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block: Connect BlockBackend and DriveInfo

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Make the BlockBackend own the DriveInfo.  Change blockdev_init() to
return the BlockBackend instead of the DriveInfo.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2014-10-07 13:59:06 +02:00 • committed by Kevin Wolf
parent 7e7d56d9e0
commit 18e46a033d
4 changed files with 79 additions and 38 deletions
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4
include/sysemu/blockdev.h
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@ -46,6 +46,10 @@ struct DriveInfo {
QTAILQ_ENTRY(DriveInfo) next;
};
DriveInfo *blk_legacy_dinfo(BlockBackend *blk);
DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo);
BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo);
void override_max_devs(BlockInterfaceType type, int max_devs);
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);