From 0c3c36d651922ebe9244e68e6d9ed14cdfcac9fd Mon Sep 17 00:00:00 2001 From: Max Reitz Date: Mon, 19 Oct 2015 17:53:28 +0200 Subject: [PATCH] block: Add blk_insert_bs() This function associates the given BlockDriverState with the given BlockBackend. Signed-off-by: Max Reitz Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- block/block-backend.c | 11 +++++++++++ include/sysemu/block-backend.h | 1 + 2 files changed, 12 insertions(+) diff --git a/block/block-backend.c b/block/block-backend.c index a5c58c5fd8..19fdaaec1a 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -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. diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 52e35a1491..9306a527bb 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -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);