diff options
| author | Darrick J. Wong | 2018-01-16 18:53:10 -0800 |
|---|---|---|
| committer | Darrick J. Wong | 2018-01-17 21:00:46 -0800 |
| commit | 561f648ab2bdbb43f2ecc5074854c11537f2aa6c (patch) | |
| tree | 887dd9a897da6ec50e3d074a31f6178cfeb92967 /fs/xfs/scrub | |
| parent | 46d9bfb5e706493777b9dfed666cd8967f69e6fd (diff) | |
xfs: cross-reference the block mappings when possible
Use an inode's block mappings to cross-reference inode block counters.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/scrub')
| -rw-r--r-- | fs/xfs/scrub/inode.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c index 92752eef014c..21297bef8df1 100644 --- a/fs/xfs/scrub/inode.c +++ b/fs/xfs/scrub/inode.c @@ -37,6 +37,8 @@ #include "xfs_da_format.h" #include "xfs_reflink.h" #include "xfs_rmap.h" +#include "xfs_bmap.h" +#include "xfs_bmap_util.h" #include "scrub/xfs_scrub.h" #include "scrub/scrub.h" #include "scrub/common.h" @@ -626,6 +628,37 @@ xfs_scrub_inode_xref_finobt( xfs_scrub_btree_xref_set_corrupt(sc, sc->sa.fino_cur, 0); } +/* Cross reference the inode fields with the forks. */ +STATIC void +xfs_scrub_inode_xref_bmap( + struct xfs_scrub_context *sc, + struct xfs_dinode *dip) +{ + xfs_extnum_t nextents; + xfs_filblks_t count; + xfs_filblks_t acount; + int error; + + /* Walk all the extents to check nextents/naextents/nblocks. */ + error = xfs_bmap_count_blocks(sc->tp, sc->ip, XFS_DATA_FORK, + &nextents, &count); + if (!xfs_scrub_should_check_xref(sc, &error, NULL)) + return; + if (nextents < be32_to_cpu(dip->di_nextents)) + xfs_scrub_ino_xref_set_corrupt(sc, sc->ip->i_ino, NULL); + + error = xfs_bmap_count_blocks(sc->tp, sc->ip, XFS_ATTR_FORK, + &nextents, &acount); + if (!xfs_scrub_should_check_xref(sc, &error, NULL)) + return; + if (nextents != be16_to_cpu(dip->di_anextents)) + xfs_scrub_ino_xref_set_corrupt(sc, sc->ip->i_ino, NULL); + + /* Check nblocks against the inode. */ + if (count + acount != be64_to_cpu(dip->di_nblocks)) + xfs_scrub_ino_xref_set_corrupt(sc, sc->ip->i_ino, NULL); +} + /* Cross-reference with the other btrees. */ STATIC void xfs_scrub_inode_xref( @@ -653,6 +686,7 @@ xfs_scrub_inode_xref( xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INODES); xfs_scrub_xref_is_owned_by(sc, agbno, 1, &oinfo); xfs_scrub_xref_is_not_shared(sc, agbno, 1); + xfs_scrub_inode_xref_bmap(sc, dip); xfs_scrub_ag_free(sc, &sc->sa); } |