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Diffstat (limited to 'fs/xfs/libxfs/xfs_btree.c')
-rw-r--r--fs/xfs/libxfs/xfs_btree.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 8bb20e1cf57b..b3cd82a27cf4 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -1053,7 +1053,7 @@ xfs_btree_setbuf(
}
}
-STATIC int
+bool
xfs_btree_ptr_is_null(
struct xfs_btree_cur *cur,
union xfs_btree_ptr *ptr)
@@ -1078,7 +1078,7 @@ xfs_btree_set_ptr_null(
/*
* Get/set/init sibling pointers
*/
-STATIC void
+void
xfs_btree_get_sibling(
struct xfs_btree_cur *cur,
struct xfs_btree_block *block,
@@ -4940,3 +4940,15 @@ xfs_btree_count_blocks(
return xfs_btree_visit_blocks(cur, xfs_btree_count_blocks_helper,
blocks);
}
+
+/* Compare two btree pointers. */
+int64_t
+xfs_btree_diff_two_ptrs(
+ struct xfs_btree_cur *cur,
+ const union xfs_btree_ptr *a,
+ const union xfs_btree_ptr *b)
+{
+ if (cur->bc_flags & XFS_BTREE_LONG_PTRS)
+ return (int64_t)be64_to_cpu(a->l) - be64_to_cpu(b->l);
+ return (int64_t)be32_to_cpu(a->s) - be32_to_cpu(b->s);
+}