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[v12,02/16] block: Define BDRV_O_SHARE_RW

Message ID 20170123123056.30383-3-famz@redhat.com
State New
Headers show

Commit Message

Fam Zheng Jan. 23, 2017, 12:30 p.m. UTC 
Signed-off-by: Fam Zheng <famz@redhat.com>
---
 include/block/block.h | 2 ++
 1 file changed, 2 insertions(+)

Comments

Max Reitz Feb. 5, 2017, 9:51 p.m. UTC | #1 
On 23.01.2017 13:30, Fam Zheng wrote:
> 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)

Reviewed-by: Max Reitz <mreitz@redhat.com>
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Patch

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)