13 files changed, 157 insertions, 521 deletions

diff --git a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h
index 9740568d9521..4d2b7d303fea 100644
--- a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h
+++ b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h
@@ -289,8 +289,8 @@ struct lov_lock {
 };
 
 struct lov_page {
-	struct cl_page_slice lps_cl;
-	int		  lps_invalid;
+	struct cl_page_slice	lps_cl;
+	unsigned int		lps_stripe; /* stripe index */
 };
 
 /*
@@ -556,6 +556,8 @@ struct lov_lock_link *lov_lock_link_find(const struct lu_env *env,
 					 struct lovsub_lock *sub);
 struct lov_io_sub *lov_page_subio(const struct lu_env *env, struct lov_io *lio,
 				  const struct cl_page_slice *slice);
+
+struct lov_stripe_md *lov_lsm_addref(struct lov_object *lov);
 int lov_page_stripe(const struct cl_page *page);
 
 #define lov_foreach_target(lov, var)		    \
@@ -742,11 +744,15 @@ static inline struct lov_thread_info *lov_env_info(const struct lu_env *env)
 static inline struct lov_layout_raid0 *lov_r0(struct lov_object *lov)
 {
 	LASSERT(lov->lo_type == LLT_RAID0);
-	LASSERT(lov->lo_lsm->lsm_wire.lw_magic == LOV_MAGIC ||
-		lov->lo_lsm->lsm_wire.lw_magic == LOV_MAGIC_V3);
+	LASSERT(lov->lo_lsm->lsm_magic == LOV_MAGIC ||
+		lov->lo_lsm->lsm_magic == LOV_MAGIC_V3);
 	return &lov->u.raid0;
 }
 
+/* lov_pack.c */
+int lov_getstripe(struct lov_object *obj, struct lov_stripe_md *lsm,
+		  struct lov_user_md __user *lump);
+
 /** @} lov */
 
 #endif
diff --git a/drivers/staging/lustre/lustre/lov/lov_dev.c b/drivers/staging/lustre/lustre/lov/lov_dev.c
index b1f260d43bc7..056ae2ed88e8 100644
--- a/drivers/staging/lustre/lustre/lov/lov_dev.c
+++ b/drivers/staging/lustre/lustre/lov/lov_dev.c
@@ -516,6 +516,5 @@ struct lu_device_type lov_device_type = {
 	.ldt_ops      = &lov_device_type_ops,
 	.ldt_ctx_tags = LCT_CL_THREAD
 };
-EXPORT_SYMBOL(lov_device_type);
 
 /** @} lov */
diff --git a/drivers/staging/lustre/lustre/lov/lov_ea.c b/drivers/staging/lustre/lustre/lov/lov_ea.c
index 5053dead17bb..214c561767e0 100644
--- a/drivers/staging/lustre/lustre/lov/lov_ea.c
+++ b/drivers/staging/lustre/lustre/lov/lov_ea.c
@@ -66,7 +66,8 @@ static int lsm_lmm_verify_common(struct lov_mds_md *lmm, int lmm_bytes,
 	}
 
 	if (lmm->lmm_stripe_size == 0 ||
-	    (le32_to_cpu(lmm->lmm_stripe_size)&(LOV_MIN_STRIPE_SIZE-1)) != 0) {
+	    (le32_to_cpu(lmm->lmm_stripe_size) &
+	     (LOV_MIN_STRIPE_SIZE - 1)) != 0) {
 		CERROR("bad stripe size %u\n",
 		       le32_to_cpu(lmm->lmm_stripe_size));
 		lov_dump_lmm_common(D_WARNING, lmm);
@@ -146,21 +147,15 @@ lsm_stripe_by_offset_plain(struct lov_stripe_md *lsm, int *stripeno,
 		*swidth = (u64)lsm->lsm_stripe_size * lsm->lsm_stripe_count;
 }
 
-static int lsm_destroy_plain(struct lov_stripe_md *lsm, struct obdo *oa,
-			     struct obd_export *md_exp)
-{
-	return 0;
-}
-
 /* Find minimum stripe maxbytes value.  For inactive or
- * reconnecting targets use LUSTRE_STRIPE_MAXBYTES.
+ * reconnecting targets use LUSTRE_EXT3_STRIPE_MAXBYTES.
  */
 static void lov_tgt_maxbytes(struct lov_tgt_desc *tgt, __u64 *stripe_maxbytes)
 {
 	struct obd_import *imp = tgt->ltd_obd->u.cli.cl_import;
 
 	if (!imp || !tgt->ltd_active) {
-		*stripe_maxbytes = LUSTRE_STRIPE_MAXBYTES;
+		*stripe_maxbytes = LUSTRE_EXT3_STRIPE_MAXBYTES;
 		return;
 	}
 
@@ -171,7 +166,7 @@ static void lov_tgt_maxbytes(struct lov_tgt_desc *tgt, __u64 *stripe_maxbytes)
 		if (*stripe_maxbytes > imp->imp_connect_data.ocd_maxbytes)
 			*stripe_maxbytes = imp->imp_connect_data.ocd_maxbytes;
 	} else {
-		*stripe_maxbytes = LUSTRE_STRIPE_MAXBYTES;
+		*stripe_maxbytes = LUSTRE_EXT3_STRIPE_MAXBYTES;
 	}
 	spin_unlock(&imp->imp_lock);
 }
@@ -245,7 +240,6 @@ static int lsm_unpackmd_v1(struct lov_obd *lov, struct lov_stripe_md *lsm,
 
 const struct lsm_operations lsm_v1_ops = {
 	.lsm_free	    = lsm_free_plain,
-	.lsm_destroy	 = lsm_destroy_plain,
 	.lsm_stripe_by_index    = lsm_stripe_by_index_plain,
 	.lsm_stripe_by_offset   = lsm_stripe_by_offset_plain,
 	.lsm_lmm_verify	 = lsm_lmm_verify_v1,
@@ -335,7 +329,6 @@ static int lsm_unpackmd_v3(struct lov_obd *lov, struct lov_stripe_md *lsm,
 
 const struct lsm_operations lsm_v3_ops = {
 	.lsm_free	    = lsm_free_plain,
-	.lsm_destroy	 = lsm_destroy_plain,
 	.lsm_stripe_by_index    = lsm_stripe_by_index_plain,
 	.lsm_stripe_by_offset   = lsm_stripe_by_offset_plain,
 	.lsm_lmm_verify	 = lsm_lmm_verify_v3,
diff --git a/drivers/staging/lustre/lustre/lov/lov_internal.h b/drivers/staging/lustre/lustre/lov/lov_internal.h
index 12bd511e8988..07e5ede3e952 100644
--- a/drivers/staging/lustre/lustre/lov/lov_internal.h
+++ b/drivers/staging/lustre/lustre/lov/lov_internal.h
@@ -134,8 +134,6 @@ static inline void lov_put_reqset(struct lov_request_set *set)
 /* lov_merge.c */
 void lov_merge_attrs(struct obdo *tgt, struct obdo *src, u64 valid,
 		     struct lov_stripe_md *lsm, int stripeno, int *set);
-int lov_adjust_kms(struct obd_export *exp, struct lov_stripe_md *lsm,
-		   u64 size, int shrink);
 int lov_merge_lvb_kms(struct lov_stripe_md *lsm,
 		      struct ost_lvb *lvb, __u64 *kms_place);
 
@@ -157,11 +155,6 @@ int lov_update_common_set(struct lov_request_set *set,
 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
 			 struct lov_request_set **reqset);
 int lov_fini_getattr_set(struct lov_request_set *set);
-int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
-			 struct obdo *src_oa, struct lov_stripe_md *lsm,
-			 struct obd_trans_info *oti,
-			 struct lov_request_set **reqset);
-int lov_fini_destroy_set(struct lov_request_set *set);
 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
 			 struct obd_trans_info *oti,
 			 struct lov_request_set **reqset);
@@ -197,8 +190,6 @@ int lov_packmd(struct obd_export *exp, struct lov_mds_md **lmm,
 	       struct lov_stripe_md *lsm);
 int lov_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
 		 struct lov_mds_md *lmm, int lmm_bytes);
-int lov_getstripe(struct obd_export *exp,
-		  struct lov_stripe_md *lsm, struct lov_user_md __user *lump);
 int lov_alloc_memmd(struct lov_stripe_md **lsmp, __u16 stripe_count,
 		    int pattern, int magic);
 int lov_free_memmd(struct lov_stripe_md **lsmp);
diff --git a/drivers/staging/lustre/lustre/lov/lov_io.c b/drivers/staging/lustre/lustre/lov/lov_io.c
index 84032a510254..d10157985ed9 100644
--- a/drivers/staging/lustre/lustre/lov/lov_io.c
+++ b/drivers/staging/lustre/lustre/lov/lov_io.c
@@ -87,6 +87,9 @@ static void lov_io_sub_inherit(struct cl_io *io, struct lov_io *lio,
 	case CIT_SETATTR: {
 		io->u.ci_setattr.sa_attr = parent->u.ci_setattr.sa_attr;
 		io->u.ci_setattr.sa_valid = parent->u.ci_setattr.sa_valid;
+		io->u.ci_setattr.sa_stripe_index = stripe;
+		io->u.ci_setattr.sa_parent_fid =
+					parent->u.ci_setattr.sa_parent_fid;
 		if (cl_io_is_trunc(io)) {
 			loff_t new_size = parent->u.ci_setattr.sa_attr.lvb_size;
 
@@ -244,14 +247,12 @@ void lov_sub_put(struct lov_io_sub *sub)
 
 int lov_page_stripe(const struct cl_page *page)
 {
-	struct lovsub_object *subobj;
 	const struct cl_page_slice *slice;
 
-	slice = cl_page_at(page, &lovsub_device_type);
+	slice = cl_page_at(page, &lov_device_type);
 	LASSERT(slice->cpl_obj);
 
-	subobj = cl2lovsub(slice->cpl_obj);
-	return subobj->lso_index;
+	return cl2lov_page(slice)->lps_stripe;
 }
 
 struct lov_io_sub *lov_page_subio(const struct lu_env *env, struct lov_io *lio,
@@ -298,8 +299,8 @@ static int lov_io_subio_init(const struct lu_env *env, struct lov_io *lio,
 	return result;
 }
 
-static void lov_io_slice_init(struct lov_io *lio,
-			      struct lov_object *obj, struct cl_io *io)
+static int lov_io_slice_init(struct lov_io *lio, struct lov_object *obj,
+			     struct cl_io *io)
 {
 	io->ci_result = 0;
 	lio->lis_object = obj;
@@ -314,6 +315,15 @@ static void lov_io_slice_init(struct lov_io *lio,
 		lio->lis_io_endpos = lio->lis_endpos;
 		if (cl_io_is_append(io)) {
 			LASSERT(io->ci_type == CIT_WRITE);
+
+			/*
+			 * If there is LOV EA hole, then we may cannot locate
+			 * the current file-tail exactly.
+			 */
+			if (unlikely(obj->lo_lsm->lsm_pattern &
+				     LOV_PATTERN_F_HOLE))
+				return -EIO;
+
 			lio->lis_pos = 0;
 			lio->lis_endpos = OBD_OBJECT_EOF;
 		}
@@ -349,6 +359,7 @@ static void lov_io_slice_init(struct lov_io *lio,
 	default:
 		LBUG();
 	}
+	return 0;
 }
 
 static void lov_io_fini(const struct lu_env *env, const struct cl_io_slice *ios)
@@ -870,7 +881,7 @@ int lov_io_init_raid0(const struct lu_env *env, struct cl_object *obj,
 	struct lov_object   *lov = cl2lov(obj);
 
 	INIT_LIST_HEAD(&lio->lis_active);
-	lov_io_slice_init(lio, lov, io);
+	io->ci_result = lov_io_slice_init(lio, lov, io);
 	if (io->ci_result == 0) {
 		io->ci_result = lov_io_subio_init(env, lio, io);
 		if (io->ci_result == 0) {
diff --git a/drivers/staging/lustre/lustre/lov/lov_merge.c b/drivers/staging/lustre/lustre/lov/lov_merge.c
index b9c90865fdfc..674af106b50b 100644
--- a/drivers/staging/lustre/lustre/lov/lov_merge.c
+++ b/drivers/staging/lustre/lustre/lov/lov_merge.c
@@ -105,45 +105,6 @@ int lov_merge_lvb_kms(struct lov_stripe_md *lsm,
 	return rc;
 }
 
-/* Must be called under the lov_stripe_lock() */
-int lov_adjust_kms(struct obd_export *exp, struct lov_stripe_md *lsm,
-		   u64 size, int shrink)
-{
-	struct lov_oinfo *loi;
-	int stripe = 0;
-	__u64 kms;
-
-	assert_spin_locked(&lsm->lsm_lock);
-	LASSERT(lsm->lsm_lock_owner == current_pid());
-
-	if (shrink) {
-		for (; stripe < lsm->lsm_stripe_count; stripe++) {
-			struct lov_oinfo *loi = lsm->lsm_oinfo[stripe];
-
-			kms = lov_size_to_stripe(lsm, size, stripe);
-			CDEBUG(D_INODE,
-			       "stripe %d KMS %sing %llu->%llu\n",
-			       stripe, kms > loi->loi_kms ? "increase":"shrink",
-			       loi->loi_kms, kms);
-			loi->loi_lvb.lvb_size = kms;
-			loi_kms_set(loi, loi->loi_lvb.lvb_size);
-		}
-		return 0;
-	}
-
-	if (size > 0)
-		stripe = lov_stripe_number(lsm, size - 1);
-	kms = lov_size_to_stripe(lsm, size, stripe);
-	loi = lsm->lsm_oinfo[stripe];
-
-	CDEBUG(D_INODE, "stripe %d KMS %sincreasing %llu->%llu\n",
-	       stripe, kms > loi->loi_kms ? "" : "not ", loi->loi_kms, kms);
-	if (kms > loi->loi_kms)
-		loi_kms_set(loi, kms);
-
-	return 0;
-}
-
 void lov_merge_attrs(struct obdo *tgt, struct obdo *src, u64 valid,
 		     struct lov_stripe_md *lsm, int stripeno, int *set)
 {
diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c
index 9b92d5522edb..b23016f7ec26 100644
--- a/drivers/staging/lustre/lustre/lov/lov_obd.c
+++ b/drivers/staging/lustre/lustre/lov/lov_obd.c
@@ -41,6 +41,7 @@
 #include "../../include/linux/libcfs/libcfs.h"
 
 #include "../include/obd_support.h"
+#include "../include/lustre/lustre_ioctl.h"
 #include "../include/lustre_lib.h"
 #include "../include/lustre_net.h"
 #include "../include/lustre/lustre_idl.h"
@@ -940,7 +941,7 @@ int lov_process_config_base(struct obd_device *obd, struct lustre_cfg *lcfg,
 	}
 	case LCFG_PARAM: {
 		struct lprocfs_static_vars lvars = { NULL };
-		struct lov_desc *desc = &(obd->u.lov.desc);
+		struct lov_desc *desc = &obd->u.lov.desc;
 
 		if (!desc) {
 			rc = -EINVAL;
@@ -971,92 +972,6 @@ out:
 	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;
-
-	LASSERT(src_oa->o_valid & OBD_MD_FLFLAGS &&
-		src_oa->o_flags & OBD_FL_RECREATE_OBJS);
-
-	obj_mdp = kzalloc(sizeof(*obj_mdp), GFP_NOFS);
-	if (!obj_mdp)
-		return -ENOMEM;
-
-	ost_idx = src_oa->o_nlink;
-	lsm = *ea;
-	if (!lsm) {
-		rc = -EINVAL;
-		goto out;
-	}
-	if (ost_idx >= lov->desc.ld_tgt_count ||
-	    !lov->lov_tgts[ost_idx]) {
-		rc = -EINVAL;
-		goto out;
-	}
-
-	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)) {
-				rc = -EINVAL;
-				goto out;
-			}
-			break;
-		}
-	}
-	if (i == lsm->lsm_stripe_count) {
-		rc = -EINVAL;
-		goto out;
-	}
-
-	rc = obd_create(NULL, lov->lov_tgts[ost_idx]->ltd_exp,
-			src_oa, &obj_mdp, oti);
-out:
-	kfree(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;
-
-	LASSERT(ea);
-	if (!exp)
-		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));						\
@@ -1065,59 +980,6 @@ do {									    \
 		 "%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)
-{
-	struct lov_request_set *set;
-	struct obd_info oinfo;
-	struct lov_request *req;
-	struct lov_obd *lov;
-	int rc = 0, err = 0;
-
-	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;
-
-	list_for_each_entry(req, &set->set_list, 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);
-		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)
-		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)
 {
@@ -1267,46 +1129,6 @@ static int lov_setattr_async(struct obd_export *exp, struct obd_info *oinfo,
 	return 0;
 }
 
-/* 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;
-
-	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;
@@ -1460,7 +1282,7 @@ static int lov_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
 		}
 
 		desc = (struct lov_desc *)data->ioc_inlbuf1;
-		memcpy(desc, &(lov->desc), sizeof(*desc));
+		memcpy(desc, &lov->desc, sizeof(*desc));
 
 		uuidp = (struct obd_uuid *)data->ioc_inlbuf2;
 		genp = (__u32 *)data->ioc_inlbuf3;
@@ -1477,9 +1299,6 @@ static int lov_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
 		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;
@@ -1726,6 +1545,8 @@ static int lov_fiemap(struct lov_obd *lov, __u32 keylen, void *key,
 	u64 fm_start, fm_end, fm_length, fm_end_offset;
 	u64 curr_loc;
 	int current_extent = 0, rc = 0, i;
+	/* Whether have we collected enough extents */
+	bool enough = false;
 	int ost_eof = 0; /* EOF for object */
 	int ost_done = 0; /* done with required mapping for this OST? */
 	int last_stripe;
@@ -1860,7 +1681,7 @@ static int lov_fiemap(struct lov_obd *lov, __u32 keylen, void *key,
 			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_extent_count = enough ? 1 : count_local;
 			fm_local->fm_mapped_extents = 0;
 			fm_local->fm_flags = fiemap->fm_flags;
 
@@ -1908,6 +1729,12 @@ inactive_tgt:
 					goto finish;
 				}
 				break;
+			} else if (enough) {
+				/*
+				 * We've collected enough extents and there are
+				 * more extents after it.
+				 */
+				goto finish;
 			}
 
 			/* If we just need num of extents then go to next device */
@@ -1916,8 +1743,9 @@ inactive_tgt:
 				break;
 			}
 
-			len_mapped_single_call = lcl_fm_ext[ext_count-1].fe_logical -
-				  lun_start + lcl_fm_ext[ext_count - 1].fe_length;
+			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)
@@ -1926,14 +1754,15 @@ inactive_tgt:
 			/* Clear the EXTENT_LAST flag which can be present on
 			 * last extent
 			 */
-			if (lcl_fm_ext[ext_count-1].fe_flags & FIEMAP_EXTENT_LAST)
+			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);
+					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;
 
@@ -1945,7 +1774,7 @@ inactive_tgt:
 
 			/* Ran out of available extents? */
 			if (current_extent >= fiemap->fm_extent_count)
-				goto finish;
+				enough = true;
 		} while (ost_done == 0 && ost_eof == 0);
 
 		if (cur_stripe_wrap == last_stripe)
@@ -1985,73 +1814,14 @@ static int lov_get_info(const struct lu_env *env, struct obd_export *exp,
 {
 	struct obd_device *obddev = class_exp2obd(exp);
 	struct lov_obd *lov = &obddev->u.lov;
-	int i, rc;
+	int rc;
 
 	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)) {
-			rc = -EFAULT;
-			goto out;
-		}
-		*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;
-
-			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;
-				rc = 0;
-				goto out;
-			}
-		}
-		LDLM_ERROR(data->lock, "lock on inode without such object");
-		dump_lsm(D_ERROR, lsm);
-		rc = -ENXIO;
-		goto out;
-	} else if (KEY_IS(KEY_LAST_ID)) {
-		struct obd_id_info *info = val;
-		__u32 size = sizeof(u64);
-		struct lov_tgt_desc *tgt;
-
-		LASSERT(*vallen == sizeof(struct obd_id_info));
-		tgt = lov->lov_tgts[info->idx];
-
-		if (!tgt || !tgt->ltd_active) {
-			rc = -ESRCH;
-			goto out;
-		}
-
-		rc = obd_get_info(env, tgt->ltd_exp, keylen, key,
-				  &size, info->data, NULL);
-		rc = 0;
-		goto out;
-	} else if (KEY_IS(KEY_LOVDESC)) {
+	if (KEY_IS(KEY_LOVDESC)) {
 		struct lov_desc *desc_ret = val;
 		*desc_ret = lov->desc;
 
@@ -2060,22 +1830,6 @@ static int lov_get_info(const struct lu_env *env, struct obd_export *exp,
 	} else if (KEY_IS(KEY_FIEMAP)) {
 		rc = lov_fiemap(lov, keylen, key, vallen, val, lsm);
 		goto out;
-	} else if (KEY_IS(KEY_CONNECT_FLAG)) {
-		struct lov_tgt_desc *tgt;
-		__u64 ost_idx = *((__u64 *)val);
-
-		LASSERT(*vallen == sizeof(__u64));
-		LASSERT(ost_idx < lov->desc.ld_tgt_count);
-		tgt = lov->lov_tgts[ost_idx];
-
-		if (!tgt || !tgt->ltd_exp) {
-			rc = -ESRCH;
-			goto out;
-		}
-
-		*((__u64 *)val) = exp_connect_flags(tgt->ltd_exp);
-		rc = 0;
-		goto out;
 	} else if (KEY_IS(KEY_TGT_COUNT)) {
 		*((int *)val) = lov->desc.ld_tgt_count;
 		rc = 0;
@@ -2098,8 +1852,7 @@ static int lov_set_info_async(const struct lu_env *env, struct obd_export *exp,
 	u32 count;
 	int i, rc = 0, err;
 	struct lov_tgt_desc *tgt;
-	unsigned int incr = 0, check_uuid = 0, do_inactive = 0, no_set = 0;
-	unsigned int next_id = 0, mds_con = 0;
+	int do_inactive = 0, no_set = 0;
 
 	if (!set) {
 		no_set = 1;
@@ -2111,18 +1864,8 @@ static int lov_set_info_async(const struct lu_env *env, struct obd_export *exp,
 	obd_getref(obddev);
 	count = lov->desc.ld_tgt_count;
 
-	if (KEY_IS(KEY_NEXT_ID)) {
-		count = vallen / sizeof(struct obd_id_info);
-		vallen = sizeof(u64);
-		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_CACHE_SET)) {
 		LASSERT(!lov->lov_cache);
 		lov->lov_cache = val;
@@ -2130,11 +1873,9 @@ static int lov_set_info_async(const struct lu_env *env, struct obd_export *exp,
 		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;
@@ -2143,34 +1884,8 @@ static int lov_set_info_async(const struct lu_env *env, struct obd_export *exp,
 		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 {
-			/* 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;
 	}
@@ -2318,12 +2033,8 @@ static struct obd_ops lov_obd_ops = {
 	.statfs_async   = lov_statfs_async,
 	.packmd         = lov_packmd,
 	.unpackmd       = lov_unpackmd,
-	.create         = lov_create,
-	.destroy        = lov_destroy,
 	.getattr_async  = lov_getattr_async,
 	.setattr_async  = lov_setattr_async,
-	.adjust_kms     = lov_adjust_kms,
-	.find_cbdata    = lov_find_cbdata,
 	.iocontrol      = lov_iocontrol,
 	.get_info       = lov_get_info,
 	.set_info_async = lov_set_info_async,
diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c b/drivers/staging/lustre/lustre/lov/lov_object.c
index f9621b0fd469..52f736338887 100644
--- a/drivers/staging/lustre/lustre/lov/lov_object.c
+++ b/drivers/staging/lustre/lustre/lov/lov_object.c
@@ -75,6 +75,13 @@ struct lov_layout_operations {
 
 static int lov_layout_wait(const struct lu_env *env, struct lov_object *lov);
 
+void lov_lsm_put(struct cl_object *unused, struct lov_stripe_md *lsm)
+{
+	if (lsm)
+		lov_free_memmd(&lsm);
+}
+EXPORT_SYMBOL(lov_lsm_put);
+
 /*****************************************************************************
  *
  * Lov object layout operations.
@@ -195,6 +202,10 @@ static int lov_page_slice_fixup(struct lov_object *lov,
 	struct cl_object_header *hdr = cl_object_header(&lov->lo_cl);
 	struct cl_object *o;
 
+	if (!stripe)
+		return hdr->coh_page_bufsize - lov->lo_cl.co_slice_off -
+		       cfs_size_round(sizeof(struct lov_page));
+
 	cl_object_for_each(o, stripe)
 		o->co_slice_off += hdr->coh_page_bufsize;
 
@@ -224,6 +235,7 @@ static int lov_init_raid0(const struct lu_env *env,
 
 	LASSERT(!lov->lo_lsm);
 	lov->lo_lsm = lsm_addref(lsm);
+	lov->lo_layout_invalid = true;
 	r0->lo_nr  = lsm->lsm_stripe_count;
 	LASSERT(r0->lo_nr <= lov_targets_nr(dev));
 
@@ -719,6 +731,10 @@ static int lov_layout_change(const struct lu_env *unused,
 		LASSERT(atomic_read(&lov->lo_active_ios) == 0);
 
 		lov->lo_type = LLT_EMPTY;
+		/* page bufsize fixup */
+		cl_object_header(&lov->lo_cl)->coh_page_bufsize -=
+			lov_page_slice_fixup(lov, NULL);
+
 		result = new_ops->llo_init(env,
 					lu2lov_dev(lov->lo_cl.co_lu.lo_dev),
 					lov, conf, state);
@@ -878,8 +894,8 @@ static int lov_attr_get(const struct lu_env *env, struct cl_object *obj,
 	return LOV_2DISPATCH_NOLOCK(cl2lov(obj), llo_getattr, env, obj, attr);
 }
 
-static int lov_attr_set(const struct lu_env *env, struct cl_object *obj,
-			const struct cl_attr *attr, unsigned valid)
+static int lov_attr_update(const struct lu_env *env, struct cl_object *obj,
+			   const struct cl_attr *attr, unsigned int valid)
 {
 	/*
 	 * No dispatch is required here, as no layout implements this.
@@ -895,13 +911,30 @@ int lov_lock_init(const struct lu_env *env, struct cl_object *obj,
 				    io);
 }
 
+static int lov_object_getstripe(const struct lu_env *env, struct cl_object *obj,
+				struct lov_user_md __user *lum)
+{
+	struct lov_object *lov = cl2lov(obj);
+	struct lov_stripe_md *lsm;
+	int rc = 0;
+
+	lsm = lov_lsm_addref(lov);
+	if (!lsm)
+		return -ENODATA;
+
+	rc = lov_getstripe(cl2lov(obj), lsm, lum);
+	lov_lsm_put(obj, lsm);
+	return rc;
+}
+
 static const struct cl_object_operations lov_ops = {
 	.coo_page_init = lov_page_init,
 	.coo_lock_init = lov_lock_init,
 	.coo_io_init   = lov_io_init,
 	.coo_attr_get  = lov_attr_get,
-	.coo_attr_set  = lov_attr_set,
-	.coo_conf_set  = lov_conf_set
+	.coo_attr_update = lov_attr_update,
+	.coo_conf_set  = lov_conf_set,
+	.coo_getstripe = lov_object_getstripe
 };
 
 static const struct lu_object_operations lov_lu_obj_ops = {
@@ -938,7 +971,7 @@ struct lu_object *lov_object_alloc(const struct lu_env *env,
 	return obj;
 }
 
-static struct lov_stripe_md *lov_lsm_addref(struct lov_object *lov)
+struct lov_stripe_md *lov_lsm_addref(struct lov_object *lov)
 {
 	struct lov_stripe_md *lsm = NULL;
 
@@ -969,13 +1002,6 @@ struct lov_stripe_md *lov_lsm_get(struct cl_object *clobj)
 }
 EXPORT_SYMBOL(lov_lsm_get);
 
-void lov_lsm_put(struct cl_object *unused, struct lov_stripe_md *lsm)
-{
-	if (lsm)
-		lov_free_memmd(&lsm);
-}
-EXPORT_SYMBOL(lov_lsm_put);
-
 int lov_read_and_clear_async_rc(struct cl_object *clob)
 {
 	struct lu_object *luobj;
diff --git a/drivers/staging/lustre/lustre/lov/lov_pack.c b/drivers/staging/lustre/lustre/lov/lov_pack.c
index 869ef41b13ca..be6e9857ce2a 100644
--- a/drivers/staging/lustre/lustre/lov/lov_pack.c
+++ b/drivers/staging/lustre/lustre/lov/lov_pack.c
@@ -45,6 +45,7 @@
 #include "../include/lustre/lustre_user.h"
 
 #include "lov_internal.h"
+#include "lov_cl_internal.h"
 
 void lov_dump_lmm_common(int level, void *lmmp)
 {
@@ -104,11 +105,9 @@ void lov_dump_lmm_v3(int level, struct lov_mds_md_v3 *lmm)
  *     LOVs properly.  For now lov_mds_md_size() just assumes one u64
  *     per stripe.
  */
-int lov_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
-	       struct lov_stripe_md *lsm)
+int lov_obd_packmd(struct lov_obd *lov, struct lov_mds_md **lmmp,
+		   struct lov_stripe_md *lsm)
 {
-	struct obd_device *obd = class_exp2obd(exp);
-	struct lov_obd *lov = &obd->u.lov;
 	struct lov_mds_md_v1 *lmmv1;
 	struct lov_mds_md_v3 *lmmv3;
 	__u16 stripe_count;
@@ -148,16 +147,11 @@ int lov_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
 			stripe_count = 0;
 		}
 	} else {
-		/* No need to allocate more than maximum supported stripes.
-		 * Anyway, this is pretty inaccurate since ld_tgt_count now
-		 * represents max index and we should rely on the actual number
-		 * of OSTs instead
+		/*
+		 * To calculate maximum easize by active targets at present,
+		 * which is exactly the maximum easize to be seen by LOV
 		 */
-		stripe_count = lov_mds_md_max_stripe_count(
-			lov->lov_ocd.ocd_max_easize, lmm_magic);
-
-		if (stripe_count > lov->desc.ld_tgt_count)
-			stripe_count = lov->desc.ld_tgt_count;
+		stripe_count = lov->desc.ld_active_tgt_count;
 	}
 
 	/* XXX LOV STACKING call into osc for sizes */
@@ -225,6 +219,15 @@ int lov_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
 	return lmm_size;
 }
 
+int lov_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
+	       struct lov_stripe_md *lsm)
+{
+	struct obd_device *obd = class_exp2obd(exp);
+	struct lov_obd *lov = &obd->u.lov;
+
+	return lov_obd_packmd(lov, lmmp, lsm);
+}
+
 /* Find the max stripecount we should use */
 __u16 lov_get_stripecnt(struct lov_obd *lov, __u32 magic, __u16 stripe_count)
 {
@@ -284,7 +287,7 @@ int lov_alloc_memmd(struct lov_stripe_md **lsmp, __u16 stripe_count,
 	spin_lock_init(&(*lsmp)->lsm_lock);
 	(*lsmp)->lsm_magic = magic;
 	(*lsmp)->lsm_stripe_count = stripe_count;
-	(*lsmp)->lsm_maxbytes = LUSTRE_STRIPE_MAXBYTES * stripe_count;
+	(*lsmp)->lsm_maxbytes = LUSTRE_EXT3_STRIPE_MAXBYTES * stripe_count;
 	(*lsmp)->lsm_pattern = pattern;
 	(*lsmp)->lsm_pool_name[0] = '\0';
 	(*lsmp)->lsm_layout_gen = 0;
@@ -372,16 +375,17 @@ int lov_unpackmd(struct obd_export *exp,  struct lov_stripe_md **lsmp,
  * the maximum number of OST indices which will fit in the user buffer.
  * lmm_magic must be LOV_USER_MAGIC.
  */
-int lov_getstripe(struct obd_export *exp, struct lov_stripe_md *lsm,
+int lov_getstripe(struct lov_object *obj, struct lov_stripe_md *lsm,
 		  struct lov_user_md __user *lump)
 {
 	/*
 	 * XXX huge struct allocated on stack.
 	 */
 	/* we use lov_user_md_v3 because it is larger than lov_user_md_v1 */
+	struct lov_obd *lov;
 	struct lov_user_md_v3 lum;
 	struct lov_mds_md *lmmk = NULL;
-	int rc, lmm_size;
+	int rc, lmmk_size, lmm_size;
 	int lum_size;
 	mm_segment_t seg;
 
@@ -401,12 +405,13 @@ int lov_getstripe(struct obd_export *exp, struct lov_stripe_md *lsm,
 	lum_size = sizeof(struct lov_user_md_v1);
 	if (copy_from_user(&lum, lump, lum_size)) {
 		rc = -EFAULT;
-		goto out_set;
+		goto out;
 	}
-	if ((lum.lmm_magic != LOV_USER_MAGIC) &&
-	    (lum.lmm_magic != LOV_USER_MAGIC_V3)) {
+	if (lum.lmm_magic != LOV_USER_MAGIC_V1 &&
+	    lum.lmm_magic != LOV_USER_MAGIC_V3 &&
+	    lum.lmm_magic != LOV_USER_MAGIC_SPECIFIC) {
 		rc = -EINVAL;
-		goto out_set;
+		goto out;
 	}
 
 	if (lum.lmm_stripe_count &&
@@ -415,11 +420,13 @@ int lov_getstripe(struct obd_export *exp, struct lov_stripe_md *lsm,
 		lum.lmm_stripe_count = lsm->lsm_stripe_count;
 		rc = copy_to_user(lump, &lum, lum_size);
 		rc = -EOVERFLOW;
-		goto out_set;
+		goto out;
 	}
-	rc = lov_packmd(exp, &lmmk, lsm);
+	lov = lu2lov_dev(obj->lo_cl.co_lu.lo_dev)->ld_lov;
+	rc = lov_obd_packmd(lov, &lmmk, lsm);
 	if (rc < 0)
-		goto out_set;
+		goto out;
+	lmmk_size = rc;
 	lmm_size = rc;
 	rc = 0;
 
@@ -455,7 +462,7 @@ int lov_getstripe(struct obd_export *exp, struct lov_stripe_md *lsm,
 		lmm_size = lum_size;
 	} else if (lum.lmm_stripe_count < lmmk->lmm_stripe_count) {
 		rc = -EOVERFLOW;
-		goto out_set;
+		goto out_free;
 	}
 	/*
 	 * Have a difference between lov_mds_md & lov_user_md.
@@ -468,8 +475,9 @@ int lov_getstripe(struct obd_export *exp, struct lov_stripe_md *lsm,
 	if (copy_to_user(lump, lmmk, lmm_size))
 		rc = -EFAULT;
 
-	obd_free_diskmd(exp, &lmmk);
-out_set:
+out_free:
+	kfree(lmmk);
+out:
 	set_fs(seg);
 	return rc;
 }
diff --git a/drivers/staging/lustre/lustre/lov/lov_page.c b/drivers/staging/lustre/lustre/lov/lov_page.c
index c17026f14896..00bfabad78eb 100644
--- a/drivers/staging/lustre/lustre/lov/lov_page.c
+++ b/drivers/staging/lustre/lustre/lov/lov_page.c
@@ -65,7 +65,9 @@ static int lov_raid0_page_is_under_lock(const struct lu_env *env,
 	pgoff_t index = *max_index;
 	unsigned int pps; /* pages per stripe */
 
-	CDEBUG(D_READA, "*max_index = %lu, nr = %d\n", index, r0->lo_nr);
+	CDEBUG(D_READA, DFID "*max_index = %lu, nr = %d\n",
+	       PFID(lu_object_fid(lov2lu(loo))), index, r0->lo_nr);
+
 	if (index == 0) /* the page is not covered by any lock */
 		return 0;
 
@@ -80,7 +82,12 @@ static int lov_raid0_page_is_under_lock(const struct lu_env *env,
 
 	/* calculate the end of current stripe */
 	pps = loo->lo_lsm->lsm_stripe_size >> PAGE_SHIFT;
-	index = ((slice->cpl_index + pps) & ~(pps - 1)) - 1;
+	index = slice->cpl_index + pps - slice->cpl_index % pps - 1;
+
+	CDEBUG(D_READA, DFID "*max_index = %lu, index = %lu, pps = %u, stripe_size = %u, stripe no = %u, page index = %lu\n",
+	       PFID(lu_object_fid(lov2lu(loo))), *max_index, index, pps,
+	       loo->lo_lsm->lsm_stripe_size, lov_page_stripe(slice->cpl_page),
+	       slice->cpl_index);
 
 	/* never exceed the end of the stripe */
 	*max_index = min_t(pgoff_t, *max_index, index);
@@ -122,6 +129,7 @@ int lov_page_init_raid0(const struct lu_env *env, struct cl_object *obj,
 	rc = lov_stripe_offset(loo->lo_lsm, offset, stripe, &suboff);
 	LASSERT(rc == 0);
 
+	lpg->lps_stripe = stripe;
 	cl_page_slice_add(page, &lpg->lps_cl, obj, index, &lov_raid0_page_ops);
 
 	sub = lov_sub_get(env, lio, stripe);
diff --git a/drivers/staging/lustre/lustre/lov/lov_pool.c b/drivers/staging/lustre/lustre/lov/lov_pool.c
index 4c2d21729589..f8c8a361ef79 100644
--- a/drivers/staging/lustre/lustre/lov/lov_pool.c
+++ b/drivers/staging/lustre/lustre/lov/lov_pool.c
@@ -61,7 +61,7 @@ void lov_pool_putref(struct pool_desc *pool)
 		LASSERT(hlist_unhashed(&pool->pool_hash));
 		LASSERT(list_empty(&pool->pool_list));
 		LASSERT(!pool->pool_debugfs_entry);
-		lov_ost_pool_free(&(pool->pool_obds));
+		lov_ost_pool_free(&pool->pool_obds);
 		kfree(pool);
 	}
 }
@@ -92,7 +92,7 @@ static __u32 pool_hashfn(struct cfs_hash *hash_body, const void *key, unsigned m
 	for (i = 0; i < LOV_MAXPOOLNAME; i++) {
 		if (poolname[i] == '\0')
 			break;
-		result = (result << 4)^(result >> 28) ^  poolname[i];
+		result = (result << 4) ^ (result >> 28) ^  poolname[i];
 	}
 	return (result % mask);
 }
@@ -260,7 +260,7 @@ static int pool_proc_show(struct seq_file *s, void *v)
 	tgt = pool_tgt(iter->pool, iter->idx);
 	up_read(&pool_tgt_rw_sem(iter->pool));
 	if (tgt)
-		seq_printf(s, "%s\n", obd_uuid2str(&(tgt->ltd_uuid)));
+		seq_printf(s, "%s\n", obd_uuid2str(&tgt->ltd_uuid));
 
 	return 0;
 }
@@ -400,7 +400,7 @@ int lov_pool_new(struct obd_device *obd, char *poolname)
 	struct pool_desc *new_pool;
 	int rc;
 
-	lov = &(obd->u.lov);
+	lov = &obd->u.lov;
 
 	if (strlen(poolname) > LOV_MAXPOOLNAME)
 		return -ENAMETOOLONG;
@@ -471,7 +471,7 @@ int lov_pool_del(struct obd_device *obd, char *poolname)
 	struct lov_obd *lov;
 	struct pool_desc *pool;
 
-	lov = &(obd->u.lov);
+	lov = &obd->u.lov;
 
 	/* lookup and kill hash reference */
 	pool = cfs_hash_del_key(lov->lov_pools_hash_body, poolname);
@@ -503,7 +503,7 @@ int lov_pool_add(struct obd_device *obd, char *poolname, char *ostname)
 	unsigned int lov_idx;
 	int rc;
 
-	lov = &(obd->u.lov);
+	lov = &obd->u.lov;
 
 	pool = cfs_hash_lookup(lov->lov_pools_hash_body, poolname);
 	if (!pool)
@@ -517,7 +517,7 @@ int lov_pool_add(struct obd_device *obd, char *poolname, char *ostname)
 		if (!lov->lov_tgts[lov_idx])
 			continue;
 		if (obd_uuid_equals(&ost_uuid,
-				    &(lov->lov_tgts[lov_idx]->ltd_uuid)))
+				    &lov->lov_tgts[lov_idx]->ltd_uuid))
 			break;
 	}
 	/* test if ost found in lov */
@@ -547,7 +547,7 @@ int lov_pool_remove(struct obd_device *obd, char *poolname, char *ostname)
 	unsigned int lov_idx;
 	int rc = 0;
 
-	lov = &(obd->u.lov);
+	lov = &obd->u.lov;
 
 	pool = cfs_hash_lookup(lov->lov_pools_hash_body, poolname);
 	if (!pool)
@@ -562,7 +562,7 @@ int lov_pool_remove(struct obd_device *obd, char *poolname, char *ostname)
 			continue;
 
 		if (obd_uuid_equals(&ost_uuid,
-				    &(lov->lov_tgts[lov_idx]->ltd_uuid)))
+				    &lov->lov_tgts[lov_idx]->ltd_uuid))
 			break;
 	}
 
diff --git a/drivers/staging/lustre/lustre/lov/lov_request.c b/drivers/staging/lustre/lustre/lov/lov_request.c
index 4099b51f826e..09dcaf484c89 100644
--- a/drivers/staging/lustre/lustre/lov/lov_request.c
+++ b/drivers/staging/lustre/lustre/lov/lov_request.c
@@ -325,84 +325,6 @@ out_set:
 	return rc;
 }
 
-int lov_fini_destroy_set(struct lov_request_set *set)
-{
-	if (!set)
-		return 0;
-	LASSERT(set->set_exp);
-	if (atomic_read(&set->set_completes)) {
-		/* FIXME update qos data here */
-	}
-
-	lov_put_reqset(set);
-
-	return 0;
-}
-
-int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
-			 struct obdo *src_oa, struct lov_stripe_md *lsm,
-			 struct obd_trans_info *oti,
-			 struct lov_request_set **reqset)
-{
-	struct lov_request_set *set;
-	struct lov_obd *lov = &exp->exp_obd->u.lov;
-	int rc = 0, i;
-
-	set = kzalloc(sizeof(*set), GFP_NOFS);
-	if (!set)
-		return -ENOMEM;
-	lov_init_set(set);
-
-	set->set_exp = exp;
-	set->set_oi = oinfo;
-	set->set_oi->oi_md = lsm;
-	set->set_oi->oi_oa = src_oa;
-	if (oti && src_oa->o_valid & OBD_MD_FLCOOKIE)
-		set->set_cookies = oti->oti_logcookies;
-
-	for (i = 0; i < lsm->lsm_stripe_count; i++) {
-		struct lov_oinfo *loi;
-		struct lov_request *req;
-
-		loi = lsm->lsm_oinfo[i];
-		if (lov_oinfo_is_dummy(loi))
-			continue;
-
-		if (!lov_check_and_wait_active(lov, loi->loi_ost_idx)) {
-			CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
-			continue;
-		}
-
-		req = kzalloc(sizeof(*req), GFP_NOFS);
-		if (!req) {
-			rc = -ENOMEM;
-			goto out_set;
-		}
-
-		req->rq_stripe = i;
-		req->rq_idx = loi->loi_ost_idx;
-
-		req->rq_oi.oi_oa = kmem_cache_zalloc(obdo_cachep, GFP_NOFS);
-		if (!req->rq_oi.oi_oa) {
-			kfree(req);
-			rc = -ENOMEM;
-			goto out_set;
-		}
-		memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
-		req->rq_oi.oi_oa->o_oi = loi->loi_oi;
-		lov_set_add_req(req, set);
-	}
-	if (!set->set_count) {
-		rc = -EIO;
-		goto out_set;
-	}
-	*reqset = set;
-	return rc;
-out_set:
-	lov_fini_destroy_set(set);
-	return rc;
-}
-
 int lov_fini_setattr_set(struct lov_request_set *set)
 {
 	int rc = 0;
diff --git a/drivers/staging/lustre/lustre/lov/lovsub_object.c b/drivers/staging/lustre/lustre/lov/lovsub_object.c
index fb2f2660b3e9..a2bac7a3b71b 100644
--- a/drivers/staging/lustre/lustre/lov/lovsub_object.c
+++ b/drivers/staging/lustre/lustre/lov/lovsub_object.c
@@ -98,8 +98,8 @@ static int lovsub_object_print(const struct lu_env *env, void *cookie,
 	return (*p)(env, cookie, "[%d]", los->lso_index);
 }
 
-static int lovsub_attr_set(const struct lu_env *env, struct cl_object *obj,
-			   const struct cl_attr *attr, unsigned valid)
+static int lovsub_attr_update(const struct lu_env *env, struct cl_object *obj,
+			      const struct cl_attr *attr, unsigned int valid)
 {
 	struct lov_object *lov = cl2lovsub(obj)->lso_super;
 
@@ -119,7 +119,7 @@ static int lovsub_object_glimpse(const struct lu_env *env,
 static const struct cl_object_operations lovsub_ops = {
 	.coo_page_init = lovsub_page_init,
 	.coo_lock_init = lovsub_lock_init,
-	.coo_attr_set  = lovsub_attr_set,
+	.coo_attr_update = lovsub_attr_update,
 	.coo_glimpse   = lovsub_object_glimpse
 };