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target/rd: Allow WriteCacheEnabled=1 operation with rd_mcp backends

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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>
This commit is contained in:
Nicholas Bellinger 2012-08-22 18:53:12 -07:00
parent 852b6ed110
commit a60fbbc446
1 changed files with 1 additions and 0 deletions
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drivers/target/target_core_rd.c
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@ -474,6 +474,7 @@ static int rd_parse_cdb(struct se_cmd *cmd)
static struct se_subsystem_api rd_mcp_template = {
.name = "rd_mcp",
.transport_type = TRANSPORT_PLUGIN_VHBA_VDEV,
.write_cache_emulated = 1,
.attach_hba = rd_attach_hba,
.detach_hba = rd_detach_hba,
.allocate_virtdevice = rd_allocate_virtdevice,