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[Qemu-block] [PATCH v5 09/13] block: Add list of all BlockDriverStates
From: |
Max Reitz |
Subject: |
[Qemu-block] [PATCH v5 09/13] block: Add list of all BlockDriverStates |
Date: |
Tue, 3 Mar 2015 15:13:07 -0500 |
Signed-off-by: Max Reitz <address@hidden>
---
block.c | 10 ++++++++++
include/block/block_int.h | 2 ++
2 files changed, 12 insertions(+)
diff --git a/block.c b/block.c
index e84fa0c..9698b1d 100644
--- a/block.c
+++ b/block.c
@@ -94,6 +94,9 @@ static QTAILQ_HEAD(, BlockDriverState) bdrv_states =
static QTAILQ_HEAD(, BlockDriverState) graph_bdrv_states =
QTAILQ_HEAD_INITIALIZER(graph_bdrv_states);
+static QTAILQ_HEAD(, BlockDriverState) all_bdrv_states =
+ QTAILQ_HEAD_INITIALIZER(all_bdrv_states);
+
static QLIST_HEAD(, BlockDriver) bdrv_drivers =
QLIST_HEAD_INITIALIZER(bdrv_drivers);
@@ -379,6 +382,8 @@ BlockDriverState *bdrv_new(void)
bs->refcnt = 1;
bs->aio_context = qemu_get_aio_context();
+ QTAILQ_INSERT_TAIL(&all_bdrv_states, bs, bs_list);
+
return bs;
}
@@ -2090,6 +2095,9 @@ static void bdrv_move_feature_fields(BlockDriverState
*bs_dest,
/* keep the same entry in bdrv_states */
bs_dest->device_list = bs_src->device_list;
+ /* keep the same entry in all_bdrv_states */
+ bs_dest->bs_list = bs_src->bs_list;
+
bs_dest->blk = bs_src->blk;
memcpy(bs_dest->op_blockers, bs_src->op_blockers,
@@ -2191,6 +2199,8 @@ static void bdrv_delete(BlockDriverState *bs)
/* remove from list, if necessary */
bdrv_make_anon(bs);
+ QTAILQ_REMOVE(&all_bdrv_states, bs, bs_list);
+
g_free(bs);
}
diff --git a/include/block/block_int.h b/include/block/block_int.h
index b2c1d87..622fbfc 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -399,6 +399,8 @@ struct BlockDriverState {
QTAILQ_ENTRY(BlockDriverState) node_list;
/* element of the list of "drives" the guest sees */
QTAILQ_ENTRY(BlockDriverState) device_list;
+ /* element of the list of all BlockDriverStates (all_bdrv_states) */
+ QTAILQ_ENTRY(BlockDriverState) bs_list;
QLIST_HEAD(, BdrvDirtyBitmap) dirty_bitmaps;
int refcnt;
--
2.1.0