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The cylinder group tag cg_initediblk needs to match the number of inodes

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actually initialized. In the growfs case for UFS2, no inodes were actually
being initialized and the number of inodes noted as initialized was the
number of inodes per group. This created a filesystem that was deemed
corrupted because the inodes thus added were full of garbage.

MFC after:	1 month
This commit is contained in:
Matt Jacob 2009-10-05 01:31:16 +00:00
parent f8b51ca5e9
commit 4bdcc9c7d7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=197763
1 changed files with 8 additions and 2 deletions
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10
sbin/growfs/growfs.c
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@ -397,11 +397,17 @@ initcg(int cylno, time_t utime, int fso, unsigned int Nflag)
dupper += howmany(sblock.fs_cssize, sblock.fs_fsize);
cs = &fscs[cylno];
memset(&acg, 0, sblock.fs_cgsize);
/*
* Note that we do not set cg_initediblk at all.
* In this extension of a previous filesystem
* we have no inodes initialized for the cylinder
* group at all. The first access to that cylinder
* group will do the correct initialization.
*/
acg.cg_time = utime;
acg.cg_magic = CG_MAGIC;
acg.cg_cgx = cylno;
acg.cg_niblk = sblock.fs_ipg;
acg.cg_initediblk = sblock.fs_ipg;
acg.cg_ndblk = dmax - cbase;
if (sblock.fs_contigsumsize > 0)
acg.cg_nclusterblks = acg.cg_ndblk / sblock.fs_frag;
@ -414,7 +420,6 @@ initcg(int cylno, time_t utime, int fso, unsigned int Nflag)
acg.cg_time = 0;
acg.cg_old_niblk = acg.cg_niblk;
acg.cg_niblk = 0;
acg.cg_initediblk = 0;
acg.cg_old_btotoff = start;
acg.cg_old_boff = acg.cg_old_btotoff +
sblock.fs_old_cpg * sizeof(int32_t);
@ -2217,6 +2222,7 @@ main(int argc, char **argv)
printf("Warning: %jd sector(s) cannot be allocated.\n",
(intmax_t)fsbtodb(&sblock, sblock.fs_size % sblock.fs_fpg));
sblock.fs_size = sblock.fs_ncg * sblock.fs_fpg;
maxino -= sblock.fs_ipg;
}
/*