diff options
Diffstat (limited to 'drivers/nvme/target')
| -rw-r--r-- | drivers/nvme/target/configfs.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index 24eb4cf53b4f..17c529260e12 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -540,6 +540,31 @@ static ssize_t nvmet_ns_buffered_io_store(struct config_item *item, CONFIGFS_ATTR(nvmet_ns_, buffered_io); +static ssize_t nvmet_ns_revalidate_size_store(struct config_item *item, + const char *page, size_t count) +{ + struct nvmet_ns *ns = to_nvmet_ns(item); + bool val; + + if (strtobool(page, &val)) + return -EINVAL; + + if (!val) + return -EINVAL; + + mutex_lock(&ns->subsys->lock); + if (!ns->enabled) { + pr_err("enable ns before revalidate.\n"); + mutex_unlock(&ns->subsys->lock); + return -EINVAL; + } + nvmet_ns_revalidate(ns); + mutex_unlock(&ns->subsys->lock); + return count; +} + +CONFIGFS_ATTR_WO(nvmet_ns_, revalidate_size); + static struct configfs_attribute *nvmet_ns_attrs[] = { &nvmet_ns_attr_device_path, &nvmet_ns_attr_device_nguid, @@ -547,6 +572,7 @@ static struct configfs_attribute *nvmet_ns_attrs[] = { &nvmet_ns_attr_ana_grpid, &nvmet_ns_attr_enable, &nvmet_ns_attr_buffered_io, + &nvmet_ns_attr_revalidate_size, #ifdef CONFIG_PCI_P2PDMA &nvmet_ns_attr_p2pmem, #endif |