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From 36fb92fbc1edd351b923199559a0a923da9f72c4 Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Tue, 29 Nov 2011 12:41:35 +0100
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Subject: [PATCH 30/37] iscsi: Set bs->request_alignment
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Message-id: <1392117622-28812-31-git-send-email-kwolf@redhat.com>
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Patchwork-id: 57195
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O-Subject: [RHEL-7.0 qemu-kvm PATCH v2 30/37] iscsi: Set bs->request_alignment
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Bugzilla: 748906
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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From: Paolo Bonzini <pbonzini@redhat.com>
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The iSCSI backend already gets the block size from the READ CAPACITY
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command it sends. Save it so that the generic block layer gets it
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too.
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Reviewed-by: Max Reitz <mreitz@redhat.com>
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(cherry picked from commit 2c9880c45e2f9a98d11d44ce9966515c23870a86)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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---
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block/iscsi.c | 1 +
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1 file changed, 1 insertion(+)
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---
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block/iscsi.c | 1 +
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1 files changed, 1 insertions(+), 0 deletions(-)
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diff --git a/block/iscsi.c b/block/iscsi.c
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index 83e4f15..63a21e2 100644
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--- a/block/iscsi.c
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+++ b/block/iscsi.c
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@@ -1397,6 +1397,7 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
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goto out;
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}
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bs->total_sectors = sector_lun2qemu(iscsilun->num_blocks, iscsilun);
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+ bs->request_alignment = iscsilun->block_size;
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/* Medium changer or tape. We dont have any emulation for this so this must
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* be sg ioctl compatible. We force it to be sg, otherwise qemu will try
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--
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1.7.1
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