diff options
| author | Benoît Canet <benoit@irqsave.net> | 2014-01-23 21:31:32 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2014-01-24 14:33:01 +0100 |
| commit | dc364f4cdca0c49e37376b16c3ee0bf3b4a96f4c (patch) | |
| tree | 582842c5d70d5a2817e17e1377478bf971497715 /include/block | |
| parent | c8059b97e1f9b4635b836ee98373a0f72f9fc0b4 (diff) | |
block: Add bs->node_name to hold the name of a bs node of the bs graph.
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>
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/block.h | 1 | ||||
| -rw-r--r-- | include/block/block_int.h | 9 |
2 files changed, 9 insertions, 1 deletions
diff --git a/include/block/block.h b/include/block/block.h index a47f3d4988..501b555885 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -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); diff --git a/include/block/block_int.h b/include/block/block_int.h index 2772f2f1bd..f3f518c4d2 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -325,11 +325,18 @@ struct BlockDriverState { BlockdevOnError on_read_error, on_write_error; bool iostatus_enabled; BlockDeviceIoStatus iostatus; + + /* the following member gives a name to every node on the bs graph. */ + char node_name[32]; + /* element of the list of named nodes building the graph */ + QTAILQ_ENTRY(BlockDriverState) node_list; + /* Device name is the name associated with the "drive" the guest sees */ char device_name[32]; + /* element of the list of "drives" the guest sees */ + QTAILQ_ENTRY(BlockDriverState) device_list; QLIST_HEAD(, BdrvDirtyBitmap) dirty_bitmaps; int refcnt; int in_use; /* users other than guest access, eg. block migration */ - QTAILQ_ENTRY(BlockDriverState) list; QLIST_HEAD(, BdrvTrackedRequest) tracked_requests; |