|
 |
9ae3a8 |
From 6c316a417a80fcf892935c51eb01c0e273561b32 Mon Sep 17 00:00:00 2001
|
|
|
9ae3a8 |
From: Max Reitz <mreitz@redhat.com>
|
|
|
9ae3a8 |
Date: Mon, 13 Mar 2017 17:47:04 +0100
|
|
|
9ae3a8 |
Subject: [PATCH 16/24] blkdebug: Add bdrv_truncate()
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
RH-Author: Max Reitz <mreitz@redhat.com>
|
|
|
9ae3a8 |
Message-id: <20170313174706.29316-1-mreitz@redhat.com>
|
|
|
9ae3a8 |
Patchwork-id: 74278
|
|
|
9ae3a8 |
O-Subject: [RHEL-7.4 qemu-kvm PATCH 7/9] blkdebug: Add bdrv_truncate()
|
|
|
9ae3a8 |
Bugzilla: 1427176
|
|
|
9ae3a8 |
RH-Acked-by: Fam Zheng <famz@redhat.com>
|
|
|
9ae3a8 |
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
|
9ae3a8 |
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
From: Kevin Wolf <kwolf@redhat.com>
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
This is, amongst others, required for qemu-iotests 033 to run as
|
|
|
9ae3a8 |
intended on VHDX, which uses explicit bdrv_truncate() calls to bs->file
|
|
|
9ae3a8 |
when allocating new blocks.
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
|
|
|
9ae3a8 |
Reviewed-by: Jeff Cody <jcody@redhat.com>
|
|
|
9ae3a8 |
(cherry picked from commit 8eedfbd4a50299f03b3630659c34ad1b01f69370)
|
|
|
9ae3a8 |
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
Conflicts:
|
|
|
9ae3a8 |
block/blkdebug.c
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
Contextual conflict due to blkdebug_refresh_filename() missing from
|
|
|
9ae3a8 |
downstream.
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
Signed-off-by: Max Reitz <mreitz@redhat.com>
|
|
|
9ae3a8 |
---
|
|
|
9ae3a8 |
block/blkdebug.c | 6 ++++++
|
|
|
9ae3a8 |
1 file changed, 6 insertions(+)
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
diff --git a/block/blkdebug.c b/block/blkdebug.c
|
|
|
9ae3a8 |
index 8e468b2..7cfeccb 100644
|
|
|
9ae3a8 |
--- a/block/blkdebug.c
|
|
|
9ae3a8 |
+++ b/block/blkdebug.c
|
|
|
9ae3a8 |
@@ -652,6 +652,11 @@ static int64_t blkdebug_getlength(BlockDriverState *bs)
|
|
|
9ae3a8 |
return bdrv_getlength(bs->file);
|
|
|
9ae3a8 |
}
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
+static int blkdebug_truncate(BlockDriverState *bs, int64_t offset)
|
|
|
9ae3a8 |
+{
|
|
|
9ae3a8 |
+ return bdrv_truncate(bs->file, offset);
|
|
|
9ae3a8 |
+}
|
|
|
9ae3a8 |
+
|
|
|
9ae3a8 |
static BlockDriver bdrv_blkdebug = {
|
|
|
9ae3a8 |
.format_name = "blkdebug",
|
|
|
9ae3a8 |
.protocol_name = "blkdebug",
|
|
|
9ae3a8 |
@@ -661,6 +666,7 @@ static BlockDriver bdrv_blkdebug = {
|
|
|
9ae3a8 |
.bdrv_file_open = blkdebug_open,
|
|
|
9ae3a8 |
.bdrv_close = blkdebug_close,
|
|
|
9ae3a8 |
.bdrv_getlength = blkdebug_getlength,
|
|
|
9ae3a8 |
+ .bdrv_truncate = blkdebug_truncate,
|
|
|
9ae3a8 |
|
|
|
9ae3a8 |
.bdrv_aio_readv = blkdebug_aio_readv,
|
|
|
9ae3a8 |
.bdrv_aio_writev = blkdebug_aio_writev,
|
|
|
9ae3a8 |
--
|
|
|
9ae3a8 |
1.8.3.1
|
|
|
9ae3a8 |
|