diff options
| -rw-r--r-- | sbin/fsck_ffs/setup.c | 86 |
1 files changed, 25 insertions, 61 deletions
diff --git a/sbin/fsck_ffs/setup.c b/sbin/fsck_ffs/setup.c index 529945a..84fe0e5 100644 --- a/sbin/fsck_ffs/setup.c +++ b/sbin/fsck_ffs/setup.c @@ -376,9 +376,6 @@ readsb(int listerr) { badsb(listerr, "NCG OUT OF RANGE"); return (0); } if (sblock.fs_cpg < 1) { badsb(listerr, "CPG OUT OF RANGE"); return (0); } - if (sblock.fs_ncg * sblock.fs_cpg < sblock.fs_ncyl || - (sblock.fs_ncg - 1) * sblock.fs_cpg >= sblock.fs_ncyl) - { badsb(listerr, "NCYL LESS THAN NCG*CPG"); return (0); } if (sblock.fs_sbsize > SBSIZE) { badsb(listerr, "SIZE PREPOSTEROUSLY LARGE"); return (0); } /* @@ -394,69 +391,36 @@ readsb(int listerr) return (1); } /* - * Set all possible fields that could differ, then do check - * of whole super block against an alternate super block. + * Compare all fields that should not differ in alternate super block. * When an alternate super-block is specified this check is skipped. */ getblk(&asblk, cgsblock(&sblock, sblock.fs_ncg - 1), sblock.fs_sbsize); if (asblk.b_errs) return (0); - altsblock.fs_firstfield = sblock.fs_firstfield; - altsblock.fs_unused_1 = sblock.fs_unused_1; - altsblock.fs_time = sblock.fs_time; - altsblock.fs_cstotal = sblock.fs_cstotal; - altsblock.fs_cgrotor = sblock.fs_cgrotor; - altsblock.fs_fmod = sblock.fs_fmod; - altsblock.fs_clean = sblock.fs_clean; - altsblock.fs_ronly = sblock.fs_ronly; - altsblock.fs_flags = sblock.fs_flags; - altsblock.fs_maxcontig = sblock.fs_maxcontig; - altsblock.fs_minfree = sblock.fs_minfree; - altsblock.fs_optim = sblock.fs_optim; - altsblock.fs_rotdelay = sblock.fs_rotdelay; - altsblock.fs_maxbpg = sblock.fs_maxbpg; - memmove(altsblock.fs_ocsp, sblock.fs_ocsp, sizeof sblock.fs_ocsp); - altsblock.fs_csp = sblock.fs_csp; - altsblock.fs_maxcluster = sblock.fs_maxcluster; - altsblock.fs_contigdirs = sblock.fs_contigdirs; - altsblock.fs_active = sblock.fs_active; - altsblock.fs_avgfilesize = sblock.fs_avgfilesize; - altsblock.fs_avgfpdir = sblock.fs_avgfpdir; - altsblock.fs_pendingblocks = sblock.fs_pendingblocks; - altsblock.fs_pendinginodes = sblock.fs_pendinginodes; - memmove(altsblock.fs_fsmnt, sblock.fs_fsmnt, sizeof sblock.fs_fsmnt); - memmove(altsblock.fs_snapinum, sblock.fs_snapinum, - sizeof sblock.fs_snapinum); - memmove(altsblock.fs_sparecon, - sblock.fs_sparecon, sizeof sblock.fs_sparecon); - /* - * The following should not have to be copied. - */ - altsblock.fs_fsbtodb = sblock.fs_fsbtodb; - altsblock.fs_interleave = sblock.fs_interleave; - altsblock.fs_npsect = sblock.fs_npsect; - altsblock.fs_nrpos = sblock.fs_nrpos; - altsblock.fs_state = sblock.fs_state; - altsblock.fs_qbmask = sblock.fs_qbmask; - altsblock.fs_qfmask = sblock.fs_qfmask; - altsblock.fs_state = sblock.fs_state; - altsblock.fs_maxfilesize = sblock.fs_maxfilesize; - if (memcmp(&sblock, &altsblock, (int)sblock.fs_sbsize)) { - if (debug) { - long *nlp, *olp, *endlp; - - printf("superblock mismatches\n"); - nlp = (long *)&altsblock; - olp = (long *)&sblock; - endlp = olp + (sblock.fs_sbsize / sizeof *olp); - for ( ; olp < endlp; olp++, nlp++) { - if (*olp == *nlp) - continue; - printf( - "offset %d, original %ld, alternate %ld\n", - olp - (long *)&sblock, *olp, *nlp); - } - } + if (altsblock.fs_sblkno != sblock.fs_sblkno || + altsblock.fs_cblkno != sblock.fs_cblkno || + altsblock.fs_iblkno != sblock.fs_iblkno || + altsblock.fs_dblkno != sblock.fs_dblkno || + altsblock.fs_cgoffset != sblock.fs_cgoffset || + altsblock.fs_cgmask != sblock.fs_cgmask || + altsblock.fs_ncg != sblock.fs_ncg || + altsblock.fs_bsize != sblock.fs_bsize || + altsblock.fs_fsize != sblock.fs_fsize || + altsblock.fs_frag != sblock.fs_frag || + altsblock.fs_bmask != sblock.fs_bmask || + altsblock.fs_fmask != sblock.fs_fmask || + altsblock.fs_bshift != sblock.fs_bshift || + altsblock.fs_fshift != sblock.fs_fshift || + altsblock.fs_fragshift != sblock.fs_fragshift || + altsblock.fs_fsbtodb != sblock.fs_fsbtodb || + altsblock.fs_sbsize != sblock.fs_sbsize || + altsblock.fs_nindir != sblock.fs_nindir || + altsblock.fs_inopb != sblock.fs_inopb || + altsblock.fs_cssize != sblock.fs_cssize || + altsblock.fs_cpg != sblock.fs_cpg || + altsblock.fs_ipg != sblock.fs_ipg || + altsblock.fs_fpg != sblock.fs_fpg || + altsblock.fs_magic != sblock.fs_magic) { badsb(listerr, "VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE"); return (0); |
