diff options
Diffstat (limited to 'drivers/target/target_core_user.c')
| -rw-r--r-- | drivers/target/target_core_user.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 0c797cc69d9e..ae918222284b 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -1562,6 +1562,7 @@ static ssize_t tcmu_emulate_write_cache_store(struct config_item *item, { struct se_dev_attrib *da = container_of(to_config_group(item), struct se_dev_attrib, da_group); + struct tcmu_dev *udev = TCMU_DEV(da->da_dev); int val; int ret; @@ -1570,6 +1571,17 @@ static ssize_t tcmu_emulate_write_cache_store(struct config_item *item, return ret; da->emulate_write_cache = val; + + /* Check if device has been configured before */ + if (tcmu_dev_configured(udev)) { + ret = tcmu_netlink_event(TCMU_CMD_RECONFIG_DEVICE, + udev->uio_info.name, + udev->uio_info.uio_dev->minor); + if (ret) { + pr_err("Unable to reconfigure device\n"); + return ret; + } + } return count; } CONFIGFS_ATTR(tcmu_, emulate_write_cache); |