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block: Add bs->node_name to hold the name of a bs node of the bs graph.

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Add the minimum of code to prepare for the following patches.

Signed-off-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Benoît Canet
2014-01-23 21:31:32 +01:00
committed by Kevin Wolf
parent c8059b97e1
commit dc364f4cdc
3 changed files with 52 additions and 15 deletions
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include/block/block.h
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@@ -378,6 +378,7 @@ void bdrv_lock_medium(BlockDriverState *bs, bool locked);
void bdrv_eject(BlockDriverState *bs, bool eject_flag);
const char *bdrv_get_format_name(BlockDriverState *bs);
BlockDriverState *bdrv_find(const char *name);
BlockDriverState *bdrv_find_node(const char *node_name);
BlockDriverState *bdrv_next(BlockDriverState *bs);
void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs),
void *opaque);