block/curl: Implement bdrv_refresh_filename()
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20190201192935.18394-29-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
diff --git a/block/curl.c b/block/curl.c
index 2c07a69..606709f 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -950,6 +950,23 @@
return s->len;
}
+static void curl_refresh_filename(BlockDriverState *bs)
+{
+ BDRVCURLState *s = bs->opaque;
+
+ /* "readahead" and "timeout" do not change the guest-visible data,
+ * so ignore them */
+ if (s->sslverify != CURL_BLOCK_OPT_SSLVERIFY_DEFAULT ||
+ s->cookie || s->username || s->password || s->proxyusername ||
+ s->proxypassword)
+ {
+ return;
+ }
+
+ pstrcpy(bs->exact_filename, sizeof(bs->exact_filename), s->url);
+}
+
+
static const char *const curl_strong_runtime_opts[] = {
CURL_BLOCK_OPT_URL,
CURL_BLOCK_OPT_SSLVERIFY,
@@ -978,6 +995,7 @@
.bdrv_detach_aio_context = curl_detach_aio_context,
.bdrv_attach_aio_context = curl_attach_aio_context,
+ .bdrv_refresh_filename = curl_refresh_filename,
.strong_runtime_opts = curl_strong_runtime_opts,
};
@@ -996,6 +1014,7 @@
.bdrv_detach_aio_context = curl_detach_aio_context,
.bdrv_attach_aio_context = curl_attach_aio_context,
+ .bdrv_refresh_filename = curl_refresh_filename,
.strong_runtime_opts = curl_strong_runtime_opts,
};
@@ -1014,6 +1033,7 @@
.bdrv_detach_aio_context = curl_detach_aio_context,
.bdrv_attach_aio_context = curl_attach_aio_context,
+ .bdrv_refresh_filename = curl_refresh_filename,
.strong_runtime_opts = curl_strong_runtime_opts,
};
@@ -1032,6 +1052,7 @@
.bdrv_detach_aio_context = curl_detach_aio_context,
.bdrv_attach_aio_context = curl_attach_aio_context,
+ .bdrv_refresh_filename = curl_refresh_filename,
.strong_runtime_opts = curl_strong_runtime_opts,
};