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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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drivers/target/target_core_configfs.c
+4
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@@ -609,6 +609,9 @@ static struct target_core_dev_attrib_attribute \
__CONFIGFS_EATTR_RO(_name, \
target_core_dev_show_attr_##_name);
DEF_DEV_ATTRIB(emulate_model_alias);
SE_DEV_ATTR(emulate_model_alias, S_IRUGO | S_IWUSR);
DEF_DEV_ATTRIB(emulate_dpo);
SE_DEV_ATTR(emulate_dpo, S_IRUGO | S_IWUSR);
@@ -681,6 +684,7 @@ SE_DEV_ATTR(max_write_same_len, S_IRUGO | S_IWUSR);
CONFIGFS_EATTR_OPS(target_core_dev_attrib, se_dev_attrib, da_group);
static struct configfs_attribute *target_core_dev_attrib_attrs[] = {
&target_core_dev_attrib_emulate_model_alias.attr,
&target_core_dev_attrib_emulate_dpo.attr,
&target_core_dev_attrib_emulate_fua_write.attr,
&target_core_dev_attrib_emulate_fua_read.attr,