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iscsi: Set bs->request_alignment

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The iSCSI backend already gets the block size from the READ CAPACITY
command it sends.  Save it so that the generic block layer gets it
too.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Paolo Bonzini 2011-11-29 12:41:35 +01:00 committed by Kevin Wolf
parent 8407d5d7e2
commit 2c9880c45e
1 changed files with 1 additions and 0 deletions
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block/iscsi.c
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@ -1217,6 +1217,7 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
goto out;
}
bs->total_sectors = sector_lun2qemu(iscsilun->num_blocks, iscsilun);
bs->request_alignment = iscsilun->block_size;
/* Medium changer or tape. We dont have any emulation for this so this must
* be sg ioctl compatible. We force it to be sg, otherwise qemu will try