (diff) | |
Formerly hyper.c.~8~
| -rw-r--r-- | ufs/hyper.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/ufs/hyper.c b/ufs/hyper.c index a1a19706..b39848ee 100644 --- a/ufs/hyper.c +++ b/ufs/hyper.c @@ -21,6 +21,8 @@ #include <string.h> #include <stdio.h> +static int oldformat = 0; + void get_hypermetadata (void) { @@ -48,7 +50,7 @@ get_hypermetadata (void) exit (1); } - if (sblock->fs_maxsymlinklen > MAXSYMLINKLEN) + if (sblock->fs_maxsymlinklen > (long)MAXSYMLINKLEN) { fprintf (stderr, "Max shortcut symlinklen %ld is too big (max is %ld)\n", sblock->fs_maxsymlinklen, MAXSYMLINKLEN); @@ -58,13 +60,32 @@ get_hypermetadata (void) /* If this is an old filesystem, then we have some more work to do; some crucial constants might not be set; we are therefore forced to set them here. */ + if (sblock->fs_npsect < sblock->fs_nsect) sblock->fs_npsect = sblock->fs_nsect; + if (sblock->fs_interleave < 1) sblock->fs_interleave = 1; + if (sblock->fs_postblformat == FS_42POSTBLFMT) sblock->fs_nrpos = 8; + if (sblock->fs_inodefmt < FS_44INODEFMT) + { + quad_t sizepb = sblock->fs_bsize; + int i; + + oldformat = 1; + sblock->fs_maxfilesize = sblock->fs_bsize * NDADDR - 1; + for (i = 0; i < NIADDR; i++) + { + sizepb *= NINDIR (sblock); + sblock->fs_maxfilesize += sizepb; + } + sblock->fs_qbmask = ~sblock->fs_bmask; + sblock->fs_qfmask = ~sblock->fs_fmask; + } + /* Find out if we support the 4.4 symlink/dirtype extension */ if (sblock->fs_maxsymlinklen > 0) direct_symlink_extension = 1; @@ -104,11 +125,20 @@ diskfs_set_hypermetadata (int wait, int clean) if (sblock_dirty) { - if (sblock->fs_postblformat == FS_42POSTBLFMT) + if (sblock->fs_postblformat == FS_42POSTBLFMT + || oldformat) { char sblockcopy[SBSIZE]; + struct fs *sbcopy = (struct fs *)sblockcopy; bcopy (sblock, sblockcopy, SBSIZE); - ((struct fs *)sblockcopy)->fs_nrpos = -1; + if (sblock->fs_postblformat == FS_42POSTBLFMT) + sbcopy->fs_nrpos = -1; + if (oldformat) + { + sbcopy->fs_maxfilesize = -1; + sbcopy->fs_qbmask = -1; + sbcopy->fs_qfmask = -1; + } (*writefn) (SBLOCK, (vm_address_t) sblockcopy, SBSIZE); } else |