This patch adds DM_REQUEST_BASE_FLAG ioctl for mapped device creation.
Signed-off-by: Kiyoshi Ueda <k-ueda@xxxxxxxxxxxxx>
Signed-off-by: Jun'ichi Nomura <j-nomura@xxxxxxxxxxxxx>
diff -rupN 3-create-iface-change/drivers/md/dm.h 4-add-ioctl/drivers/md/dm.h
--- 3-create-iface-change/drivers/md/dm.h 2006-12-11 14:32:53.000000000 -0500
+++ 4-add-ioctl/drivers/md/dm.h 2006-12-15 10:26:43.000000000 -0500
@@ -33,6 +33,11 @@
#define SECTOR_SHIFT 9
/*
+ * Create feature flags
+ */
+#define DM_CREATE_REQUEST_BASE_FLAG (1 << 0)
+
+/*
* List of devices that a metadevice uses and should open/close.
*/
struct dm_dev {
diff -rupN 3-create-iface-change/drivers/md/dm-ioctl.c 4-add-ioctl/drivers/md/dm-ioctl.c
--- 3-create-iface-change/drivers/md/dm-ioctl.c 2006-12-15 10:24:52.000000000 -0500
+++ 4-add-ioctl/drivers/md/dm-ioctl.c 2006-12-15 10:26:43.000000000 -0500
@@ -573,6 +573,8 @@ static int dev_create(struct dm_ioctl *p
if (param->flags & DM_PERSISTENT_DEV_FLAG)
m = MINOR(huge_decode_dev(param->dev));
+ if (param->flags & DM_REQUEST_BASE_FLAG)
+ create_flags |= DM_CREATE_REQUEST_BASE_FLAG;
r = dm_create(m, &md, create_flags);
if (r)
diff -rupN 3-create-iface-change/include/linux/dm-ioctl.h 4-add-ioctl/include/linux/dm-ioctl.h
--- 3-create-iface-change/include/linux/dm-ioctl.h 2006-12-11 14:32:53.000000000 -0500
+++ 4-add-ioctl/include/linux/dm-ioctl.h 2006-12-15 10:27:35.000000000 -0500
@@ -285,7 +285,7 @@ typedef char ioctl_struct[308];
#define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
#define DM_VERSION_MAJOR 4
-#define DM_VERSION_MINOR 10
+#define DM_VERSION_MINOR 11
#define DM_VERSION_PATCHLEVEL 0
#define DM_VERSION_EXTRA "-ioctl (2006-09-14)"
@@ -323,4 +323,9 @@ typedef char ioctl_struct[308];
*/
#define DM_SKIP_LOCKFS_FLAG (1 << 10) /* In */
+/*
+ * Set this to create request based device-mapper device.
+ */
+#define DM_REQUEST_BASE_FLAG (1 << 11) /* In */
+
#endif /* _LINUX_DM_IOCTL_H */
--
dm-devel mailing list
dm-devel@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/dm-devel
