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[Qemu-devel] [PULL v2 26/50] block: Add list of all BlockDriverStates
From: |
Max Reitz |
Subject: |
[Qemu-devel] [PULL v2 26/50] block: Add list of all BlockDriverStates |
Date: |
Tue, 2 Feb 2016 18:35:19 +0100 |
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;
--
2.7.0
- [Qemu-devel] [PULL v2 16/50] block: Release named dirty bitmaps in bdrv_close(), (continued)
- [Qemu-devel] [PULL v2 16/50] block: Release named dirty bitmaps in bdrv_close(), Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 15/50] block: Remove unused struct definition BlockFinishData, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 18/50] block: Add BB-BDS remove/insert notifiers, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 17/50] iotests: Add test for eject under NBD server, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 21/50] nbd: Switch from close to eject notifier, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 19/50] virtio-blk: Functions for op blocker management, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 20/50] virtio-scsi: Catch BDS-BB removal/insertion, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 24/50] blockdev: Use blk_remove_bs() in do_drive_del(), Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 22/50] block: Remove BDS close notifier, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 23/50] block: Use blk_remove_bs() in blk_delete(), Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 26/50] block: Add list of all BlockDriverStates,
Max Reitz <=
- [Qemu-devel] [PULL v2 25/50] block: Make bdrv_close() static, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 29/50] block: Rewrite bdrv_close_all(), Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 28/50] block: Add blk_remove_all_bs(), Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 27/50] blockdev: Keep track of monitor-owned BDS, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 30/50] iotests: Add test for multiple BB on BDS tree, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 32/50] block: acquire in bdrv_query_image_info, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 31/50] iotests: Add test for block jobs and BDS ejection, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 34/50] qcow: Assign bs->file->bs to file in qcow_co_get_block_status, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 35/50] qcow2: Assign bs->file->bs to file in qcow2_co_get_block_status, Max Reitz, 2016/02/02
- [Qemu-devel] [PULL v2 33/50] block: Add "file" output parameter to block status query functions, Max Reitz, 2016/02/02