diff options
Diffstat (limited to 'fs/xfs/scrub/agheader.c')
| -rw-r--r-- | fs/xfs/scrub/agheader.c | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c index bed798792226..90aebfe9dc5f 100644 --- a/fs/xfs/scrub/agheader.c +++ b/fs/xfs/scrub/agheader.c @@ -281,7 +281,7 @@ xchk_superblock( features_mask = cpu_to_be32(XFS_SB_VERSION2_ATTR2BIT); if ((sb->sb_features2 & features_mask) != (cpu_to_be32(mp->m_sb.sb_features2) & features_mask)) - xchk_block_set_corrupt(sc, bp); + xchk_block_set_preen(sc, bp); if (!xfs_has_crc(mp)) { /* all v5 fields must be zero */ @@ -290,39 +290,38 @@ xchk_superblock( offsetof(struct xfs_dsb, sb_features_compat))) xchk_block_set_corrupt(sc, bp); } else { - /* Check compat flags; all are set at mkfs time. */ - features_mask = cpu_to_be32(XFS_SB_FEAT_COMPAT_UNKNOWN); - if ((sb->sb_features_compat & features_mask) != - (cpu_to_be32(mp->m_sb.sb_features_compat) & features_mask)) + /* compat features must match */ + if (sb->sb_features_compat != + cpu_to_be32(mp->m_sb.sb_features_compat)) xchk_block_set_corrupt(sc, bp); - /* Check ro compat flags; all are set at mkfs time. */ - features_mask = cpu_to_be32(XFS_SB_FEAT_RO_COMPAT_UNKNOWN | - XFS_SB_FEAT_RO_COMPAT_FINOBT | - XFS_SB_FEAT_RO_COMPAT_RMAPBT | - XFS_SB_FEAT_RO_COMPAT_REFLINK); - if ((sb->sb_features_ro_compat & features_mask) != - (cpu_to_be32(mp->m_sb.sb_features_ro_compat) & - features_mask)) + /* ro compat features must match */ + if (sb->sb_features_ro_compat != + cpu_to_be32(mp->m_sb.sb_features_ro_compat)) xchk_block_set_corrupt(sc, bp); - /* Check incompat flags; all are set at mkfs time. */ - features_mask = cpu_to_be32(XFS_SB_FEAT_INCOMPAT_UNKNOWN | - XFS_SB_FEAT_INCOMPAT_FTYPE | - XFS_SB_FEAT_INCOMPAT_SPINODES | - XFS_SB_FEAT_INCOMPAT_META_UUID); - if ((sb->sb_features_incompat & features_mask) != - (cpu_to_be32(mp->m_sb.sb_features_incompat) & - features_mask)) - xchk_block_set_corrupt(sc, bp); + /* + * NEEDSREPAIR is ignored on a secondary super, so we should + * clear it when we find it, though it's not a corruption. + */ + features_mask = cpu_to_be32(XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR); + if ((cpu_to_be32(mp->m_sb.sb_features_incompat) ^ + sb->sb_features_incompat) & features_mask) + xchk_block_set_preen(sc, bp); - /* Check log incompat flags; all are set at mkfs time. */ - features_mask = cpu_to_be32(XFS_SB_FEAT_INCOMPAT_LOG_UNKNOWN); - if ((sb->sb_features_log_incompat & features_mask) != - (cpu_to_be32(mp->m_sb.sb_features_log_incompat) & - features_mask)) + /* all other incompat features must match */ + if ((cpu_to_be32(mp->m_sb.sb_features_incompat) ^ + sb->sb_features_incompat) & ~features_mask) xchk_block_set_corrupt(sc, bp); + /* + * log incompat features protect newer log record types from + * older log recovery code. Log recovery doesn't check the + * secondary supers, so we can clear these if needed. + */ + if (sb->sb_features_log_incompat) + xchk_block_set_preen(sc, bp); + /* Don't care about sb_crc */ if (sb->sb_spino_align != cpu_to_be32(mp->m_sb.sb_spino_align)) |