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target: Add device attribute to expose config_item_name for INQUIRY model

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This patch changes LIO to use the configfs backend device name as the
model if you echo '1' to an individual device's emulate_model_alias attribute.
This is a valid operation only on devices with an export count of 0.

Signed-off-by: Tregaron Bayly <tbayly@bluehost.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Tregaron Bayly
2013-01-31 15:30:24 -07:00
committed by Nicholas Bellinger
parent 0e48e7a5a3
commit adfa9570a5
4 changed files with 47 additions and 0 deletions
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3
include/target/target_core_base.h
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@@ -75,6 +75,8 @@
#define DA_MAX_WRITE_SAME_LEN 0
/* Default max transfer length */
#define DA_FABRIC_MAX_SECTORS 8192
/* Use a model alias based on the configfs backend device name */
#define DA_EMULATE_MODEL_ALIAS 0
/* Emulation for Direct Page Out */
#define DA_EMULATE_DPO 0
/* Emulation for Forced Unit Access WRITEs */
@@ -591,6 +593,7 @@ struct se_dev_entry {
};
struct se_dev_attrib {
int emulate_model_alias;
int emulate_dpo;
int emulate_fua_write;
int emulate_fua_read;