-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <obd_class.h>
#include <obd_support.h>
#include <obd.h>
+#include <cl_object.h>
+#include <lclient.h>
#include <lustre_lite.h>
* calculate this (via a call into the LOV + OSCs) each time we make an RPC. */
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;
- __u32 stripes;
- ENTRY;
+ 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(dt_exp, sizeof(KEY_LOVDESC), KEY_LOVDESC,
+ rc = obd_get_info(NULL, dt_exp, sizeof(KEY_LOVDESC), KEY_LOVDESC,
&valsize, &desc, NULL);
if (rc)
RETURN(rc);
lsm.lsm_stripe_count = stripes;
easize = obd_size_diskmd(dt_exp, &lsm);
- lsm.lsm_stripe_count = desc.ld_default_stripe_count;
- def_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);
- cookiesize = stripes * sizeof(struct llog_cookie);
+ cookiesize = stripes * sizeof(struct llog_cookie);
- CDEBUG(D_HA, "updating max_mdsize/max_cookiesize: %d/%d\n",
- easize, cookiesize);
+ /* 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);
- rc = md_init_ea_size(md_exp, easize, def_easize, cookiesize);
- RETURN(rc);
+ rc = md_init_ea_size(md_exp, easize, def_easize, cookiesize, 0);
+ RETURN(rc);
}
/**
*/
int cl_ocd_update(struct obd_device *host,
struct obd_device *watched,
- enum obd_notify_event ev, void *owner)
+ enum obd_notify_event ev, void *owner, void *data)
{
struct lustre_client_ocd *lco;
struct client_obd *cli;
flags = cli->cl_import->imp_connect_data.ocd_connect_flags;
CDEBUG(D_SUPER, "Changing connect_flags: "LPX64" -> "LPX64"\n",
lco->lco_flags, flags);
- spin_lock(&lco->lco_lock);
+ 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);
- spin_unlock(&lco->lco_lock);
+ mutex_unlock(&lco->lco_lock);
result = 0;
} else {
CERROR("unexpected notification from %s %s!\n",
}
RETURN(result);
}
+
+#define GROUPLOCK_SCOPE "grouplock"
+
+int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
+ struct ccc_grouplock *cg)
+{
+ 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);
+
+ io = ccc_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) {
+ cl_io_fini(env, io);
+ cl_env_put(env, &refcheck);
+ /* Does not make sense to take GL for released layout */
+ if (rc > 0)
+ rc = -ENOTSUPP;
+ return rc;
+ }
+
+ descr = &ccc_env_info(env)->cti_descr;
+ 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;
+
+ lock = cl_lock_request(env, io, descr, GROUPLOCK_SCOPE, current);
+ if (IS_ERR(lock)) {
+ cl_io_fini(env, io);
+ cl_env_put(env, &refcheck);
+ return PTR_ERR(lock);
+ }
+
+ cg->cg_env = cl_env_get(&refcheck);
+ cg->cg_io = io;
+ cg->cg_lock = lock;
+ cg->cg_gid = gid;
+ LASSERT(cg->cg_env == env);
+
+ cl_env_unplant(env, &refcheck);
+ return 0;
+}
+
+void cl_put_grouplock(struct ccc_grouplock *cg)
+{
+ struct lu_env *env = cg->cg_env;
+ struct cl_io *io = cg->cg_io;
+ struct cl_lock *lock = cg->cg_lock;
+ int refcheck;
+
+ LASSERT(cg->cg_env);
+ LASSERT(cg->cg_gid);
+
+ cl_env_implant(env, &refcheck);
+ cl_env_put(env, &refcheck);
+
+ cl_unuse(env, lock);
+ cl_lock_release(env, lock, GROUPLOCK_SCOPE, current);
+ cl_io_fini(env, io);
+ cl_env_put(env, NULL);
+}
+
git://git.whamcloud.com / fs / lustre-release.git / blobdiff