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[Qemu-devel] [PATCH v2 04/11] block: use refcnt for device attach/detach
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v2 04/11] block: use refcnt for device attach/detach |
Date: |
Wed, 17 Jul 2013 17:42:09 +0800 |
Signed-off-by: Fam Zheng <address@hidden>
---
block.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/block.c b/block.c
index 7b46669..57a3876 100644
--- a/block.c
+++ b/block.c
@@ -1622,6 +1622,7 @@ int bdrv_attach_dev(BlockDriverState *bs, void *dev)
return -EBUSY;
}
bs->dev = dev;
+ bdrv_ref(bs, false);
bdrv_iostatus_reset(bs);
return 0;
}
@@ -1639,6 +1640,7 @@ void bdrv_detach_dev(BlockDriverState *bs, void *dev)
{
assert(bs->dev == dev);
bs->dev = NULL;
+ bdrv_unref(bs, false);
bs->dev_ops = NULL;
bs->dev_opaque = NULL;
bs->buffer_alignment = 512;
--
1.8.3.2
- Re: [Qemu-devel] [PATCH v2 01/11] block: replace in_use with refcnt_soft and refcnt_hard, (continued)
- Re: [Qemu-devel] [PATCH v2 01/11] block: replace in_use with refcnt_soft and refcnt_hard, Stefan Hajnoczi, 2013/07/23
- Re: [Qemu-devel] [PATCH v2 01/11] block: replace in_use with refcnt_soft and refcnt_hard, Fam Zheng, 2013/07/23
- Re: [Qemu-devel] [PATCH v2 01/11] block: replace in_use with refcnt_soft and refcnt_hard, Stefan Hajnoczi, 2013/07/23
- Re: [Qemu-devel] [PATCH v2 01/11] block: replace in_use with refcnt_soft and refcnt_hard, Fam Zheng, 2013/07/23
- Re: [Qemu-devel] [PATCH v2 01/11] block: replace in_use with refcnt_soft and refcnt_hard, Stefan Hajnoczi, 2013/07/24
- Re: [Qemu-devel] [PATCH v2 01/11] block: replace in_use with refcnt_soft and refcnt_hard, Fam Zheng, 2013/07/24
- Re: [Qemu-devel] [PATCH v2 01/11] block: replace in_use with refcnt_soft and refcnt_hard, Stefan Hajnoczi, 2013/07/25
[Qemu-devel] [PATCH v2 02/11] block: use refcnt for bs->backing_hd and bs->file, Fam Zheng, 2013/07/17
[Qemu-devel] [PATCH v2 03/11] block: use refcnt for drive_init/drive_uninit, Fam Zheng, 2013/07/17
[Qemu-devel] [PATCH v2 04/11] block: use refcnt for device attach/detach,
Fam Zheng <=
[Qemu-devel] [PATCH v2 05/11] migration: omit drive ref as we have bdrv_ref now, Fam Zheng, 2013/07/17
[Qemu-devel] [PATCH v2 06/11] xen_disk: simplify blk_disconnect with refcnt, Fam Zheng, 2013/07/17
[Qemu-devel] [PATCH v2 07/11] block: hold hard reference for backup/mirror target, Fam Zheng, 2013/07/17
[Qemu-devel] [PATCH v2 08/11] block: simplify bdrv_drop_intermediate, Fam Zheng, 2013/07/17