staging: lustre: use module_name() macro for debug printf

We now allow lustre to be built when CONFIG_MODULES is disabled,
but that causes a build failure:

In file included from drivers/staging/lustre/include/linux/libcfs/libcfs.h:42,
                 from drivers/staging/lustre/lustre/obdclass/lu_object.c:44:
drivers/staging/lustre/lustre/obdclass/lu_object.c: In function 'lu_context_key_degister':
drivers/staging/lustre/lustre/obdclass/lu_object.c:1410:51: error: dereferencing pointer to incomplete type 'struct module'

This particular case can be avoided by using the module_name()
macro that was designed exactly to handle printing the name of
a module in all configurations.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/obdclass/lu_object.c b/drivers/staging/lustre/lustre/obdclass/lu_object.c
index 8ddf23b..3ae16e8 100644 (file)
--- a/drivers/staging/lustre/lustre/obdclass/lu_object.c
+++ b/drivers/staging/lustre/lustre/obdclass/lu_object.c
@@ -1407,7 +1407,7 @@ void lu_context_key_degister(struct lu_context_key *key)
        while (atomic_read(&key->lct_used) > 1) {
                spin_unlock(&lu_keys_guard);
                CDEBUG(D_INFO, "%s: \"%s\" %p, %d\n",
-                      __func__, key->lct_owner ? key->lct_owner->name : "",
+                      __func__, module_name(key->lct_owner),
                       key, atomic_read(&key->lct_used));
                schedule();
                spin_lock(&lu_keys_guard);
@@ -1547,7 +1547,7 @@ void lu_context_key_quiesce(struct lu_context_key *key)
                        spin_unlock(&lu_keys_guard);
                        CDEBUG(D_INFO, "%s: \"%s\" %p, %d (%d)\n",
                               __func__,
-                              key->lct_owner ? key->lct_owner->name : "",
+                              module_name(key->lct_owner),
                               key, atomic_read(&key->lct_used),
                        atomic_read(&lu_key_initing_cnt));
                        schedule();