Commit 0c3c36d6 authored by Max Reitz's avatar Max Reitz Committed by Kevin Wolf
Browse files

block: Add blk_insert_bs() 



This function associates the given BlockDriverState with the given
BlockBackend.

Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
Reviewed-by: default avatarKevin Wolf <kwolf@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent a46fc9c9

block/block-backend.c

+11 −0
Original line number Diff line number Diff line
@@ -333,6 +333,17 @@ void blk_hide_on_behalf_of_hmp_drive_del(BlockBackend *blk) 
    }

}



/*

 * Associates a new BlockDriverState with @blk.

 */

void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs)

{

    assert(!blk->bs && !bs->blk);

    bdrv_ref(bs);

    blk->bs = bs;

    bs->blk = blk;

}



/*

 * Attach device model @dev to @blk.

 * Return 0 on success, -EBUSY when a device model is attached already.

include/sysemu/block-backend.h

+1 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ BlockBackend *blk_by_name(const char *name); 
BlockBackend *blk_next(BlockBackend *blk);



BlockDriverState *blk_bs(BlockBackend *blk);

void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs);



void blk_hide_on_behalf_of_hmp_drive_del(BlockBackend *blk);