diff options
| author | Alberto Garcia <berto@igalia.com> | 2015-11-02 16:51:54 +0200 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2015-11-11 16:55:28 +0100 |
| commit | f636ae85f3db8ffb987c79715869dba1b8217e8a (patch) | |
| tree | daeb2608974bf96485f3ec7b0aeda178d701a648 /block | |
| parent | 10f3cd15dd9913f8d959fbd061e6e00c45432093 (diff) | |
| download | qemu-f636ae85f3db8ffb987c79715869dba1b8217e8a.zip qemu-f636ae85f3db8ffb987c79715869dba1b8217e8a.tar.gz qemu-f636ae85f3db8ffb987c79715869dba1b8217e8a.tar.bz2 | |
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>
Diffstat (limited to 'block')
| -rw-r--r-- | block/block-backend.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 1ac6982..6f9309f 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -189,6 +189,11 @@ static void drive_info_del(DriveInfo *dinfo) g_free(dinfo); } +int blk_get_refcnt(BlockBackend *blk) +{ + return blk ? blk->refcnt : 0; +} + /* * Increment @blk's reference count. * @blk must not be null. |