From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Wed, 26 Aug 2020 17:48:50 +0000 (-0700)
Subject: xfs: support inode btree blockcounts in online repair
X-Git-Tag: howlett/maple_spf/20210104~829^2~21
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=11f744234f052922db4ed77dad35862b3d3164cf;p=users%2Fjedix%2Flinux-maple.git

xfs: support inode btree blockcounts in online repair

Add the necessary bits to the online repair code to support logging the
inode btree counters when rebuilding the btrees, and to support fixing
the counters when rebuilding the AGI.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---

diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index 28b179d96812c..cc919a2ee870f 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -501,19 +501,29 @@ xfs_inobt_commit_staged_btree(
 {
 	struct xfs_agi		*agi = agbp->b_addr;
 	struct xbtree_afakeroot	*afake = cur->bc_ag.afake;
+	int			fields;
 
 	ASSERT(cur->bc_flags & XFS_BTREE_STAGING);
 
 	if (cur->bc_btnum == XFS_BTNUM_INO) {
+		fields = XFS_AGI_ROOT | XFS_AGI_LEVEL;
 		agi->agi_root = cpu_to_be32(afake->af_root);
 		agi->agi_level = cpu_to_be32(afake->af_levels);
-		xfs_ialloc_log_agi(tp, agbp, XFS_AGI_ROOT | XFS_AGI_LEVEL);
+		if (xfs_sb_version_hasinobtcounts(&cur->bc_mp->m_sb)) {
+			agi->agi_iblocks = cpu_to_be32(afake->af_blocks);
+			fields |= XFS_AGI_IBLOCKS;
+		}
+		xfs_ialloc_log_agi(tp, agbp, fields);
 		xfs_btree_commit_afakeroot(cur, tp, agbp, &xfs_inobt_ops);
 	} else {
+		fields = XFS_AGI_FREE_ROOT | XFS_AGI_FREE_LEVEL;
 		agi->agi_free_root = cpu_to_be32(afake->af_root);
 		agi->agi_free_level = cpu_to_be32(afake->af_levels);
-		xfs_ialloc_log_agi(tp, agbp, XFS_AGI_FREE_ROOT |
-					     XFS_AGI_FREE_LEVEL);
+		if (xfs_sb_version_hasinobtcounts(&cur->bc_mp->m_sb)) {
+			agi->agi_fblocks = cpu_to_be32(afake->af_blocks);
+			fields |= XFS_AGI_IBLOCKS;
+		}
+		xfs_ialloc_log_agi(tp, agbp, fields);
 		xfs_btree_commit_afakeroot(cur, tp, agbp, &xfs_finobt_ops);
 	}
 }
diff --git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c
index bca2ab1d4be9c..401f71579ce6d 100644
--- a/fs/xfs/scrub/agheader_repair.c
+++ b/fs/xfs/scrub/agheader_repair.c
@@ -810,10 +810,34 @@ xrep_agi_calc_from_btrees(
 	error = xfs_ialloc_count_inodes(cur, &count, &freecount);
 	if (error)
 		goto err;
+	if (xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
+		xfs_agblock_t	blocks;
+
+		error = xfs_btree_count_blocks(cur, &blocks);
+		if (error)
+			goto err;
+		agi->agi_iblocks = cpu_to_be32(blocks);
+	}
 	xfs_btree_del_cursor(cur, error);
 
 	agi->agi_count = cpu_to_be32(count);
 	agi->agi_freecount = cpu_to_be32(freecount);
+
+	if (xfs_sb_version_hasfinobt(&mp->m_sb) &&
+	    xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
+		xfs_agblock_t	blocks;
+
+		cur = xfs_inobt_init_cursor(mp, sc->tp, agi_bp, sc->sa.agno,
+				XFS_BTNUM_FINO);
+		if (error)
+			goto err;
+		error = xfs_btree_count_blocks(cur, &blocks);
+		if (error)
+			goto err;
+		xfs_btree_del_cursor(cur, error);
+		agi->agi_fblocks = cpu_to_be32(blocks);
+	}
+
 	return 0;
 err:
 	xfs_btree_del_cursor(cur, error);