[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-block] [PATCH v3 3/5] block/null: Implement bdrv_refresh_filename(
From: |
Max Reitz |
Subject: |
[Qemu-block] [PATCH v3 3/5] block/null: Implement bdrv_refresh_filename() |
Date: |
Fri, 10 Jun 2016 20:57:48 +0200 |
Signed-off-by: Max Reitz <address@hidden>
---
block/null.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/block/null.c b/block/null.c
index 396500b..b511010 100644
--- a/block/null.c
+++ b/block/null.c
@@ -12,6 +12,8 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qstring.h"
#include "block/block_int.h"
#define NULL_OPT_LATENCY "latency-ns"
@@ -223,6 +225,20 @@ static int64_t coroutine_fn
null_co_get_block_status(BlockDriverState *bs,
}
}
+static void null_refresh_filename(BlockDriverState *bs, QDict *opts)
+{
+ QINCREF(opts);
+ qdict_del(opts, "filename");
+
+ if (!qdict_size(opts)) {
+ snprintf(bs->exact_filename, sizeof(bs->exact_filename), "%s://",
+ bs->drv->format_name);
+ }
+
+ qdict_put(opts, "driver", qstring_from_str(bs->drv->format_name));
+ bs->full_open_options = opts;
+}
+
static BlockDriver bdrv_null_co = {
.format_name = "null-co",
.protocol_name = "null-co",
@@ -238,6 +254,8 @@ static BlockDriver bdrv_null_co = {
.bdrv_reopen_prepare = null_reopen_prepare,
.bdrv_co_get_block_status = null_co_get_block_status,
+
+ .bdrv_refresh_filename = null_refresh_filename,
};
static BlockDriver bdrv_null_aio = {
@@ -255,6 +273,8 @@ static BlockDriver bdrv_null_aio = {
.bdrv_reopen_prepare = null_reopen_prepare,
.bdrv_co_get_block_status = null_co_get_block_status,
+
+ .bdrv_refresh_filename = null_refresh_filename,
};
static void bdrv_null_init(void)
--
2.8.3
- [Qemu-block] [PATCH v3 0/5] block/mirror: Fix (?) target backing BDS, Max Reitz, 2016/06/10
- [Qemu-block] [PATCH v3 1/5] block: Allow replacement of a BDS by its overlay, Max Reitz, 2016/06/10
- [Qemu-block] [PATCH v3 4/5] iotests: Add test for post-mirror backing chains, Max Reitz, 2016/06/10
- [Qemu-block] [PATCH v3 5/5] iotests: Add test for oVirt-like storage migration, Max Reitz, 2016/06/10
- [Qemu-block] [PATCH v3 2/5] block/mirror: Fix target backing BDS, Max Reitz, 2016/06/10
- [Qemu-block] [PATCH v3 3/5] block/null: Implement bdrv_refresh_filename(),
Max Reitz <=
- Re: [Qemu-block] [PATCH v3 0/5] block/mirror: Fix (?) target backing BDS, Fam Zheng, 2016/06/12
- Re: [Qemu-block] [PATCH v3 0/5] block/mirror: Fix (?) target backing BDS, Kevin Wolf, 2016/06/13
- Re: [Qemu-block] [PATCH v3 0/5] block/mirror: Fix (?) target backing BDS, Max Reitz, 2016/06/14