From eccfe65325c85f3a20466eae11c5ccf65b0a2835 Mon Sep 17 00:00:00 2001
From: phk <phk@FreeBSD.org>
Date: Mon, 11 Mar 2002 08:20:22 +0000
Subject: [PATCH] Augment struct bio for GEOM.
---
sys/sys/bio.h | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/sys/sys/bio.h b/sys/sys/bio.h
index c1c515b2285e..7f1328d027fe 100644
--- a/sys/sys/bio.h
+++ b/sys/sys/bio.h
@@ -46,6 +46,8 @@
struct bio;
struct buf;
+struct g_consumer;
+struct g_provider;
struct iodone_chain {
long ic_prev_flags;
@@ -81,13 +83,21 @@ struct bio {
/* XXX: these go away when bio chaining is introduced */
daddr_t bio_pblkno; /* physical block number */
struct iodone_chain *bio_done_chain;
+ struct bio *bio_linkage;
+ off_t bio_length;
+ char *bio_attribute;
+ off_t bio_completed;
+ struct g_consumer *bio_from;
+ struct g_provider *bio_to;
};
/* bio_cmd */
-#define BIO_READ 1
-#define BIO_WRITE 2
-#define BIO_DELETE 4
-#define BIO_FORMAT 8
+#define BIO_READ 0x00000001
+#define BIO_WRITE 0x00000002
+#define BIO_DELETE 0x00000004
+#define BIO_FORMAT 0x00000008
+#define BIO_GETATTR 0x00000010
+#define BIO_SETATTR 0x00000020
#define BIO_CMD1 0x40000000 /* Available for local hacks */
#define BIO_CMD2 0x80000000 /* Available for local hacks */