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block: Attach non-qdev devices as well

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For now, this just protects against programming errors like having the
same drive back multiple non-qdev devices, or untimely bdrv_delete().
Later commits will add other interesting uses.

While there, rename BlockDriverState member peer to dev, bdrv_attach()
to bdrv_attach_dev(), bdrv_detach() to bdrv_detach_dev(), and
bdrv_get_attached() to bdrv_get_attached_dev().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2011-08-03 15:07:40 +02:00 • committed by Kevin Wolf
parent 648fb0ea5e
commit fa879d62eb
12 changed files with 39 additions and 22 deletions
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3
block_int.h
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@ -168,7 +168,8 @@ struct BlockDriverState {
BlockDriver *drv; /* NULL means no media */
void *opaque;
DeviceState *peer;
void *dev; /* attached device model, if any */
/* TODO change to DeviceState when all users are qdevified */
char filename[1024];
char backing_file[1024]; /* if non zero, the image is a diff of