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From 59e64d4b4ebda3ec50e4f962f44fb31d5ff5fa86 Mon Sep 17 00:00:00 2001
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From: Jeffrey Cody <jcody@redhat.com>
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Date: Wed, 20 Nov 2013 19:43:50 +0100
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Subject: [PATCH 07/25] block: vhdx - minor comments and typo correction.
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RH-Author: Jeffrey Cody <jcody@redhat.com>
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Message-id: <132355fbfb44520bc218abfdd3e67f9a18201cf6.1384975172.git.jcody@redhat.com>
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Patchwork-id: 55800
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O-Subject: [RHEL7 qemu-kvm PATCH 07/26] block: vhdx - minor comments and typo correction.
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Bugzilla: 879234
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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Just a couple of minor comments to help note where allocated
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buffers are freed, and a typo fix.
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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(cherry picked from commit 6e9d290bf62406098ca3d7bf3796463681ed3c39)
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---
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block/vhdx.c | 6 ++++--
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block/vhdx.h | 6 +++---
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2 files changed, 7 insertions(+), 5 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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block/vhdx.c | 6 ++++--
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block/vhdx.h | 6 +++---
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2 files changed, 7 insertions(+), 5 deletions(-)
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diff --git a/block/vhdx.c b/block/vhdx.c
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index 41c3065..23be4e3 100644
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--- a/block/vhdx.c
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+++ b/block/vhdx.c
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@@ -6,9 +6,9 @@
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* Authors:
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* Jeff Cody <jcody@redhat.com>
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*
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- * This is based on the "VHDX Format Specification v0.95", published 4/12/2012
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+ * This is based on the "VHDX Format Specification v1.00", published 8/25/2012
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* by Microsoft:
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- * https://www.microsoft.com/en-us/download/details.aspx?id=29681
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+ * https://www.microsoft.com/en-us/download/details.aspx?id=34750
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*
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* This work is licensed under the terms of the GNU LGPL, version 2 or later.
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* See the COPYING.LIB file in the top-level directory.
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@@ -264,6 +264,7 @@ static int vhdx_parse_header(BlockDriverState *bs, BDRVVHDXState *s)
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uint64_t h2_seq = 0;
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uint8_t *buffer;
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+ /* header1 & header2 are freed in vhdx_close() */
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header1 = qemu_blockalign(bs, sizeof(VHDXHeader));
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header2 = qemu_blockalign(bs, sizeof(VHDXHeader));
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@@ -790,6 +791,7 @@ static int vhdx_open(BlockDriverState *bs, QDict *options, int flags,
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goto fail;
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}
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+ /* s->bat is freed in vhdx_close() */
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s->bat = qemu_blockalign(bs, s->bat_rt.length);
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ret = bdrv_pread(bs->file, s->bat_offset, s->bat, s->bat_rt.length);
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diff --git a/block/vhdx.h b/block/vhdx.h
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index c3b64c6..1dbb320 100644
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--- a/block/vhdx.h
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+++ b/block/vhdx.h
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@@ -6,9 +6,9 @@
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* Authors:
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* Jeff Cody <jcody@redhat.com>
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*
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- * This is based on the "VHDX Format Specification v0.95", published 4/12/2012
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+ * This is based on the "VHDX Format Specification v1.00", published 8/25/2012
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* by Microsoft:
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- * https://www.microsoft.com/en-us/download/details.aspx?id=29681
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+ * https://www.microsoft.com/en-us/download/details.aspx?id=34750
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*
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* This work is licensed under the terms of the GNU LGPL, version 2 or later.
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* See the COPYING.LIB file in the top-level directory.
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@@ -116,7 +116,7 @@ typedef struct QEMU_PACKED VHDXHeader {
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valid. */
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uint16_t log_version; /* version of the log format. Mustn't be
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zero, unless log_guid is also zero */
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- uint16_t version; /* version of th evhdx file. Currently,
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+ uint16_t version; /* version of the vhdx file. Currently,
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only supported version is "1" */
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uint32_t log_length; /* length of the log. Must be multiple
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of 1MB */
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--
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1.7.1
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