block: Rename bdrv_set_locked() to bdrv_lock_medium()

While there, make the locked parameter bool.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/raw-posix.c b/block/raw-posix.c
index bcf50b2..a624f56 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1362,7 +1362,7 @@
     }
 }
 
-static void cdrom_set_locked(BlockDriverState *bs, int locked)
+static void cdrom_lock_medium(BlockDriverState *bs, bool locked)
 {
     BDRVRawState *s = bs->opaque;
 
@@ -1400,7 +1400,7 @@
     /* removable device support */
     .bdrv_is_inserted   = cdrom_is_inserted,
     .bdrv_eject         = cdrom_eject,
-    .bdrv_set_locked    = cdrom_set_locked,
+    .bdrv_lock_medium   = cdrom_lock_medium,
 
     /* generic scsi device */
     .bdrv_ioctl         = hdev_ioctl,
@@ -1481,7 +1481,7 @@
     cdrom_reopen(bs);
 }
 
-static void cdrom_set_locked(BlockDriverState *bs, int locked)
+static void cdrom_lock_medium(BlockDriverState *bs, bool locked)
 {
     BDRVRawState *s = bs->opaque;
 
@@ -1521,7 +1521,7 @@
     /* removable device support */
     .bdrv_is_inserted   = cdrom_is_inserted,
     .bdrv_eject         = cdrom_eject,
-    .bdrv_set_locked    = cdrom_set_locked,
+    .bdrv_lock_medium   = cdrom_lock_medium,
 };
 #endif /* __FreeBSD__ */