diff options
-rw-r--r-- | fs/xfs/scrub/bmap.c | 55 |
1 files changed, 36 insertions, 19 deletions
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c index a4a156dcaa8a..fa8f22ed057a 100644 --- a/fs/xfs/scrub/bmap.c +++ b/fs/xfs/scrub/bmap.c @@ -368,14 +368,13 @@ xchk_bmap_dirattr_extent( } /* Scrub a single extent record. */ -STATIC int +STATIC void xchk_bmap_iextent( struct xfs_inode *ip, struct xchk_bmap_info *info, struct xfs_bmbt_irec *irec) { struct xfs_mount *mp = info->sc->mp; - int error = 0; /* * Check for out-of-order extents. This record could have come @@ -396,14 +395,6 @@ xchk_bmap_iextent( xchk_fblock_set_corrupt(info->sc, info->whichfork, irec->br_startoff); - /* - * Check for delalloc extents. We never iterate the ones in the - * in-core extent scan, and we should never see these in the bmbt. - */ - if (isnullstartblock(irec->br_startblock)) - xchk_fblock_set_corrupt(info->sc, info->whichfork, - irec->br_startoff); - /* Make sure the extent points to a valid place. */ if (irec->br_blockcount > XFS_MAX_BMBT_EXTLEN) xchk_fblock_set_corrupt(info->sc, info->whichfork, @@ -424,15 +415,12 @@ xchk_bmap_iextent( irec->br_startoff); if (info->sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT) - return 0; + return; if (info->is_rt) xchk_bmap_rt_iextent_xref(ip, info, irec); else xchk_bmap_iextent_xref(ip, info, irec); - - info->lastoff = irec->br_startoff + irec->br_blockcount; - return error; } /* Scrub a bmbt record. */ @@ -680,6 +668,33 @@ xchk_bmap_check_rmaps( return 0; } +/* Scrub a delalloc reservation from the incore extent map tree. */ +STATIC void +xchk_bmap_iextent_delalloc( + struct xfs_inode *ip, + struct xchk_bmap_info *info, + struct xfs_bmbt_irec *irec) +{ + struct xfs_mount *mp = info->sc->mp; + + /* + * Check for out-of-order extents. This record could have come + * from the incore list, for which there is no ordering check. + */ + if (irec->br_startoff < info->lastoff) + xchk_fblock_set_corrupt(info->sc, info->whichfork, + irec->br_startoff); + + if (!xfs_verify_fileext(mp, irec->br_startoff, irec->br_blockcount)) + xchk_fblock_set_corrupt(info->sc, info->whichfork, + irec->br_startoff); + + /* Make sure the extent points to a valid place. */ + if (irec->br_blockcount > XFS_MAX_BMBT_EXTLEN) + xchk_fblock_set_corrupt(info->sc, info->whichfork, + irec->br_startoff); +} + /* * Scrub an inode fork's block mappings. * @@ -764,16 +779,18 @@ xchk_bmap( if (xchk_should_terminate(sc, &error) || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) goto out; - if (isnullstartblock(irec.br_startblock)) - continue; + if (irec.br_startoff >= endoff) { xchk_fblock_set_corrupt(sc, whichfork, irec.br_startoff); goto out; } - error = xchk_bmap_iextent(ip, &info, &irec); - if (error) - goto out; + + if (isnullstartblock(irec.br_startblock)) + xchk_bmap_iextent_delalloc(ip, &info, &irec); + else + xchk_bmap_iextent(ip, &info, &irec); + info.lastoff = irec.br_startoff + irec.br_blockcount; } error = xchk_bmap_check_rmaps(sc, whichfork); |