Re: [PATCH 4/7] copy-on-read: Support refreshing filename

[Vladimir Sementsov-Ogievskiy]

Some information about why we need it would be nice.

Still I see same function in commit.c, so most probably it's OK.


20.04.2020 21:36, Andrey Shinkevich wrote:

Signed-off-by: Andrey Shinkevich <andrey.shinkev...@virtuozzo.com>
---
  block/copy-on-read.c | 7 +++++++
  1 file changed, 7 insertions(+)

diff --git a/block/copy-on-read.c b/block/copy-on-read.c
index ad6577d..e45eab9 100644
--- a/block/copy-on-read.c
+++ b/block/copy-on-read.c
@@ -21,6 +21,7 @@
   */

#include "qemu/osdep.h"

+#include "qemu/cutils.h"
  #include "block/block_int.h"
  #include "qemu/module.h"

@@ -141,6 +142,11 @@ static bool cor_recurse_is_first_non_filter(BlockDriverState *bs,

      return bdrv_recurse_is_first_non_filter(bs->file->bs, candidate);
  }

+static void cor_refresh_filename(BlockDriverState *bs)

+{
+    pstrcpy(bs->exact_filename, sizeof(bs->exact_filename),
+            bs->file->bs->filename);
+}

static BlockDriver bdrv_copy_on_read = {

      .format_name                        = "copy-on-read",
@@ -161,6 +167,7 @@ static BlockDriver bdrv_copy_on_read = {
      .bdrv_lock_medium                   = cor_lock_medium,

.bdrv_recurse_is_first_non_filter = cor_recurse_is_first_non_filter,

+    .bdrv_refresh_filename              = cor_refresh_filename,

.has_variable_length = true,

      .is_filter                          = true,

--
Best regards,
Vladimir