IB/iser: Enable SG clustering
iser is perfectly capable supporting SG clustering as it translates the SG list to a page vector. Enabling SG clustering can dramatically reduce the number of SG elements, which doesn't make much of a difference at this point, but with arbitrary SG list support, reducing the number of SG elements can benefit greatly as as it would reduce the length of the HW descriptors array. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -986,7 +986,7 @@ static struct scsi_host_template iscsi_iser_sht = {
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.eh_device_reset_handler= iscsi_eh_device_reset,
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.eh_target_reset_handler = iscsi_eh_recover_target,
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.target_alloc = iscsi_target_alloc,
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.use_clustering = DISABLE_CLUSTERING,
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.use_clustering = ENABLE_CLUSTERING,
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.slave_alloc = iscsi_iser_slave_alloc,
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.proc_name = "iscsi_iser",
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.this_id = -1,
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