tree daeb2608974bf96485f3ec7b0aeda178d701a648
parent 10f3cd15dd9913f8d959fbd061e6e00c45432093
author Alberto Garcia <berto@igalia.com> 1446475914 +0200
committer Max Reitz <mreitz@redhat.com> 1447257328 +0100

block: Add blk_get_refcnt()

This function returns the reference count of a given BlockBackend.
For convenience, it returns 0 if the BlockBackend pointer is NULL.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: dfdd8a17dbe3288842840636d2cfe5bb895abcb0.1446475331.git.berto@igalia.com
Signed-off-by: Max Reitz <mreitz@redhat.com>