target/rd: Allow WriteCacheEnabled=1 operation with rd_mcp backends
This patch adds the missing rd_mcp_template->write_cache_emulated=1 bit to optionally allow WriteCacheEnabled=1 (WCE) to be enabled for the built-in TCM/rd_mcp backend driver. Tested on v3.6-rc[0,2] code with loopback+tcm_vhost fabric ports. Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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@ -474,6 +474,7 @@ static int rd_parse_cdb(struct se_cmd *cmd)
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static struct se_subsystem_api rd_mcp_template = {
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.name = "rd_mcp",
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.transport_type = TRANSPORT_PLUGIN_VHBA_VDEV,
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.write_cache_emulated = 1,
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.attach_hba = rd_attach_hba,
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.detach_hba = rd_detach_hba,
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.allocate_virtdevice = rd_allocate_virtdevice,
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