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Report CG checksum mismatches. These errors are non-fatal. The

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previous behavior is preserved (the CG checksum is fixed). We're just
noisy about it now.

Reviewed by: kirk@
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D13884
This commit is contained in:
imp 2018-01-14 16:55:14 +00:00
parent 48fbddaae8
commit 0c2094e599
1 changed files with 12 additions and 1 deletions
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13
sbin/fsck_ffs/pass5.c
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@ -63,7 +63,7 @@ pass5(void)
int inomapsize, blkmapsize;
struct fs *fs = &sblock;
ufs2_daddr_t d, dbase, dmax, start;
int rewritecg = 0;
int rewritecg = 0, cgckadd = 0;
struct csum *cs;
struct csum_total cstotal;
struct inodesc idesc[3];
@ -80,6 +80,7 @@ pass5(void)
reply("ADD CYLINDER GROUP CHECKSUM PROTECTION") != 0) {
fs->fs_metackhash |= CK_CYLGRP;
rewritecg = 1;
cgckadd = 1;
sbdirty();
}
if (cvtlevel >= 3) {
@ -177,6 +178,16 @@ pass5(void)
cg = cgbp->b_un.b_cg;
if (!cg_chkmagic(cg))
pfatal("CG %d: BAD MAGIC NUMBER\n", c);
if ((fs->fs_metackhash & CK_CYLGRP) != 0 && cgckadd == 0) {
uint32_t ckhash, thishash;
ckhash = cg->cg_ckhash;
cg->cg_ckhash = 0;
thishash = calculate_crc32c(~0L, cg, fs->fs_cgsize);
if (ckhash != thishash)
pwarn("CG %d: BAD CHECKSUM %#x vs %#x", c, ckhash, thishash);
cg->cg_ckhash = ckhash;
}
newcg->cg_time = cg->cg_time;
newcg->cg_old_time = cg->cg_old_time;
newcg->cg_unrefs = cg->cg_unrefs;