diff options
| -rw-r--r-- | drivers/target/target_core_configfs.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 37c4bf3be43a..801efa892046 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -122,9 +122,47 @@ static struct config_group *target_core_register_fabric( const char *name) { struct target_fabric_configfs *tf; + int ret; pr_debug("Target_Core_ConfigFS: REGISTER -> group: %p name:" " %s\n", group, name); + /* + * Below are some hardcoded request_module() calls to automatically + * local fabric modules when the following is called: + * + * mkdir -p /sys/kernel/config/target/$MODULE_NAME + * + * Note that this does not limit which TCM fabric module can be + * registered, but simply provids auto loading logic for modules with + * mkdir(2) system calls with known TCM fabric modules. + */ + if (!strncmp(name, "iscsi", 5)) { + /* + * Automatically load the LIO Target fabric module when the + * following is called: + * + * mkdir -p $CONFIGFS/target/iscsi + */ + ret = request_module("iscsi_target_mod"); + if (ret < 0) { + pr_err("request_module() failed for" + " iscsi_target_mod.ko: %d\n", ret); + return ERR_PTR(-EINVAL); + } + } else if (!strncmp(name, "loopback", 8)) { + /* + * Automatically load the tcm_loop fabric module when the + * following is called: + * + * mkdir -p $CONFIGFS/target/loopback + */ + ret = request_module("tcm_loop"); + if (ret < 0) { + pr_err("request_module() failed for" + " tcm_loop.ko: %d\n", ret); + return ERR_PTR(-EINVAL); + } + } tf = target_core_get_fabric(name); if (!tf) { |