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authorMichael Ellerman <mpe@ellerman.id.au>2017-07-31 20:20:29 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2017-07-31 20:20:29 +1000
commitbb272221e9db79f13d454e1f3fb6b05013be985e (patch)
tree36f4acc50e3fabac71fadd34c720c0a6011db470 /drivers/target/target_core_configfs.c
parent253fd51e2f533552ae35a0c661705da6c4842c1b (diff)
parent5771a8c08880cdca3bfb4a3fc6d309d6bba20877 (diff)
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Merge tag 'v4.13-rc1' into fixes
The fixes branch is based off a random pre-rc1 commit, because we had some fixes that needed to go in before rc1 was released. However we now need to fix some code that went in after that point, but before rc1, so merge rc1 to get that code into fixes so we can fix it!
Diffstat (limited to 'drivers/target/target_core_configfs.c')
-rw-r--r--drivers/target/target_core_configfs.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 0326607e5ab8..7e87d952bb7a 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -1085,6 +1085,24 @@ static ssize_t block_size_store(struct config_item *item,
return count;
}
+static ssize_t alua_support_show(struct config_item *item, char *page)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ u8 flags = da->da_dev->transport->transport_flags;
+
+ return snprintf(page, PAGE_SIZE, "%d\n",
+ flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA ? 0 : 1);
+}
+
+static ssize_t pgr_support_show(struct config_item *item, char *page)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ u8 flags = da->da_dev->transport->transport_flags;
+
+ return snprintf(page, PAGE_SIZE, "%d\n",
+ flags & TRANSPORT_FLAG_PASSTHROUGH_PGR ? 0 : 1);
+}
+
CONFIGFS_ATTR(, emulate_model_alias);
CONFIGFS_ATTR(, emulate_dpo);
CONFIGFS_ATTR(, emulate_fua_write);
@@ -1116,6 +1134,8 @@ CONFIGFS_ATTR(, unmap_granularity);
CONFIGFS_ATTR(, unmap_granularity_alignment);
CONFIGFS_ATTR(, unmap_zeroes_data);
CONFIGFS_ATTR(, max_write_same_len);
+CONFIGFS_ATTR_RO(, alua_support);
+CONFIGFS_ATTR_RO(, pgr_support);
/*
* dev_attrib attributes for devices using the target core SBC/SPC
@@ -1154,6 +1174,8 @@ struct configfs_attribute *sbc_attrib_attrs[] = {
&attr_unmap_granularity_alignment,
&attr_unmap_zeroes_data,
&attr_max_write_same_len,
+ &attr_alua_support,
+ &attr_pgr_support,
NULL,
};
EXPORT_SYMBOL(sbc_attrib_attrs);
@@ -1168,6 +1190,8 @@ struct configfs_attribute *passthrough_attrib_attrs[] = {
&attr_hw_block_size,
&attr_hw_max_sectors,
&attr_hw_queue_depth,
+ &attr_alua_support,
+ &attr_pgr_support,
NULL,
};
EXPORT_SYMBOL(passthrough_attrib_attrs);
@@ -2236,7 +2260,11 @@ static void target_core_dev_release(struct config_item *item)
target_free_device(dev);
}
-static struct configfs_item_operations target_core_dev_item_ops = {
+/*
+ * Used in target_core_fabric_configfs.c to verify valid se_device symlink
+ * within target_fabric_port_link()
+ */
+struct configfs_item_operations target_core_dev_item_ops = {
.release = target_core_dev_release,
};