Commit 64146db71e1aab919a3861d4ac958086da3a0973

Authored by Andy Grover
Committed by Nicholas Bellinger
1 parent e3e84cda32

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>

Showing 1 changed file with 9 additions and 2 deletions Side-by-side Diff

drivers/target/target_core_configfs.c
... ... @@ -1584,6 +1584,13 @@
1584 1584 .store = target_core_store_dev_udev_path,
1585 1585 };
1586 1586  
  1587 +static ssize_t target_core_show_dev_enable(void *p, char *page)
  1588 +{
  1589 + struct se_device *dev = p;
  1590 +
  1591 + return snprintf(page, PAGE_SIZE, "%d\n", !!(dev->dev_flags & DF_CONFIGURED));
  1592 +}
  1593 +
1587 1594 static ssize_t target_core_store_dev_enable(
1588 1595 void *p,
1589 1596 const char *page,
... ... @@ -1609,8 +1616,8 @@
1609 1616 static struct target_core_configfs_attribute target_core_attr_dev_enable = {
1610 1617 .attr = { .ca_owner = THIS_MODULE,
1611 1618 .ca_name = "enable",
1612   - .ca_mode = S_IWUSR },
1613   - .show = NULL,
  1619 + .ca_mode = S_IRUGO | S_IWUSR },
  1620 + .show = target_core_show_dev_enable,
1614 1621 .store = target_core_store_dev_enable,
1615 1622 };
1616 1623