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[Qemu-devel] [PULL 26/48] block: Add list of all BlockDriverStates
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PULL 26/48] block: Add list of all BlockDriverStates |
Date: |
Fri, 29 Jan 2016 18:37:32 +0100 |
From: Max Reitz <address@hidden>
We need this list so that bdrv_close_all() can keep track of which BDSs
are still open after having removed the BDSs from all of the BBs and
having released all monitor BDS references.
Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Kevin Wolf <address@hidden>
Reviewed-by: Fam Zheng <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block.c | 7 +++++++
include/block/block_int.h | 2 ++
2 files changed, 9 insertions(+)
diff --git a/block.c b/block.c
index e076f10..d687d2c 100644
--- a/block.c
+++ b/block.c
@@ -79,6 +79,9 @@ struct BdrvStates bdrv_states =
QTAILQ_HEAD_INITIALIZER(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);
@@ -267,6 +270,8 @@ 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;
}
@@ -2371,6 +2376,8 @@ 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 8730cf6..1e4c518 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -443,6 +443,8 @@ 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;
--
1.8.3.1
- [Qemu-devel] [PULL 08/48] iotests: Rename filter_nbd to _filter_nbd in 083, (continued)
- [Qemu-devel] [PULL 08/48] iotests: Rename filter_nbd to _filter_nbd in 083, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 21/48] nbd: Switch from close to eject notifier, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 22/48] block: Remove BDS close notifier, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 24/48] blockdev: Use blk_remove_bs() in do_drive_del(), Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 23/48] block: Use blk_remove_bs() in blk_delete(), Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 18/48] block: Add BB-BDS remove/insert notifiers, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 19/48] virtio-blk: Functions for op blocker management, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 20/48] virtio-scsi: Catch BDS-BB removal/insertion, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 25/48] block: Make bdrv_close() static, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 30/48] iotests: Add test for multiple BB on BDS tree, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 26/48] block: Add list of all BlockDriverStates,
Kevin Wolf <=
- [Qemu-devel] [PULL 34/48] qcow: Assign bs->file->bs to file in qcow_co_get_block_status, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 37/48] iscsi: Assign bs to file in iscsi_co_get_block_status, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 39/48] qed: Assign bs->file->bs to file in bdrv_qed_co_get_block_status, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 32/48] block: acquire in bdrv_query_image_info, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 35/48] qcow2: Assign bs->file->bs to file in qcow2_co_get_block_status, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 29/48] block: Rewrite bdrv_close_all(), Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 27/48] blockdev: Keep track of monitor-owned BDS, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 36/48] raw: Assign bs to file in raw_co_get_block_status, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 41/48] vdi: Assign bs->file->bs to file in vdi_co_get_block_status, Kevin Wolf, 2016/01/29
- [Qemu-devel] [PULL 28/48] block: Add blk_remove_all_bs(), Kevin Wolf, 2016/01/29