From: Fam Zheng <famz@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Daniel P. Berrange" <berrange@redhat.com>,
qemu-block@nongnu.org, eblake@redhat.com,
Kevin Wolf <kwolf@redhat.com>,
rjones@redhat.com, Max Reitz <mreitz@redhat.com>
Subject: [Qemu-devel] [PATCH v12 02/16] block: Define BDRV_O_SHARE_RW
Date: Mon, 23 Jan 2017 20:30:42 +0800 [thread overview]
Message-ID: <20170123123056.30383-3-famz@redhat.com> (raw)
In-Reply-To: <20170123123056.30383-1-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
---
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
next prev parent reply other threads:[~2017-01-23 12:32 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 12:30 [Qemu-devel] [PATCH v12 00/16] block: Image locking series Fam Zheng
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 01/16] osdep: Add qemu_lock_fd and qemu_unlock_fd Fam Zheng
2017-02-05 21:38 ` Max Reitz
2017-01-23 12:30 ` Fam Zheng [this message]
2017-02-05 21:51 ` [Qemu-devel] [PATCH v12 02/16] block: Define BDRV_O_SHARE_RW Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 03/16] qemu-io: Set "share-rw" flag together with read-only Fam Zheng
2017-02-05 21:52 ` Max Reitz
2017-02-06 4:52 ` Fam Zheng
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 04/16] qemu-img: Set "share-rw" flag in read-only commands Fam Zheng
2017-02-05 21:55 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 05/16] block: Set "share-rw" flag in drive-backup when sync=none Fam Zheng
2017-02-05 21:57 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 06/16] iotests: 055: Don't attach the drive to vm for drive-backup Fam Zheng
2017-02-08 0:06 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 07/16] iotests: 030: Read-only open image for getting map Fam Zheng
2017-02-08 0:11 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 08/16] iotests: 087: Don't attach test image twice Fam Zheng
2017-02-08 0:14 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 09/16] iotests: 085: Avoid image locking conflict Fam Zheng
2017-02-08 0:25 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 10/16] iotests: 091: Quit QEMU before checking image Fam Zheng
2017-02-08 0:32 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 11/16] iotests: 172: Use separate images for multiple devices Fam Zheng
2017-02-08 0:43 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 12/16] tests: Use null-co:// instead of /dev/null as the dummy image Fam Zheng
2017-02-08 0:45 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 13/16] tests: Disable image lock in test-replication Fam Zheng
2017-02-08 0:56 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 14/16] file-posix: Implement image locking Fam Zheng
2017-02-08 3:05 ` Max Reitz
2017-02-08 6:00 ` Fam Zheng
2017-02-08 13:18 ` Max Reitz
2017-02-08 13:40 ` Fam Zheng
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 15/16] qcow2: Force "no other writer" lock on bs->file Fam Zheng
2017-02-08 14:33 ` Max Reitz
2017-02-08 15:00 ` Fam Zheng
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 16/16] tests: Add test-image-lock Fam Zheng
2017-02-08 14:52 ` Max Reitz
2017-02-05 21:58 ` [Qemu-devel] [PATCH v12 00/16] block: Image locking series Max Reitz
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