commit a59b5e35d181599bc4114ceff3547ef47e713689
author Alexander Graf <agraf@suse.de> Fri Aug 22 13:15:50 2014 +0200
committer Riku Voipio <riku.voipio@linaro.org> Mon Oct 06 21:52:45 2014 +0300
tree 83e552a747c3ab3736ebbff462311b2f8042a03d
parent 40645c7bfd7c4d45381927e1e80081fa827c368a

linux-user: Convert blkpg to use a special subop handler

The blkpg ioctl can take different payloads depending on the opcode in
its payload structure. Create a new special ioctl handler that can only
deal with partition style ones for now.

This patch fixes running parted for me.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

linux-user/ioctls.h

diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 609b27c..e672655 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -78,7 +78,8 @@
      IOCTL(BLKRAGET, IOC_R, MK_PTR(TYPE_LONG))
      IOCTL(BLKSSZGET, IOC_R, MK_PTR(TYPE_LONG))
      IOCTL(BLKBSZGET, IOC_R, MK_PTR(TYPE_INT))
-     IOCTL(BLKPG, IOC_W, MK_PTR(MK_STRUCT(STRUCT_blkpg_ioctl_arg)))
+     IOCTL_SPECIAL(BLKPG, IOC_W, do_ioctl_blkpg,
+                   MK_PTR(MK_STRUCT(STRUCT_blkpg_ioctl_arg)))
 #ifdef FIBMAP
      IOCTL(FIBMAP, IOC_W | IOC_R, MK_PTR(TYPE_LONG))
 #endif