* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_LOV
#include <libcfs/libcfs.h>
-#include <obd_support.h>
-#include <lustre_ioctl.h>
-#include <lustre_lib.h>
-#include <lustre_net.h>
#include <lustre/lustre_idl.h>
+
+#include <cl_object.h>
#include <lustre_dlm.h>
+#include <lustre_fid.h>
+#include <lustre_ioctl.h>
+#include <lustre_lib.h>
#include <lustre_mds.h>
-#include <obd_class.h>
-#include <lprocfs_status.h>
+#include <lustre_net.h>
#include <lustre_param.h>
-#include <cl_object.h>
-#include <lclient.h>
-#include <lustre/ll_fiemap.h>
-#include <lustre_fid.h>
+#include <lustre_swab.h>
+#include <lprocfs_status.h>
+#include <obd_class.h>
+#include <obd_support.h>
#include "lov_internal.h"
if (data)
lov->lov_ocd = *data;
- lov->targets_proc_entry = lprocfs_seq_register("target_obds",
- obd->obd_proc_entry,
- NULL, NULL);
+ lov->targets_proc_entry = lprocfs_register("target_obds",
+ obd->obd_proc_entry,
+ NULL, NULL);
if (IS_ERR(lov->targets_proc_entry)) {
CERROR("%s: cannot register "
"/proc/fs/lustre/%s/%s/target_obds\n",
for (i = 0; i < lov->desc.ld_tgt_count; i++) {
if (lov->lov_tgts[i] && lov->lov_tgts[i]->ltd_exp) {
/* Disconnection is the last we know about an obd */
- lov_del_target(obd, i, 0, lov->lov_tgts[i]->ltd_gen);
+ lov_del_target(obd, i, NULL, lov->lov_tgts[i]->ltd_gen);
}
}
obd_putref(obd);
if (rc) {
CERROR("add failed (%d), deleting %s\n", rc,
obd_uuid2str(&tgt->ltd_uuid));
- lov_del_target(obd, index, 0, 0);
+ lov_del_target(obd, index, NULL, 0);
}
obd_putref(obd);
RETURN(rc);
{
struct lov_desc *desc;
struct lov_obd *lov = &obd->u.lov;
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
struct obd_type *type;
#endif
int rc;
if (rc)
GOTO(out, rc);
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
obd->obd_vars = lprocfs_lov_obd_vars;
/* If this is true then both client (lov) and server
* (lod) are on the same node. The lod layer if loaded
* Instead we use type->typ_procsym as the parent. */
type = class_search_type(LUSTRE_LOD_NAME);
if (type != NULL && type->typ_procsym != NULL) {
- obd->obd_proc_entry = lprocfs_seq_register(obd->obd_name,
- type->typ_procsym,
- obd->obd_vars, obd);
+ obd->obd_proc_entry = lprocfs_register(obd->obd_name,
+ type->typ_procsym,
+ obd->obd_vars, obd);
if (IS_ERR(obd->obd_proc_entry)) {
rc = PTR_ERR(obd->obd_proc_entry);
CERROR("error %d setting up lprocfs for %s\n", rc,
if (rc)
CWARN("Error adding the target_obd file\n");
- lov->lov_pool_proc_entry = lprocfs_seq_register("pools",
- obd->obd_proc_entry,
- NULL, NULL);
+ lov->lov_pool_proc_entry = lprocfs_register("pools",
+ obd->obd_proc_entry,
+ NULL, NULL);
if (IS_ERR(lov->lov_pool_proc_entry)) {
rc = PTR_ERR(lov->lov_pool_proc_entry);
CERROR("error %d setting up lprocfs for pools\n", rc);
return rc;
}
-static int lov_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
-{
- int rc = 0;
- struct lov_obd *lov = &obd->u.lov;
-
- ENTRY;
-
- switch (stage) {
- case OBD_CLEANUP_EARLY: {
- int i;
- for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active)
- continue;
- obd_precleanup(class_exp2obd(lov->lov_tgts[i]->ltd_exp),
- OBD_CLEANUP_EARLY);
- }
- break;
- }
- default:
- break;
- }
-
- RETURN(rc);
-}
-
static int lov_cleanup(struct obd_device *obd)
{
struct lov_obd *lov = &obd->u.lov;
"deathrow=%d, lovrc=%d\n",
obd->obd_name, i, lov->lov_death_row,
atomic_read(&lov->lov_refcount));
- lov_del_target(obd, i, 0, 0);
+ lov_del_target(obd, i, NULL, 0);
}
obd_putref(obd);
OBD_FREE(lov->lov_tgts, sizeof(*lov->lov_tgts) *
lov->lov_tgt_size);
lov->lov_tgt_size = 0;
}
+
+ if (lov->lov_cache != NULL) {
+ cl_cache_decref(lov->lov_cache);
+ lov->lov_cache = NULL;
+ }
+
RETURN(0);
}
RETURN(rc);
}
-static int lov_recreate(struct obd_export *exp, struct obdo *src_oa,
- struct lov_stripe_md **ea, struct obd_trans_info *oti)
-{
- struct lov_stripe_md *obj_mdp, *lsm;
- struct lov_obd *lov = &exp->exp_obd->u.lov;
- unsigned ost_idx;
- int rc, i;
- ENTRY;
-
- LASSERT(src_oa->o_valid & OBD_MD_FLFLAGS &&
- src_oa->o_flags & OBD_FL_RECREATE_OBJS);
-
- OBD_ALLOC(obj_mdp, sizeof(*obj_mdp));
- if (obj_mdp == NULL)
- RETURN(-ENOMEM);
-
- ost_idx = src_oa->o_nlink;
- lsm = *ea;
- if (lsm == NULL)
- GOTO(out, rc = -EINVAL);
- if (ost_idx >= lov->desc.ld_tgt_count ||
- !lov->lov_tgts[ost_idx])
- GOTO(out, rc = -EINVAL);
-
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- struct lov_oinfo *loi = lsm->lsm_oinfo[i];
-
- if (lov_oinfo_is_dummy(loi))
- continue;
-
- if (loi->loi_ost_idx == ost_idx) {
- if (ostid_id(&loi->loi_oi) !=
- ostid_id(&src_oa->o_oi))
- GOTO(out, rc = -EINVAL);
- break;
- }
- }
- if (i == lsm->lsm_stripe_count)
- GOTO(out, rc = -EINVAL);
-
- rc = obd_create(NULL, lov->lov_tgts[ost_idx]->ltd_exp,
- src_oa, &obj_mdp, oti);
-out:
- OBD_FREE(obj_mdp, sizeof(*obj_mdp));
- RETURN(rc);
-}
-
-/* the LOV expects oa->o_id to be set to the LOV object id */
-static int lov_create(const struct lu_env *env, struct obd_export *exp,
- struct obdo *src_oa, struct lov_stripe_md **ea,
- struct obd_trans_info *oti)
-{
- struct lov_obd *lov;
- int rc = 0;
- ENTRY;
-
- LASSERT(ea != NULL);
- if (exp == NULL)
- RETURN(-EINVAL);
-
- if ((src_oa->o_valid & OBD_MD_FLFLAGS) &&
- src_oa->o_flags == OBD_FL_DELORPHAN) {
- /* should be used with LOV anymore */
- LBUG();
- }
-
- lov = &exp->exp_obd->u.lov;
- if (!lov->desc.ld_active_tgt_count)
- RETURN(-EIO);
-
- obd_getref(exp->exp_obd);
- /* Recreate a specific object id at the given OST index */
- if ((src_oa->o_valid & OBD_MD_FLFLAGS) &&
- (src_oa->o_flags & OBD_FL_RECREATE_OBJS)) {
- rc = lov_recreate(exp, src_oa, ea, oti);
- }
-
- obd_putref(exp->exp_obd);
- RETURN(rc);
-}
-
-#define ASSERT_LSM_MAGIC(lsmp) \
-do { \
- LASSERT((lsmp) != NULL); \
- LASSERTF(((lsmp)->lsm_magic == LOV_MAGIC_V1 || \
- (lsmp)->lsm_magic == LOV_MAGIC_V3), \
- "%p->lsm_magic=%x\n", (lsmp), (lsmp)->lsm_magic); \
-} while (0)
-
-static int lov_destroy(const struct lu_env *env, struct obd_export *exp,
- struct obdo *oa, struct lov_stripe_md *lsm,
- struct obd_trans_info *oti, struct obd_export *md_exp,
- void *capa)
-{
- struct lov_request_set *set;
- struct obd_info oinfo;
- struct lov_request *req;
- struct list_head *pos;
- struct lov_obd *lov;
- int rc = 0, err = 0;
- ENTRY;
-
- ASSERT_LSM_MAGIC(lsm);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- if (oa->o_valid & OBD_MD_FLCOOKIE) {
- LASSERT(oti);
- LASSERT(oti->oti_logcookies);
- }
-
- lov = &exp->exp_obd->u.lov;
- obd_getref(exp->exp_obd);
- rc = lov_prep_destroy_set(exp, &oinfo, oa, lsm, oti, &set);
- if (rc)
- GOTO(out, rc);
-
- list_for_each(pos, &set->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
-
- if (oa->o_valid & OBD_MD_FLCOOKIE)
- oti->oti_logcookies = set->set_cookies + req->rq_stripe;
-
- err = obd_destroy(env, lov->lov_tgts[req->rq_idx]->ltd_exp,
- req->rq_oi.oi_oa, NULL, oti, NULL, capa);
- err = lov_update_common_set(set, req, err);
- if (err) {
- CERROR("%s: destroying objid "DOSTID" subobj "
- DOSTID" on OST idx %d: rc = %d\n",
- exp->exp_obd->obd_name, POSTID(&oa->o_oi),
- POSTID(&req->rq_oi.oi_oa->o_oi),
- req->rq_idx, err);
- if (!rc)
- rc = err;
- }
- }
-
- if (rc == 0) {
- LASSERT(lsm_op_find(lsm->lsm_magic) != NULL);
- rc = lsm_op_find(lsm->lsm_magic)->lsm_destroy(lsm, oa, md_exp);
- }
- err = lov_fini_destroy_set(set);
-out:
- obd_putref(exp->exp_obd);
- RETURN(rc ? rc : err);
-}
-
-static int lov_getattr_interpret(struct ptlrpc_request_set *rqset,
- void *data, int rc)
-{
- struct lov_request_set *lovset = (struct lov_request_set *)data;
- int err;
- ENTRY;
-
- /* don't do attribute merge if this aysnc op failed */
- if (rc)
- atomic_set(&lovset->set_completes, 0);
- err = lov_fini_getattr_set(lovset);
- RETURN(rc ? rc : err);
-}
-
-static int lov_getattr_async(struct obd_export *exp, struct obd_info *oinfo,
- struct ptlrpc_request_set *rqset)
-{
- struct lov_request_set *lovset;
- struct lov_obd *lov;
- struct list_head *pos;
- struct lov_request *req;
- int rc = 0, err;
- ENTRY;
-
- LASSERT(oinfo);
- ASSERT_LSM_MAGIC(oinfo->oi_md);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
-
- rc = lov_prep_getattr_set(exp, oinfo, &lovset);
- if (rc)
- RETURN(rc);
-
- CDEBUG(D_INFO, "objid "DOSTID": %ux%u byte stripes\n",
- POSTID(&oinfo->oi_md->lsm_oi), oinfo->oi_md->lsm_stripe_count,
- oinfo->oi_md->lsm_stripe_size);
-
- list_for_each(pos, &lovset->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
-
- CDEBUG(D_INFO, "objid "DOSTID"[%d] has subobj "DOSTID" at idx"
- "%u\n", POSTID(&oinfo->oi_oa->o_oi), req->rq_stripe,
- POSTID(&req->rq_oi.oi_oa->o_oi), req->rq_idx);
- rc = obd_getattr_async(lov->lov_tgts[req->rq_idx]->ltd_exp,
- &req->rq_oi, rqset);
- if (rc) {
- CERROR("%s: getattr objid "DOSTID" subobj"
- DOSTID" on OST idx %d: rc = %d\n",
- exp->exp_obd->obd_name,
- POSTID(&oinfo->oi_oa->o_oi),
- POSTID(&req->rq_oi.oi_oa->o_oi),
- req->rq_idx, rc);
- GOTO(out, rc);
- }
- }
-
- if (!list_empty(&rqset->set_requests)) {
- LASSERT(rc == 0);
- LASSERT (rqset->set_interpret == NULL);
- rqset->set_interpret = lov_getattr_interpret;
- rqset->set_arg = (void *)lovset;
- RETURN(rc);
- }
-out:
- if (rc)
- atomic_set(&lovset->set_completes, 0);
- err = lov_fini_getattr_set(lovset);
- RETURN(rc ? rc : err);
-}
-
-static int lov_setattr_interpret(struct ptlrpc_request_set *rqset,
- void *data, int rc)
-{
- struct lov_request_set *lovset = (struct lov_request_set *)data;
- int err;
- ENTRY;
-
- if (rc)
- atomic_set(&lovset->set_completes, 0);
- err = lov_fini_setattr_set(lovset);
- RETURN(rc ? rc : err);
-}
-
-/* If @oti is given, the request goes from MDS and responses from OSTs are not
- needed. Otherwise, a client is waiting for responses. */
-static int lov_setattr_async(struct obd_export *exp, struct obd_info *oinfo,
- struct obd_trans_info *oti,
- struct ptlrpc_request_set *rqset)
-{
- struct lov_request_set *set;
- struct lov_request *req;
- struct list_head *pos;
- struct lov_obd *lov;
- int rc = 0;
- ENTRY;
-
- LASSERT(oinfo);
- ASSERT_LSM_MAGIC(oinfo->oi_md);
- if (oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE) {
- LASSERT(oti);
- LASSERT(oti->oti_logcookies);
- }
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
- rc = lov_prep_setattr_set(exp, oinfo, oti, &set);
- if (rc)
- RETURN(rc);
-
- CDEBUG(D_INFO, "objid "DOSTID": %ux%u byte stripes\n",
- POSTID(&oinfo->oi_md->lsm_oi),
- oinfo->oi_md->lsm_stripe_count,
- oinfo->oi_md->lsm_stripe_size);
-
- list_for_each(pos, &set->set_list) {
- req = list_entry(pos, struct lov_request, rq_link);
-
- if (oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
- oti->oti_logcookies = set->set_cookies + req->rq_stripe;
-
- CDEBUG(D_INFO, "objid "DOSTID"[%d] has subobj "DOSTID" at idx"
- "%u\n", POSTID(&oinfo->oi_oa->o_oi), req->rq_stripe,
- POSTID(&req->rq_oi.oi_oa->o_oi), req->rq_idx);
-
- rc = obd_setattr_async(lov->lov_tgts[req->rq_idx]->ltd_exp,
- &req->rq_oi, oti, rqset);
- if (rc) {
- CERROR("error: setattr objid "DOSTID" subobj"
- DOSTID" on OST idx %d: rc = %d\n",
- POSTID(&set->set_oi->oi_oa->o_oi),
- POSTID(&req->rq_oi.oi_oa->o_oi),
- req->rq_idx, rc);
- break;
- }
- }
-
- /* If we are not waiting for responses on async requests, return. */
- if (rc || !rqset || list_empty(&rqset->set_requests)) {
- int err;
- if (rc)
- atomic_set(&set->set_completes, 0);
- err = lov_fini_setattr_set(set);
- RETURN(rc ? rc : err);
- }
-
- LASSERT(rqset->set_interpret == NULL);
- rqset->set_interpret = lov_setattr_interpret;
- rqset->set_arg = (void *)set;
-
- RETURN(0);
-}
-
-static int lov_change_cbdata(struct obd_export *exp,
- struct lov_stripe_md *lsm, ldlm_iterator_t it,
- void *data)
-{
- struct lov_obd *lov;
- int rc = 0, i;
- ENTRY;
-
- ASSERT_LSM_MAGIC(lsm);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- struct lov_stripe_md submd;
- struct lov_oinfo *loi = lsm->lsm_oinfo[i];
-
- if (lov_oinfo_is_dummy(loi))
- continue;
-
- if (!lov->lov_tgts[loi->loi_ost_idx]) {
- CDEBUG(D_HA, "lov idx %d NULL\n", loi->loi_ost_idx);
- continue;
- }
-
- submd.lsm_oi = loi->loi_oi;
- submd.lsm_stripe_count = 0;
- rc = obd_change_cbdata(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
- &submd, it, data);
- }
- RETURN(rc);
-}
-
-/* find any ldlm lock of the inode in lov
- * return 0 not find
- * 1 find one
- * < 0 error */
-static int lov_find_cbdata(struct obd_export *exp,
- struct lov_stripe_md *lsm, ldlm_iterator_t it,
- void *data)
-{
- struct lov_obd *lov;
- int rc = 0, i;
- ENTRY;
-
- ASSERT_LSM_MAGIC(lsm);
-
- if (!exp || !exp->exp_obd)
- RETURN(-ENODEV);
-
- lov = &exp->exp_obd->u.lov;
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- struct lov_stripe_md submd;
- struct lov_oinfo *loi = lsm->lsm_oinfo[i];
-
- if (lov_oinfo_is_dummy(loi))
- continue;
-
- if (!lov->lov_tgts[loi->loi_ost_idx]) {
- CDEBUG(D_HA, "lov idx %d NULL\n", loi->loi_ost_idx);
- continue;
- }
-
- submd.lsm_oi = loi->loi_oi;
- submd.lsm_stripe_count = 0;
- rc = obd_find_cbdata(lov->lov_tgts[loi->loi_ost_idx]->ltd_exp,
- &submd, it, data);
- if (rc != 0)
- RETURN(rc);
- }
- RETURN(rc);
-}
-
int lov_statfs_interpret(struct ptlrpc_request_set *rqset, void *data, int rc)
{
struct lov_request_set *lovset = (struct lov_request_set *)data;
}
static int lov_statfs(const struct lu_env *env, struct obd_export *exp,
- struct obd_statfs *osfs, __u64 max_age, __u32 flags)
+ struct obd_statfs *osfs, __u64 max_age, __u32 flags)
{
- struct ptlrpc_request_set *set = NULL;
- struct obd_info oinfo = { { { 0 } } };
- int rc = 0;
- ENTRY;
+ struct ptlrpc_request_set *set = NULL;
+ struct obd_info oinfo = {
+ .oi_osfs = osfs,
+ .oi_flags = flags,
+ };
+ int rc = 0;
+ ENTRY;
- /* for obdclass we forbid using obd_statfs_rqset, but prefer using async
- * statfs requests */
- set = ptlrpc_prep_set();
- if (set == NULL)
- RETURN(-ENOMEM);
+ /* for obdclass we forbid using obd_statfs_rqset, but prefer using async
+ * statfs requests */
+ set = ptlrpc_prep_set();
+ if (set == NULL)
+ RETURN(-ENOMEM);
- oinfo.oi_osfs = osfs;
- oinfo.oi_flags = flags;
- rc = lov_statfs_async(exp, &oinfo, max_age, set);
- if (rc == 0)
- rc = ptlrpc_set_wait(set);
- ptlrpc_set_destroy(set);
+ rc = lov_statfs_async(exp, &oinfo, max_age, set);
+ if (rc == 0)
+ rc = ptlrpc_set_wait(set);
- RETURN(rc);
+ ptlrpc_set_destroy(set);
+
+ RETURN(rc);
}
static int lov_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
__u32 index;
__u32 flags;
- memcpy(&index, data->ioc_inlbuf2, sizeof(__u32));
+ memcpy(&index, data->ioc_inlbuf2, sizeof(index));
if ((index >= count))
RETURN(-ENODEV);
/* copy UUID */
if (copy_to_user(data->ioc_pbuf2, obd2cli_tgt(osc_obd),
- min((int)data->ioc_plen2,
- (int)sizeof(struct obd_uuid))))
- RETURN(-EFAULT);
+ min_t(unsigned long, data->ioc_plen2,
+ sizeof(struct obd_uuid))))
+ RETURN(-EFAULT);
+
+ memcpy(&flags, data->ioc_inlbuf1, sizeof(flags));
+ flags = flags & LL_STATFS_NODELAY ? OBD_STATFS_NODELAY : 0;
- flags = uarg ? *(__u32 __user *)uarg : 0;
/* got statfs data */
rc = obd_statfs(NULL, lov->lov_tgts[index]->ltd_exp, &stat_buf,
cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
if (rc)
RETURN(rc);
if (copy_to_user(data->ioc_pbuf1, &stat_buf,
- min((int) data->ioc_plen1,
- (int) sizeof(stat_buf))))
- RETURN(-EFAULT);
- break;
+ min_t(unsigned long, data->ioc_plen1,
+ sizeof(struct obd_statfs))))
+ RETURN(-EFAULT);
+ break;
}
case OBD_IOC_LOV_GET_CONFIG: {
struct obd_ioctl_data *data;
obd_ioctl_freedata(buf, len);
break;
}
- case LL_IOC_LOV_GETSTRIPE:
- rc = lov_getstripe(exp, karg, uarg);
- break;
case OBD_IOC_QUOTACTL: {
struct if_quotactl *qctl = karg;
struct lov_tgt_desc *tgt = NULL;
osc_obd->obd_force = obddev->obd_force;
err = obd_iocontrol(cmd, lov->lov_tgts[i]->ltd_exp,
len, karg, uarg);
- if (err == -ENODATA && cmd == OBD_IOC_POLL_QUOTACHECK) {
- RETURN(err);
- } else if (err) {
+ if (err) {
if (lov->lov_tgts[i]->ltd_active) {
CDEBUG(err == -ENOTTY ?
D_IOCTL : D_WARNING,
RETURN(rc);
}
-#define FIEMAP_BUFFER_SIZE 4096
-
-/**
- * Non-zero fe_logical indicates that this is a continuation FIEMAP
- * call. The local end offset and the device are sent in the first
- * fm_extent. This function calculates the stripe number from the index.
- * This function returns a stripe_no on which mapping is to be restarted.
- *
- * This function returns fm_end_offset which is the in-OST offset at which
- * mapping should be restarted. If fm_end_offset=0 is returned then caller
- * will re-calculate proper offset in next stripe.
- * Note that the first extent is passed to lov_get_info via the value field.
- *
- * \param fiemap fiemap request header
- * \param lsm striping information for the file
- * \param fm_start logical start of mapping
- * \param fm_end logical end of mapping
- * \param start_stripe starting stripe will be returned in this
- */
-obd_size fiemap_calc_fm_end_offset(struct ll_user_fiemap *fiemap,
- struct lov_stripe_md *lsm, obd_size fm_start,
- obd_size fm_end, int *start_stripe)
-{
- obd_size local_end = fiemap->fm_extents[0].fe_logical;
- obd_off lun_start, lun_end;
- obd_size fm_end_offset;
- int stripe_no = -1, i;
-
- if (fiemap->fm_extent_count == 0 ||
- fiemap->fm_extents[0].fe_logical == 0)
- return 0;
-
- /* Find out stripe_no from ost_index saved in the fe_device */
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- struct lov_oinfo *oinfo = lsm->lsm_oinfo[i];
-
- if (lov_oinfo_is_dummy(oinfo))
- continue;
-
- if (oinfo->loi_ost_idx == fiemap->fm_extents[0].fe_device) {
- stripe_no = i;
- break;
- }
- }
-
- if (stripe_no == -1)
- return -EINVAL;
-
- /* If we have finished mapping on previous device, shift logical
- * offset to start of next device */
- if ((lov_stripe_intersects(lsm, stripe_no, fm_start, fm_end,
- &lun_start, &lun_end)) != 0 &&
- local_end < lun_end) {
- fm_end_offset = local_end;
- *start_stripe = stripe_no;
- } else {
- /* This is a special value to indicate that caller should
- * calculate offset in next stripe. */
- fm_end_offset = 0;
- *start_stripe = (stripe_no + 1) % lsm->lsm_stripe_count;
- }
-
- return fm_end_offset;
-}
-
-/**
- * We calculate on which OST the mapping will end. If the length of mapping
- * is greater than (stripe_size * stripe_count) then the last_stripe will
- * will be one just before start_stripe. Else we check if the mapping
- * intersects each OST and find last_stripe.
- * This function returns the last_stripe and also sets the stripe_count
- * over which the mapping is spread
- *
- * \param lsm striping information for the file
- * \param fm_start logical start of mapping
- * \param fm_end logical end of mapping
- * \param start_stripe starting stripe of the mapping
- * \param stripe_count the number of stripes across which to map is returned
- *
- * \retval last_stripe return the last stripe of the mapping
- */
-int fiemap_calc_last_stripe(struct lov_stripe_md *lsm, obd_size fm_start,
- obd_size fm_end, int start_stripe,
- int *stripe_count)
-{
- int last_stripe;
- obd_off obd_start, obd_end;
- int i, j;
-
- if (fm_end - fm_start > lsm->lsm_stripe_size * lsm->lsm_stripe_count) {
- last_stripe = (start_stripe < 1 ? lsm->lsm_stripe_count - 1 :
- start_stripe - 1);
- *stripe_count = lsm->lsm_stripe_count;
- } else {
- for (j = 0, i = start_stripe; j < lsm->lsm_stripe_count;
- i = (i + 1) % lsm->lsm_stripe_count, j++) {
- if ((lov_stripe_intersects(lsm, i, fm_start, fm_end,
- &obd_start, &obd_end)) == 0)
- break;
- }
- *stripe_count = j;
- last_stripe = (start_stripe + j - 1) %lsm->lsm_stripe_count;
- }
-
- return last_stripe;
-}
-
-/**
- * Set fe_device and copy extents from local buffer into main return buffer.
- *
- * \param fiemap fiemap request header
- * \param lcl_fm_ext array of local fiemap extents to be copied
- * \param ost_index OST index to be written into the fm_device field for each
- extent
- * \param ext_count number of extents to be copied
- * \param current_extent where to start copying in main extent array
- */
-void fiemap_prepare_and_copy_exts(struct ll_user_fiemap *fiemap,
- struct ll_fiemap_extent *lcl_fm_ext,
- int ost_index, unsigned int ext_count,
- int current_extent)
-{
- char *to;
- int ext;
-
- for (ext = 0; ext < ext_count; ext++) {
- lcl_fm_ext[ext].fe_device = ost_index;
- lcl_fm_ext[ext].fe_flags |= FIEMAP_EXTENT_NET;
- }
-
- /* Copy fm_extent's from fm_local to return buffer */
- to = (char *)fiemap + fiemap_count_to_size(current_extent);
- memcpy(to, lcl_fm_ext, ext_count * sizeof(struct ll_fiemap_extent));
-}
-
-/**
- * Break down the FIEMAP request and send appropriate calls to individual OSTs.
- * This also handles the restarting of FIEMAP calls in case mapping overflows
- * the available number of extents in single call.
- */
-static int lov_fiemap(struct lov_obd *lov, __u32 keylen, void *key,
- __u32 *vallen, void *val, struct lov_stripe_md *lsm)
-{
- struct ll_fiemap_info_key *fm_key = key;
- struct ll_user_fiemap *fiemap = val;
- struct ll_user_fiemap *fm_local = NULL;
- struct ll_fiemap_extent *lcl_fm_ext;
- int count_local;
- unsigned int get_num_extents = 0;
- int ost_index = 0, actual_start_stripe, start_stripe;
- obd_size fm_start, fm_end, fm_length, fm_end_offset;
- obd_size curr_loc;
- int current_extent = 0, rc = 0, i;
- int ost_eof = 0; /* EOF for object */
- int ost_done = 0; /* done with required mapping for this OST? */
- int last_stripe;
- int cur_stripe = 0, cur_stripe_wrap = 0, stripe_count;
- unsigned int buffer_size = FIEMAP_BUFFER_SIZE;
-
- if (!lsm_has_objects(lsm)) {
- if (lsm && lsm_is_released(lsm) && (fm_key->fiemap.fm_start <
- fm_key->oa.o_size)) {
- /* released file, return a minimal FIEMAP if
- * request fits in file-size.
- */
- fiemap->fm_mapped_extents = 1;
- fiemap->fm_extents[0].fe_logical =
- fm_key->fiemap.fm_start;
- if (fm_key->fiemap.fm_start + fm_key->fiemap.fm_length <
- fm_key->oa.o_size)
- fiemap->fm_extents[0].fe_length =
- fm_key->fiemap.fm_length;
- else
- fiemap->fm_extents[0].fe_length =
- fm_key->oa.o_size -
- fm_key->fiemap.fm_start;
- fiemap->fm_extents[0].fe_flags |=
- (FIEMAP_EXTENT_UNKNOWN |
- FIEMAP_EXTENT_LAST);
- }
- GOTO(out, rc = 0);
- }
-
- if (fiemap_count_to_size(fm_key->fiemap.fm_extent_count) < buffer_size)
- buffer_size = fiemap_count_to_size(fm_key->fiemap.fm_extent_count);
-
- OBD_ALLOC_LARGE(fm_local, buffer_size);
- if (fm_local == NULL)
- GOTO(out, rc = -ENOMEM);
- lcl_fm_ext = &fm_local->fm_extents[0];
-
- count_local = fiemap_size_to_count(buffer_size);
-
- memcpy(fiemap, &fm_key->fiemap, sizeof(*fiemap));
- fm_start = fiemap->fm_start;
- fm_length = fiemap->fm_length;
- /* Calculate start stripe, last stripe and length of mapping */
- actual_start_stripe = start_stripe = lov_stripe_number(lsm, fm_start);
- fm_end = (fm_length == ~0ULL ? fm_key->oa.o_size :
- fm_start + fm_length - 1);
- /* If fm_length != ~0ULL but fm_start+fm_length-1 exceeds file size */
- if (fm_end > fm_key->oa.o_size)
- fm_end = fm_key->oa.o_size;
-
- last_stripe = fiemap_calc_last_stripe(lsm, fm_start, fm_end,
- actual_start_stripe, &stripe_count);
-
- fm_end_offset = fiemap_calc_fm_end_offset(fiemap, lsm, fm_start,
- fm_end, &start_stripe);
- if (fm_end_offset == -EINVAL)
- GOTO(out, rc = -EINVAL);
-
- if (fiemap_count_to_size(fiemap->fm_extent_count) > *vallen)
- fiemap->fm_extent_count = fiemap_size_to_count(*vallen);
- if (fiemap->fm_extent_count == 0) {
- get_num_extents = 1;
- count_local = 0;
- }
- /* Check each stripe */
- for (cur_stripe = start_stripe, i = 0; i < stripe_count;
- i++, cur_stripe = (cur_stripe + 1) % lsm->lsm_stripe_count) {
- obd_size req_fm_len; /* Stores length of required mapping */
- obd_size len_mapped_single_call;
- obd_off lun_start, lun_end, obd_object_end;
- unsigned int ext_count;
-
- cur_stripe_wrap = cur_stripe;
-
- /* Find out range of mapping on this stripe */
- if ((lov_stripe_intersects(lsm, cur_stripe, fm_start, fm_end,
- &lun_start, &obd_object_end)) == 0)
- continue;
-
- if (lov_oinfo_is_dummy(lsm->lsm_oinfo[cur_stripe]))
- GOTO(out, rc = -EIO);
-
- /* If this is a continuation FIEMAP call and we are on
- * starting stripe then lun_start needs to be set to
- * fm_end_offset */
- if (fm_end_offset != 0 && cur_stripe == start_stripe)
- lun_start = fm_end_offset;
-
- if (fm_length != ~0ULL) {
- /* Handle fm_start + fm_length overflow */
- if (fm_start + fm_length < fm_start)
- fm_length = ~0ULL - fm_start;
- lun_end = lov_size_to_stripe(lsm, fm_start + fm_length,
- cur_stripe);
- } else {
- lun_end = ~0ULL;
- }
-
- if (lun_start == lun_end)
- continue;
-
- req_fm_len = obd_object_end - lun_start;
- fm_local->fm_length = 0;
- len_mapped_single_call = 0;
-
- /* If the output buffer is very large and the objects have many
- * extents we may need to loop on a single OST repeatedly */
- ost_eof = 0;
- ost_done = 0;
- do {
- if (get_num_extents == 0) {
- /* Don't get too many extents. */
- if (current_extent + count_local >
- fiemap->fm_extent_count)
- count_local = fiemap->fm_extent_count -
- current_extent;
- }
-
- lun_start += len_mapped_single_call;
- fm_local->fm_length = req_fm_len - len_mapped_single_call;
- req_fm_len = fm_local->fm_length;
- fm_local->fm_extent_count = count_local;
- fm_local->fm_mapped_extents = 0;
- fm_local->fm_flags = fiemap->fm_flags;
-
- fm_key->oa.o_oi = lsm->lsm_oinfo[cur_stripe]->loi_oi;
- ost_index = lsm->lsm_oinfo[cur_stripe]->loi_ost_idx;
-
- if (ost_index < 0 || ost_index >=lov->desc.ld_tgt_count)
- GOTO(out, rc = -EINVAL);
-
- /* If OST is inactive, return extent with UNKNOWN flag */
- if (!lov->lov_tgts[ost_index]->ltd_active) {
- fm_local->fm_flags |= FIEMAP_EXTENT_LAST;
- fm_local->fm_mapped_extents = 1;
-
- lcl_fm_ext[0].fe_logical = lun_start;
- lcl_fm_ext[0].fe_length = obd_object_end -
- lun_start;
- lcl_fm_ext[0].fe_flags |= FIEMAP_EXTENT_UNKNOWN;
-
- goto inactive_tgt;
- }
-
- fm_local->fm_start = lun_start;
- fm_local->fm_flags &= ~FIEMAP_FLAG_DEVICE_ORDER;
- memcpy(&fm_key->fiemap, fm_local, sizeof(*fm_local));
- *vallen=fiemap_count_to_size(fm_local->fm_extent_count);
- rc = obd_get_info(NULL,
- lov->lov_tgts[ost_index]->ltd_exp,
- keylen, key, vallen, fm_local, lsm);
- if (rc != 0)
- GOTO(out, rc);
-
-inactive_tgt:
- ext_count = fm_local->fm_mapped_extents;
- if (ext_count == 0) {
- ost_done = 1;
- /* If last stripe has hole at the end,
- * then we need to return */
- if (cur_stripe_wrap == last_stripe) {
- fiemap->fm_mapped_extents = 0;
- goto finish;
- }
- break;
- }
-
- /* If we just need num of extents then go to next device */
- if (get_num_extents) {
- current_extent += ext_count;
- break;
- }
-
- len_mapped_single_call = lcl_fm_ext[ext_count-1].fe_logical -
- lun_start + lcl_fm_ext[ext_count - 1].fe_length;
-
- /* Have we finished mapping on this device? */
- if (req_fm_len <= len_mapped_single_call)
- ost_done = 1;
-
- /* Clear the EXTENT_LAST flag which can be present on
- * last extent */
- if (lcl_fm_ext[ext_count-1].fe_flags & FIEMAP_EXTENT_LAST)
- lcl_fm_ext[ext_count - 1].fe_flags &=
- ~FIEMAP_EXTENT_LAST;
-
- curr_loc = lov_stripe_size(lsm,
- lcl_fm_ext[ext_count - 1].fe_logical+
- lcl_fm_ext[ext_count - 1].fe_length,
- cur_stripe);
- if (curr_loc >= fm_key->oa.o_size)
- ost_eof = 1;
-
- fiemap_prepare_and_copy_exts(fiemap, lcl_fm_ext,
- ost_index, ext_count,
- current_extent);
-
- current_extent += ext_count;
-
- /* Ran out of available extents? */
- if (current_extent >= fiemap->fm_extent_count)
- goto finish;
- } while (ost_done == 0 && ost_eof == 0);
-
- if (cur_stripe_wrap == last_stripe)
- goto finish;
- }
-
-finish:
- /* Indicate that we are returning device offsets unless file just has
- * single stripe */
- if (lsm->lsm_stripe_count > 1)
- fiemap->fm_flags |= FIEMAP_FLAG_DEVICE_ORDER;
-
- if (get_num_extents)
- goto skip_last_device_calc;
-
- /* Check if we have reached the last stripe and whether mapping for that
- * stripe is done. */
- if (cur_stripe_wrap == last_stripe) {
- if (ost_done || ost_eof)
- fiemap->fm_extents[current_extent - 1].fe_flags |=
- FIEMAP_EXTENT_LAST;
- }
-
-skip_last_device_calc:
- fiemap->fm_mapped_extents = current_extent;
-
-out:
- if (fm_local)
- OBD_FREE_LARGE(fm_local, buffer_size);
- return rc;
-}
-
static int lov_get_info(const struct lu_env *env, struct obd_export *exp,
- __u32 keylen, void *key, __u32 *vallen, void *val,
- struct lov_stripe_md *lsm)
+ __u32 keylen, void *key, __u32 *vallen, void *val)
{
- struct obd_device *obddev = class_exp2obd(exp);
- struct lov_obd *lov = &obddev->u.lov;
- int i, rc;
- ENTRY;
-
- if (!vallen || !val)
- RETURN(-EFAULT);
-
- obd_getref(obddev);
-
- if (KEY_IS(KEY_LOCK_TO_STRIPE)) {
- struct {
- char name[16];
- struct ldlm_lock *lock;
- } *data = key;
- struct ldlm_res_id *res_id = &data->lock->l_resource->lr_name;
- struct lov_oinfo *loi;
- __u32 *stripe = val;
-
- if (*vallen < sizeof(*stripe))
- GOTO(out, rc = -EFAULT);
- *vallen = sizeof(*stripe);
-
- /* XXX This is another one of those bits that will need to
- * change if we ever actually support nested LOVs. It uses
- * the lock's export to find out which stripe it is. */
- /* XXX - it's assumed all the locks for deleted OSTs have
- * been cancelled. Also, the export for deleted OSTs will
- * be NULL and won't match the lock's export. */
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- loi = lsm->lsm_oinfo[i];
- if (lov_oinfo_is_dummy(loi))
- continue;
+ struct obd_device *obddev = class_exp2obd(exp);
+ struct lov_obd *lov = &obddev->u.lov;
+ struct lov_desc *ld = &lov->desc;
+ int rc = 0;
+ ENTRY;
- if (!lov->lov_tgts[loi->loi_ost_idx])
- continue;
- if (lov->lov_tgts[loi->loi_ost_idx]->ltd_exp ==
- data->lock->l_conn_export &&
- ostid_res_name_eq(&loi->loi_oi, res_id)) {
- *stripe = i;
- GOTO(out, rc = 0);
- }
- }
- LDLM_ERROR(data->lock, "lock on inode without such object");
- dump_lsm(D_ERROR, lsm);
- GOTO(out, rc = -ENXIO);
- } else if (KEY_IS(KEY_LAST_ID)) {
- struct obd_id_info *info = val;
- __u32 size = sizeof(obd_id);
- struct lov_tgt_desc *tgt;
-
- LASSERT(*vallen == sizeof(struct obd_id_info));
- tgt = lov->lov_tgts[info->idx];
-
- if (!tgt || !tgt->ltd_active)
- GOTO(out, rc = -ESRCH);
-
- rc = obd_get_info(env, tgt->ltd_exp, keylen, key,
- &size, info->data, NULL);
- GOTO(out, rc = 0);
- } else if (KEY_IS(KEY_LOVDESC)) {
- struct lov_desc *desc_ret = val;
- *desc_ret = lov->desc;
+ if (vallen == NULL || val == NULL)
+ RETURN(-EFAULT);
- GOTO(out, rc = 0);
- } else if (KEY_IS(KEY_FIEMAP)) {
- rc = lov_fiemap(lov, keylen, key, vallen, val, lsm);
- GOTO(out, rc);
- } else if (KEY_IS(KEY_CONNECT_FLAG)) {
- struct lov_tgt_desc *tgt;
- __u64 ost_idx = *((__u64*)val);
+ obd_getref(obddev);
- LASSERT(*vallen == sizeof(__u64));
- LASSERT(ost_idx < lov->desc.ld_tgt_count);
- tgt = lov->lov_tgts[ost_idx];
+ if (KEY_IS(KEY_MAX_EASIZE)) {
+ u32 max_stripe_count = min_t(u32, ld->ld_active_tgt_count,
+ LOV_MAX_STRIPE_COUNT);
- if (!tgt || !tgt->ltd_exp)
- GOTO(out, rc = -ESRCH);
+ *((u32 *)val) = lov_mds_md_size(max_stripe_count, LOV_MAGIC_V3);
+ } else if (KEY_IS(KEY_DEFAULT_EASIZE)) {
+ u32 def_stripe_count = min_t(u32, ld->ld_default_stripe_count,
+ LOV_MAX_STRIPE_COUNT);
- *((__u64 *)val) = exp_connect_flags(tgt->ltd_exp);
- GOTO(out, rc = 0);
- } else if (KEY_IS(KEY_TGT_COUNT)) {
- *((int *)val) = lov->desc.ld_tgt_count;
- GOTO(out, rc = 0);
- }
+ *((u32 *)val) = lov_mds_md_size(def_stripe_count, LOV_MAGIC_V3);
+ } else if (KEY_IS(KEY_TGT_COUNT)) {
+ *((int *)val) = lov->desc.ld_tgt_count;
+ } else {
+ rc = -EINVAL;
+ }
- rc = -EINVAL;
+ obd_putref(obddev);
-out:
- obd_putref(obddev);
- RETURN(rc);
+ RETURN(rc);
}
static int lov_set_info_async(const struct lu_env *env, struct obd_export *exp,
- obd_count keylen, void *key, obd_count vallen,
- void *val, struct ptlrpc_request_set *set)
+ __u32 keylen, void *key,
+ __u32 vallen, void *val,
+ struct ptlrpc_request_set *set)
{
- struct obd_device *obddev = class_exp2obd(exp);
- struct lov_obd *lov = &obddev->u.lov;
- obd_count count;
- int i, rc = 0, err;
- struct lov_tgt_desc *tgt;
- unsigned incr, check_uuid,
- do_inactive, no_set;
- unsigned next_id = 0, mds_con = 0, capa = 0;
+ struct obd_device *obddev = class_exp2obd(exp);
+ struct lov_obd *lov = &obddev->u.lov;
+ struct lov_tgt_desc *tgt;
+ int do_inactive = 0;
+ int no_set = 0;
+ u32 count;
+ u32 i;
+ int rc = 0;
+ int err;
ENTRY;
- incr = check_uuid = do_inactive = no_set = 0;
if (set == NULL) {
no_set = 1;
set = ptlrpc_prep_set();
obd_getref(obddev);
count = lov->desc.ld_tgt_count;
- if (KEY_IS(KEY_NEXT_ID)) {
- count = vallen / sizeof(struct obd_id_info);
- vallen = sizeof(obd_id);
- incr = sizeof(struct obd_id_info);
- do_inactive = 1;
- next_id = 1;
- } else if (KEY_IS(KEY_CHECKSUM)) {
+ if (KEY_IS(KEY_CHECKSUM)) {
do_inactive = 1;
- } else if (KEY_IS(KEY_EVICT_BY_NID)) {
- /* use defaults: do_inactive = incr = 0; */
- } else if (KEY_IS(KEY_MDS_CONN)) {
- mds_con = 1;
- } else if (KEY_IS(KEY_CAPA_KEY)) {
- capa = 1;
} else if (KEY_IS(KEY_CACHE_SET)) {
LASSERT(lov->lov_cache == NULL);
lov->lov_cache = val;
do_inactive = 1;
+ cl_cache_incref(lov->lov_cache);
}
- for (i = 0; i < count; i++, val = (char *)val + incr) {
- if (next_id) {
- tgt = lov->lov_tgts[((struct obd_id_info*)val)->idx];
- } else {
- tgt = lov->lov_tgts[i];
- }
+ for (i = 0; i < count; i++) {
+ tgt = lov->lov_tgts[i];
+
/* OST was disconnected */
if (!tgt || !tgt->ltd_exp)
continue;
if (!tgt->ltd_active && !do_inactive)
continue;
- if (mds_con) {
- struct mds_group_info *mgi;
-
- LASSERT(vallen == sizeof(*mgi));
- mgi = (struct mds_group_info *)val;
-
- /* Only want a specific OSC */
- if (mgi->uuid && !obd_uuid_equals(mgi->uuid,
- &tgt->ltd_uuid))
- continue;
-
- err = obd_set_info_async(env, tgt->ltd_exp,
- keylen, key, sizeof(int),
- &mgi->group, set);
- } else if (next_id) {
- err = obd_set_info_async(env, tgt->ltd_exp,
- keylen, key, vallen,
- ((struct obd_id_info*)val)->data, set);
- } else if (capa) {
- struct mds_capa_info *info = (struct mds_capa_info*)val;
-
- LASSERT(vallen == sizeof(*info));
-
- /* Only want a specific OSC */
- if (info->uuid &&
- !obd_uuid_equals(info->uuid, &tgt->ltd_uuid))
- continue;
-
- err = obd_set_info_async(env, tgt->ltd_exp, keylen,
- key, sizeof(*info->capa),
- info->capa, set);
- } else {
- /* Only want a specific OSC */
- if (check_uuid &&
- !obd_uuid_equals(val, &tgt->ltd_uuid))
- continue;
-
- err = obd_set_info_async(env, tgt->ltd_exp,
- keylen, key, vallen, val, set);
- }
-
+ err = obd_set_info_async(env, tgt->ltd_exp, keylen, key,
+ vallen, val, set);
if (!rc)
rc = err;
}
int i, rc = 0;
ENTRY;
- if (oqctl->qc_cmd != LUSTRE_Q_QUOTAON &&
- oqctl->qc_cmd != LUSTRE_Q_QUOTAOFF &&
- oqctl->qc_cmd != Q_GETOQUOTA &&
- oqctl->qc_cmd != Q_INITQUOTA &&
- oqctl->qc_cmd != LUSTRE_Q_SETQUOTA &&
- oqctl->qc_cmd != Q_FINVALIDATE) {
+ if (oqctl->qc_cmd != Q_GETOQUOTA &&
+ oqctl->qc_cmd != LUSTRE_Q_SETQUOTA) {
CERROR("%s: bad quota opc %x for lov obd\n",
obd->obd_name, oqctl->qc_cmd);
RETURN(-EFAULT);
RETURN(rc);
}
-static int lov_quotacheck(struct obd_device *obd, struct obd_export *exp,
- struct obd_quotactl *oqctl)
-{
- struct lov_obd *lov = &obd->u.lov;
- int i, rc = 0;
- ENTRY;
-
- obd_getref(obd);
-
- for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- if (!lov->lov_tgts[i])
- continue;
-
- /* Skip quota check on the administratively disabled OSTs. */
- if (!lov->lov_tgts[i]->ltd_activate) {
- CWARN("lov idx %d was administratively disabled, "
- "skip quotacheck on it.\n", i);
- continue;
- }
-
- if (!lov->lov_tgts[i]->ltd_active) {
- CERROR("lov idx %d inactive\n", i);
- rc = -EIO;
- goto out;
- }
- }
-
- for (i = 0; i < lov->desc.ld_tgt_count; i++) {
- int err;
-
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_activate)
- continue;
-
- err = obd_quotacheck(lov->lov_tgts[i]->ltd_exp, oqctl);
- if (err && !rc)
- rc = err;
- }
-
-out:
- obd_putref(obd);
-
- RETURN(rc);
-}
-
static struct obd_ops lov_obd_ops = {
.o_owner = THIS_MODULE,
.o_setup = lov_setup,
- .o_precleanup = lov_precleanup,
.o_cleanup = lov_cleanup,
.o_connect = lov_connect,
.o_disconnect = lov_disconnect,
.o_statfs = lov_statfs,
.o_statfs_async = lov_statfs_async,
- .o_packmd = lov_packmd,
- .o_unpackmd = lov_unpackmd,
- .o_create = lov_create,
- .o_destroy = lov_destroy,
- .o_getattr_async = lov_getattr_async,
- .o_setattr_async = lov_setattr_async,
- .o_change_cbdata = lov_change_cbdata,
- .o_find_cbdata = lov_find_cbdata,
.o_iocontrol = lov_iocontrol,
.o_get_info = lov_get_info,
.o_set_info_async = lov_set_info_async,
.o_getref = lov_getref,
.o_putref = lov_putref,
.o_quotactl = lov_quotactl,
- .o_quotacheck = lov_quotacheck,
};
struct kmem_cache *lov_oinfo_slab;
-extern struct lu_kmem_descr lov_caches[];
-
-int __init lov_init(void)
+static int __init lov_init(void)
{
bool enable_proc = true;
struct obd_type *type;
RETURN(rc);
}
-static void /*__exit*/ lov_exit(void)
+static void __exit lov_exit(void)
{
class_unregister_type(LUSTRE_LOV_NAME);
kmem_cache_destroy(lov_oinfo_slab);
lu_kmem_fini(lov_caches);
}
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
-MODULE_DESCRIPTION("Lustre Logical Object Volume OBD driver");
+MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
+MODULE_DESCRIPTION("Lustre Logical Object Volume");
+MODULE_VERSION(LUSTRE_VERSION_STRING);
MODULE_LICENSE("GPL");
-cfs_module(lov, LUSTRE_VERSION_STRING, lov_init, lov_exit);
+module_init(lov_init);
+module_exit(lov_exit);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff