* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2016, 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 "llite_internal.h"
-/* Initialize the default and maximum LOV EA and cookie sizes. This allows
+/*
+ * Initialize the default and maximum LOV EA and cookie sizes. This allows
* us to make MDS RPCs with large enough reply buffers to hold the
* maximum-sized (= maximum striped) EA and cookie without having to
- * calculate this (via a call into the LOV + OSCs) each time we make an RPC. */
+ * calculate this (via a call into the LOV + OSCs) each time we make an RPC.
+ */
static int cl_init_ea_size(struct obd_export *md_exp, struct obd_export *dt_exp)
{
u32 val_size;
u32 max_easize;
u32 def_easize;
int rc;
+
ENTRY;
val_size = sizeof(max_easize);
if (rc != 0)
RETURN(rc);
- /* default cookiesize is 0 because from 2.4 server doesn't send
- * llog cookies to client. */
+ /*
+ * default cookiesize is 0 because from 2.4 server doesn't send
+ * llog cookies to client.
+ */
CDEBUG(D_HA, "updating def/max_easize: %d/%d\n",
def_easize, max_easize);
}
/**
- * 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;
- __u64 flags;
- int result;
+ struct lustre_client_ocd *lco;
+ struct client_obd *cli;
+ u64 flags;
+ int result;
+
+ ENTRY;
- ENTRY;
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;
+ cli = &watched->u.cli;
+ lco = owner;
+ flags = cli->cl_import->imp_connect_data.ocd_connect_flags;
CDEBUG(D_SUPER, "Changing connect_flags: %#llx -> %#llx\n",
- lco->lco_flags, flags);
+ lco->lco_flags, flags);
mutex_lock(&lco->lco_lock);
- lco->lco_flags &= flags;
- /* for each osc event update ea size */
- if (lco->lco_dt_exp)
- cl_init_ea_size(lco->lco_md_exp, lco->lco_dt_exp);
+ lco->lco_flags &= flags;
+ /* for each osc event update ea size */
+ if (lco->lco_dt_exp)
+ cl_init_ea_size(lco->lco_md_exp, lco->lco_dt_exp);
mutex_unlock(&lco->lco_lock);
- result = 0;
- } else {
+ result = 0;
+ } else {
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);
+ }
+ RETURN(result);
}
#define GROUPLOCK_SCOPE "grouplock"
int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
struct ll_grouplock *lg)
{
- struct lu_env *env;
- struct cl_io *io;
- struct cl_lock *lock;
- struct cl_lock_descr *descr;
- __u32 enqflags;
- __u16 refcheck;
- int rc;
-
- env = cl_env_get(&refcheck);
- if (IS_ERR(env))
- return PTR_ERR(env);
+ struct lu_env *env;
+ struct cl_io *io;
+ struct cl_lock *lock;
+ struct cl_lock_descr *descr;
+ u32 enqflags;
+ u16 refcheck;
+ int rc;
+
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ return PTR_ERR(env);
io = vvp_env_thread_io(env);
- io->ci_obj = obj;
+ io->ci_obj = obj;
rc = cl_io_init(env, io, CIT_MISC, io->ci_obj);
if (rc != 0) {
lock = vvp_env_lock(env);
descr = &lock->cll_descr;
- descr->cld_obj = obj;
- descr->cld_start = 0;
- descr->cld_end = CL_PAGE_EOF;
- descr->cld_gid = gid;
- descr->cld_mode = CLM_GROUP;
+ descr->cld_obj = obj;
+ descr->cld_start = 0;
+ descr->cld_end = CL_PAGE_EOF;
+ descr->cld_gid = gid;
+ descr->cld_mode = CLM_GROUP;
enqflags = CEF_MUST | (nonblock ? CEF_NONBLOCK : 0);
descr->cld_enq_flags = enqflags;