Readd FFS_MAX_SOFTDEPS define

For consistency with other removed indexes which are still around.
No functional change except for the new define.  ok tb@

diff --git a/sys/ufs/ffs/ffs_extern.h b/sys/ufs/ffs/ffs_extern.h
index dacfed7..315f23f 100644 (file)
--- a/sys/ufs/ffs/ffs_extern.h
+++ b/sys/ufs/ffs/ffs_extern.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ffs_extern.h,v 1.48 2024/04/13 15:07:10 jca Exp $     */
+/*     $OpenBSD: ffs_extern.h,v 1.49 2024/04/13 15:08:37 jca Exp $     */
 /*     $NetBSD: ffs_extern.h,v 1.4 1996/02/09 22:22:22 christos Exp $  */
 
 /*
@@ -36,6 +36,7 @@
 #define FFS_CLUSTERWRITE       2       /* cluster writing enabled */
 #define FFS_REALLOCBLKS                3       /* block reallocation enabled */
 #define FFS_ASYNCFREE          4       /* asynchronous block freeing enabled */
+#define        FFS_MAX_SOFTDEPS        5       /* maximum structs before slowdown */
 #define        FFS_SD_TICKDELAY        6       /* ticks to pause during slowdown */
 #define        FFS_SD_WORKLIST_PUSH    7       /* # of worklist cleanups */
 #define        FFS_SD_BLK_LIMIT_PUSH   8       /* # of times block limit neared */