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authorJens Axboe <jens.axboe@oracle.com>2007-07-09 14:38:05 +0400
committerJens Axboe <jens.axboe@oracle.com>2007-07-16 10:52:44 +0400
commit3d6392cfbd7dc11f23058e3493683afab4ac13a3 (patch)
tree70c2b65c479f5feb7a5214a4a4930d489a069b1f /include/linux/bsg.h
parent8f41958bdd577731f7411c9605cfaa9db6766809 (diff)
downloadlinux-3d6392cfbd7dc11f23058e3493683afab4ac13a3.tar.xz
bsg: support for full generic block layer SG v3
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/bsg.h')
-rw-r--r--include/linux/bsg.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/bsg.h b/include/linux/bsg.h
new file mode 100644
index 000000000000..dc0d7282c4cb
--- /dev/null
+++ b/include/linux/bsg.h
@@ -0,0 +1,21 @@
+#ifndef BSG_H
+#define BSG_H
+
+#if defined(CONFIG_BLK_DEV_BSG)
+struct bsg_class_device {
+ struct class_device *class_dev;
+ struct device *dev;
+ int minor;
+ struct gendisk *disk;
+ struct list_head list;
+};
+
+extern int bsg_register_disk(struct gendisk *);
+extern void bsg_unregister_disk(struct gendisk *);
+#else
+struct bsg_class_device { };
+#define bsg_register_disk(disk) (0)
+#define bsg_unregister_disk(disk) do { } while (0)
+#endif
+
+#endif