xfs: don't assert when on-disk btree pointers are garbage
Don't ASSERT when we encounter bad on-disk btree pointers in the debug
check functions. Log the error to leave breadcrumbs and let the upper
layers deal with it.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 3fcddfe..4f83d79 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -246,16 +246,25 @@ xfs_btree_check_ptr(
int level)
{
if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp,
- xfs_btree_check_lptr(cur,
- be64_to_cpu((&ptr->l)[index]), level));
+ if (xfs_btree_check_lptr(cur, be64_to_cpu((&ptr->l)[index]),
+ level))
+ return 0;
+ xfs_err(cur->bc_mp,
+"Inode %llu fork %d: Corrupt btree %d pointer at level %d index %d.",
+ cur->bc_private.b.ip->i_ino,
+ cur->bc_private.b.whichfork, cur->bc_btnum,
+ level, index);
} else {
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp,
- xfs_btree_check_sptr(cur,
- be32_to_cpu((&ptr->s)[index]), level));
+ if (xfs_btree_check_sptr(cur, be32_to_cpu((&ptr->s)[index]),
+ level))
+ return 0;
+ xfs_err(cur->bc_mp,
+"AG %u: Corrupt btree %d pointer at level %d index %d.",
+ cur->bc_private.a.agno, cur->bc_btnum,
+ level, index);
}
- return 0;
+ return -EFSCORRUPTED;
}
#ifdef DEBUG