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[Qemu-block] [PATCH v11 02/16] block: Define BDRV_O_SHARE_RW
From: |
Fam Zheng |
Subject: |
[Qemu-block] [PATCH v11 02/16] block: Define BDRV_O_SHARE_RW |
Date: |
Fri, 20 Jan 2017 15:22:56 +0800 |
Signed-off-by: Fam Zheng <address@hidden>
---
include/block/block.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/block/block.h b/include/block/block.h
index 8b0dcda..243839d 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -97,6 +97,8 @@ typedef struct HDGeometry {
select an appropriate protocol driver,
ignoring the format layer */
#define BDRV_O_NO_IO 0x10000 /* don't initialize for I/O */
+#define BDRV_O_SHARE_RW 0x20000 /* accept shared read-write from other users
+ of the image */
#define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_NO_FLUSH)
--
2.9.3
- [Qemu-block] [PATCH v11 00/16] block: Image locking series, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 01/16] osdep: Add qemu_lock_fd and qemu_unlock_fd, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 02/16] block: Define BDRV_O_SHARE_RW,
Fam Zheng <=
- [Qemu-block] [PATCH v11 03/16] qemu-io: Set "share-rw" flag together with read-only, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 04/16] qemu-img: Set "share-rw" flag in read-only commands, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 05/16] block: Set "share-rw" flag in drive-backup when sync=none, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 06/16] iotests: 055: Don't attach the drive to vm for drive-backup, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 07/16] iotests: 030: Read-only open image for getting map, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 08/16] iotests: 087: Don't attach test image twice, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 10/16] iotests: 091: Quit QEMU before checking image, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 09/16] iotests: 085: Avoid image locking conflict, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 11/16] iotests: 172: Use separate images for multiple devices, Fam Zheng, 2017/01/20
- [Qemu-block] [PATCH v11 12/16] tests: Use null-co:// instead of /dev/null as the dummy image, Fam Zheng, 2017/01/20