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iscsi: set limits in BlockDriverState

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Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Peter Lieven 2013-10-24 12:07:00 +02:00 • committed by Kevin Wolf
parent 6f14da5247
commit ba6c59191f
1 changed files with 14 additions and 0 deletions
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14
block/iscsi.c
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@ -1384,6 +1384,20 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
sizeof(struct scsi_inquiry_block_limits));
scsi_free_scsi_task(task);
task = NULL;
if (iscsilun->bl.max_unmap < 0xffffffff) {
bs->bl.max_discard = sector_lun2qemu(iscsilun->bl.max_unmap,
iscsilun);
}
bs->bl.discard_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran,
iscsilun);
if (iscsilun->bl.max_ws_len < 0xffffffff) {
bs->bl.max_write_zeroes = sector_lun2qemu(iscsilun->bl.max_ws_len,
iscsilun);
}
bs->bl.write_zeroes_alignment = sector_lun2qemu(iscsilun->bl.opt_unmap_gran,
iscsilun);
}
#if defined(LIBISCSI_FEATURE_NOP_COUNTER)