#define _LIBCFS_H
-void *libcfs_kvzalloc(size_t size, gfp_t flags);
-
extern struct miscdevice libcfs_dev;
/**
* The path of debug log dump upcall script.
libcfs-linux-objs += linux-module.o
libcfs-linux-objs += linux-crypto.o
libcfs-linux-objs += linux-crypto-adler.o
-libcfs-linux-objs += linux-mem.o
libcfs-linux-objs := $(addprefix linux/,$(libcfs-linux-objs))
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.gnu.org/licenses/gpl-2.0.html
- *
- */
-/*
- * This file creates a memory allocation primitive for Lustre, that
- * allows to fallback to vmalloc allocations should regular kernel allocations
- * fail due to size or system memory fragmentation.
- *
- * Author: Oleg Drokin <green@linuxhacker.ru>
- *
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Seagate Technology.
- */
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-#include <linux/libcfs/libcfs.h>
-
-void *libcfs_kvzalloc(size_t size, gfp_t flags)
-{
- void *ret;
-
- ret = kzalloc(size, flags | __GFP_NOWARN);
- if (!ret)
- ret = __vmalloc(size, flags | __GFP_ZERO, PAGE_KERNEL);
- return ret;
-}
-EXPORT_SYMBOL(libcfs_kvzalloc);
goto out;
}
- lvbdata = libcfs_kvzalloc(lmmsize, GFP_NOFS);
+ lvbdata = kvzalloc(lmmsize, GFP_NOFS);
if (!lvbdata) {
rc = -ENOMEM;
goto out;
reqlen = offsetof(typeof(*hur),
hur_user_item[nr])
+ hur->hur_request.hr_data_len;
- req = libcfs_kvzalloc(reqlen, GFP_NOFS);
+ req = kvzalloc(reqlen, GFP_NOFS);
if (!req)
return -ENOMEM;
lsm_size = lmv_stripe_md_size(0);
if (!lsm) {
- lsm = libcfs_kvzalloc(lsm_size, GFP_NOFS);
+ lsm = kvzalloc(lsm_size, GFP_NOFS);
if (!lsm)
return -ENOMEM;
allocated = true;
oinfo_ptrs_size = sizeof(struct lov_oinfo *) * stripe_count;
lsm_size = sizeof(*lsm) + oinfo_ptrs_size;
- lsm = libcfs_kvzalloc(lsm_size, GFP_NOFS);
+ lsm = kvzalloc(lsm_size, GFP_NOFS);
if (!lsm)
return NULL;
* when writing a page. -jay
*/
lio->lis_subs =
- libcfs_kvzalloc(lsm->lsm_stripe_count *
+ kvzalloc(lsm->lsm_stripe_count *
sizeof(lio->lis_subs[0]),
GFP_NOFS);
if (lio->lis_subs) {
nr++;
}
LASSERT(nr > 0);
- lovlck = libcfs_kvzalloc(offsetof(struct lov_lock, lls_sub[nr]),
+ lovlck = kvzalloc(offsetof(struct lov_lock, lls_sub[nr]),
GFP_NOFS);
if (!lovlck)
return ERR_PTR(-ENOMEM);
r0->lo_nr = lsm->lsm_stripe_count;
LASSERT(r0->lo_nr <= lov_targets_nr(dev));
- r0->lo_sub = libcfs_kvzalloc(r0->lo_nr * sizeof(r0->lo_sub[0]),
+ r0->lo_sub = kvzalloc(r0->lo_nr * sizeof(r0->lo_sub[0]),
GFP_NOFS);
if (r0->lo_sub) {
int psz = 0;
if (fiemap_count_to_size(fiemap->fm_extent_count) < buffer_size)
buffer_size = fiemap_count_to_size(fiemap->fm_extent_count);
- fm_local = libcfs_kvzalloc(buffer_size, GFP_NOFS);
+ fm_local = kvzalloc(buffer_size, GFP_NOFS);
if (!fm_local) {
rc = -ENOMEM;
goto out;
lmmk_size = lov_mds_md_size(stripe_count, lsm->lsm_magic);
- lmmk = libcfs_kvzalloc(lmmk_size, GFP_NOFS);
+ lmmk = kvzalloc(lmmk_size, GFP_NOFS);
if (!lmmk) {
rc = -ENOMEM;
goto out;
LDLM_DEBUG(lock, "layout lock returned by: %s, lvb_len: %d",
ldlm_it2str(it->it_op), lvb_len);
- lmm = libcfs_kvzalloc(lvb_len, GFP_NOFS);
+ lmm = kvzalloc(lvb_len, GFP_NOFS);
if (!lmm) {
LDLM_LOCK_PUT(lock);
return -ENOMEM;
* obdfilter-survey is an example, which relies on ioctl. So we'd
* better avoid vmalloc on ioctl path. LU-66
*/
- *buf = libcfs_kvzalloc(hdr.ioc_len, GFP_KERNEL);
+ *buf = kvzalloc(hdr.ioc_len, GFP_KERNEL);
if (!*buf) {
CERROR("Cannot allocate control buffer of len %d\n",
hdr.ioc_len);
LASSERT(!handle->lgh_hdr);
LASSERT(chunk_size >= LLOG_MIN_CHUNK_SIZE);
- llh = libcfs_kvzalloc(sizeof(*llh), GFP_KERNEL);
+ llh = kvzalloc(sizeof(*llh), GFP_KERNEL);
if (!llh)
return -ENOMEM;
handle->lgh_hdr = llh;
/* expect chunk_size to be power of two */
LASSERT(is_power_of_2(chunk_size));
- buf = libcfs_kvzalloc(chunk_size, GFP_NOFS);
+ buf = kvzalloc(chunk_size, GFP_NOFS);
if (!buf) {
lpi->lpi_rc = -ENOMEM;
return 0;
LASSERT(!handle_hash);
- handle_hash = libcfs_kvzalloc(sizeof(*bucket) * HANDLE_HASH_SIZE,
+ handle_hash = kvzalloc(sizeof(*bucket) * HANDLE_HASH_SIZE,
GFP_KERNEL);
if (!handle_hash)
return -ENOMEM;
req = ptlrpc_request_cache_alloc(GFP_KERNEL);
if (!req)
return i;
- msg = libcfs_kvzalloc(size, GFP_KERNEL);
+ msg = kvzalloc(size, GFP_KERNEL);
if (!msg) {
ptlrpc_request_cache_free(req);
return i;
/* save request message */
reqmsg_size = req->rq_reqlen;
if (reqmsg_size != 0) {
- reqmsg = libcfs_kvzalloc(reqmsg_size, GFP_NOFS);
+ reqmsg = kvzalloc(reqmsg_size, GFP_NOFS);
if (!reqmsg)
return -ENOMEM;
memcpy(reqmsg, req->rq_reqmsg, reqmsg_size);
early_size = req->rq_nob_received;
early_bufsz = size_roundup_power2(early_size);
- early_buf = libcfs_kvzalloc(early_bufsz, GFP_NOFS);
+ early_buf = kvzalloc(early_bufsz, GFP_NOFS);
if (!early_buf) {
rc = -ENOMEM;
goto err_req;
{
LASSERT(page_pools.epp_max_pools);
page_pools.epp_pools =
- libcfs_kvzalloc(page_pools.epp_max_pools *
+ kvzalloc(page_pools.epp_max_pools *
sizeof(*page_pools.epp_pools),
GFP_NOFS);
}
int alloc_size = size_roundup_power2(msgsize);
LASSERT(!req->rq_pool);
- req->rq_reqbuf = libcfs_kvzalloc(alloc_size, GFP_NOFS);
+ req->rq_reqbuf = kvzalloc(alloc_size, GFP_NOFS);
if (!req->rq_reqbuf)
return -ENOMEM;
msgsize = size_roundup_power2(msgsize);
- req->rq_repbuf = libcfs_kvzalloc(msgsize, GFP_NOFS);
+ req->rq_repbuf = kvzalloc(msgsize, GFP_NOFS);
if (!req->rq_repbuf)
return -ENOMEM;
if (req->rq_reqbuf_len < newmsg_size) {
alloc_size = size_roundup_power2(newmsg_size);
- newbuf = libcfs_kvzalloc(alloc_size, GFP_NOFS);
+ newbuf = kvzalloc(alloc_size, GFP_NOFS);
if (!newbuf)
return -ENOMEM;
/* pre-allocated */
LASSERT(rs->rs_size >= rs_size);
} else {
- rs = libcfs_kvzalloc(rs_size, GFP_NOFS);
+ rs = kvzalloc(rs_size, GFP_NOFS);
if (!rs)
return -ENOMEM;
LASSERT(!req->rq_pool);
alloc_len = size_roundup_power2(alloc_len);
- req->rq_reqbuf = libcfs_kvzalloc(alloc_len, GFP_NOFS);
+ req->rq_reqbuf = kvzalloc(alloc_len, GFP_NOFS);
if (!req->rq_reqbuf)
return -ENOMEM;
alloc_len = size_roundup_power2(alloc_len);
- req->rq_repbuf = libcfs_kvzalloc(alloc_len, GFP_NOFS);
+ req->rq_repbuf = kvzalloc(alloc_len, GFP_NOFS);
if (!req->rq_repbuf)
return -ENOMEM;
if (req->rq_reqbuf_len < newbuf_size) {
newbuf_size = size_roundup_power2(newbuf_size);
- newbuf = libcfs_kvzalloc(newbuf_size, GFP_NOFS);
+ newbuf = kvzalloc(newbuf_size, GFP_NOFS);
if (!newbuf)
return -ENOMEM;
/* pre-allocated */
LASSERT(rs->rs_size >= rs_size);
} else {
- rs = libcfs_kvzalloc(rs_size, GFP_NOFS);
+ rs = kvzalloc(rs_size, GFP_NOFS);
if (!rs)
return -ENOMEM;
reqcopy = ptlrpc_request_cache_alloc(GFP_NOFS);
if (!reqcopy)
return -ENOMEM;
- reqmsg = libcfs_kvzalloc(req->rq_reqlen, GFP_NOFS);
+ reqmsg = kvzalloc(req->rq_reqlen, GFP_NOFS);
if (!reqmsg) {
rc = -ENOMEM;
goto out_free;
}
/* Alloc reply state structure for this one */
- rs = libcfs_kvzalloc(svc->srv_max_reply_size, GFP_NOFS);
+ rs = kvzalloc(svc->srv_max_reply_size, GFP_NOFS);
if (!rs) {
rc = -ENOMEM;
goto out_srv_fini;
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