])
])
-# truncate_complete_page() was exported from RHEL5/SLES10, but not in SLES11 SP0 (2.6.27)
+# 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],
+AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE_PAGE],
[LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
[mm/truncate.c],
[AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
[kernel export delete_from_page_cache])])
])
-# The actual symbol exported varies among architectures, so we need
-# to check many symbols (but only in the current architecture.) No
-# matter what symbol is exported, the kernel #defines node_to_cpumask
-# to the appropriate function and that's what we use.
-AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
- [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
- [arch/$LINUX_ARCH/mm/numa.c],
- [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
- [node_to_cpumask is exported by
- the kernel])]) # x86_64
- LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
- [arch/$LINUX_ARCH/kernel/smpboot.c],
- [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
- [node_to_cpumask is exported by
- the kernel])]) # ia64
- LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
- [arch/$LINUX_ARCH/kernel/smpboot.c],
- [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
- [node_to_cpumask is exported by
- the kernel])]) # i386
- ])
-
-#
-# added in 2.6.17
-#
-AC_DEFUN([LC_BIT_SPINLOCK_H],
-[LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
- AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
- LB_LINUX_TRY_COMPILE([
- #include <asm/processor.h>
- #include <linux/spinlock.h>
- #include <linux/bit_spinlock.h>
- ],[],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
- ],[
- AC_MSG_RESULT([no])
- ])
-],
-[])
-])
-
#
# LC_CAPA_CRYPTO
#
AC_DEFUN([LC_CONFIG_SUNRPC],
[LB_LINUX_CONFIG_IM([SUNRPC],[],
- [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
+ [if test x$sunrpc_required == xyes; then
+ AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])
+ fi])
])
#
[AC_MSG_CHECKING([whether to enable gss/krb5 support])
AC_ARG_ENABLE([gss],
[AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
- [],[enable_gss='no'])
+ [],[enable_gss='auto'])
AC_MSG_RESULT([$enable_gss])
- if test x$enable_gss == xyes; then
+ if test x$enable_gss != xno; then
LC_CONFIG_GSS_KEYRING
+ sunrpc_required=$enable_gss
LC_CONFIG_SUNRPC
+ sunrpc_required=no
AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
[AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
- AC_CHECK_LIB([gssapi], [gss_export_lucid_sec_context],
- [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
- [AC_CHECK_LIB([gssglue], [gss_export_lucid_sec_context],
- [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
- [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
-
- AC_SUBST(GSSAPI_LIBS)
-
+ require_krb5=$enable_gss
AC_KERBEROS_V5
+ require_krb5=no
+
+ if test x$KRBDIR != x; then
+ AC_CHECK_LIB([gssapi], [gss_export_lucid_sec_context],
+ [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
+ [AC_CHECK_LIB([gssglue], [gss_export_lucid_sec_context],
+ [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
+ [if test x$enable_gss == xyes; then
+ AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])
+ fi])],)
+ AC_SUBST(GSSAPI_LIBS)
+ fi
fi
])
-# 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="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct address_space a;
-
- write_lock(&a.tree_lock);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
-],[
- AC_MSG_RESULT([no])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
#2.6.18 + RHEL5 (fc6)
-#
-# LC_LINUX_FIEMAP_H
-#
-# 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],[
- AC_MSG_CHECKING([if fiemap.h can be compiled])
- LB_LINUX_TRY_COMPILE([
- #include <linux/types.h>
- #include <linux/fiemap.h>
- ],[],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
- ],[
- AC_MSG_RESULT([no])
- ])
-],
-[])
-])
-
-# 2.6.19
-
-# LC_FILE_WRITEV
-# 2.6.19 replaced writev with aio_write
-AC_DEFUN([LC_FILE_WRITEV],
-[AC_MSG_CHECKING([writev in fops])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct file_operations *fops = NULL;
- fops->writev = NULL;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_FILE_WRITEV, 1,
- [use fops->writev])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
-# LC_FILE_READV
-# 2.6.19 replaced readv with aio_read
-AC_DEFUN([LC_FILE_READV],
-[AC_MSG_CHECKING([readv in fops])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct file_operations *fops = NULL;
- fops->readv = NULL;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_FILE_READV, 1,
- [use fops->readv])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
# raid5-zerocopy patch
#
])
])
-# 2.6.22
-
-# 2.6.22 lost second parameter for invalidate_bdev
-AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
-[AC_MSG_CHECKING([if invalidate_bdev has second argument])
-LB_LINUX_TRY_COMPILE([
- #include <linux/buffer_head.h>
-],[
- invalidate_bdev(NULL,0);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
- [invalidate_bdev has second argument])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
-#
-AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
-[AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- 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])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-# 2.6.23
-
-# 2.6.23 have return type 'void' for unregister_blkdev
-AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
-[AC_MSG_CHECKING([if unregister_blkdev return int])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- int i __attribute__ ((unused));
- i = unregister_blkdev(0,NULL);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
- [unregister_blkdev return int])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-# 2.6.23 add code to wait other users to complete before removing procfs entry
-AC_DEFUN([LC_PROCFS_USERS],
-[AC_MSG_CHECKING([if kernel has pde_users member in procfs entry struct])
-LB_LINUX_TRY_COMPILE([
- #include <linux/proc_fs.h>
-],[
- struct proc_dir_entry pde;
-
- pde.pde_users = 0;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_PROCFS_USERS, 1,
- [kernel has pde_users member in procfs entry struct])
-],[
- 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])
- ])
-])
-])
-
# 2.6.24
# 2.6.24 has bio_endio with 2 args
])
])
-# 2.6.26
-
-# 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 <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_FS_STRUCT_USE_PATH, 1,
- [fs_struct use path structure])
-],[
- 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)
-])
-])
-
+# up to v2.6.27 had a 3 arg version (inode, mask, nameidata)
+# v2.6.27->v2.6.37 had a 2 arg version (inode, mask)
+# v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata)
+# v3.1 onward have a 2 arg version (inode, mask)
AC_DEFUN([LC_INODE_PERMISION_2ARGS],
[AC_MSG_CHECKING([inode_operations->permission has two args])
LB_LINUX_TRY_COMPILE([
])
])
-# LC_LOCK_MAP_ACQUIRE
-# after 2.6.27 lock_map_acquire replaces lock_acquire
-AC_DEFUN([LC_LOCK_MAP_ACQUIRE],
-[AC_MSG_CHECKING([if lock_map_acquire is defined])
-LB_LINUX_TRY_COMPILE([
- #include <linux/lockdep.h>
-],[
- lock_map_acquire(NULL);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_LOCK_MAP_ACQUIRE, 1,
- [lock_map_acquire is defined])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
# 2.6.27.15-2 sles11
# 2.6.27 sles11 remove the bi_hw_segments
])
])
-# 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node
-AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE],
- [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map],
- [arch/$LINUX_ARCH/mm/numa.c],
- [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1,
- [node_to_cpumask_map is exported by
- the kernel])]) # x86_64
- ])
-
-
# 2.6.32
# 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
EXTRA_KCFLAGS=$tmp_flags
])
-# 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes
-AC_DEFUN([LC_SET_CPUS_ALLOWED],
- [AC_MSG_CHECKING([if kernel defines set_cpus_allowed])
- LB_LINUX_TRY_COMPILE(
- [#include <linux/sched.h>],
- [struct task_struct *p = NULL;
- cpumask_t mask = { { 0 } };
- (void) set_cpus_allowed(p, mask);],
- [AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1,
- [set_cpus_allowed is exported by the kernel])],
- [AC_MSG_RESULT([no])] )])
-
#
# 2.6.36 fs_struct.lock use spinlock instead of rwlock.
#
])
#
+# 3.9 uses hlist_for_each_entry with 3 args
+# b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
+#
+AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG],
+[AC_MSG_CHECKING([if hlist_for_each_entry has 3 args])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/list.h>
+ #include <linux/fs.h>
+],[
+ struct inode *inode;
+ struct dentry *dentry;
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
+ continue;
+ }
+],[
+ AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1, [3 args])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 3.9 killed f_vfsmnt by
+# 182be684784334598eee1d90274e7f7aa0063616
+# replacement is f_path.mnt
+#
+AC_DEFUN([LC_HAVE_F_PATH_MNT],
+[AC_MSG_CHECKING([if struct file has f_path.mnt])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct file *fp = NULL;
+ struct path path;
+
+ path.mnt = fp->f_path.mnt;
+],[
+ AC_DEFINE(HAVE_F_PATH_MNT,1,[yes])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
# LC_PROG_LINUX
#
# Lustre linux kernel checks
LC_CONFIG_LRU_RESIZE
LC_LLITE_LLOOP_MODULE
- # RHEL4 patches
- LC_EXPORT_TRUNCATE_COMPLETE
- LC_EXPORT_NODE_TO_CPUMASK
-
- LC_BIT_SPINLOCK_H
-
LC_CAPA_CRYPTO
LC_CONFIG_RMTCLIENT
LC_CONFIG_GSS
- # 2.6.12
- LC_RW_TREE_LOCK
-
- #2.6.18 + RHEL5 (fc6)
- LC_LINUX_FIEMAP_H
-
- # 2.6.19
- LC_FILE_WRITEV
- LC_FILE_READV
-
# raid5-zerocopy patch
LC_PAGE_CONSTANT
- # 2.6.22
- LC_INVALIDATE_BDEV_2ARG
- LC_FS_RENAME_DOES_D_MOVE
-
- # 2.6.23
- LC_UNREGISTER_BLKDEV_RETURN_INT
- LC_PROCFS_USERS
-
# 2.6.24
LC_BIO_ENDIO_2ARG
LC_PROCFS_DELETED
- # 2.6.26
- LC_FS_STRUCT_USE_PATH
-
# 2.6.27
- LC_SECURITY_PLUG # for SLES10 SP2
- LC_INODE_PERMISION_2ARGS
LC_QUOTA_ON_5ARGS
LC_QUOTA_OFF_3ARGS
- LC_LOCK_MAP_ACQUIRE
# 2.6.27.15-2 sles11
LC_BI_HW_SEGMENTS
LC_HAVE_QUOTAIO_H
- # 2.6.30
- LC_EXPORT_CPUMASK_OF_NODE
-
# 2.6.32
LC_BLK_QUEUE_MAX_SEGMENTS
- LC_SET_CPUS_ALLOWED
# 2.6.34
LC_HAVE_DQUOT_FS_DISK_QUOTA
# 2.6.35, 3.0.0
LC_FILE_FSYNC
LC_EXPORT_SIMPLE_SETATTR
+ LC_EXPORT_TRUNCATE_COMPLETE_PAGE
# 2.6.36
LC_FS_STRUCT_RWLOCK
LC_INODE_DIO_WAIT
LC_IOP_GET_ACL
LC_FILE_LLSEEK_SIZE
+ LC_INODE_PERMISION_2ARGS
# 3.1.1
LC_BLOCKS_FOR_TRUNCATE
# 3.7
LC_HAVE_POSIXACL_USER_NS
+
+ # 3.9
+ LC_HAVE_HLIST_FOR_EACH_3ARG
+ LC_HAVE_F_PATH_MNT
+
#
if test x$enable_server = xyes ; then
AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
fi
-# 2.6.29 blkdev_put has 2 arguments
-AC_DEFUN([LC_BLKDEV_PUT_2ARGS],
-[AC_MSG_CHECKING([blkdev_put needs 2 parameters])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- blkdev_put(NULL, 0);
-],[
- AC_DEFINE(HAVE_BLKDEV_PUT_2ARGS, 1,
- [blkdev_put needs 2 paramters])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
#
# --enable-mpitest
#
AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
[enable page state tracking code])
fi
-
- #2.6.29
- LC_BLKDEV_PUT_2ARGS
-
])
#