]) # LC_QUOTA_CONFIG
#
-# LC_EXPORT_TRUNCATE_COMPLETE_PAGE
-#
-# truncate_complete_page() has never been exported from an upstream kernel
-# remove_from_page_cache() was exported between 2.6.35 and 2.6.38
-# delete_from_page_cache() is exported from 2.6.39
-#
-AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE_PAGE], [
-LB_CHECK_EXPORT([truncate_complete_page], [mm/truncate.c],
- [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
- [kernel export truncate_complete_page])])
-LB_CHECK_EXPORT([remove_from_page_cache], [mm/filemap.c],
- [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
- [kernel export remove_from_page_cache])])
-LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c],
- [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
- [kernel export delete_from_page_cache])])
-]) # LC_EXPORT_TRUNCATE_COMPLETE_PAGE
-
-#
# LC_CONFIG_GSS_KEYRING
#
# default 'auto', tests for dependencies, if found, enables;
]) # LC_HAVE_BDI_CAP_MAP_COPY
#
-# LC_CANCEL_DIRTY_PAGE
-#
-# 4.0.0 kernel removed cancel_dirty_page
-#
-AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [
-LB_CHECK_COMPILE([if cancel_dirty_page still exist],
-cancel_dirty_page, [
- #include <linux/mm.h>
-],[
- cancel_dirty_page(NULL, PAGE_SIZE);
-],[
- AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
- [cancel_dirty_page is still available])
-])
-]) # LC_CANCEL_DIRTY_PAGE
-
-#
# LC_IOV_ITER_RW
#
# 4.1 kernel has iov_iter_rw
]) # LC_HAVE___BI_CNT
#
-# LC_NEW_CANCEL_DIRTY_PAGE
-#
-# 4.2 kernel has new cancel_dirty_page
-#
-AC_DEFUN([LC_NEW_CANCEL_DIRTY_PAGE], [
-LB_CHECK_COMPILE([if cancel_dirty_page with one argument exist],
-new_cancel_dirty_page, [
- #include <linux/mm.h>
-],[
- cancel_dirty_page(NULL);
-],[
- AC_DEFINE(HAVE_NEW_CANCEL_DIRTY_PAGE, 1,
- [cancel_dirty_page with one arguement is available])
-])
-]) # LC_NEW_CANCEL_DIRTY_PAGE
-
-#
# LC_SYMLINK_OPS_USE_NAMEIDATA
#
# For the 4.2+ kernels the file system internal symlink api no
LC_OPENSSL_SSK
LC_OPENSSL_GETSEPOL
- # 2.6.35, 3.0.0
- LC_EXPORT_TRUNCATE_COMPLETE_PAGE
-
# 2.6.39
LC_HAVE_FHANDLE_SYSCALLS
LC_HAVE_FSTYPE_MOUNT
LC_BACKING_DEV_INFO_REMOVAL
LC_HAVE_BDI_CAP_MAP_COPY
- # 4.0.0
- LC_CANCEL_DIRTY_PAGE
-
# 4.1.0
LC_IOV_ITER_RW
LC_HAVE_SYNC_READ_WRITE
LC_HAVE___BI_CNT
# 4.2
- LC_NEW_CANCEL_DIRTY_PAGE
LC_BIO_ENDIO_USES_ONE_ARG
LC_SYMLINK_OPS_USE_NAMEIDATA
#
AS_IF([test "x$enable_server" != xno], [
LC_STACK_SIZE
- LC_QUOTA64
LC_QUOTA_CONFIG
])
]) # LC_PROG_LINUX
+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * 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
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, 2014, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- */
-
-#ifndef LUSTRE_PATCHLESS_COMPAT_H
-#define LUSTRE_PATCHLESS_COMPAT_H
-
-#include <linux/fs.h>
-#include <linux/mm.h>
-#ifndef HAVE_TRUNCATE_COMPLETE_PAGE
-#include <linux/list.h>
-#include <linux/hash.h>
-
-#ifndef HAVE_DELETE_FROM_PAGE_CACHE /* 2.6.39 */
-#ifndef HAVE_REMOVE_FROM_PAGE_CACHE /* 2.6.35 - 2.6.38 */
-
-/* XXX copy & paste from 2.6.15 kernel */
-static inline void ll_remove_from_page_cache(struct page *page)
-{
- struct address_space *mapping = page->mapping;
-
- BUG_ON(!PageLocked(page));
-
- spin_lock_irq(&mapping->tree_lock);
- radix_tree_delete(&mapping->page_tree, page->index);
- page->mapping = NULL;
- mapping->nrpages--;
- __dec_zone_page_state(page, NR_FILE_PAGES);
-
- spin_unlock_irq(&mapping->tree_lock);
-}
-#else /* HAVE_REMOVE_FROM_PAGE_CACHE */
-#define ll_remove_from_page_cache(page) remove_from_page_cache(page)
-#endif /* !HAVE_REMOVE_FROM_PAGE_CACHE */
-
-static inline void ll_delete_from_page_cache(struct page *page)
-{
- ll_remove_from_page_cache(page);
- put_page(page);
-}
-#else /* HAVE_DELETE_FROM_PAGE_CACHE */
-#define ll_delete_from_page_cache(page) delete_from_page_cache(page)
-#endif /* !HAVE_DELETE_FROM_PAGE_CACHE */
-
-static inline void
-ll_cancel_dirty_page(struct address_space *mapping, struct page *page)
-{
-#ifdef HAVE_NEW_CANCEL_DIRTY_PAGE
- cancel_dirty_page(page);
-#elif defined(HAVE_CANCEL_DIRTY_PAGE)
- cancel_dirty_page(page, PAGE_SIZE);
-#else
- if (TestClearPageDirty(page))
- account_page_cleaned(page, mapping);
-#endif /* HAVE_NEW_CANCEL_DIRTY_PAGE */
-}
-
-static inline void
-truncate_complete_page(struct address_space *mapping, struct page *page)
-{
- if (page->mapping != mapping)
- return;
-
- if (PagePrivate(page))
-#ifdef HAVE_INVALIDATE_RANGE
- page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
-#else
- page->mapping->a_ops->invalidatepage(page, 0);
-#endif
-
- ll_cancel_dirty_page(mapping, page);
- ClearPageMappedToDisk(page);
- ll_delete_from_page_cache(page);
-}
-#endif /* !HAVE_TRUNCATE_COMPLETE_PAGE */
-
-#ifdef HAVE_D_COUNT
-# define ll_d_count(d) d_count(d)
-#else
-# define ll_d_count(d) ((d)->d_count)
-#endif /* HAVE_D_COUNT */
-
-#ifndef HAVE_IN_COMPAT_SYSCALL
-#define in_compat_syscall is_compat_task
-#endif
-
-#endif /* LUSTRE_PATCHLESS_COMPAT_H */
git://git.whamcloud.com / fs / lustre-release.git / commitdiff