From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Make sure that both inode btree block counters in the AGI are correct.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
v2: fix backwards complaint message, consolidate switch statements
---
repair/scan.c | 29 ++++++++++++++++++++++++++---
1 file changed, 26 insertions(+), 3 deletions(-)
diff --git a/repair/scan.c b/repair/scan.c
index 2a38ae5197c6..44e794a0ac5a 100644
--- a/repair/scan.c
+++ b/repair/scan.c
@@ -1948,6 +1948,12 @@ _("invalid inode count, inode chunk %d/%u, count %d ninodes %d\n"),
return suspect;
}
+struct ino_priv {
+ struct aghdr_cnts *agcnts;
+ uint32_t ino_blocks;
+ uint32_t fino_blocks;
+};
+
/*
* this one walks the inode btrees sucking the info there into
* the incore avl tree. We try and rescue corrupted btree records
@@ -1976,7 +1982,8 @@ scan_inobt(
void *priv,
const struct xfs_buf_ops *ops)
{
- struct aghdr_cnts *agcnts = priv;
+ struct ino_priv *ipriv = priv;
+ struct aghdr_cnts *agcnts = ipriv->agcnts;
char *name;
xfs_agino_t lastino = 0;
int i;
@@ -1994,10 +2001,12 @@ scan_inobt(
case XFS_FIBT_MAGIC:
case XFS_FIBT_CRC_MAGIC:
name = "fino";
+ ipriv->fino_blocks++;
break;
case XFS_IBT_MAGIC:
case XFS_IBT_CRC_MAGIC:
name = "ino";
+ ipriv->ino_blocks++;
break;
default:
name = "(unknown)";
@@ -2363,6 +2372,9 @@ validate_agi(
xfs_agnumber_t agno,
struct aghdr_cnts *agcnts)
{
+ struct ino_priv priv = {
+ .agcnts = agcnts,
+ };
xfs_agblock_t bno;
int i;
uint32_t magic;
@@ -2372,7 +2384,7 @@ validate_agi(
magic = xfs_sb_version_hascrc(&mp->m_sb) ? XFS_IBT_CRC_MAGIC
: XFS_IBT_MAGIC;
scan_sbtree(bno, be32_to_cpu(agi->agi_level),
- agno, 0, scan_inobt, 1, magic, agcnts,
+ agno, 0, scan_inobt, 1, magic, &priv,
&xfs_inobt_buf_ops);
} else {
do_warn(_("bad agbno %u for inobt root, agno %d\n"),
@@ -2385,7 +2397,7 @@ validate_agi(
magic = xfs_sb_version_hascrc(&mp->m_sb) ?
XFS_FIBT_CRC_MAGIC : XFS_FIBT_MAGIC;
scan_sbtree(bno, be32_to_cpu(agi->agi_free_level),
- agno, 0, scan_inobt, 1, magic, agcnts,
+ agno, 0, scan_inobt, 1, magic, &priv,
&xfs_finobt_buf_ops);
} else {
do_warn(_("bad agbno %u for finobt root, agno %d\n"),
@@ -2393,6 +2405,17 @@ validate_agi(
}
}
+ if (xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
+ if (be32_to_cpu(agi->agi_iblocks) != priv.ino_blocks)
+ do_warn(_("bad inobt block count %u, saw %u\n"),
+ be32_to_cpu(agi->agi_iblocks),
+ priv.ino_blocks);
+ if (be32_to_cpu(agi->agi_fblocks) != priv.fino_blocks)
+ do_warn(_("bad finobt block count %u, saw %u\n"),
+ be32_to_cpu(agi->agi_fblocks),
+ priv.fino_blocks);
+ }
+
if (be32_to_cpu(agi->agi_count) != agcnts->agicount) {
do_warn(_("agi_count %u, counted %u in ag %u\n"),
be32_to_cpu(agi->agi_count), agcnts->agicount, agno);
