Separate the struct bio related stuff out of <sys/buf.h> into

<sys/bio.h>.

<sys/bio.h> is now a prerequisite for <sys/buf.h> but it shall
not be made a nested include according to bdes teachings on the
subject of nested includes.

Diskdrivers and similar stuff below specfs::strategy() should no
longer need to include <sys/buf.> unless they need caching of data.

Still a few bogus uses of struct buf to track down.

Repocopy by:    peter

8 files changed, 8 insertions, 7 deletions

diff --git a/sys/cam/cam_periph.c b/sys/cam/cam_periph.c
index 080912b..58ca810c 100644
--- a/sys/cam/cam_periph.c
+++ b/sys/cam/cam_periph.c
@@ -34,6 +34,7 @@
 #include <sys/types.h>
 #include <sys/malloc.h>
 #include <sys/linker_set.h>
+#include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/proc.h>
 #include <sys/devicestat.h>
diff --git a/sys/cam/scsi/scsi_cd.c b/sys/cam/scsi/scsi_cd.c
index 0ca386a..3bd9437 100644
--- a/sys/cam/scsi/scsi_cd.c
+++ b/sys/cam/scsi/scsi_cd.c
@@ -51,7 +51,7 @@
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/kernel.h>
-#include <sys/buf.h>
+#include <sys/bio.h>
 #include <sys/conf.h>
 #include <sys/disk.h>
 #include <sys/malloc.h>
diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c
index 53ce964..94ed4af 100644
--- a/sys/cam/scsi/scsi_da.c
+++ b/sys/cam/scsi/scsi_da.c
@@ -33,7 +33,7 @@
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/kernel.h>
-#include <sys/buf.h>
+#include <sys/bio.h>
 #include <sys/devicestat.h>
 #include <sys/conf.h>
 #include <sys/disk.h>
diff --git a/sys/cam/scsi/scsi_pass.c b/sys/cam/scsi/scsi_pass.c
index fe9015c..46847f3 100644
--- a/sys/cam/scsi/scsi_pass.c
+++ b/sys/cam/scsi/scsi_pass.c
@@ -31,7 +31,7 @@
 #include <sys/systm.h>
 #include <sys/kernel.h>
 #include <sys/types.h>
-#include <sys/buf.h>
+#include <sys/bio.h>
 #include <sys/malloc.h>
 #include <sys/fcntl.h>
 #include <sys/stat.h>
diff --git a/sys/cam/scsi/scsi_pt.c b/sys/cam/scsi/scsi_pt.c
index 2f6e4db..8f51ea8 100644
--- a/sys/cam/scsi/scsi_pt.c
+++ b/sys/cam/scsi/scsi_pt.c
@@ -33,7 +33,7 @@
 #include <sys/systm.h>
 #include <sys/kernel.h>
 #include <sys/types.h>
-#include <sys/buf.h>
+#include <sys/bio.h>
 #include <sys/devicestat.h>
 #include <sys/malloc.h>
 #include <sys/conf.h>
diff --git a/sys/cam/scsi/scsi_sa.c b/sys/cam/scsi/scsi_sa.c
index 1b9a9d0..f5d9f6d 100644
--- a/sys/cam/scsi/scsi_sa.c
+++ b/sys/cam/scsi/scsi_sa.c
@@ -36,7 +36,7 @@
 #include <sys/kernel.h>
 #endif
 #include <sys/types.h>
-#include <sys/buf.h>
+#include <sys/bio.h>
 #include <sys/malloc.h>
 #include <sys/mtio.h>
 #include <sys/conf.h>
diff --git a/sys/cam/scsi/scsi_targ_bh.c b/sys/cam/scsi/scsi_targ_bh.c
index a5a3797..ba80ac1 100644
--- a/sys/cam/scsi/scsi_targ_bh.c
+++ b/sys/cam/scsi/scsi_targ_bh.c
@@ -34,7 +34,7 @@
 #include <sys/systm.h>
 #include <sys/kernel.h>
 #include <sys/types.h>
-#include <sys/buf.h>
+#include <sys/bio.h>
 #include <sys/conf.h>
 #include <sys/devicestat.h>
 #include <sys/malloc.h>
diff --git a/sys/cam/scsi/scsi_target.c b/sys/cam/scsi/scsi_target.c
index db06444..db27cac 100644
--- a/sys/cam/scsi/scsi_target.c
+++ b/sys/cam/scsi/scsi_target.c
@@ -34,7 +34,7 @@
 #include <sys/systm.h>
 #include <sys/kernel.h>
 #include <sys/types.h>
-#include <sys/buf.h>
+#include <sys/bio.h>
 #include <sys/conf.h>
 #include <sys/devicestat.h>
 #include <sys/malloc.h>