-#* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
-#* vim:expandtab:shiftwidth=8:tabstop=8:
#
# LC_CONFIG_SRCDIR
#
AC_DEFUN([LC_CONST_ACL_SIZE],
[AC_MSG_CHECKING([calc acl size])
tmp_flags="$CFLAGS"
-CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include -include $AUTOCONF_HDIR/autoconf.h $EXTRA_KCFLAGS"
+CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`echo $target_cpu|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include -include $AUTOCONF_HDIR/autoconf.h $EXTRA_KCFLAGS"
AC_TRY_RUN([
#define __KERNEL__
#include <linux/types.h>
fi
])
-AC_DEFUN([LC_QUOTA_READ],
-[AC_MSG_CHECKING([if kernel supports quota_read])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct super_operations sp;
- void *i = (void *)sp.quota_read;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LC_COOKIE_FOLLOW_LINK
-#
-# kernel 2.6.13+ ->follow_link returns a cookie
-#
-AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
-[AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/namei.h>
-],[
- struct dentry *dentry = NULL;
- struct nameidata nd;
-
- dentry->d_inode->i_op->put_link(dentry, &nd, NULL);
-],[
- AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LC_FUNC_RCU
-#
-# kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
-# call_rcu takes three parameters.
-#
-AC_DEFUN([LC_FUNC_RCU],
-[AC_MSG_CHECKING([if kernel have RCU supported])
-LB_LINUX_TRY_COMPILE([
- #include <linux/rcupdate.h>
-],[],[
- AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
- AC_MSG_RESULT([yes])
-
- AC_MSG_CHECKING([if call_rcu takes three parameters])
- LB_LINUX_TRY_COMPILE([
- #include <linux/rcupdate.h>
- ],[
- struct rcu_head rh;
- call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
- ],[
- AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
- AC_MSG_RESULT([yes])
- ],[
- AC_MSG_RESULT([no])
- ])
-
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-AC_DEFUN([LC_PERCPU_COUNTER],
-[AC_MSG_CHECKING([if have struct percpu_counter defined])
-LB_LINUX_TRY_COMPILE([
- #include <linux/percpu_counter.h>
-],[],[
- AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found])
- AC_MSG_RESULT([yes])
-
- AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument])
- LB_LINUX_TRY_COMPILE([
- #include <linux/percpu_counter.h>
- ],[
- struct percpu_counter c;
- percpu_counter_init(&c, 0);
- ],[
- AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two
- arguments])
- AC_MSG_RESULT([yes])
- ],[
- AC_MSG_RESULT([no])
- ])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
AC_DEFUN([LC_TASK_CLENV_STORE],
[
AC_MSG_CHECKING([if we can store cl_env in task_struct])
fi
])
-# ~2.6.11
-
-AC_DEFUN([LC_S_TIME_GRAN],
-[AC_MSG_CHECKING([if super block has s_time_gran member])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct super_block *sb = NULL;
-
- return sb->s_time_gran;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-AC_DEFUN([LC_SB_TIME_GRAN],
-[AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- return get_sb_time_gran(NULL);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
# 2.6.12
# ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
+# yet tree_lock is converted from rwlock to spin_lock since v2.6.26
AC_DEFUN([LC_RW_TREE_LOCK],
[AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="$tmp_flags"
])
-# 2.6.15
-
-# LC_INODE_I_MUTEX
-# after 2.6.15 inode have i_mutex intead of i_sem
-AC_DEFUN([LC_INODE_I_MUTEX],
-[AC_MSG_CHECKING([if inode has i_mutex ])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mutex.h>
- #include <linux/fs.h>
- #undef i_mutex
-],[
- struct inode i;
-
- mutex_unlock(&i.i_mutex);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
- [after 2.6.15 inode have i_mutex intead of i_sem])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
-# 2.6.16
-
-# LC_SECURITY_PLUG # for SLES10 SP2
-# check security plug in sles10 sp2 kernel
-AC_DEFUN([LC_SECURITY_PLUG],
-[AC_MSG_CHECKING([If kernel has security plug support])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/stddef.h>
-],[
- notify_change(NULL, NULL, NULL);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SECURITY_PLUG, 1,
- [SLES10 SP2 use extra parameter in vfs])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
-# 2.6.17
-
-# inode have i_private field since 2.6.17
-AC_DEFUN([LC_INODE_IPRIVATE],
-[AC_MSG_CHECKING([if inode has a i_private field])
-LB_LINUX_TRY_COMPILE([
-#include <linux/fs.h>
-],[
- struct inode i;
- i.i_private = NULL;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INODE_IPRIVATE, 1,
- [struct inode has i_private field])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
-# LC_DQUOTOFF_MUTEX
-# after 2.6.17 dquote use mutex instead if semaphore
-AC_DEFUN([LC_DQUOTOFF_MUTEX],
-[AC_MSG_CHECKING([use dqonoff_mutex])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mutex.h>
- #include <linux/fs.h>
- #include <linux/quota.h>
-],[
- struct quota_info dq;
-
- mutex_unlock(&dq.dqonoff_mutex);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
- [after 2.6.17 dquote use mutex instead if semaphore])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
# 2.6.18
-# LC_NR_PAGECACHE
-# 2.6.18 don't export nr_pagecahe
-AC_DEFUN([LC_NR_PAGECACHE],
-[AC_MSG_CHECKING([kernel export nr_pagecache])
-LB_LINUX_TRY_COMPILE([
- #include <linux/pagemap.h>
-],[
- return atomic_read(&nr_pagecache);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_NR_PAGECACHE, 1,
- [is kernel export nr_pagecache])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
-#
-# LC_STATFS_DENTRY_PARAM
-# starting from 2.6.18 linux kernel uses dentry instead of super_block
-# for the first parameter of the super_operations->statfs() callback.
-#
-#
-AC_DEFUN([LC_STATFS_DENTRY_PARAM],
-[AC_MSG_CHECKING([if super_ops.statfs() first parameter is dentry])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- ((struct super_operations *)0)->statfs((struct dentry *)0, (struct kstatfs*)0);
-],[
- AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
- [super_ops.statfs() first parameter is dentry])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
# LC_UMOUNTBEGIN_HAS_VFSMOUNT
# 2.6.18~2.6.25 umount_begin has different parameters
AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
EXTRA_KCFLAGS="$tmp_flags"
])
-# LC_FLUSH_OWNER_ID
-# starting from 2.6.18 the file_operations .flush
-# method has a new "fl_owner_t id" parameter
-#
-AC_DEFUN([LC_FLUSH_OWNER_ID],
-[AC_MSG_CHECKING([if file_operations .flush has an fl_owner_t id])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct file_operations *fops = NULL;
- fl_owner_t id = NULL;
- int i;
-
- i = fops->flush(NULL, id);
-],[
- AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1,
- [file_operations .flush method has an fl_owner_t id])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LC_EXPORT_INVALIDATE_MAPPING_PAGES
-#
-# SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but
-# SLES10 2.6.16 does not, for some reason. For filter cache invalidation.
-#
-AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES],
- [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [
- AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1,
- [exported invalidate_mapping_pages])],
- [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [
- AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1,
- [exported invalidate_inode_pages])], [
- AC_MSG_ERROR([no way to invalidate pages])
- ])
- ],[])
-])
-
#2.6.18 + RHEL5 (fc6)
-# RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
-AC_DEFUN([LC_PG_FS_MISC],
-[AC_MSG_CHECKING([kernel has PG_fs_misc])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
- #include <linux/page-flags.h>
-],[
- #ifndef PG_fs_misc
- #error PG_fs_misc not defined in kernel
- #endif
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_PG_FS_MISC, 1,
- [is kernel have PG_fs_misc])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
-# RHEL5 PageChecked and SetPageChecked defined
-AC_DEFUN([LC_PAGE_CHECKED],
-[AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
-#ifdef HAVE_LINUX_MMTYPES_H
- #include <linux/mm_types.h>
-#endif
- #include <linux/page-flags.h>
-],[
- struct page *p = NULL;
-
- /* before 2.6.26 this define*/
- #ifndef PageChecked
- /* 2.6.26 use function instead of define for it */
- SetPageChecked(p);
- PageChecked(p);
- #endif
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_PAGE_CHECKED, 1,
- [does kernel have PageChecked and SetPageChecked])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
#
# LC_LINUX_FIEMAP_H
#
-# If we have fiemap.h
-# after 2.6.27 use fiemap.h in include/linux
+# fiemap.h is added since v2.6.28
+# RHEL5 2.6.18 has it, while SLES10 2.6.27 does not
#
AC_DEFUN([LC_LINUX_FIEMAP_H],
[LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
# 2.6.19
-# 2.6.19 API changes
-# inode don't have i_blksize field
-AC_DEFUN([LC_INODE_BLKSIZE],
-[AC_MSG_CHECKING([inode has i_blksize field])
-LB_LINUX_TRY_COMPILE([
-#include <linux/fs.h>
-],[
- struct inode i;
- i.i_blksize = 0;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
- [struct inode has i_blksize field])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
# LC_FILE_WRITEV
# 2.6.19 replaced writev with aio_write
AC_DEFUN([LC_FILE_WRITEV],
AC_DEFINE(HAVE_PROCFS_USERS, 1,
[kernel has pde_users member in procfs entry struct])
],[
- AC_MSG_RESULT([no])
+ LB_LINUX_TRY_COMPILE([
+ #include "$LINUX/fs/proc/internal.h"
+ ],[
+ struct proc_dir_entry_aux pde_aux;
+
+ pde_aux.pde_users = 0;
+ ],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PROCFS_USERS, 1,
+ [kernel has pde_users member in proc_dir_entry_aux])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
])
])
])
])
-
#
# 2.6.27
#
+
+# LC_SECURITY_PLUG # for SLES10 SP2 (2.6.27)
+# check security plug in sles10 sp2 kernel
+AC_DEFUN([LC_SECURITY_PLUG],
+[AC_MSG_CHECKING([If kernel has security plug support])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ #include <linux/stddef.h>
+],[
+ notify_change(NULL, NULL, NULL);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SECURITY_PLUG, 1,
+ [SLES10 SP2 use extra parameter in vfs])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
AC_DEFUN([LC_PGMKWRITE_USE_VMFAULT],
[AC_MSG_CHECKING([kernel .page_mkwrite uses struct vm_fault *])
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="$tmp_flags"
])
+AC_DEFUN([LC_PGMKWRITE_COMPACT],
+[AC_MSG_CHECKING([if kernel .page_mkwrite is located in vm_operation_struct._pmkw])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+],[
+ struct vm_operations_struct *vm_ops;
+
+ vm_ops = NULL;
+ vm_ops->_pmkw.page_mkwrite(NULL, NULL);
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PGMKWRITE_COMPACT, 1,
+ [kernel .page_mkwrite is located in vm_operation_struct._pmkw])
+],[
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+
AC_DEFUN([LC_INODE_PERMISION_2ARGS],
[AC_MSG_CHECKING([inode_operations->permission has two args])
LB_LINUX_TRY_COMPILE([
])
])
-# 2.6.27 has file_remove_suid instead of remove_suid
-AC_DEFUN([LC_FILE_REMOVE_SUID],
-[AC_MSG_CHECKING([kernel has file_remove_suid])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- file_remove_suid(NULL);
-],[
- AC_DEFINE(HAVE_FILE_REMOVE_SUID, 1,
- [kernel have file_remove_suid])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
# 2.6.27 have new page locking API
AC_DEFUN([LC_TRYLOCKPAGE],
[AC_MSG_CHECKING([kernel uses trylock_page for page lock])
# 2.6.32
+# 2.6.32 introduced inode_newsize_ok
+AC_DEFUN([LC_VFS_INODE_NEWSIZE_OK],
+[AC_MSG_CHECKING([if inode_newsize_ok is defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ return inode_newsize_ok(NULL, 0);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_VFS_INODE_NEWSIZE_OK, 1,
+ [inode_newsize_ok is defined])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
# 2.6.32 changes cache_detail's member cache_request to cache_upcall
# in kernel commit bc74b4f5e63a09fb78e245794a0de1e5a2716bbe
AC_DEFUN([LC_CACHE_UPCALL],
AC_DEFUN([LC_BDI_NAME],
[AC_MSG_CHECKING([if backing_device_info has name field])
LB_LINUX_TRY_COMPILE([
- #include <linux/blkkdev.h>
+ #include <linux/blkdev.h>
],[
struct backing_dev_info bdi;
bdi.name = NULL;
]
)
+# 2.6.32 if kernel export access_process_vm().
+AC_DEFUN([LC_EXPORT_ACCESS_PROCESS_VM],
+ [LB_CHECK_SYMBOL_EXPORT([access_process_vm],
+ [mm/memory.c],
+ [AC_DEFINE(HAVE_ACCESS_PROCESS_VM, 1,
+ [access_process_vm function is present])],
+ [])
+ ]
+)
+
#
# 2.6.36 fs_struct.lock use spinlock instead of rwlock.
#
])
#
+# 2.6.38 dentry_operations.d_compare() taken 7 arguments.
+#
+AC_DEFUN([LC_D_COMPARE_7ARGS],
+[AC_MSG_CHECKING([if d_compare taken 7 arguments])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/dcache.h>
+],[
+ ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
+],[
+ AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
+ [d_compare need 7 arguments])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
+#
+AC_DEFUN([LC_D_DELETE_CONST],
+[AC_MSG_CHECKING([if d_delete has const declare on first parameter])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/dcache.h>
+],[
+ const struct dentry *d = NULL;
+ ((struct dentry_operations*)0)->d_delete(d);
+],[
+ AC_DEFINE(HAVE_D_DELETE_CONST, const,
+ [d_delete first parameter declared const])
+ AC_MSG_RESULT([yes])
+],[
+ AC_DEFINE(HAVE_D_DELETE_CONST, , [])
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+
+#
+# 2.6.38 dcache_lock removed. rcu-walk commited.
+#
+AC_DEFUN([LC_DCACHE_LOCK],
+[AC_MSG_CHECKING([if dcache_lock is exist])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/dcache.h>
+],[
+ spin_lock(&dcache_lock);
+],[
+ AC_DEFINE(HAVE_DCACHE_LOCK, 1,
+ [dcache_lock is exist])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
# 2.6.38 export blkdev_get_by_dev
#
AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
#
# 2.6.38 vfsmount.mnt_count doesn't use atomic_t
#
+# 3.3 starts hiding vfsmount guts series (move from include/linux/mount.h to
+# fs/mount.h, see kernel commit 7d6fec45a5131918b51dcd76da52f2ec86a85be6)
+#
AC_DEFUN([LC_ATOMIC_MNT_COUNT],
-[AC_MSG_CHECKING([if vfsmount.mnt_count is atomic_t])
+[AC_MSG_CHECKING([if vfsmount guts is hidden, or vfsmount.mnt_count is atomic_t.])
LB_LINUX_TRY_COMPILE([
- #include <asm/atomic.h>
- #include <linux/fs.h>
- #include <linux/mount.h>
+ #include <linux/fs.h>
+ #include <../fs/mount.h>
],[
- ((struct vfsmount *)0)->mnt_count = ((atomic_t) { 0 });
+ struct mount *mnt = real_mount((struct vfsmount *)0);
],[
- AC_DEFINE(HAVE_ATOMIC_MNT_COUNT, 1,
- [vfsmount.mnt_count is atomic_t])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_HIDE_VFSMOUNT_GUTS, 1,
+ [hide vfsmount guts in fs/mount.h])
+ AC_MSG_RESULT([yes, hide vfsmount guts in fs/mount.h])
],[
- AC_MSG_RESULT([no])
+ LB_LINUX_TRY_COMPILE([
+ #include <asm/atomic.h>
+ #include <linux/fs.h>
+ #include <linux/mount.h>
+ ],[
+ ((struct vfsmount *)0)->mnt_count = ((atomic_t) { 0 });
+ ],[
+ AC_DEFINE(HAVE_ATOMIC_MNT_COUNT, 1,
+ [vfsmount.mnt_count is atomic_t])
+ AC_MSG_RESULT([yes, vfsmount.mnt_count is atomic_t])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
])
])
])
#
-# 2.6.38 generic_permission taken 4 paremater.
+# 2.6.39 replace get_sb with mount in struct file_system_type
+#
+AC_DEFUN([LC_HAVE_FSTYPE_MOUNT],
+[AC_MSG_CHECKING([if file_system_type has mount field])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct file_system_type fst;
+ void *i = (void *) fst.mount;
+],[
+ AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
+ [struct file_system_type has mount field])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 2.6.38 generic_permission taken 4 parameters.
# in fact, it means rcu-walk aware permission bring.
#
+# 3.1 generic_permission taken 2 parameters.
+# see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
+#
AC_DEFUN([LC_GENERIC_PERMISSION],
-[AC_MSG_CHECKING([if generic_permission take 4 arguments])
+[AC_MSG_CHECKING([if generic_permission take 2 or 4 arguments])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/fs.h>
],[
- generic_permission(NULL, 0, 0, NULL);
+ generic_permission(NULL, 0);
],[
- AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
- [generic_permission taken 4 arguments])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
+ [generic_permission taken 2 arguments])
+ AC_MSG_RESULT([yes, 2 args])
],[
- AC_MSG_RESULT([no])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ ],[
+ generic_permission(NULL, 0, 0, NULL);
+ ],[
+ AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
+ [generic_permission taken 4 arguments])
+ AC_MSG_RESULT([yes, 4 args])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
])
])
])
#
+# 3.3 introduces migrate_mode.h and migratepage has 4 args
+#
+AC_DEFUN([LC_HAVE_MIGRATE_HEADER],
+[LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[
+ AC_DEFINE(HAVE_MIGRATE_H, 1,
+ [kernel has include/linux/migrate.h])
+],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[
+ AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
+ [kernel has include/linux/migrate_mode.h])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+])
+
+AC_DEFUN([LC_MIGRATEPAGE_4ARGS],
+[AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+#ifdef HAVE_MIGRATE_H
+ #include <linux/migrate.h>
+#elif defined(HAVE_MIGRATE_MODE_H)
+ #include <linux/migrate_mode.h>
+#endif
+],[
+ struct address_space_operations aops;
+
+ aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
+],[
+ AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
+ [address_space_operations.migratepage has 4 args])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 3.1.1 has ext4_blocks_for_truncate
+#
+AC_DEFUN([LC_BLOCKS_FOR_TRUNCATE],
+[AC_MSG_CHECKING([if kernel has ext4_blocks_for_truncate])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ #include "$LINUX/fs/ext4/ext4_jbd2.h"
+ #include "$LINUX/fs/ext4/truncate.h"
+],[
+ ext4_blocks_for_truncate(NULL);
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_BLOCKS_FOR_TRUNCATE, 1,
+ [kernel has ext4_blocks_for_truncate])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
# LC_PROG_LINUX
#
# Lustre linux kernel checks
LC_CAPA_CRYPTO
LC_CONFIG_RMTCLIENT
LC_CONFIG_GSS
- LC_QUOTA_READ
- LC_COOKIE_FOLLOW_LINK
- LC_FUNC_RCU
- LC_PERCPU_COUNTER
LC_TASK_CLENV_STORE
- # ~2.6.11
- LC_S_TIME_GRAN
- LC_SB_TIME_GRAN
-
# 2.6.12
LC_RW_TREE_LOCK
- # 2.6.15
- LC_INODE_I_MUTEX
-
- # 2.6.16
- LC_SECURITY_PLUG # for SLES10 SP2
-
- # 2.6.17
- LC_INODE_IPRIVATE
- LC_DQUOTOFF_MUTEX
-
# 2.6.18
- LC_NR_PAGECACHE
- LC_STATFS_DENTRY_PARAM
LC_UMOUNTBEGIN_HAS_VFSMOUNT
- LC_FLUSH_OWNER_ID
- if test x$enable_server = xyes ; then
- LC_EXPORT_INVALIDATE_MAPPING_PAGES
- fi
#2.6.18 + RHEL5 (fc6)
- LC_PG_FS_MISC
- LC_PAGE_CHECKED
LC_LINUX_FIEMAP_H
# 2.6.19
- LC_INODE_BLKSIZE
LC_FILE_WRITEV
LC_FILE_READV
LC_FS_STRUCT_USE_PATH
# 2.6.27
+ LC_SECURITY_PLUG # for SLES10 SP2
LC_PGMKWRITE_USE_VMFAULT
+ LC_PGMKWRITE_COMPACT
LC_INODE_PERMISION_2ARGS
- LC_FILE_REMOVE_SUID
LC_TRYLOCKPAGE
LC_READ_INODE_IN_SBOPS
LC_EXPORT_INODE_PERMISSION
LC_CACHE_UPCALL
LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
LC_SELINUX_IS_ENABLED
+ LC_EXPORT_ACCESS_PROCESS_VM
+ LC_VFS_INODE_NEWSIZE_OK
# 2.6.35, 3.0.0
LC_FILE_FSYNC
LC_BLKDEV_GET_BY_DEV
LC_GENERIC_PERMISSION
LC_QUOTA_ON_USE_PATH
+ LC_DCACHE_LOCK
+ LC_D_COMPARE_7ARGS
+ LC_D_DELETE_CONST
# 2.6.39
LC_REQUEST_QUEUE_UNPLUG_FN
+ LC_HAVE_FSTYPE_MOUNT
+
+ # 3.3
+ LC_HAVE_MIGRATE_HEADER
+ LC_MIGRATEPAGE_4ARGS
+
+ # 3.1.1
+ LC_BLOCKS_FOR_TRUNCATE
#
if test x$enable_server = xyes ; then
lustre/kernel_patches/targets/2.6-oel5.target
lustre/kernel_patches/targets/2.6-fc11.target
lustre/kernel_patches/targets/2.6-fc12.target
+lustre/kernel_patches/targets/2.6-fc15.target
lustre/ldlm/Makefile
lustre/fid/Makefile
lustre/fid/autoMakefile
lustre/obdecho/autoMakefile
lustre/obdfilter/Makefile
lustre/obdfilter/autoMakefile
+lustre/ofd/Makefile
+lustre/ofd/autoMakefile
lustre/osc/Makefile
lustre/osc/autoMakefile
lustre/ost/Makefile
lustre/ost/autoMakefile
lustre/osd-ldiskfs/Makefile
lustre/osd-ldiskfs/autoMakefile
+lustre/osd-zfs/Makefile
+lustre/osd-zfs/autoMakefile
lustre/mgc/Makefile
lustre/mgc/autoMakefile
lustre/mgs/Makefile
lustre/quota/Makefile
lustre/quota/autoMakefile
lustre/scripts/Makefile
+lustre/scripts/lustre
lustre/tests/Makefile
lustre/tests/mpi/Makefile
lustre/utils/Makefile
lustre/utils/gss/Makefile
+lustre/osp/Makefile
+lustre/osp/autoMakefile
+lustre/lod/Makefile
+lustre/lod/autoMakefile
lustre/obdclass/darwin/Makefile
])
])