From: Darrick J. Wong <djwong@xxxxxxxxxx>
Drop the entire metadata directory tree during pass 4 so that we can
reinitialize the entire tree in phase 6. The existing metadata files
(rtbitmap, rtsummary, quotas) will be reattached to the newly rebuilt
directory tree.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
repair/dino_chunks.c | 9 +++++++++
repair/dinode.c | 14 +++++++++++++-
repair/phase6.c | 21 +++++++++++----------
repair/scan.c | 2 +-
4 files changed, 34 insertions(+), 12 deletions(-)
diff --git a/repair/dino_chunks.c b/repair/dino_chunks.c
index fb2bca66a47..382196cc170 100644
--- a/repair/dino_chunks.c
+++ b/repair/dino_chunks.c
@@ -952,6 +952,15 @@ process_inode_chunk(
clear_inode_isadir(ino_rec, irec_offset);
}
+ /*
+ * We always reinitialize the rt bitmap and summary inodes if
+ * the metadata directory feature is enabled.
+ */
+ if (xfs_has_metadir(mp) && !no_modify) {
+ need_rbmino = -1;
+ need_rsumino = -1;
+ }
+
if (status) {
if (mp->m_sb.sb_rootino == ino) {
need_root_inode = 1;
diff --git a/repair/dinode.c b/repair/dinode.c
index 4efc7fe6b8b..5c1f07d5bc1 100644
--- a/repair/dinode.c
+++ b/repair/dinode.c
@@ -653,7 +653,7 @@ _("illegal state %d in block map %" PRIu64 "\n"),
break;
}
}
- if (collect_rmaps) /* && !check_dups */
+ if (collect_rmaps && !zap_metadata) /* && !check_dups */
rmap_add_rec(mp, ino, whichfork, &irec);
*tot += irec.br_blockcount;
}
@@ -3077,6 +3077,18 @@ _("Bad CoW extent size %u on inode %" PRIu64 ", "),
*/
*dirty += process_check_inode_nlink_version(dino, lino);
+ /*
+ * The entire metadata directory tree will be rebuilt during phase 6.
+ * Therefore, if we're at the end of phase 4 and this is a metadata
+ * file, zero the ondisk inode and the incore state.
+ */
+ if (check_dups && zap_metadata && !no_modify) {
+ clear_dinode(mp, dino, lino);
+ *dirty += 1;
+ *used = is_free;
+ *isa_dir = 0;
+ }
+
return retval;
clear_bad_out:
diff --git a/repair/phase6.c b/repair/phase6.c
index c440c2293d1..964342c31d6 100644
--- a/repair/phase6.c
+++ b/repair/phase6.c
@@ -3638,20 +3638,20 @@ phase6(xfs_mount_t *mp)
}
}
- if (need_metadir_inode) {
- if (!no_modify) {
+ if (!no_modify && xfs_has_metadir(mp)) {
+ if (need_metadir_inode)
do_warn(_("reinitializing metadata root directory\n"));
- mk_metadir(mp);
- need_metadir_inode = false;
- need_metadir_dotdot = 0;
- } else {
- do_warn(_("would reinitialize metadata root directory\n"));
- }
+ mk_metadir(mp);
+ need_metadir_inode = false;
+ need_metadir_dotdot = 0;
+ } else if (need_metadir_inode) {
+ do_warn(_("would reinitialize metadata root directory\n"));
}
if (need_rbmino) {
if (!no_modify) {
- do_warn(_("reinitializing realtime bitmap inode\n"));
+ if (need_rbmino > 0)
+ do_warn(_("reinitializing realtime bitmap inode\n"));
mk_rbmino(mp);
need_rbmino = 0;
} else {
@@ -3661,7 +3661,8 @@ phase6(xfs_mount_t *mp)
if (need_rsumino) {
if (!no_modify) {
- do_warn(_("reinitializing realtime summary inode\n"));
+ if (need_rsumino > 0)
+ do_warn(_("reinitializing realtime summary inode\n"));
mk_rsumino(mp);
need_rsumino = 0;
} else {
diff --git a/repair/scan.c b/repair/scan.c
index ef78b4cce50..1f5db1c11ca 100644
--- a/repair/scan.c
+++ b/repair/scan.c
@@ -427,7 +427,7 @@ _("bad state %d, inode %" PRIu64 " bmap block 0x%" PRIx64 "\n"),
numrecs = be16_to_cpu(block->bb_numrecs);
/* Record BMBT blocks in the reverse-mapping data. */
- if (check_dups && collect_rmaps) {
+ if (check_dups && collect_rmaps && !zap_metadata) {
agno = XFS_FSB_TO_AGNO(mp, bno);
pthread_mutex_lock(&ag_locks[agno].lock);
rmap_add_bmbt_rec(mp, ino, whichfork, bno);
