42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
From b360ba5cd93cbc30940538ce038b856ed8f72dd3 Mon Sep 17 00:00:00 2001
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From: Peter Lieven <pl@dlhnet.de>
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Date: Sat, 17 Nov 2012 16:20:28 +0100
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Subject: [PATCH] iscsi: do not assume device is zero initialized
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Without any complex checks we can't assume that an
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iscsi target is initialized to zero.
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Signed-off-by: Peter Lieven <pl@kamp.de>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit f807ecd5741325fe0d281199ff22cdda0acb6a7a)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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block/iscsi.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/block/iscsi.c b/block/iscsi.c
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index 1836c71..11fd37e 100644
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--- a/block/iscsi.c
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+++ b/block/iscsi.c
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@@ -955,6 +955,11 @@ static void iscsi_close(BlockDriverState *bs)
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memset(iscsilun, 0, sizeof(IscsiLun));
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}
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+static int iscsi_has_zero_init(BlockDriverState *bs)
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+{
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+ return 0;
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+}
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+
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static BlockDriver bdrv_iscsi = {
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.format_name = "iscsi",
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.protocol_name = "iscsi",
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@@ -970,6 +975,7 @@ static BlockDriver bdrv_iscsi = {
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.bdrv_aio_flush = iscsi_aio_flush,
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.bdrv_aio_discard = iscsi_aio_discard,
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+ .bdrv_has_zero_init = iscsi_has_zero_init,
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#ifdef __linux__
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.bdrv_ioctl = iscsi_ioctl,
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