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authorAndy Grover <agrover@redhat.com>2013-04-30 11:59:15 -0700
committerNicholas Bellinger <nab@linux-iscsi.org>2013-05-03 16:46:02 -0700
commit64146db71e1aab919a3861d4ac958086da3a0973 (patch)
tree2cbe188952f768ac04b513a19b6245b943429d55 /drivers/target
parente3e84cda321703b123f36488f50700f371bc7230 (diff)
target: Have dev/enable show if TCM device is configured
User tools need to know if the device is properly configured, since if not, some other attributes are invalid. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/target_core_configfs.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 43b7ac6c5b1c..4a8bd36d3958 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -1584,6 +1584,13 @@ static struct target_core_configfs_attribute target_core_attr_dev_udev_path = {
.store = target_core_store_dev_udev_path,
};
+static ssize_t target_core_show_dev_enable(void *p, char *page)
+{
+ struct se_device *dev = p;
+
+ return snprintf(page, PAGE_SIZE, "%d\n", !!(dev->dev_flags & DF_CONFIGURED));
+}
+
static ssize_t target_core_store_dev_enable(
void *p,
const char *page,
@@ -1609,8 +1616,8 @@ static ssize_t target_core_store_dev_enable(
static struct target_core_configfs_attribute target_core_attr_dev_enable = {
.attr = { .ca_owner = THIS_MODULE,
.ca_name = "enable",
- .ca_mode = S_IWUSR },
- .show = NULL,
+ .ca_mode = S_IRUGO | S_IWUSR },
+ .show = target_core_show_dev_enable,
.store = target_core_store_dev_enable,
};