|
From: | Eric Blake |
Subject: | Re: [PATCH 2/6] vmdk: Fix zero cluster allocation |
Date: | Thu, 30 Apr 2020 09:19:26 -0500 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 |
On 4/30/20 8:30 AM, Kevin Wolf wrote:
m_data must be contain valid data even for zero clusters when no cluster was allocated in the image file. Without this, zero writes segfault with images that have zeroed_grain=on.
zero_grained=on ?
For zero writes, we don't want to allocate a cluster in the image file even in compressed files. Fixes: 524089bce43fd1cd3daaca979872451efa2cf7c6 Signed-off-by: Kevin Wolf <address@hidden> --- block/vmdk.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-)
-- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org
[Prev in Thread] | Current Thread | [Next in Thread] |