*
* 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
*/
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, 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>
#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)
{
- struct lov_stripe_md lsm = { .lsm_magic = LOV_MAGIC_V3 };
- __u32 valsize = sizeof(struct lov_desc);
- int rc, easize, def_easize, cookiesize;
- struct lov_desc desc;
- __u16 stripes, def_stripes;
- ENTRY;
-
- rc = obd_get_info(NULL, dt_exp, sizeof(KEY_LOVDESC), KEY_LOVDESC,
- &valsize, &desc, NULL);
- if (rc)
- RETURN(rc);
-
- stripes = min(desc.ld_tgt_count, (__u32)LOV_MAX_STRIPE_COUNT);
- lsm.lsm_stripe_count = stripes;
- easize = obd_size_diskmd(dt_exp, &lsm);
-
- def_stripes = min_t(__u32, desc.ld_default_stripe_count,
- LOV_MAX_STRIPE_COUNT);
- lsm.lsm_stripe_count = def_stripes;
- def_easize = obd_size_diskmd(dt_exp, &lsm);
+ u32 val_size;
+ u32 max_easize;
+ u32 def_easize;
+ int rc;
- cookiesize = stripes * sizeof(struct llog_cookie);
-
- /* 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 def/max_cookiesize: 0/%d\n",
- def_easize, easize, cookiesize);
+ ENTRY;
- rc = md_init_ea_size(md_exp, easize, def_easize, cookiesize, 0);
+ val_size = sizeof(max_easize);
+ rc = obd_get_info(NULL, dt_exp, sizeof(KEY_MAX_EASIZE), KEY_MAX_EASIZE,
+ &val_size, &max_easize);
+ if (rc != 0)
+ RETURN(rc);
+
+ val_size = sizeof(def_easize);
+ rc = obd_get_info(NULL, dt_exp, sizeof(KEY_DEFAULT_EASIZE),
+ KEY_DEFAULT_EASIZE, &val_size, &def_easize);
+ if (rc != 0)
+ RETURN(rc);
+
+ /*
+ * 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);
+
+ rc = md_init_ea_size(md_exp, max_easize, def_easize);
RETURN(rc);
}
/**
- * 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;
-
- ENTRY;
- if (!strcmp(watched->obd_type->typ_name, LUSTRE_OSC_NAME)) {
- 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",
- lco->lco_flags, flags);
+ struct lustre_client_ocd *lco;
+ struct client_obd *cli;
+ u64 flags;
+ int result;
+
+ 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;
+ CDEBUG(D_SUPER, "Changing connect_flags: %#llx -> %#llx\n",
+ 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 {
- CERROR("unexpected notification from %s %s!\n",
- watched->obd_type->typ_name,
- watched->obd_name);
- result = -EINVAL;
- }
- RETURN(result);
+ 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);
}
#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;
- int 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_ignore_layout = 1;
+ 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;
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;
}
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);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff