LU-8066 llite: move /proc/fs/lustre/llite/statahead_{max, agl} to sysfs

[fs/lustre-release.git] / lustre / llite / lcommon_misc.c

diff --git a/lustre/llite/lcommon_misc.c b/lustre/llite/lcommon_misc.c
index 5f7eaaf..5869d94 100644 (file)
--- a/lustre/llite/lcommon_misc.c
+++ b/lustre/llite/lcommon_misc.c
@@ -15,11 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -27,16 +23,16 @@
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2015, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
  * Lustre is a trademark of Sun Microsystems, Inc.
  *
- * cl code shared between vvp and liblustre (and other Lustre clients in the
- * future).
+ * cl code used by vvp (and other Lustre clients in the future).
  *
  */
+#define DEBUG_SUBSYSTEM S_LLITE
 #include <obd_class.h>
 #include <obd_support.h>
 #include <obd.h>
@@ -78,14 +74,12 @@ static int cl_init_ea_size(struct obd_export *md_exp, struct obd_export *dt_exp)
 }
 
 /**
- * This function is used as an upcall-callback hooked by liblustre and llite
- * clients into obd_notify() listeners chain to handle notifications about
- * change of import connect_flags. See llu_fsswop_mount() and
- * lustre_common_fill_super().
+ * This function is used as an upcall-callback hooked llite clients
+ * into obd_notify() listeners chain to handle notifications about
+ * change of import connect_flags. See lustre_common_fill_super().
  */
-int cl_ocd_update(struct obd_device *host,
-                  struct obd_device *watched,
-                  enum obd_notify_event ev, void *owner, void *data)
+int cl_ocd_update(struct obd_device *host, struct obd_device *watched,
+                 enum obd_notify_event ev, void *owner)
 {
         struct lustre_client_ocd *lco;
         struct client_obd        *cli;
@@ -93,11 +87,12 @@ int cl_ocd_update(struct obd_device *host,
         int   result;
 
         ENTRY;
-        if (!strcmp(watched->obd_type->typ_name, LUSTRE_OSC_NAME)) {
+       if (!strcmp(watched->obd_type->typ_name, LUSTRE_OSC_NAME) &&
+           watched->obd_set_up && !watched->obd_stopping) {
                 cli = &watched->u.cli;
                 lco = owner;
                 flags = cli->cl_import->imp_connect_data.ocd_connect_flags;
-                CDEBUG(D_SUPER, "Changing connect_flags: "LPX64" -> "LPX64"\n",
+               CDEBUG(D_SUPER, "Changing connect_flags: %#llx -> %#llx\n",
                        lco->lco_flags, flags);
                mutex_lock(&lco->lco_lock);
                 lco->lco_flags &= flags;
@@ -108,10 +103,12 @@ int cl_ocd_update(struct obd_device *host,
                mutex_unlock(&lco->lco_lock);
                 result = 0;
         } else {
-                CERROR("unexpected notification from %s %s!\n",
-                       watched->obd_type->typ_name,
-                       watched->obd_name);
-                result = -EINVAL;
+               CERROR("unexpected notification from %s %s"
+                      "(setup:%d,stopping:%d)!\n",
+                      watched->obd_type->typ_name,
+                      watched->obd_name, watched->obd_set_up,
+                      watched->obd_stopping);
+               result = -EINVAL;
         }
         RETURN(result);
 }
@@ -126,7 +123,7 @@ int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
         struct cl_lock         *lock;
         struct cl_lock_descr   *descr;
         __u32                   enqflags;
-        int                     refcheck;
+       __u16                   refcheck;
         int                     rc;
 
         env = cl_env_get(&refcheck);
@@ -135,7 +132,6 @@ int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
 
        io = vvp_env_thread_io(env);
         io->ci_obj = obj;
-       io->ci_ignore_layout = 1;
 
        rc = cl_io_init(env, io, CIT_MISC, io->ci_obj);
        if (rc != 0) {
@@ -165,13 +161,11 @@ int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
                return rc;
        }
 
-       lg->lg_env = cl_env_get(&refcheck);
+       lg->lg_env = env;
        lg->lg_io = io;
        lg->lg_lock = lock;
        lg->lg_gid = gid;
-       LASSERT(lg->lg_env == env);
 
-       cl_env_unplant(env, &refcheck);
        return 0;
 }
 
@@ -180,14 +174,10 @@ void cl_put_grouplock(struct ll_grouplock *lg)
        struct lu_env  *env  = lg->lg_env;
        struct cl_io   *io   = lg->lg_io;
        struct cl_lock *lock = lg->lg_lock;
-       int             refcheck;
 
        LASSERT(lg->lg_env != NULL);
        LASSERT(lg->lg_gid != 0);
 
-       cl_env_implant(env, &refcheck);
-       cl_env_put(env, &refcheck);
-
        cl_lock_release(env, lock);
        cl_io_fini(env, io);
        cl_env_put(env, NULL);