staging: lustre: replace OBD_SLAB_ALLOC_PTR_GFP with kmem_cache_alloc

The OBD_SLAB_ALLOC_PTR_GFP macro expands to call to kmem_cache_alloc,
which may be used directly.
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/lclient/lcommon_cl.c

@@ -116,7 +116,7 @@ void *ccc_key_init(const struct lu_context *ctx, struct lu_context_key *key)
 {
 	struct ccc_thread_info *info;
 
-	OBD_SLAB_ALLOC_PTR_GFP(info, ccc_thread_kmem, GFP_NOFS);
+	info = kmem_cache_alloc(ccc_thread_kmem, GFP_NOFS | __GFP_ZERO);
 	if (info == NULL)
 		info = ERR_PTR(-ENOMEM);
 	return info;
@@ -135,7 +135,7 @@ void *ccc_session_key_init(const struct lu_context *ctx,
 {
 	struct ccc_session *session;
 
-	OBD_SLAB_ALLOC_PTR_GFP(session, ccc_session_kmem, GFP_NOFS);
+	session = kmem_cache_alloc(ccc_session_kmem, GFP_NOFS | __GFP_ZERO);
 	if (session == NULL)
 		session = ERR_PTR(-ENOMEM);
 	return session;
@@ -251,7 +251,7 @@ int ccc_req_init(const struct lu_env *env, struct cl_device *dev,
 	struct ccc_req *vrq;
 	int result;
 
-	OBD_SLAB_ALLOC_PTR_GFP(vrq, ccc_req_kmem, GFP_NOFS);
+	vrq = kmem_cache_alloc(ccc_req_kmem, GFP_NOFS | __GFP_ZERO);
 	if (vrq != NULL) {
 		cl_req_slice_add(req, &vrq->crq_cl, dev, &ccc_req_ops);
 		result = 0;
@@ -327,7 +327,7 @@ struct lu_object *ccc_object_alloc(const struct lu_env *env,
 	struct ccc_object *vob;
 	struct lu_object  *obj;
 
-	OBD_SLAB_ALLOC_PTR_GFP(vob, ccc_object_kmem, GFP_NOFS);
+	vob = kmem_cache_alloc(ccc_object_kmem, GFP_NOFS | __GFP_ZERO);
 	if (vob != NULL) {
 		struct cl_object_header *hdr;
 
@@ -396,7 +396,7 @@ int ccc_lock_init(const struct lu_env *env,
 
 	CLOBINVRNT(env, obj, ccc_object_invariant(obj));
 
-	OBD_SLAB_ALLOC_PTR_GFP(clk, ccc_lock_kmem, GFP_NOFS);
+	clk = kmem_cache_alloc(ccc_lock_kmem, GFP_NOFS | __GFP_ZERO);
 	if (clk != NULL) {
 		cl_lock_slice_add(lock, &clk->clk_cl, obj, lkops);
 		result = 0;

drivers/staging/lustre/lustre/ldlm/ldlm_extent.c

@@ -112,7 +112,7 @@ struct ldlm_interval *ldlm_interval_alloc(struct ldlm_lock *lock)
 	struct ldlm_interval *node;
 
 	LASSERT(lock->l_resource->lr_type == LDLM_EXTENT);
-	OBD_SLAB_ALLOC_PTR_GFP(node, ldlm_interval_slab, GFP_NOFS);
+	node = kmem_cache_alloc(ldlm_interval_slab, GFP_NOFS | __GFP_ZERO);
 	if (node == NULL)
 		return NULL;
 

drivers/staging/lustre/lustre/ldlm/ldlm_lock.c

@@ -415,7 +415,7 @@ static struct ldlm_lock *ldlm_lock_new(struct ldlm_resource *resource)
 	if (resource == NULL)
 		LBUG();
 
-	OBD_SLAB_ALLOC_PTR_GFP(lock, ldlm_lock_slab, GFP_NOFS);
+	lock = kmem_cache_alloc(ldlm_lock_slab, GFP_NOFS | __GFP_ZERO);
 	if (lock == NULL)
 		return NULL;
 

drivers/staging/lustre/lustre/ldlm/ldlm_resource.c

@@ -1031,7 +1031,7 @@ static struct ldlm_resource *ldlm_resource_new(void)
 	struct ldlm_resource *res;
 	int idx;
 
-	OBD_SLAB_ALLOC_PTR_GFP(res, ldlm_resource_slab, GFP_NOFS);
+	res = kmem_cache_alloc(ldlm_resource_slab, GFP_NOFS | __GFP_ZERO);
 	if (res == NULL)
 		return NULL;
 

drivers/staging/lustre/lustre/llite/file.c

@@ -64,7 +64,7 @@ static struct ll_file_data *ll_file_data_get(void)
 {
 	struct ll_file_data *fd;
 
-	OBD_SLAB_ALLOC_PTR_GFP(fd, ll_file_data_slab, GFP_NOFS);
+	fd = kmem_cache_alloc(ll_file_data_slab, GFP_NOFS | __GFP_ZERO);
 	if (fd == NULL)
 		return NULL;
 	fd->fd_write_failed = false;

drivers/staging/lustre/lustre/llite/remote_perm.c

@@ -61,7 +61,7 @@ static inline struct ll_remote_perm *alloc_ll_remote_perm(void)
 {
 	struct ll_remote_perm *lrp;
 
-	OBD_SLAB_ALLOC_PTR_GFP(lrp, ll_remote_perm_cachep, GFP_KERNEL);
+	lrp = kmem_cache_alloc(ll_remote_perm_cachep, GFP_KERNEL | __GFP_ZERO);
 	if (lrp)
 		INIT_HLIST_NODE(&lrp->lrp_list);
 	return lrp;

drivers/staging/lustre/lustre/llite/super25.c

@@ -53,7 +53,7 @@ static struct inode *ll_alloc_inode(struct super_block *sb)
 	struct ll_inode_info *lli;
 
 	ll_stats_ops_tally(ll_s2sbi(sb), LPROC_LL_ALLOC_INODE, 1);
-	OBD_SLAB_ALLOC_PTR_GFP(lli, ll_inode_cachep, GFP_NOFS);
+	lli = kmem_cache_alloc(ll_inode_cachep, GFP_NOFS | __GFP_ZERO);
 	if (lli == NULL)
 		return NULL;
 

drivers/staging/lustre/lustre/llite/vvp_dev.c

@@ -79,7 +79,7 @@ static void *vvp_key_init(const struct lu_context *ctx,
 {
 	struct vvp_thread_info *info;
 
-	OBD_SLAB_ALLOC_PTR_GFP(info, vvp_thread_kmem, GFP_NOFS);
+	info = kmem_cache_alloc(vvp_thread_kmem, GFP_NOFS | __GFP_ZERO);
 	if (info == NULL)
 		info = ERR_PTR(-ENOMEM);
 	return info;
@@ -98,7 +98,7 @@ static void *vvp_session_key_init(const struct lu_context *ctx,
 {
 	struct vvp_session *session;
 
-	OBD_SLAB_ALLOC_PTR_GFP(session, vvp_session_kmem, GFP_NOFS);
+	session = kmem_cache_alloc(vvp_session_kmem, GFP_NOFS | __GFP_ZERO);
 	if (session == NULL)
 		session = ERR_PTR(-ENOMEM);
 	return session;

drivers/staging/lustre/lustre/llite/xattr_cache.c

@@ -115,7 +115,7 @@ static int ll_xattr_cache_add(struct list_head *cache,
 		return -EPROTO;
 	}
 
-	OBD_SLAB_ALLOC_PTR_GFP(xattr, xattr_kmem, GFP_NOFS);
+	xattr = kmem_cache_alloc(xattr_kmem, GFP_NOFS | __GFP_ZERO);
 	if (xattr == NULL) {
 		CDEBUG(D_CACHE, "failed to allocate xattr\n");
 		return -ENOMEM;

drivers/staging/lustre/lustre/lov/lov_dev.c

@@ -142,7 +142,7 @@ static void *lov_key_init(const struct lu_context *ctx,
 {
 	struct lov_thread_info *info;
 
-	OBD_SLAB_ALLOC_PTR_GFP(info, lov_thread_kmem, GFP_NOFS);
+	info = kmem_cache_alloc(lov_thread_kmem, GFP_NOFS | __GFP_ZERO);
 	if (info != NULL)
 		INIT_LIST_HEAD(&info->lti_closure.clc_list);
 	else
@@ -170,7 +170,7 @@ static void *lov_session_key_init(const struct lu_context *ctx,
 {
 	struct lov_session *info;
 
-	OBD_SLAB_ALLOC_PTR_GFP(info, lov_session_kmem, GFP_NOFS);
+	info = kmem_cache_alloc(lov_session_kmem, GFP_NOFS | __GFP_ZERO);
 	if (info == NULL)
 		info = ERR_PTR(-ENOMEM);
 	return info;
@@ -261,7 +261,7 @@ static int lov_req_init(const struct lu_env *env, struct cl_device *dev,
 	struct lov_req *lr;
 	int result;
 
-	OBD_SLAB_ALLOC_PTR_GFP(lr, lov_req_kmem, GFP_NOFS);
+	lr = kmem_cache_alloc(lov_req_kmem, GFP_NOFS | __GFP_ZERO);
 	if (lr != NULL) {
 		cl_req_slice_add(req, &lr->lr_cl, dev, &lov_req_ops);
 		result = 0;

drivers/staging/lustre/lustre/lov/lov_ea.c

@@ -100,7 +100,7 @@ struct lov_stripe_md *lsm_alloc_plain(__u16 stripe_count, int *size)
 		return NULL;
 
 	for (i = 0; i < stripe_count; i++) {
-		OBD_SLAB_ALLOC_PTR_GFP(loi, lov_oinfo_slab, GFP_NOFS);
+		loi = kmem_cache_alloc(lov_oinfo_slab, GFP_NOFS | __GFP_ZERO);
 		if (loi == NULL)
 			goto err;
 		lsm->lsm_oinfo[i] = loi;

drivers/staging/lustre/lustre/lov/lov_lock.c

@@ -144,7 +144,7 @@ static struct cl_lock *lov_sublock_alloc(const struct lu_env *env,
 
 	LASSERT(idx < lck->lls_nr);
 
-	OBD_SLAB_ALLOC_PTR_GFP(link, lov_lock_link_kmem, GFP_NOFS);
+	link = kmem_cache_alloc(lov_lock_link_kmem, GFP_NOFS | __GFP_ZERO);
 	if (link != NULL) {
 		struct lov_sublock_env *subenv;
 		struct lov_lock_sub  *lls;
@@ -1139,7 +1139,7 @@ int lov_lock_init_raid0(const struct lu_env *env, struct cl_object *obj,
 	struct lov_lock *lck;
 	int result;
 
-	OBD_SLAB_ALLOC_PTR_GFP(lck, lov_lock_kmem, GFP_NOFS);
+	lck = kmem_cache_alloc(lov_lock_kmem, GFP_NOFS | __GFP_ZERO);
 	if (lck != NULL) {
 		cl_lock_slice_add(lock, &lck->lls_cl, obj, &lov_lock_ops);
 		result = lov_lock_sub_init(env, lck, io);
@@ -1175,7 +1175,7 @@ int lov_lock_init_empty(const struct lu_env *env, struct cl_object *obj,
 	struct lov_lock *lck;
 	int result = -ENOMEM;
 
-	OBD_SLAB_ALLOC_PTR_GFP(lck, lov_lock_kmem, GFP_NOFS);
+	lck = kmem_cache_alloc(lov_lock_kmem, GFP_NOFS | __GFP_ZERO);
 	if (lck != NULL) {
 		cl_lock_slice_add(lock, &lck->lls_cl, obj, &lov_empty_lock_ops);
 		lck->lls_orig = lock->cll_descr;

drivers/staging/lustre/lustre/lov/lov_object.c

@@ -891,7 +891,7 @@ struct lu_object *lov_object_alloc(const struct lu_env *env,
 	struct lov_object *lov;
 	struct lu_object  *obj;
 
-	OBD_SLAB_ALLOC_PTR_GFP(lov, lov_object_kmem, GFP_NOFS);
+	lov = kmem_cache_alloc(lov_object_kmem, GFP_NOFS | __GFP_ZERO);
 	if (lov != NULL) {
 		obj = lov2lu(lov);
 		lu_object_init(obj, NULL, dev);

drivers/staging/lustre/lustre/lov/lovsub_dev.c

@@ -146,7 +146,7 @@ static int lovsub_req_init(const struct lu_env *env, struct cl_device *dev,
 	struct lovsub_req *lsr;
 	int result;
 
-	OBD_SLAB_ALLOC_PTR_GFP(lsr, lovsub_req_kmem, GFP_NOFS);
+	lsr = kmem_cache_alloc(lovsub_req_kmem, GFP_NOFS | __GFP_ZERO);
 	if (lsr != NULL) {
 		cl_req_slice_add(req, &lsr->lsrq_cl, dev, &lovsub_req_ops);
 		result = 0;

drivers/staging/lustre/lustre/lov/lovsub_lock.c

@@ -453,7 +453,7 @@ int lovsub_lock_init(const struct lu_env *env, struct cl_object *obj,
 	struct lovsub_lock *lsk;
 	int result;
 
-	OBD_SLAB_ALLOC_PTR_GFP(lsk, lovsub_lock_kmem, GFP_NOFS);
+	lsk = kmem_cache_alloc(lovsub_lock_kmem, GFP_NOFS | __GFP_ZERO);
 	if (lsk != NULL) {
 		INIT_LIST_HEAD(&lsk->lss_parents);
 		cl_lock_slice_add(lock, &lsk->lss_cl, obj, &lovsub_lock_ops);

drivers/staging/lustre/lustre/lov/lovsub_object.c

@@ -143,7 +143,7 @@ struct lu_object *lovsub_object_alloc(const struct lu_env *env,
 	struct lovsub_object *los;
 	struct lu_object     *obj;
 
-	OBD_SLAB_ALLOC_PTR_GFP(los, lovsub_object_kmem, GFP_NOFS);
+	los = kmem_cache_alloc(lovsub_object_kmem, GFP_NOFS | __GFP_ZERO);
 	if (los != NULL) {
 		struct cl_object_header *hdr;
 

drivers/staging/lustre/lustre/obdclass/cl_lock.c

@@ -361,7 +361,7 @@ static struct cl_lock *cl_lock_alloc(const struct lu_env *env,
 	struct cl_lock	  *lock;
 	struct lu_object_header *head;
 
-	OBD_SLAB_ALLOC_PTR_GFP(lock, cl_lock_kmem, GFP_NOFS);
+	lock = kmem_cache_alloc(cl_lock_kmem, GFP_NOFS | __GFP_ZERO);
 	if (lock != NULL) {
 		atomic_set(&lock->cll_ref, 1);
 		lock->cll_descr = *descr;

drivers/staging/lustre/lustre/obdclass/cl_object.c

@@ -661,7 +661,7 @@ static struct lu_env *cl_env_new(__u32 ctx_tags, __u32 ses_tags, void *debug)
 	struct lu_env *env;
 	struct cl_env *cle;
 
-	OBD_SLAB_ALLOC_PTR_GFP(cle, cl_env_kmem, GFP_NOFS);
+	cle = kmem_cache_alloc(cl_env_kmem, GFP_NOFS | __GFP_ZERO);
 	if (cle != NULL) {
 		int rc;
 

drivers/staging/lustre/lustre/obdclass/genops.c

@@ -68,7 +68,7 @@ static struct obd_device *obd_device_alloc(void)
 {
 	struct obd_device *obd;
 
-	OBD_SLAB_ALLOC_PTR_GFP(obd, obd_device_cachep, GFP_NOFS);
+	obd = kmem_cache_alloc(obd_device_cachep, GFP_NOFS | __GFP_ZERO);
 	if (obd != NULL)
 		obd->obd_magic = OBD_DEVICE_MAGIC;
 	return obd;

drivers/staging/lustre/lustre/obdecho/echo_client.c

@@ -396,7 +396,7 @@ static int echo_lock_init(const struct lu_env *env,
 {
 	struct echo_lock *el;
 
-	OBD_SLAB_ALLOC_PTR_GFP(el, echo_lock_kmem, GFP_NOFS);
+	el = kmem_cache_alloc(echo_lock_kmem, GFP_NOFS | __GFP_ZERO);
 	if (el != NULL) {
 		cl_lock_slice_add(lock, &el->el_cl, obj, &echo_lock_ops);
 		el->el_object = cl2echo_obj(obj);
@@ -567,7 +567,7 @@ static struct lu_object *echo_object_alloc(const struct lu_env *env,
 
 	/* we're the top dev. */
 	LASSERT(hdr == NULL);
-	OBD_SLAB_ALLOC_PTR_GFP(eco, echo_object_kmem, GFP_NOFS);
+	eco = kmem_cache_alloc(echo_object_kmem, GFP_NOFS | __GFP_ZERO);
 	if (eco != NULL) {
 		struct cl_object_header *hdr = &eco->eo_hdr;
 
@@ -630,7 +630,7 @@ static void *echo_thread_key_init(const struct lu_context *ctx,
 {
 	struct echo_thread_info *info;
 
-	OBD_SLAB_ALLOC_PTR_GFP(info, echo_thread_kmem, GFP_NOFS);
+	info = kmem_cache_alloc(echo_thread_kmem, GFP_NOFS | __GFP_ZERO);
 	if (info == NULL)
 		info = ERR_PTR(-ENOMEM);
 	return info;
@@ -661,7 +661,7 @@ static void *echo_session_key_init(const struct lu_context *ctx,
 {
 	struct echo_session_info *session;
 
-	OBD_SLAB_ALLOC_PTR_GFP(session, echo_session_kmem, GFP_NOFS);
+	session = kmem_cache_alloc(echo_session_kmem, GFP_NOFS | __GFP_ZERO);
 	if (session == NULL)
 		session = ERR_PTR(-ENOMEM);
 	return session;

drivers/staging/lustre/lustre/osc/osc_cache.c

@@ -346,7 +346,7 @@ static struct osc_extent *osc_extent_alloc(struct osc_object *obj)
 {
 	struct osc_extent *ext;
 
-	OBD_SLAB_ALLOC_PTR_GFP(ext, osc_extent_kmem, GFP_IOFS);
+	ext = kmem_cache_alloc(osc_extent_kmem, GFP_IOFS | __GFP_ZERO);
 	if (ext == NULL)
 		return NULL;
 

drivers/staging/lustre/lustre/osc/osc_dev.c

@@ -122,7 +122,7 @@ static void *osc_key_init(const struct lu_context *ctx,
 {
 	struct osc_thread_info *info;
 
-	OBD_SLAB_ALLOC_PTR_GFP(info, osc_thread_kmem, GFP_NOFS);
+	info = kmem_cache_alloc(osc_thread_kmem, GFP_NOFS | __GFP_ZERO);
 	if (info == NULL)
 		info = ERR_PTR(-ENOMEM);
 	return info;
@@ -147,7 +147,7 @@ static void *osc_session_init(const struct lu_context *ctx,
 {
 	struct osc_session *info;
 
-	OBD_SLAB_ALLOC_PTR_GFP(info, osc_session_kmem, GFP_NOFS);
+	info = kmem_cache_alloc(osc_session_kmem, GFP_NOFS | __GFP_ZERO);
 	if (info == NULL)
 		info = ERR_PTR(-ENOMEM);
 	return info;

drivers/staging/lustre/lustre/osc/osc_io.c

@@ -803,7 +803,7 @@ int osc_req_init(const struct lu_env *env, struct cl_device *dev,
 	struct osc_req *or;
 	int result;
 
-	OBD_SLAB_ALLOC_PTR_GFP(or, osc_req_kmem, GFP_NOFS);
+	or = kmem_cache_alloc(osc_req_kmem, GFP_NOFS | __GFP_ZERO);
 	if (or != NULL) {
 		cl_req_slice_add(req, &or->or_cl, dev, &osc_req_ops);
 		result = 0;

drivers/staging/lustre/lustre/osc/osc_lock.c

@@ -1555,7 +1555,7 @@ int osc_lock_init(const struct lu_env *env,
 	struct osc_lock *clk;
 	int result;
 
-	OBD_SLAB_ALLOC_PTR_GFP(clk, osc_lock_kmem, GFP_NOFS);
+	clk = kmem_cache_alloc(osc_lock_kmem, GFP_NOFS | __GFP_ZERO);
 	if (clk != NULL) {
 		__u32 enqflags = lock->cll_descr.cld_enq_flags;
 

drivers/staging/lustre/lustre/osc/osc_object.c

@@ -255,7 +255,7 @@ struct lu_object *osc_object_alloc(const struct lu_env *env,
 	struct osc_object *osc;
 	struct lu_object *obj;
 
-	OBD_SLAB_ALLOC_PTR_GFP(osc, osc_object_kmem, GFP_NOFS);
+	osc = kmem_cache_alloc(osc_object_kmem, GFP_NOFS | __GFP_ZERO);
 	if (osc != NULL) {
 		obj = osc2lu(osc);
 		lu_object_init(obj, NULL, dev);

drivers/staging/lustre/lustre/ptlrpc/client.c

@@ -423,7 +423,7 @@ struct ptlrpc_request *ptlrpc_request_cache_alloc(gfp_t flags)
 {
 	struct ptlrpc_request *req;
 
-	OBD_SLAB_ALLOC_PTR_GFP(req, request_cache, flags);
+	req = kmem_cache_alloc(request_cache, flags | __GFP_ZERO);
 	return req;
 }