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gfs2: improve debug information when lvb mismatches are found

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Before this patch, gfs2_rgrp_bh_get would check for lvb mismatches,
but it wouldn't tell you what was actually wrong. This patch adds
more information to help us debug it. It also makes rgrp consistency
checks dump any bad rgrps, and the rgrp dump code dump any lvbs
as well as the rgrp itself.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Bob Peterson 2018-08-15 12:09:49 -05:00
parent 050cdc6c95
commit 72244b6bc7
2 changed files with 39 additions and 5 deletions
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3
fs/gfs2/util.c
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@ -19,6 +19,7 @@
#include "gfs2.h"
#include "incore.h"
#include "glock.h"
#include "rgrp.h"
#include "util.h"
struct kmem_cache *gfs2_glock_cachep __read_mostly;
@ -181,6 +182,8 @@ int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide,
{
struct gfs2_sbd *sdp = rgd->rd_sbd;
int rv;
gfs2_rgrp_dump(NULL, rgd->rd_gl);
rv = gfs2_lm_withdraw(sdp,
"fatal: filesystem consistency error\n"
" RG = %llu\n"