target: Drop se_subsystem_api->[write_cache,fua_write]_emulated flags

This patch drops se_subsystem_api->[write_cache,fua_write]_emulated flags
set by viritual FILEIO/IBLOCK/RD_MCP backend drivers in favor of explict
TRANSPORT_PLUGIN_PHBA_PDEV checks to know when to fail if userspace is
attempting to set virtual emulation bits for an pSCSI (passthrough)
backend device.

Reported-by: Christoph Hellwig <hch@lst.de>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index 941c84bf1065..2acd54018b64 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -13,9 +13,6 @@ struct se_subsystem_api {
 
         u8 transport_type;
 
-        unsigned int fua_write_emulated : 1;
-        unsigned int write_cache_emulated : 1;
-
         int (*attach_hba)(struct se_hba *, u32);
         void (*detach_hba)(struct se_hba *);
         int (*pmode_enable_hba)(struct se_hba *, unsigned long);