From: Laszlo Ersek <ler...@redhat.com>
On 08/05/13 15:03, Paolo Bonzini wrote:
>
> [...]
>
> 3) These members are special
>
> .format_name is the string "raw"
> .bdrv_open raw_open should set bs->sg to bs->file->sg and return 0
> .bdrv_close raw_close should do nothing
> .bdrv_probe raw_probe should just return 1.
v1->v2:
On 08/20/13 10:11, Kevin Wolf wrote:
> Am 16.08.2013 um 16:15 hat Laszlo Ersek geschrieben:
>> +static int raw_probe(void)
>> +{
>> + return 1;
>> +}
>
> Maybe add a comment here like "smallest possible positive score so that
> raw is used if and only if no other block driver works".
Signed-off-by: Laszlo Ersek <ler...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
block/raw_bsd.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/block/raw_bsd.c b/block/raw_bsd.c
index 5bcbe71..b1d7209 100644
--- a/block/raw_bsd.c
+++ b/block/raw_bsd.c
@@ -112,3 +112,26 @@ static TYPE raw_create(void)
{
return bdrv_create_file();
}
+
+static const char *raw_format_name(void)
+{
+ return "raw";
+}
+
+static int raw_open(BlockDriverState *bs)
+{
+ bs->sg = bs->file->sg;
+ return 0;
+}
+
+static void raw_close(void)
+{
+}
+
+static int raw_probe(void)
+{
+ /* smallest possible positive score so that raw is used if and only if no
+ * other block driver works
+ */
+ return 1;
+}
--
1.8.1.4
