Commit 1dbbff02 authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: support inode btree blockcounts in online scrub 



Add the necessary bits to the online scrub code to check the inode btree
counters when enabled.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarBrian Foster <bfoster@redhat.com>
parent 1ac35f06

fs/xfs/scrub/agheader.c

+30 −0
Original line number Diff line number Diff line
@@ -781,6 +781,35 @@ xchk_agi_xref_icounts( 
		xchk_block_xref_set_corrupt(sc, sc->sa.agi_bp);

}



/* Check agi_[fi]blocks against tree size */

static inline void

xchk_agi_xref_fiblocks(

	struct xfs_scrub	*sc)

{

	struct xfs_agi		*agi = sc->sa.agi_bp->b_addr;

	xfs_agblock_t		blocks;

	int			error = 0;



	if (!xfs_sb_version_hasinobtcounts(&sc->mp->m_sb))

		return;



	if (sc->sa.ino_cur) {

		error = xfs_btree_count_blocks(sc->sa.ino_cur, &blocks);

		if (!xchk_should_check_xref(sc, &error, &sc->sa.ino_cur))

			return;

		if (blocks != be32_to_cpu(agi->agi_iblocks))

			xchk_block_xref_set_corrupt(sc, sc->sa.agi_bp);

	}



	if (sc->sa.fino_cur) {

		error = xfs_btree_count_blocks(sc->sa.fino_cur, &blocks);

		if (!xchk_should_check_xref(sc, &error, &sc->sa.fino_cur))

			return;

		if (blocks != be32_to_cpu(agi->agi_fblocks))

			xchk_block_xref_set_corrupt(sc, sc->sa.agi_bp);

	}

}



/* Cross-reference with the other btrees. */

STATIC void

xchk_agi_xref(
@@ -804,6 +833,7 @@ xchk_agi_xref( 
	xchk_agi_xref_icounts(sc);

	xchk_xref_is_owned_by(sc, agbno, 1, &XFS_RMAP_OINFO_FS);

	xchk_xref_is_not_shared(sc, agbno, 1);

	xchk_agi_xref_fiblocks(sc);



	/* scrub teardown will take care of sc->sa for us */

}