-#* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
-#* vim:expandtab:shiftwidth=8:tabstop=8:
#
# LC_CONFIG_SRCDIR
#
])
#
-# LC_FUNC_RELEASEPAGE_WITH_GFP
-#
-# 2.6.9 ->releasepage() takes a gfp_t arg
-# This kernel defines gfp_t (HAS_GFP_T) but doesn't use it for this function,
-# while others either don't have gfp_t or pass gfp_t as the parameter.
-#
-AC_DEFUN([LC_FUNC_RELEASEPAGE_WITH_GFP],
-[AC_MSG_CHECKING([if releasepage has a gfp_t parameter])
-RELEASEPAGE_WITH_GFP="$(grep -c 'releasepage.*gfp_t' $LINUX/include/linux/fs.h)"
-if test "$RELEASEPAGE_WITH_GFP" != 0 ; then
- AC_DEFINE(HAVE_RELEASEPAGE_WITH_GFP, 1,
- [releasepage with gfp_t parameter])
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
-fi
-])
-
-
-
-#
-# only for Lustre-patched kernels
-#
-AC_DEFUN([LC_LUSTRE_VERSION_H],
-[LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
- rm -f "$LUSTRE/include/linux/lustre_version.h"
-],[
- touch "$LUSTRE/include/linux/lustre_version.h"
- if test x$enable_server = xyes ; then
- AC_MSG_WARN([Unpatched kernel detected.])
- AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
- AC_MSG_WARN([disabling server build])
- enable_server='no'
- fi
-])
-])
-
-#
# LC_FUNC_DEV_SET_RDONLY
#
-# check for the old-style dev_set_rdonly which took an extra "devno" param
-# and can only set a single device to discard writes at one time
+# check whether dev_set_rdonly is exported. This is needed until we
+# have another mechanism to fence IO from the underlying device.
#
AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
-[AC_MSG_CHECKING([if kernel has new dev_set_rdonly])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/blkdev.h>
-],[
- #ifndef HAVE_CLEAR_RDONLY_ON_PUT
- #error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above.
- #endif
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
+[LB_CHECK_SYMBOL_EXPORT([dev_set_rdonly],
+[block/ll_rw_block.c,block/blk-core.c],[
+ AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel exports dev_set_rdonly])
],[
- AC_MSG_ERROR([no, Linux kernel source needs to be patches by lustre
-kernel patches from Lustre version 1.4.3 or above.])
+ AC_MSG_WARN([kernel missing dev_set_rdonly patch for testing])
])
])
fi
])
-# whether to enable quota support(kernel modules)
-AC_DEFUN([LC_QUOTA_MODULE],
-[if test x$enable_quota != xno; then
- LB_LINUX_CONFIG([QUOTA],[
- enable_quota_module='yes'
- AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
- ],[
- enable_quota_module='no'
- AC_MSG_WARN([quota is not enabled because the kernel - lacks quota support])
- ])
-fi
+#
+# Quota support. The kernel must support CONFIG_QUOTA.
+#
+AC_DEFUN([LC_QUOTA_CONFIG],
+[LB_LINUX_CONFIG_IM([QUOTA],[],[
+ AC_MSG_ERROR([Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.])
+ ])
])
-# truncate_complete_page() was exported from RHEL5/SLES10/SLES11
+# truncate_complete_page() was exported from RHEL5/SLES10, but not in SLES11 SP0 (2.6.27)
# 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],
[kernel export delete_from_page_cache])])
])
-AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE],
-[LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range],
-[mm/truncate.c],[
-AC_DEFINE(HAVE_TRUNCATE_RANGE, 1,
- [kernel export truncate_inode_pages_range])
-],[
-])
-])
-
AC_DEFUN([LC_EXPORT_D_REHASH_COND],
[LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
[fs/dcache.c],[
])
#
-# LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
-#
-# Check for our patched grab_cache_page_nowait_gfp() function
-# after 2.6.29 we can emulate this using add_to_page_cache_lru()
-#
-AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
-[LB_CHECK_SYMBOL_EXPORT([grab_cache_page_nowait_gfp],
-[mm/filemap.c],[
- AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
- [kernel exports grab_cache_page_nowait_gfp])
- ],
- [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
- [mm/filemap.c],[
- AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
- [kernel exports add_to_page_cache_lru])
- ],[
- ])
- ])
-])
-
-#
-# LC_STRUCT_STATFS
-#
-# AIX does not have statfs.f_namelen
-#
-AC_DEFUN([LC_STRUCT_STATFS],
-[AC_MSG_CHECKING([if struct statfs has a f_namelen field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/vfs.h>
-],[
- struct statfs sfs;
- sfs.f_namelen = 1;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
#
# between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels
#
])
#
-# added in 2.6.15
-#
-AC_DEFUN([LC_D_ADD_UNIQUE],
-[AC_MSG_CHECKING([for d_add_unique])
-LB_LINUX_TRY_COMPILE([
- #include <linux/dcache.h>
-],[
- d_add_unique(NULL, NULL);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
# added in 2.6.17
#
AC_DEFUN([LC_BIT_SPINLOCK_H],
])
#
-# After 2.6.26 we no longer have xattr_acl.h
+# LC_CONST_ACL_SIZE
#
-AC_DEFUN([LC_XATTR_ACL],
-[LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
- AC_MSG_CHECKING([if xattr_acl.h can be compiled])
- LB_LINUX_TRY_COMPILE([
- #include <linux/xattr_acl.h>
- ],[],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
- ],[
- AC_MSG_RESULT([no])
- ])
-],
-[])
-])
-
-#
-# After 2.6.16 the xattr_acl API is removed, and posix_acl is used instead
-#
-AC_DEFUN([LC_POSIX_ACL_XATTR_H],
-[LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
- AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
- LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/posix_acl_xattr.h>
- ],[],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
-
- ],[
- AC_MSG_RESULT([no])
- ])
-$1
-],[
- AC_MSG_RESULT([no])
-])
-])
-
AC_DEFUN([LC_CONST_ACL_SIZE],
[AC_MSG_CHECKING([calc acl size])
tmp_flags="$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/powerpc64/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>
// block include
#define __LINUX_POSIX_ACL_H
- # ifdef CONFIG_FS_POSIX_ACL
- # ifdef HAVE_XATTR_ACL
- # include <linux/xattr_acl.h>
- # endif
- # ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
- # include <linux/posix_acl_xattr.h>
- # endif
- # endif
-
- #include <lustre_acl.h>
+ #ifdef CONFIG_FS_POSIX_ACL
+ # include <linux/posix_acl_xattr.h>
+ #endif
#include <stdio.h>
int main(void)
{
- int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
+ /* LUSTRE_POSIX_ACL_MAX_ENTRIES = 32 */
+ int size = posix_acl_xattr_size(32);
FILE *f = fopen("acl.size","w+");
fprintf(f,"%d", size);
fclose(f);
AC_MSG_RESULT([ACL size $acl_size])
AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
],[
- AC_ERROR([ACL size can't computed])
-])
-CFLAGS="$tmp_flags"
-])
-
-# added in 2.6.16
-#
-AC_DEFUN([LC_STRUCT_INTENT_FILE],
-[AC_MSG_CHECKING([if struct open_intent has a file field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/namei.h>
-],[
- struct open_intent intent;
- &intent.file;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
+ AC_ERROR([ACL size can't be computed])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([can't check ACL size, make it 260])
+ AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE,260)
])
+CFLAGS="$tmp_flags"
])
#
fi
])
-AC_DEFUN([LC_SUNRPC_CACHE],
-[AC_MSG_CHECKING([if sunrpc struct cache_head uses kref])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sunrpc/cache.h>
-],[
- struct cache_head ch;
- &ch.ref.refcount;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
AC_DEFUN([LC_CONFIG_SUNRPC],
[LB_LINUX_CONFIG_IM([SUNRPC],[],
[AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
- LC_SUNRPC_CACHE
])
#
fi
])
-#
-# LC_FUNC_HAVE_CAN_SLEEP_ARG
-#
-# 2.6.5 kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()
-#
-AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
-[AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- int cansleep;
- struct file *file;
- struct file_lock *file_lock;
- flock_lock_file_wait(file, file_lock, cansleep);
-],[
- AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
- [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LC_FUNC_F_OP_FLOCK
-#
-# rhel4.2 kernel has f_op->flock field
-#
-AC_DEFUN([LC_FUNC_F_OP_FLOCK],
-[AC_MSG_CHECKING([if struct file_operations has flock field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct file_operations ll_file_operations_flock;
- ll_file_operations_flock.flock = NULL;
-],[
- AC_DEFINE(HAVE_F_OP_FLOCK, 1,
- [struct file_operations has flock field])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-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;
- 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;
-
- 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"
])
-# LC_EXPORT_SYNCHRONIZE_RCU
-# after 2.6.12 synchronize_rcu is preferred over synchronize_kernel
-AC_DEFUN([LC_EXPORT_SYNCHRONIZE_RCU],
-[LB_CHECK_SYMBOL_EXPORT([synchronize_rcu],
-[kernel/rcupdate.c],[
- AC_DEFINE(HAVE_SYNCHRONIZE_RCU, 1,
- [in 2.6.12 synchronize_rcu preferred over synchronize_kernel])
-],[
-])
-])
-
-# 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>
-],[
- struct dentry *dentry;
- struct vfsmount *mnt;
- struct iattr *iattr;
-
- notify_change(dentry, mnt, iattr);
-],[
- 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="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct super_operations *sop = NULL;
- sop->statfs((struct dentry *)0, (struct kstatfs*)0);
-],[
- AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
- [super_ops.statfs() first parameter is dentry])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
-#
-# LC_VFS_KERN_MOUNT
-# starting from 2.6.18 kernel don't export do_kern_mount
-# and want to use vfs_kern_mount instead.
-#
-AC_DEFUN([LC_VFS_KERN_MOUNT],
-[AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mount.h>
-],[
- vfs_kern_mount(NULL, 0, NULL, NULL);
-],[
- AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
- [vfs_kern_mount exist in kernel])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LC_INVALIDATEPAGE_RETURN_INT
-# 2.6.17 changes return type for invalidatepage to 'void' from 'int'
-#
-AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
-[AC_MSG_CHECKING([invalidatepage has return int])
-LB_LINUX_TRY_COMPILE([
- #include <linux/buffer_head.h>
-],[
- int rc = block_invalidatepage(NULL, 0);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
- [Define if return type of invalidatepage should be int])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
# LC_UMOUNTBEGIN_HAS_VFSMOUNT
-# after 2.6.18 umount_begin has different parameters
+# 2.6.18~2.6.25 umount_begin has different parameters
AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
[AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="$tmp_flags"
])
-# LC_SEQ_LOCK
-# after 2.6.18 seq_file has lock intead of sem
-AC_DEFUN([LC_SEQ_LOCK],
-[AC_MSG_CHECKING([if struct seq_file has lock field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/seq_file.h>
-],[
- struct seq_file seq;
-
- mutex_unlock(&seq.lock);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SEQ_LOCK, 1,
- [after 2.6.18 seq_file has lock intead of sem])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-#
-# LC_EXPORT_FILEMAP_FDATAWRITE_RANGE
-#
-# No standard kernels export this
-#
-AC_DEFUN([LC_EXPORT_FILEMAP_FDATAWRITE_RANGE],
-[LB_CHECK_SYMBOL_EXPORT([filemap_fdatawrite_range],
-[mm/filemap.c],[
-AC_DEFINE(HAVE_FILEMAP_FDATAWRITE_RANGE, 1,
- [filemap_fdatawrite_range is exported by the kernel])
-],[
-])
-])
-
-# 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;
- 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([
-#ifdef HAVE_LINUX_MMTYPES_H
- #include <linux/mm_types.h>
-#endif
- #include <linux/page-flags.h>
-],[
- struct page *p;
-
- /* 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([$LINUX/include/linux/fiemap.h],[
# 2.6.19
-# 2.6.19 API changes
-# inode don't have i_blksize field
-AC_DEFUN([LC_INODE_BLKSIZE],
-[AC_MSG_CHECKING([inode has i_blksize field])
-LB_LINUX_TRY_COMPILE([
-#include <linux/fs.h>
-],[
- struct inode i;
- i.i_blksize = 0;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
- [struct inode has i_blksize field])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
# LC_FILE_WRITEV
# 2.6.19 replaced writev with aio_write
AC_DEFUN([LC_FILE_WRITEV],
#include <linux/err.h>
#include <linux/crypto.h>
],[
- struct hash_desc foo;
+ struct hash_desc foo __attribute__ ((unused));
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
#include <linux/err.h>
#include <linux/crypto.h>
],[
- struct blkcipher_desc foo;
+ struct blkcipher_desc foo __attribute__ ((unused));
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- int v = FS_RENAME_DOES_D_MOVE;
+ int v __attribute__ ((unused));
+ v = FS_RENAME_DOES_D_MOVE;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- int i = unregister_blkdev(0,NULL);
+ int i __attribute__ ((unused));
+ i = unregister_blkdev(0,NULL);
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
AC_DEFINE(HAVE_PROCFS_USERS, 1,
[kernel has pde_users member in procfs entry struct])
],[
- AC_MSG_RESULT([no])
+ LB_LINUX_TRY_COMPILE([
+ #include "$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])
+ ])
])
])
#include <linux/exportfs.h>
#endif
],[
- struct export_operations exp;
- memset(exp.fh_to_dentry, 0, sizeof(exp.fh_to_dentry));
+ do{ }while(sizeof(((struct export_operations *)0)->fh_to_dentry));
], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
])
])
-# 2.6.25
+# 2.6.26
-# 2.6.25 change define to inline
-AC_DEFUN([LC_MAPPING_CAP_WRITEBACK_DIRTY],
-[AC_MSG_CHECKING([if kernel have mapping_cap_writeback_dirty])
+# 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
+AC_DEFUN([LC_FS_STRUCT_USE_PATH],
+[AC_MSG_CHECKING([fs_struct use path structure])
LB_LINUX_TRY_COMPILE([
- #include <linux/backing-dev.h>
-],[
- #ifndef mapping_cap_writeback_dirty
- mapping_cap_writeback_dirty(NULL);
- #endif
+ #include <asm/atomic.h>
+ #include <linux/spinlock.h>
+ #include <linux/fs_struct.h>
],[
+ struct fs_struct fs;
+
+ fs.pwd = *((struct path *)sizeof(fs));
+], [
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_MAPPING_CAP_WRITEBACK_DIRTY, 1,
- [kernel have mapping_cap_writeback_dirty])
+ AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
+ [fs_struct use path structure])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.26
+#
+# 2.6.27
+#
-# 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
-AC_DEFUN([LC_FS_STRUCT_USE_PATH],
-[AC_MSG_CHECKING([fs_struct use path structure])
+# 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 <asm/atomic.h>
- #include <linux/spinlock.h>
- #include <linux/fs_struct.h>
+ #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="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+],[
+ ((struct vm_operations_struct *)0)->page_mkwrite((struct vm_area_struct *)0, (struct vm_fault *)0);
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PGMKWRITE_USE_VMFAULT, 1,
+ [kernel vm_operation_struct.page_mkwrite uses struct vm_fault * as second parameter])
+],[
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+
+AC_DEFUN([LC_PGMKWRITE_COMPACT],
+[AC_MSG_CHECKING([if kernel .page_mkwrite is located in vm_operation_struct._pmkw])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
],[
- struct path path;
- struct fs_struct fs;
+ struct vm_operations_struct *vm_ops;
- fs.pwd = path;
- memset(&fs, 0, sizeof(fs));
+ vm_ops = NULL;
+ vm_ops->_pmkw.page_mkwrite(NULL, NULL);
], [
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
- [fs_struct use path structure])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PGMKWRITE_COMPACT, 1,
+ [kernel .page_mkwrite is located in vm_operation_struct._pmkw])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
-
-#
-# 2.6.27
-#
AC_DEFUN([LC_INODE_PERMISION_2ARGS],
[AC_MSG_CHECKING([inode_operations->permission has two args])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- struct inode *inode;
+ struct inode *inode __attribute__ ((unused));
+
+ inode = NULL;
inode->i_op->permission(NULL, 0);
],[
AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
])
])
-# 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])
AC_DEFUN([LC_QUOTA_ON_5ARGS],
[AC_MSG_CHECKING([quota_on needs 5 parameters])
LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
#include <linux/quota.h>
],[
- struct quotactl_ops *qop;
+ struct quotactl_ops *qop = NULL;
qop->quota_on(NULL, 0, 0, NULL, 0);
],[
AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
AC_DEFUN([LC_QUOTA_OFF_3ARGS],
[AC_MSG_CHECKING([quota_off needs 3 parameters])
LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
#include <linux/quota.h>
],[
- struct quotactl_ops *qop;
+ struct quotactl_ops *qop = NULL;
qop->quota_off(NULL, 0, 0);
],[
AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
])
])
-# sles10 sp2 need 5 parameter for vfs_symlink
-AC_DEFUN([LC_VFS_SYMLINK_5ARGS],
-[AC_MSG_CHECKING([vfs_symlink need 5 parameter])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct inode *dir = NULL;
- struct dentry *dentry = NULL;
- struct vfsmount *mnt = NULL;
- const char * path = NULL;
- vfs_symlink(dir, dentry, mnt, path, 0);
-],[
- AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1,
- [vfs_symlink need 5 parameteres])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
# 2.6.27 sles11 has sb_any_quota_active
AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
[AC_MSG_CHECKING([Kernel has sb_any_quota_active])
])
])
-# 2.6.31
+#
+# 2.6.29 introduce sb_any_quota_loaded.
+#
+AC_DEFUN([LC_SB_ANY_QUOTA_LOADED],
+[AC_MSG_CHECKING([Kernel has sb_any_quota_loaded])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/quotaops.h>
+],[
+ sb_any_quota_loaded(NULL);
+],[
+ AC_DEFINE(HAVE_SB_ANY_QUOTA_LOADED, 1,
+ [Kernel has a sb_any_quota_loaded])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
# 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node
AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE],
# 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_MSG_CHECKING([if cache_detail has cache_upcall field])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/sunrpc/cache.h>
+ ],[
+ struct cache_detail cd;
+ cd.cache_upcall = NULL;
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_CACHE_UPCALL, 1,
+ [cache_detail has cache_upcall field])
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+])
+
# 2.6.32 add a limits member in struct request_queue.
AC_DEFUN([LC_REQUEST_QUEUE_LIMITS],
[AC_MSG_CHECKING([if request_queue has a limits field])
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;
[set_cpus_allowed is exported by the kernel])],
[AC_MSG_RESULT([no])] )])
+# 2.6.32 introduces selinux_is_enabled()
+AC_DEFUN([LC_SELINUX_IS_ENABLED],
+[AC_MSG_CHECKING([if selinux_is_enabled is available])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/selinux.h>
+],[
+ selinux_is_enabled();
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_SELINUX_IS_ENABLED, 1,
+ [selinux_is_enabled is defined])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
#
# LC_D_OBTAIN_ALIAS
# starting from 2.6.28 kernel replaces d_alloc_anon() with
# d_obtain_alias() for getting anonymous dentries
+# RHEL5(2.6.18) has d_obtain_alias but SLES11SP0(2.6.27) not
#
AC_DEFUN([LC_D_OBTAIN_ALIAS],
[AC_MSG_CHECKING([d_obtain_alias exist in kernel])
])
#
+# LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
+#
+AC_DEFUN([LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE],
+ [LB_CHECK_SYMBOL_EXPORT(
+ [generic_error_remove_page],
+ [mm/truncate.c],
+ [AC_DEFINE(HAS_GENERIC_ERROR_REMOVE_PAGE, 1,
+ [kernel export generic_error_remove_page])],
+ [])
+ ]
+)
+
+# 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.
+#
+AC_DEFUN([LC_FS_STRUCT_RWLOCK],
+[AC_MSG_CHECKING([if fs_struct.lock use rwlock])
+LB_LINUX_TRY_COMPILE([
+ #include <asm/atomic.h>
+ #include <linux/spinlock.h>
+ #include <linux/fs_struct.h>
+],[
+ ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
+],[
+ AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
+ [fs_struct.lock use rwlock])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
# 2.6.36 super_operations add evict_inode method. it hybird of
# delete_inode & clear_inode.
#
#
# 2.6.35 file_operations.fsync taken 2 arguments.
+# 3.0.0 file_operations.fsync takes 4 arguments.
#
AC_DEFUN([LC_FILE_FSYNC],
-[AC_MSG_CHECKING([if file_operations.fsync taken 2 arguments])
+[AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- ((struct file_operations *)0)->fsync(NULL, 0);
+ ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
+],[
+ AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
+ [file_operations.fsync takes 4 arguments])
+ AC_MSG_RESULT([yes, 4 args])
+],[
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ ],[
+ ((struct file_operations *)0)->fsync(NULL, 0);
+ ],[
+ AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
+ [file_operations.fsync takes 2 arguments])
+ AC_MSG_RESULT([yes, 2 args])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+])
+])
+
+#
+# 2.6.37 remove kernel_locked
+#
+AC_DEFUN([LC_KERNEL_LOCKED],
+[AC_MSG_CHECKING([if kernel_locked is defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/smp_lock.h>
+],[
+ kernel_locked();
],[
- AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
- [file_operations.fsync taken 2 arguments])
AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
+ [kernel_locked is defined])
],[
AC_MSG_RESULT([no])
])
])
#
+# 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 <linux/fs.h>
+ #include <../fs/mount.h>
+],[
+ struct mount *mnt = real_mount((struct vfsmount *)0);
+],[
+ 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])
+],[
+ 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 use path as 4th parameter in quota_on.
+#
+AC_DEFUN([LC_QUOTA_ON_USE_PATH],
+[AC_MSG_CHECKING([quota_on use path as parameter])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
- #include <asm/atomic.h>
#include <linux/fs.h>
- #include <linux/mount.h>
+ #include <linux/quota.h>
],[
- ((struct vfsmount *)0)->mnt_count = ((atomic_t) { 0 });
+ ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
],[
- AC_DEFINE(HAVE_ATOMIC_MNT_COUNT, 1,
- [vfsmount.mnt_count is atomic_t])
+ AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
+ [quota_on use path as 4th paramter])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
#
LB_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
- struct request_queue rq;
- memset(rq.unplug_fn, 0, sizeof(rq.unplug_fn));
+ do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
],[
AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
[request_queue has unplug_fn field])
])
#
-# 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])
+ ])
+])
+])
+
+#
+# 2.6.38 export simple_setattr
+#
+AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
+[LB_CHECK_SYMBOL_EXPORT([simple_setattr],
+[fs/libfs.c],[
+AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
+ [simple_setattr is exported by the kernel])
+],[
+])
+])
+
+#
+# 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])
])
])
# Lustre linux kernel checks
#
AC_DEFUN([LC_PROG_LINUX],
- [LC_LUSTRE_VERSION_H
+ [
LC_CONFIG_PINGER
LC_CONFIG_CHECKSUM
LC_CONFIG_LIBLUSTRE_RECOVERY
LC_CONFIG_HEALTH_CHECK_WRITE
LC_CONFIG_LRU_RESIZE
- LC_QUOTA_MODULE
LC_LLITE_LLOOP_MODULE
# RHEL4 patches
LC_EXPORT_TRUNCATE_COMPLETE
- LC_EXPORT_TRUNCATE_RANGE
LC_EXPORT_D_REHASH_COND
LC_EXPORT___D_REHASH
LC_EXPORT_NODE_TO_CPUMASK
- LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
- LC_STRUCT_STATFS
LC_FILEMAP_POPULATE
- LC_D_ADD_UNIQUE
LC_BIT_SPINLOCK_H
- LC_XATTR_ACL
- LC_POSIX_ACL_XATTR_H
LC_CONST_ACL_SIZE
- LC_STRUCT_INTENT_FILE
-
LC_CAPA_CRYPTO
LC_CONFIG_RMTCLIENT
LC_CONFIG_GSS
- LC_FUNC_HAVE_CAN_SLEEP_ARG
- LC_FUNC_F_OP_FLOCK
- 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
- LC_EXPORT_SYNCHRONIZE_RCU
-
- # 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_VFS_KERN_MOUNT
- LC_INVALIDATEPAGE_RETURN_INT
LC_UMOUNTBEGIN_HAS_VFSMOUNT
- LC_SEQ_LOCK
- LC_EXPORT_FILEMAP_FDATAWRITE_RANGE
- LC_FLUSH_OWNER_ID
- if test x$enable_server = xyes ; then
- LC_EXPORT_INVALIDATE_MAPPING_PAGES
- fi
#2.6.18 + RHEL5 (fc6)
- LC_PG_FS_MISC
- LC_PAGE_CHECKED
LC_LINUX_FIEMAP_H
# 2.6.19
- LC_INODE_BLKSIZE
LC_FILE_WRITEV
LC_FILE_READV
LC_PROCFS_DELETED
LC_EXPORT_BDI_INIT
- #2.6.25
- LC_MAPPING_CAP_WRITEBACK_DIRTY
-
# 2.6.26
LC_FS_STRUCT_USE_PATH
# 2.6.27
+ LC_SECURITY_PLUG # for SLES10 SP2
+ LC_PGMKWRITE_USE_VMFAULT
+ LC_PGMKWRITE_COMPACT
LC_INODE_PERMISION_2ARGS
- LC_FILE_REMOVE_SUID
LC_TRYLOCKPAGE
LC_READ_INODE_IN_SBOPS
LC_EXPORT_INODE_PERMISSION
# 2.6.27.15-2 sles11
LC_BI_HW_SEGMENTS
LC_HAVE_QUOTAIO_H
- LC_VFS_SYMLINK_5ARGS
LC_BDI_NAME
LC_SB_ANY_QUOTA_ACTIVE
LC_SB_HAS_QUOTA_ACTIVE
LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
+ # 2.6.29
+ LC_SB_ANY_QUOTA_LOADED
+
# 2.6.30
LC_EXPORT_CPUMASK_OF_NODE
LC_BLK_QUEUE_MAX_SECTORS
LC_BLK_QUEUE_MAX_SEGMENTS
LC_SET_CPUS_ALLOWED
+ LC_CACHE_UPCALL
+ LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
+ LC_SELINUX_IS_ENABLED
+ LC_EXPORT_ACCESS_PROCESS_VM
+ LC_VFS_INODE_NEWSIZE_OK
- # 2.6.35
+ # 2.6.35, 3.0.0
LC_FILE_FSYNC
+ LC_EXPORT_SIMPLE_SETATTR
# 2.6.36
+ LC_FS_STRUCT_RWLOCK
LC_SBOPS_EVICT_INODE
+ # 2.6.37
+ LC_KERNEL_LOCKED
+
# 2.6.38
LC_ATOMIC_MNT_COUNT
LC_BLKDEV_GET_BY_DEV
LC_GENERIC_PERMISSION
+ LC_QUOTA_ON_USE_PATH
+ LC_DCACHE_LOCK
+ LC_D_COMPARE_7ARGS
+ LC_D_DELETE_CONST
# 2.6.39
LC_REQUEST_QUEUE_UNPLUG_FN
+ LC_HAVE_FSTYPE_MOUNT
+
+ # 3.3
+ LC_HAVE_MIGRATE_HEADER
+ LC_MIGRATEPAGE_4ARGS
+
+ # 3.1.1
+ LC_BLOCKS_FOR_TRUNCATE
#
if test x$enable_server = xyes ; then
LC_FUNC_DEV_SET_RDONLY
LC_STACK_SIZE
LC_QUOTA64
+ LC_QUOTA_CONFIG
fi
])
fi
])
+# RHEL5(2.6.18) has tux_info
AC_DEFUN([LC_TASK_CLENV_TUX_INFO],
[AC_MSG_CHECKING([tux_info])
LB_LINUX_TRY_COMPILE([
])
#
+# LC_OSD_ADDON
+#
+# configure support for optional OSD implementation
+#
+AC_DEFUN([LC_OSD_ADDON],
+[AC_MSG_CHECKING([for osd])
+AC_ARG_WITH([osd],
+ AC_HELP_STRING([--with-osd=path],
+ [set path to optional osd]),
+ [
+ case $with_osd in
+ no) ENABLEOSDADDON=0
+ ;;
+ *) OSDADDON="${with_osd}"
+ ENABLEOSDADDON=1
+ ;;
+ esac
+ ], [
+ ENABLEOSDADDON=0
+ ])
+if test $ENABLEOSDADDON -eq 0; then
+ AC_MSG_RESULT([no])
+ OSDADDON=
+else
+ OSDMODNAME=`basename $OSDADDON`
+ if test -e $LUSTRE/$OSDMODNAME; then
+ AC_MSG_RESULT([can't link])
+ OSDADDON=
+ elif ln -s $OSDADDON $LUSTRE/$OSDMODNAME; then
+ AC_MSG_RESULT([$OSDMODNAME])
+ OSDADDON="subdir-m += $OSDMODNAME"
+ else
+ AC_MSG_RESULT([can't link])
+ OSDADDON=
+ fi
+fi
+AC_SUBST(OSDADDON)
+])
+
+#
# LC_CONFIGURE
#
# other configure checks
AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
-AM_CONDITIONAL(QUOTA, test x$enable_quota_module = xyes)
AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
lustre/include/Makefile
lustre/include/lustre_ver.h
lustre/include/linux/Makefile
+lustre/include/darwin/Makefile
lustre/include/lustre/Makefile
lustre/kernel_patches/targets/2.6-rhel6.target
lustre/kernel_patches/targets/2.6-rhel5.target
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/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
])
])
git://git.whamcloud.com / fs / lustre-release.git / blobdiff