diff options
Diffstat (limited to 'fs/xfs/scrub/rmap.c')
| -rw-r--r-- | fs/xfs/scrub/rmap.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/fs/xfs/scrub/rmap.c b/fs/xfs/scrub/rmap.c index 3ee50610c48a..8f2a7c3ff455 100644 --- a/fs/xfs/scrub/rmap.c +++ b/fs/xfs/scrub/rmap.c @@ -32,6 +32,7 @@ #include "xfs_alloc.h" #include "xfs_ialloc.h" #include "xfs_rmap.h" +#include "xfs_refcount.h" #include "scrub/xfs_scrub.h" #include "scrub/scrub.h" #include "scrub/common.h" @@ -51,6 +52,37 @@ xfs_scrub_setup_ag_rmapbt( /* Reverse-mapping scrubber. */ +/* Cross-reference a rmap against the refcount btree. */ +STATIC void +xfs_scrub_rmapbt_xref_refc( + struct xfs_scrub_context *sc, + struct xfs_rmap_irec *irec) +{ + xfs_agblock_t fbno; + xfs_extlen_t flen; + bool non_inode; + bool is_bmbt; + bool is_attr; + bool is_unwritten; + int error; + + if (!sc->sa.refc_cur) + return; + + non_inode = XFS_RMAP_NON_INODE_OWNER(irec->rm_owner); + is_bmbt = irec->rm_flags & XFS_RMAP_BMBT_BLOCK; + is_attr = irec->rm_flags & XFS_RMAP_ATTR_FORK; + is_unwritten = irec->rm_flags & XFS_RMAP_UNWRITTEN; + + /* If this is shared, must be a data fork extent. */ + error = xfs_refcount_find_shared(sc->sa.refc_cur, irec->rm_startblock, + irec->rm_blockcount, &fbno, &flen, false); + if (!xfs_scrub_should_check_xref(sc, &error, &sc->sa.refc_cur)) + return; + if (flen != 0 && (non_inode || is_attr || is_bmbt || is_unwritten)) + xfs_scrub_btree_xref_set_corrupt(sc, sc->sa.refc_cur, 0); +} + /* Cross-reference with the other btrees. */ STATIC void xfs_scrub_rmapbt_xref( @@ -68,6 +100,11 @@ xfs_scrub_rmapbt_xref( xfs_scrub_xref_is_inode_chunk(sc, agbno, len); else xfs_scrub_xref_is_not_inode_chunk(sc, agbno, len); + if (irec->rm_owner == XFS_RMAP_OWN_COW) + xfs_scrub_xref_is_cow_staging(sc, irec->rm_startblock, + irec->rm_blockcount); + else + xfs_scrub_rmapbt_xref_refc(sc, irec); } /* Scrub an rmapbt record. */ |