-#* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
-#* vim:expandtab:shiftwidth=8:tabstop=8:
#
# LC_CONFIG_SRCDIR
#
AC_SUBST(LUSTRE)
# mount.lustre
-rootsbindir='/sbin'
+rootsbindir='$(CROSS_PATH)/sbin'
AC_SUBST(rootsbindir)
demodir='$(docdir)/demo'
])
#
-# 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])
])
])
#
AC_DEFUN([LC_MDS_MAX_THREADS],
[
- AC_ARG_WITH([mds_max_threads],
- AC_HELP_STRING([--with-mds-max-threads=size],
- [define the maximum number of threads available on the MDS: (default=512)]),
- [
- MDS_THREAD_COUNT=$with_mds_max_threads
- AC_DEFINE_UNQUOTED(MDT_MAX_THREADS, $MDS_THREAD_COUNT, [maximum number of mdt threads])
- ])
+ AC_ARG_WITH([mds_max_threads],
+ AC_HELP_STRING([--with-mds-max-threads=count],
+ [maximum threads available on the MDS: (default=512)]),
+ [
+ MDS_THREAD_COUNT=$with_mds_max_threads
+ AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $MDS_THREAD_COUNT, [maximum number of MDS threads])
+ ])
])
#
fi
])
-# whether to enable quota support(kernel modules)
-AC_DEFUN([LC_QUOTA_MODULE],
-[if test x$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
-#
-AC_DEFUN([LC_XATTR_ACL],
-[LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
- AC_MSG_CHECKING([if xattr_acl.h can be compiled])
- LB_LINUX_TRY_COMPILE([
- #include <linux/xattr_acl.h>
- ],[],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
- ],[
- AC_MSG_RESULT([no])
- ])
-],
-[])
-])
-
-#
-# After 2.6.16 the xattr_acl API is removed, and posix_acl is used instead
+# LC_CONST_ACL_SIZE
#
-AC_DEFUN([LC_POSIX_ACL_XATTR_H],
-[LB_CHECK_FILE([$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
])
#
LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
[AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
- AC_CHECK_LIB([gssapi], [gss_init_sec_context],
+ AC_CHECK_LIB([gssapi], [gss_export_lucid_sec_context],
[GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
- [AC_CHECK_LIB([gssglue], [gss_init_sec_context],
+ [AC_CHECK_LIB([gssglue], [gss_export_lucid_sec_context],
[GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
[AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
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])
-])
+AC_DEFUN([LC_TASK_CLENV_STORE],
+[
+ AC_MSG_CHECKING([if we can store cl_env in task_struct])
+ if test x$have_task_clenv_store != xyes ; then
+ LC_TASK_CLENV_TUX_INFO
+ fi
])
-#
-# LC_FUNC_F_OP_FLOCK
-#
-# rhel4.2 kernel has f_op->flock field
-#
-AC_DEFUN([LC_FUNC_F_OP_FLOCK],
-[AC_MSG_CHECKING([if struct file_operations has flock field])
+# 2.6.12
+
+# ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
+# yet tree_lock is converted from rwlock to spin_lock since v2.6.26
+AC_DEFUN([LC_RW_TREE_LOCK],
+[AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- struct file_operations ll_file_operations_flock;
- ll_file_operations_flock.flock = NULL;
+ struct address_space a;
+
+ write_lock(&a.tree_lock);
],[
- AC_DEFINE(HAVE_F_OP_FLOCK, 1,
- [struct file_operations has flock field])
AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
],[
AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
-AC_DEFUN([LC_QUOTA_READ],
-[AC_MSG_CHECKING([if kernel supports quota_read])
+# 2.6.18
+
+# LC_UMOUNTBEGIN_HAS_VFSMOUNT
+# 2.6.18~2.6.25 umount_begin has different parameters
+AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
+[AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
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
-#
+ struct vfsmount;
+ static void cfg_umount_begin (struct vfsmount *v, int flags)
+ {
+ ;
+ }
-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>
+ static struct super_operations cfg_super_operations = {
+ .umount_begin = cfg_umount_begin,
+ };
],[
- struct dentry dentry;
- struct nameidata nd;
-
- dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
+ cfg_super_operations.umount_begin(NULL,0);
],[
- AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
- AC_MSG_RESULT([yes])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
+ [Define umount_begin need second argument])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT(no)
])
+EXTRA_KCFLAGS="$tmp_flags"
])
+#2.6.18 + RHEL5 (fc6)
+
#
-# LC_FUNC_RCU
+# LC_LINUX_FIEMAP_H
#
-# kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
-# call_rcu takes three parameters.
+# fiemap.h is added since v2.6.28
+# RHEL5 2.6.18 has it, while SLES10 2.6.27 does not
#
-AC_DEFUN([LC_FUNC_RCU],
-[AC_MSG_CHECKING([if kernel have RCU supported])
-LB_LINUX_TRY_COMPILE([
- #include <linux/rcupdate.h>
-],[],[
- AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
- AC_MSG_RESULT([yes])
-
- AC_MSG_CHECKING([if call_rcu takes three parameters])
- LB_LINUX_TRY_COMPILE([
- #include <linux/rcupdate.h>
- ],[
- struct rcu_head rh;
- call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
- ],[
- AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
- AC_MSG_RESULT([yes])
- ],[
- AC_MSG_RESULT([no])
- ])
-
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-AC_DEFUN([LC_PERCPU_COUNTER],
-[AC_MSG_CHECKING([if have struct percpu_counter defined])
-LB_LINUX_TRY_COMPILE([
- #include <linux/percpu_counter.h>
-],[],[
- AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found])
- AC_MSG_RESULT([yes])
-
- AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument])
+AC_DEFUN([LC_LINUX_FIEMAP_H],
+[LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
+ AC_MSG_CHECKING([if fiemap.h can be compiled])
LB_LINUX_TRY_COMPILE([
- #include <linux/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])
+ #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])
])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-AC_DEFUN([LC_TASK_CLENV_STORE],
-[
- AC_MSG_CHECKING([if we can store cl_env in task_struct])
- if test x$have_task_clenv_store != xyes ; then
- LC_TASK_CLENV_TUX_INFO
- fi
+],
+[])
])
-# ~2.6.11
+# 2.6.19
-AC_DEFUN([LC_S_TIME_GRAN],
-[AC_MSG_CHECKING([if super block has s_time_gran member])
+# LC_FILE_WRITEV
+# 2.6.19 replaced writev with aio_write
+AC_DEFUN([LC_FILE_WRITEV],
+[AC_MSG_CHECKING([writev in fops])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- struct super_block sb;
-
- return sb.s_time_gran;
+ struct file_operations *fops = NULL;
+ fops->writev = NULL;
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_FILE_WRITEV, 1,
+ [use fops->writev])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT(no)
])
])
-AC_DEFUN([LC_SB_TIME_GRAN],
-[AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
+# LC_FILE_READV
+# 2.6.19 replaced readv with aio_read
+AC_DEFUN([LC_FILE_READV],
+[AC_MSG_CHECKING([readv in fops])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- return get_sb_time_gran(NULL);
+ struct file_operations *fops = NULL;
+ fops->readv = NULL;
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_FILE_READV, 1,
+ [use fops->readv])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT(no)
])
])
-# 2.6.12
-
-# ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
-AC_DEFUN([LC_RW_TREE_LOCK],
-[AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
-tmp_flags="$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"
-])
-
-# 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
+# 2.6.20
-# 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
+# LC_CANCEL_DIRTY_PAGE
+# 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty.
+AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
+ [AC_MSG_CHECKING([kernel has cancel_dirty_page])
+ # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2
+ # backport is broken, so ignore it
+ if test -f $OFED_BACKPORT_PATH/linux/mm.h &&
+ test "$(sed -ne '/^static inline void cancel_dirty_page(struct page \*page, unsigned int account_size)$/,/^}$/p' $OFED_BACKPORT_PATH/linux/mm.h | md5sum)" = "c518cb32d6394760c5bca14cb7538d3e -"; then
+ AC_MSG_RESULT(no)
+ else
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+ #include <linux/page-flags.h>
],[
- struct inode i;
-
- mutex_unlock(&i.i_mutex);
+ cancel_dirty_page(NULL, 0);
],[
- 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(yes)
+ AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
+ [kernel has cancel_dirty_page instead of clear_page_dirty])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT(no)
])
+ fi
])
-# 2.6.16
+# raid5-zerocopy patch
-# 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])
+#
+# LC_PAGE_CONSTANT
+#
+# In order to support raid5 zerocopy patch, we have to patch the kernel to make
+# it support constant page, which means the page won't be modified during the
+# IO.
+#
+AC_DEFUN([LC_PAGE_CONSTANT],
+[AC_MSG_CHECKING([if kernel have PageConstant defined])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/mm.h>
+ #include <linux/page-flags.h>
],[
- struct dentry *dentry;
- struct vfsmount *mnt;
- struct iattr *iattr;
-
- notify_change(dentry, mnt, iattr);
+ #ifndef PG_constant
+ #error "Have no raid5 zcopy patch"
+ #endif
],[
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SECURITY_PLUG, 1,
- [SLES10 SP2 use extra parameter in vfs])
+ AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
],[
- AC_MSG_RESULT(no)
+ 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)
-])
-])
+# 2.6.22
-# LC_DQUOTOFF_MUTEX
-# after 2.6.17 dquote use mutex instead if semaphore
-AC_DEFUN([LC_DQUOTOFF_MUTEX],
-[AC_MSG_CHECKING([use dqonoff_mutex])
+# 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/mutex.h>
- #include <linux/fs.h>
- #include <linux/quota.h>
+ #include <linux/buffer_head.h>
],[
- struct quota_info dq;
-
- mutex_unlock(&dq.dqonoff_mutex);
+ invalidate_bdev(NULL,0);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
- [after 2.6.17 dquote use mutex instead if semaphore])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
+ [invalidate_bdev has second argument])
],[
- AC_MSG_RESULT(no)
+ 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])
+#
+# check for crypto API
+#
+AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
+[AC_MSG_CHECKING([if kernel has block cipher support])
LB_LINUX_TRY_COMPILE([
- #include <linux/pagemap.h>
+ #include <linux/err.h>
+ #include <linux/crypto.h>
],[
- return atomic_read(&nr_pagecache);
+ struct crypto_blkcipher *tfm;
+ tfm = crypto_alloc_blkcipher("aes", 0, sizeof(tfm) );
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_NR_PAGECACHE, 1,
- [is kernel export nr_pagecache])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
],[
- AC_MSG_RESULT(no)
+ 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.
-#
+# check for struct hash_desc
#
-AC_DEFUN([LC_STATFS_DENTRY_PARAM],
-[AC_MSG_CHECKING([if super_ops.statfs() first parameter is dentry])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
+AC_DEFUN([LC_STRUCT_HASH_DESC],
+[AC_MSG_CHECKING([if kernel has struct hash_desc])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/err.h>
+ #include <linux/crypto.h>
],[
- struct super_operations *sop = NULL;
- sop->statfs((struct dentry *)0, (struct kstatfs*)0);
+ struct hash_desc foo __attribute__ ((unused));
],[
- AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
- [super_ops.statfs() first parameter is dentry])
AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
],[
AC_MSG_RESULT([no])
])
-EXTRA_KCFLAGS="$tmp_flags"
])
#
-# LC_VFS_KERN_MOUNT
-# starting from 2.6.18 kernel don't export do_kern_mount
-# and want to use vfs_kern_mount instead.
+# check for struct blkcipher_desc
#
-AC_DEFUN([LC_VFS_KERN_MOUNT],
-[AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
+AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC],
+[AC_MSG_CHECKING([if kernel has struct blkcipher_desc])
LB_LINUX_TRY_COMPILE([
- #include <linux/mount.h>
+ #include <linux/err.h>
+ #include <linux/crypto.h>
],[
- vfs_kern_mount(NULL, 0, NULL, NULL);
+ struct blkcipher_desc foo __attribute__ ((unused));
],[
- AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
- [vfs_kern_mount exist in kernel])
AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
],[
AC_MSG_RESULT([no])
])
])
#
-# LC_INVALIDATEPAGE_RETURN_INT
-# 2.6.17 changes return type for invalidatepage to 'void' from 'int'
+# 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
#
-AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
-[AC_MSG_CHECKING([invalidatepage has return int])
+AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
+[AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
LB_LINUX_TRY_COMPILE([
- #include <linux/buffer_head.h>
+ #include <linux/fs.h>
],[
- int rc = block_invalidatepage(NULL, 0);
+ int v __attribute__ ((unused));
+ v = FS_RENAME_DOES_D_MOVE;
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
- [Define if return type of invalidatepage should be int])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
])
-# LC_UMOUNTBEGIN_HAS_VFSMOUNT
-# after 2.6.18 umount_begin has different parameters
-AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
-[AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-
- struct vfsmount;
- static void cfg_umount_begin (struct vfsmount *v, int flags)
- {
- ;
- }
+# 2.6.23
- static struct super_operations cfg_super_operations = {
- .umount_begin = cfg_umount_begin,
- };
+# 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>
],[
- cfg_super_operations.umount_begin(NULL,0);
+ int i __attribute__ ((unused));
+ i = unregister_blkdev(0,NULL);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
- [Define umount_begin need second argument])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
+ [unregister_blkdev return int])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
-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])
+# 2.6.23 change .sendfile to .splice_read
+AC_DEFUN([LC_KERNEL_SPLICE_READ],
+[AC_MSG_CHECKING([if kernel has .splice_read])
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])
+ #include <linux/fs.h>
],[
- AC_MSG_RESULT(NO)
-])
-])
+ struct file_operations file;
-#
-# 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])
+ file.splice_read = NULL;
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
+ [kernel has .slice_read])
],[
+ AC_MSG_RESULT([no])
])
])
-# 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])
+# 2.6.23 change .sendfile to .splice_read
+# RHEL4 (-92 kernel) have both sendfile and .splice_read API
+AC_DEFUN([LC_KERNEL_SENDFILE],
+[AC_MSG_CHECKING([if kernel has .sendfile])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- struct file_operations *fops = NULL;
- fl_owner_t id;
- int i;
+ struct file_operations file;
- i = fops->flush(NULL, id);
-],[
- AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1,
- [file_operations .flush method has an fl_owner_t id])
+ file.sendfile = NULL;
+], [
AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
+ [kernel has .sendfile])
],[
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])
- ])
- ],[])
+# 2.6.23 extract nfs export related data into exportfs.h
+AC_DEFUN([LC_HAVE_EXPORTFS_H],
+[LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [
+ AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1,
+ [kernel has include/exportfs.h])
+],[
+ AC_MSG_RESULT([no])
+])
])
-#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])
+# 2.6.23 has new page fault handling API
+AC_DEFUN([LC_VM_OP_FAULT],
+[AC_MSG_CHECKING([kernel has .fault in vm_operation_struct])
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])
+ struct vm_operations_struct op;
+
+ op.fault = NULL;
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_VM_OP_FAULT, 1,
+ [kernel has .fault in vm_operation_struct])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
])
-# RHEL5 PageChecked and SetPageChecked defined
-AC_DEFUN([LC_PAGE_CHECKED],
-[AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
+# 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([
-#ifdef HAVE_LINUX_MMTYPES_H
- #include <linux/mm_types.h>
-#endif
- #include <linux/page-flags.h>
+ #include <linux/proc_fs.h>
],[
- struct page *p;
+ struct proc_dir_entry pde;
- /* before 2.6.26 this define*/
- #ifndef PageChecked
- /* 2.6.26 use function instead of define for it */
- SetPageChecked(p);
- PageChecked(p);
- #endif
+ pde.pde_users = 0;
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_PAGE_CHECKED, 1,
- [does kernel have PageChecked and SetPageChecked])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PROCFS_USERS, 1,
+ [kernel has pde_users member in procfs entry struct])
],[
- AC_MSG_RESULT(no)
-])
-])
+ LB_LINUX_TRY_COMPILE([
+ #include "$LINUX/fs/proc/internal.h"
+ ],[
+ struct proc_dir_entry_aux pde_aux;
-#
-# LC_LINUX_FIEMAP_H
-#
-# If we have fiemap.h
-# after 2.6.27 use fiemap.h in include/linux
-#
-AC_DEFUN([LC_LINUX_FIEMAP_H],
-[LB_CHECK_FILE([$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])
- ])
-],
-[])
+ 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])
+ ])
+])
])
-# 2.6.19
+# 2.6.23 exports exportfs_decode_fh
+AC_DEFUN([LC_EXPORTFS_DECODE_FH],
+[LB_CHECK_SYMBOL_EXPORT([exportfs_decode_fh],
+[fs/exportfs/expfs.c],[
+ AC_DEFINE(HAVE_EXPORTFS_DECODE_FH, 1,
+ [exportfs_decode_fh has been export])
+],[
+])
+])
-# 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>
+# 2.6.24
+
+# 2.6.24 need linux/mm_types.h included
+AC_DEFUN([LC_HAVE_MMTYPES_H],
+[LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [
+ AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1,
+ [kernel has include/mm_types.h])
],[
- struct inode i;
- i.i_blksize = 0;
+ AC_MSG_RESULT([no])
+])
+])
+
+# 2.6.24 has bio_endio with 2 args
+AC_DEFUN([LC_BIO_ENDIO_2ARG],
+[AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/bio.h>
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
- [struct inode has i_blksize field])
+ bio_endio(NULL, 0);
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
+ [kernel has bio_endio with 2 args])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
])
-# LC_FILE_WRITEV
-# 2.6.19 replaced writev with aio_write
-AC_DEFUN([LC_FILE_WRITEV],
-[AC_MSG_CHECKING([writev in fops])
+# 2.6.24 has new members in exports struct.
+AC_DEFUN([LC_FH_TO_DENTRY],
+[AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
+#ifdef HAVE_LINUX_EXPORTFS_H
+ #include <linux/exportfs.h>
+#endif
],[
- struct file_operations *fops = NULL;
- fops->writev = NULL;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_FILE_WRITEV, 1,
- [use fops->writev])
+ do{ }while(sizeof(((struct export_operations *)0)->fh_to_dentry));
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
+ [kernel has .fh_to_dentry member in export_operations struct])
],[
- AC_MSG_RESULT(no)
+ 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])
+# 2.6.24 removes long aged procfs entry -> deleted member
+AC_DEFUN([LC_PROCFS_DELETED],
+[AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/proc_fs.h>
],[
- struct file_operations *fops = NULL;
- fops->readv = NULL;
+ struct proc_dir_entry pde;
+
+ pde.deleted = sizeof(pde);
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PROCFS_DELETED, 1,
+ [kernel has deleted member in procfs entry struct])
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_FILE_READV, 1,
- [use fops->readv])
+ AC_MSG_RESULT([no])
+])
+])
+
+# 2.6.24 has bdi_init()/bdi_destroy() functions.
+AC_DEFUN([LC_EXPORT_BDI_INIT],
+[LB_CHECK_SYMBOL_EXPORT([bdi_init],
+[mm/backing-dev.c],[
+ AC_DEFINE(HAVE_BDI_INIT, 1,
+ [bdi_init/bdi_destroy functions are present])
],[
- AC_MSG_RESULT(no)
])
])
-# 2.6.20
+# 2.6.26
-# LC_CANCEL_DIRTY_PAGE
-# 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty.
-AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
- [AC_MSG_CHECKING([kernel has cancel_dirty_page])
- # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2
- # backport is broken, so ignore it
- if test -f $OFED_BACKPORT_PATH/linux/mm.h &&
- test "$(sed -ne '/^static inline void cancel_dirty_page(struct page \*page, unsigned int account_size)$/,/^}$/p' $OFED_BACKPORT_PATH/linux/mm.h | md5sum)" = "c518cb32d6394760c5bca14cb7538d3e -"; then
- AC_MSG_RESULT(no)
- else
- LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
- #include <linux/page-flags.h>
-],[
- cancel_dirty_page(NULL, 0);
+# 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>
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
- [kernel has cancel_dirty_page instead of clear_page_dirty])
+ 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)
+ AC_MSG_RESULT([no])
])
- fi
])
-# raid5-zerocopy patch
-
-#
-# LC_PAGE_CONSTANT
#
-# In order to support raid5 zerocopy patch, we have to patch the kernel to make
-# it support constant page, which means the page won't be modified during the
-# IO.
+# 2.6.27
#
-AC_DEFUN([LC_PAGE_CONSTANT],
-[AC_MSG_CHECKING([if kernel have PageConstant defined])
+
+# 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/mm.h>
- #include <linux/page-flags.h>
+ #include <linux/fs.h>
+ #include <linux/stddef.h>
],[
- #ifndef PG_constant
- #error "Have no raid5 zcopy patch"
- #endif
+ notify_change(NULL, NULL, NULL);
],[
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
+ AC_DEFINE(HAVE_SECURITY_PLUG, 1,
+ [SLES10 SP2 use extra parameter in vfs])
],[
- AC_MSG_RESULT(no);
+ AC_MSG_RESULT(no)
])
])
-# 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])
+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/buffer_head.h>
-],[
- invalidate_bdev(NULL,0);
+ #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_INVALIDATE_BDEV_2ARG, 1,
- [invalidate_bdev has second argument])
+ 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="$tmp_flags"
])
-#
-# check for crypto API
-#
-AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
-[AC_MSG_CHECKING([if kernel has block cipher support])
+AC_DEFUN([LC_PGMKWRITE_COMPACT],
+[AC_MSG_CHECKING([if kernel .page_mkwrite is located in vm_operation_struct._pmkw])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
- #include <linux/err.h>
- #include <linux/crypto.h>
-],[
- struct crypto_blkcipher *tfm;
- tfm = crypto_alloc_blkcipher("aes", 0, sizeof(tfm) );
+ #include <linux/mm.h>
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
+ 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])
+ AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
-#
-# check for struct hash_desc
-#
-AC_DEFUN([LC_STRUCT_HASH_DESC],
-[AC_MSG_CHECKING([if kernel has struct hash_desc])
+AC_DEFUN([LC_INODE_PERMISION_2ARGS],
+[AC_MSG_CHECKING([inode_operations->permission has two args])
LB_LINUX_TRY_COMPILE([
- #include <linux/err.h>
- #include <linux/crypto.h>
+ #include <linux/fs.h>
],[
- struct hash_desc foo;
+ struct inode *inode __attribute__ ((unused));
+
+ inode = NULL;
+ inode->i_op->permission(NULL, 0);
],[
+ AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
+ [inode_operations->permission has two args])
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
],[
AC_MSG_RESULT([no])
])
])
-#
-# check for struct blkcipher_desc
-#
-AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC],
-[AC_MSG_CHECKING([if kernel has struct blkcipher_desc])
+# 2.6.27 have new page locking API
+AC_DEFUN([LC_TRYLOCKPAGE],
+[AC_MSG_CHECKING([kernel uses trylock_page for page lock])
LB_LINUX_TRY_COMPILE([
- #include <linux/err.h>
- #include <linux/crypto.h>
+ #include <linux/pagemap.h>
],[
- struct blkcipher_desc foo;
+ trylock_page(NULL);
],[
+ AC_DEFINE(HAVE_TRYLOCK_PAGE, 1,
+ [kernel uses trylock_page for page lock])
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
],[
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])
+# 2.6.27 removed the read_inode from super_operations.
+AC_DEFUN([LC_READ_INODE_IN_SBOPS],
+[AC_MSG_CHECKING([super_operations has a read_inode field])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- int v = FS_RENAME_DOES_D_MOVE;
+ struct super_operations *sop;
+ sop->read_inode(NULL);
],[
+ AC_DEFINE(HAVE_READ_INODE_IN_SBOPS, 1,
+ [super_operations has a read_inode])
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
+# 2.6.27 has inode_permission instead of permisson
+AC_DEFUN([LC_EXPORT_INODE_PERMISSION],
+[LB_CHECK_SYMBOL_EXPORT([inode_permission],
+[fs/namei.c],[
+AC_DEFINE(HAVE_EXPORT_INODE_PERMISSION, 1,
+ [inode_permission is exported by the kernel])
+],[
+])
+])
-# 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])
+# 2.6.27 use 5th parameter in quota_on for remount.
+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>
],[
- int i = unregister_blkdev(0,NULL);
+ struct quotactl_ops *qop = NULL;
+ qop->quota_on(NULL, 0, 0, NULL, 0);
],[
+ AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
+ [quota_on needs 5 paramters])
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
- [unregister_blkdev return int])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.23 change .sendfile to .splice_read
-AC_DEFUN([LC_KERNEL_SPLICE_READ],
-[AC_MSG_CHECKING([if kernel has .splice_read])
+# 2.6.27 use 3th parameter in quota_off for remount.
+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 file_operations file;
+ struct quotactl_ops *qop = NULL;
+ qop->quota_off(NULL, 0, 0);
+],[
+ AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
+ [quota_off needs 3 paramters])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
- file.splice_read = NULL;
-], [
+# 2.6.27 has vfs_dq_off inline function.
+AC_DEFUN([LC_VFS_DQ_OFF],
+[AC_MSG_CHECKING([vfs_dq_off is defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/quotaops.h>
+],[
+ vfs_dq_off(NULL, 0);
+],[
+ AC_DEFINE(HAVE_VFS_DQ_OFF, 1, [vfs_dq_off is defined])
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
- [kernel has .slice_read])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.23 change .sendfile to .splice_read
-# RHEL4 (-92 kernel) have both sendfile and .splice_read API
-AC_DEFUN([LC_KERNEL_SENDFILE],
-[AC_MSG_CHECKING([if kernel has .sendfile])
+# 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
+AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA],
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+[AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct fs_disk_quota])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/fs.h>
+ #include <linux/quota.h>
],[
- struct file_operations file;
+ struct quotactl_ops qops = {};
+ struct fs_disk_quota fdq;
+ qops.set_dqblk(NULL, 0, 0, &fdq);
+],[
+ AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
- file.sendfile = NULL;
-], [
+# 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
+AC_DEFUN([LC_HAVE_DQUOT_SUSPEND],
+[AC_MSG_CHECKING([if dquot_suspend is defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/quotaops.h>
+],[
+ dquot_suspend(NULL, -1);
+],[
+ AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+# LC_LOCK_MAP_ACQUIRE
+# after 2.6.27 lock_map_acquire replaces lock_acquire
+AC_DEFUN([LC_LOCK_MAP_ACQUIRE],
+[AC_MSG_CHECKING([if lock_map_acquire is defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/lockdep.h>
+],[
+ lock_map_acquire(NULL);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_LOCK_MAP_ACQUIRE, 1,
+ [lock_map_acquire is defined])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+# 2.6.27.15-2 sles11
+
+# 2.6.27 sles11 remove the bi_hw_segments
+AC_DEFUN([LC_BI_HW_SEGMENTS],
+[AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/bio.h>
+],[
+ struct bio io;
+ io.bi_hw_segments = sizeof(io);
+],[
+ AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
+ [struct bio has a bi_hw_segments field])
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
- [kernel has .sendfile])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.23 extract nfs export related data into exportfs.h
-AC_DEFUN([LC_HAVE_EXPORTFS_H],
-[LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [
- AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1,
- [kernel has include/exportfs.h])
+#
+# 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
+# 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
+AC_DEFUN([LC_HAVE_QUOTAIO_H],
+[LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
+ AC_DEFINE(HAVE_QUOTAIO_H, 1,
+ [kernel has include/linux/quotaio_v2.h])
+],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
+ AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
+ [kernel has fs/quotaio_v1.h])
+],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
+ AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
+ [kernel has fs/quota/quotaio_v2.h])
],[
AC_MSG_RESULT([no])
])
])
+])
+])
-# 2.6.23 has new page fault handling API
-AC_DEFUN([LC_VM_OP_FAULT],
-[AC_MSG_CHECKING([kernel has .fault in vm_operation_struct])
+# 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])
LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
+ #include <linux/quotaops.h>
],[
- struct vm_operations_struct op;
-
- op.fault = NULL;
-], [
+ sb_any_quota_active(NULL);
+],[
+ AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
+ [Kernel has a sb_any_quota_active])
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_VM_OP_FAULT, 1,
- [kernel has .fault in vm_operation_struct])
],[
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])
+# 2.6.27 sles11 has sb_has_quota_active
+AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE],
+[AC_MSG_CHECKING([Kernel has sb_has_quota_active])
LB_LINUX_TRY_COMPILE([
- #include <linux/proc_fs.h>
+ #include <linux/quotaops.h>
],[
- struct proc_dir_entry pde;
+ sb_has_quota_active(NULL, 0);
+],[
+ AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1,
+ [Kernel has a sb_has_quota_active])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
- pde.pde_users = 0;
+# 2.6.27 exported add_to_page_cache_lru.
+AC_DEFUN([LC_EXPORT_ADD_TO_PAGE_CACHE_LRU],
+[LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
+[mm/filemap.c],[
+ AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
+ [add_to_page_cache_lru functions are present])
+],[
+])
+])
+
+#
+# 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_DEFINE(HAVE_PROCFS_USERS, 1,
- [kernel has pde_users member in procfs entry struct])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.23 exports exportfs_decode_fh
-AC_DEFUN([LC_EXPORTFS_DECODE_FH],
-[LB_CHECK_SYMBOL_EXPORT([exportfs_decode_fh],
-[fs/exportfs/expfs.c],[
- AC_DEFINE(HAVE_EXPORTFS_DECODE_FH, 1,
- [exportfs_decode_fh has been export])
+# 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
+ ])
+
+
+# 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
+AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE],
+[AC_MSG_CHECKING([if blk_queue_logical_block_size is defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/blkdev.h>
],[
+ blk_queue_logical_block_size(NULL, 0);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_BLK_QUEUE_LOG_BLK_SIZE, 1,
+ [blk_queue_logical_block_size is defined])
+],[
+ AC_MSG_RESULT(no)
])
])
-# 2.6.24
+# 2.6.32
-# 2.6.24 need linux/mm_types.h included
-AC_DEFUN([LC_HAVE_MMTYPES_H],
-[LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [
- AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1,
- [kernel has include/mm_types.h])
+# 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>
],[
- AC_MSG_RESULT([no])
+ 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)
])
])
-# 2.6.24 has bio_endio with 2 args
-AC_DEFUN([LC_BIO_ENDIO_2ARG],
-[AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
+# 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])
LB_LINUX_TRY_COMPILE([
- #include <linux/bio.h>
+ #include <linux/blkdev.h>
],[
- bio_endio(NULL, 0);
-], [
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
- [kernel has bio_endio with 2 args])
+ struct request_queue rq;
+ rq.limits.io_min = 0;
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_REQUEST_QUEUE_LIMITS, 1,
+ [request_queue has a limits field])
+],[
+ AC_MSG_RESULT(no)
])
])
-# 2.6.24 has new members in exports struct.
-AC_DEFUN([LC_FH_TO_DENTRY],
-[AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
+# 2.6.32 has bdi_register() functions.
+AC_DEFUN([LC_EXPORT_BDI_REGISTER],
+[LB_CHECK_SYMBOL_EXPORT([bdi_register],
+[mm/backing-dev.c],[
+ AC_DEFINE(HAVE_BDI_REGISTER, 1,
+ [bdi_register function is present])
+],[
+])
+])
+
+# 2.6.32 add s_bdi for super block
+AC_DEFUN([LC_SB_BDI],
+[AC_MSG_CHECKING([if super_block has s_bdi field])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
-#ifdef HAVE_LINUX_EXPORTFS_H
- #include <linux/exportfs.h>
-#endif
],[
- struct export_operations exp;
- memset(exp.fh_to_dentry, 0, sizeof(exp.fh_to_dentry));
-], [
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
- [kernel has .fh_to_dentry member in export_operations struct])
+ struct super_block sb;
+ sb.s_bdi = NULL;
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SB_BDI, 1,
+ [super_block has s_bdi field])
+],[
+ AC_MSG_RESULT(no)
])
])
-# 2.6.24 removes long aged procfs entry -> deleted member
-AC_DEFUN([LC_PROCFS_DELETED],
-[AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
+# 2.6.27.15-2 SuSE 11 sp0 kernels lack the name field for BDI
+AC_DEFUN([LC_BDI_NAME],
+[AC_MSG_CHECKING([if backing_device_info has name field])
LB_LINUX_TRY_COMPILE([
- #include <linux/proc_fs.h>
+ #include <linux/blkdev.h>
],[
- struct proc_dir_entry pde;
+ struct backing_dev_info bdi;
+ bdi.name = NULL;
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_BDI_NAME, 1,
+ [backing_device_info has name field])
+],[
+ AC_MSG_RESULT(no)
+])
+])
- pde.deleted = sizeof(pde);
-], [
+# 2.6.32 removes blk_queue_max_sectors and add blk_queue_max_hw_sectors
+# check blk_queue_max_sectors and use it until disappear.
+AC_DEFUN([LC_BLK_QUEUE_MAX_SECTORS],
+[AC_MSG_CHECKING([if blk_queue_max_sectors is defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/blkdev.h>
+],[
+ blk_queue_max_sectors(NULL, 0);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_BLK_QUEUE_MAX_SECTORS, 1,
+ [blk_queue_max_sectors is defined])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+# 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
+AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
+[AC_MSG_CHECKING([if blk_queue_max_segments is defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/blkdev.h>
+],[
+ blk_queue_max_segments(NULL, 0);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
+ [blk_queue_max_segments is defined])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+#
+# LC_QUOTA64
+#
+# Check if kernel has been patched for 64-bit quota limits support.
+# The upstream version of this patch in RHEL6 2.6.32 kernels introduces
+# the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
+# that in the absence of quotaio_v1.h in the kernel headers.
+#
+AC_DEFUN([LC_QUOTA64],[
+ AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-I$LINUX/fs"
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/kernel.h>
+ #include <linux/fs.h>
+ #ifdef HAVE_QUOTAIO_H
+ # include <linux/quotaio_v2.h>
+ int versions[] = V2_INITQVERSIONS_R1;
+ struct v2_disk_dqblk_r1 dqblk_r1;
+ #elif defined(HAVE_FS_QUOTA_QUOTAIO_H)
+ # include <quota/quotaio_v2.h>
+ struct v2r1_disk_dqblk dqblk_r1;
+ #elif defined(HAVE_FS_QUOTAIO_H)
+ # include <quotaio_v2.h>
+ struct v2r1_disk_dqblk dqblk_r1;
+ #else
+ #include <linux/quota.h>
+ int ver = QFMT_VFS_V1;
+ #endif
+ ],[],[
+ AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
+ AC_MSG_RESULT([yes])
+ ],[
+ LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
+ AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
+ ],[])
+ AC_MSG_RESULT([no])
+ ])
+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])] )])
+
+# 2.6.32 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_PROCFS_DELETED, 1,
- [kernel has deleted member in procfs entry struct])
+ AC_DEFINE(HAVE_SELINUX_IS_ENABLED, 1,
+ [selinux_is_enabled is defined])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.24 has bdi_init()/bdi_destroy() functions.
-AC_DEFUN([LC_EXPORT_BDI_INIT],
-[LB_CHECK_SYMBOL_EXPORT([bdi_init],
-[mm/backing-dev.c],[
- AC_DEFINE(HAVE_BDI_INIT, 1,
- [bdi_init/bdi_destroy functions are present])
+#
+# 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])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/dcache.h>
],[
+ d_obtain_alias(NULL);
+],[
+ AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
+ [d_obtain_alias exist in kernel])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
])
])
-# 2.6.25
+#
+# 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])],
+ [])
+ ]
+)
-# 2.6.25 change define to inline
-AC_DEFUN([LC_MAPPING_CAP_WRITEBACK_DIRTY],
-[AC_MSG_CHECKING([if kernel have mapping_cap_writeback_dirty])
+#
+# 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 <linux/backing-dev.h>
+ #include <asm/atomic.h>
+ #include <linux/spinlock.h>
+ #include <linux/fs_struct.h>
],[
- #ifndef mapping_cap_writeback_dirty
- mapping_cap_writeback_dirty(NULL);
- #endif
+ ((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_DEFINE(HAVE_MAPPING_CAP_WRITEBACK_DIRTY, 1,
- [kernel have mapping_cap_writeback_dirty])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.26
+#
+# 2.6.36 super_operations add evict_inode method. it hybird of
+# delete_inode & clear_inode.
+#
+AC_DEFUN([LC_SBOPS_EVICT_INODE],
+[AC_MSG_CHECKING([if super_operations.evict_inode exist])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ ((struct super_operations *)0)->evict_inode(NULL);
+],[
+ AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
+ [super_operations.evict_inode() is exist in kernel])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
-# 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])
+#
+# 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 takes 4 or 2 arguments])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ ((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 <asm/atomic.h>
- #include <linux/spinlock.h>
- #include <linux/fs_struct.h>
+ #include <linux/smp_lock.h>
+],[
+ kernel_locked();
],[
- struct path path;
- struct fs_struct fs;
-
- fs.pwd = path;
- memset(&fs, 0, sizeof(fs));
-], [
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
- [fs_struct use path structure])
+ AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
+ [kernel_locked is defined])
],[
AC_MSG_RESULT([no])
])
])
-
#
-# 2.6.27
+# 2.6.38 dentry_operations.d_compare() taken 7 arguments.
#
-AC_DEFUN([LC_INODE_PERMISION_2ARGS],
-[AC_MSG_CHECKING([inode_operations->permission has two args])
+AC_DEFUN([LC_D_COMPARE_7ARGS],
+[AC_MSG_CHECKING([if d_compare taken 7 arguments])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/dcache.h>
],[
- struct inode *inode;
- inode->i_op->permission(NULL, 0);
+ ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
],[
- AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
- [inode_operations->permission has two args])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
+ [d_compare need 7 arguments])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
])
-# 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])
+#
+# 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/fs.h>
+ #include <linux/dcache.h>
],[
- file_remove_suid(NULL);
+ const struct dentry *d = NULL;
+ ((struct dentry_operations*)0)->d_delete(d);
],[
- AC_DEFINE(HAVE_FILE_REMOVE_SUID, 1,
- [kernel have file_remove_suid])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_D_DELETE_CONST, const,
+ [d_delete first parameter declared const])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT([no])
+ AC_DEFINE(HAVE_D_DELETE_CONST, , [])
+ AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
-# 2.6.27 have new page locking API
-AC_DEFUN([LC_TRYLOCKPAGE],
-[AC_MSG_CHECKING([kernel uses trylock_page for page lock])
+#
+# 2.6.38 dcache_lock removed. rcu-walk commited.
+#
+AC_DEFUN([LC_DCACHE_LOCK],
+[AC_MSG_CHECKING([if dcache_lock is exist])
LB_LINUX_TRY_COMPILE([
- #include <linux/pagemap.h>
+ #include <linux/dcache.h>
],[
- trylock_page(NULL);
+ spin_lock(&dcache_lock);
],[
- AC_DEFINE(HAVE_TRYLOCK_PAGE, 1,
- [kernel uses trylock_page for page lock])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_DCACHE_LOCK, 1,
+ [dcache_lock is exist])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
])
-# 2.6.27 removed the read_inode from super_operations.
-AC_DEFUN([LC_READ_INODE_IN_SBOPS],
-[AC_MSG_CHECKING([super_operations has a read_inode field])
+#
+# 2.6.38 export blkdev_get_by_dev
+#
+AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
+[LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
+[fs/block_dev.c],[
+AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
+ [blkdev_get_by_dev is exported by the kernel])
+],[
+])
+])
+
+#
+# 2.6.38 use path as 4th parameter in quota_on.
+#
+AC_DEFUN([LC_QUOTA_ON_USE_PATH],
+[AC_MSG_CHECKING([quota_on use path as parameter])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
+ #include <linux/quota.h>
],[
- struct super_operations *sop;
- sop->read_inode(NULL);
+ ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
],[
- AC_DEFINE(HAVE_READ_INODE_IN_SBOPS, 1,
- [super_operations has a read_inode])
+ 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"
])
-# 2.6.27 has inode_permission instead of permisson
-AC_DEFUN([LC_EXPORT_INODE_PERMISSION],
-[LB_CHECK_SYMBOL_EXPORT([inode_permission],
-[fs/namei.c],[
-AC_DEFINE(HAVE_EXPORT_INODE_PERMISSION, 1,
- [inode_permission is exported by the kernel])
+#
+# 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])
],[
])
])
-# 2.6.27 use 5th parameter in quota_on for remount.
-AC_DEFUN([LC_QUOTA_ON_5ARGS],
-[AC_MSG_CHECKING([quota_on needs 5 parameters])
+#
+# 2.6.39 remove unplug_fn from request_queue.
+#
+AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
+[AC_MSG_CHECKING([if request_queue has unplug_fn field])
LB_LINUX_TRY_COMPILE([
- #include <linux/quota.h>
+ #include <linux/blkdev.h>
],[
- struct quotactl_ops *qop;
- qop->quota_on(NULL, 0, 0, NULL, 0);
+ do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
],[
- AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
- [quota_on needs 5 paramters])
+ AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
+ [request_queue has unplug_fn field])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.27 use 3th parameter in quota_off for remount.
-AC_DEFUN([LC_QUOTA_OFF_3ARGS],
-[AC_MSG_CHECKING([quota_off needs 3 parameters])
+#
+# 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/quota.h>
+ #include <linux/fs.h>
],[
- struct quotactl_ops *qop;
- qop->quota_off(NULL, 0, 0);
+ struct file_system_type fst;
+ void *i = (void *) fst.mount;
],[
- AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
- [quota_off needs 3 paramters])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
+ [struct file_system_type has mount field])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
])
-# 2.6.27 has vfs_dq_off inline function.
-AC_DEFUN([LC_VFS_DQ_OFF],
-[AC_MSG_CHECKING([vfs_dq_off is defined])
+#
+# 3.0 dirty_inode() has a flag parameter
+# see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
+#
+AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG],
+[AC_MSG_CHECKING([if dirty_inode super_operation takes flag])
LB_LINUX_TRY_COMPILE([
- #include <linux/quotaops.h>
+ #include <linux/fs.h>
],[
- vfs_dq_off(NULL, 0);
+ struct inode *inode;
+ inode->i_sb->s_op->dirty_inode(NULL, 0);
],[
- AC_DEFINE(HAVE_VFS_DQ_OFF, 1, [vfs_dq_off is defined])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
+ [dirty_inode super_operation takes flag])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
])
-# 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])
+#
+# 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 2 or 4 arguments])
LB_LINUX_TRY_COMPILE([
- #include <linux/lockdep.h>
+ #include <linux/fs.h>
],[
- lock_map_acquire(NULL);
+ generic_permission(NULL, 0);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_LOCK_MAP_ACQUIRE, 1,
- [lock_map_acquire is defined])
+ 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])
+ ])
])
])
-# 2.6.27.15-2 sles11
-
-# 2.6.27 sles11 remove the bi_hw_segments
-AC_DEFUN([LC_BI_HW_SEGMENTS],
-[AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
+#
+# 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
+# see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
+#
+AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS],
+[AC_MSG_CHECKING([if lock-manager ops renamed to lm_xxx])
LB_LINUX_TRY_COMPILE([
- #include <linux/bio.h>
+ #include <linux/fs.h>
],[
- struct bio io;
- io.bi_hw_segments = sizeof(io);
+ struct lock_manager_operations lm_ops;
+ lm_ops.lm_compare_owner = NULL;
],[
- AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
- [struct bio has a bi_hw_segments field])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
+ [lock-manager ops renamed to lm_xxx])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
])
#
-# 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
-# 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
-AC_DEFUN([LC_HAVE_QUOTAIO_H],
-[LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
- AC_DEFINE(HAVE_QUOTAIO_H, 1,
- [kernel has include/linux/quotaio_v2.h])
-],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
- AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
- [kernel has fs/quotaio_v1.h])
-],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
- AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
- [kernel has fs/quota/quotaio_v2.h])
+# 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait/
+# inode_dio_done instead.
+# see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
+#
+AC_DEFUN([LC_INODE_DIO_WAIT],
+[AC_MSG_CHECKING([if inode->i_alloc_sem is killed and use inode_dio_wait/done.])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
],[
- AC_MSG_RESULT([no])
-])
-])
+ inode_dio_wait((struct inode *)0);
+ inode_dio_done((struct inode *)0);
+],[
+ AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
+ [inode->i_alloc_sem is killed and use inode_dio_wait/done])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
])
])
-# sles10 sp2 need 5 parameter for vfs_symlink
-AC_DEFUN([LC_VFS_SYMLINK_5ARGS],
-[AC_MSG_CHECKING([vfs_symlink need 5 parameter])
+#
+# 3.1 adds get_acl method to inode_operations to read ACL from disk.
+# see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
+#
+AC_DEFUN([LC_IOP_GET_ACL],
+[AC_MSG_CHECKING([inode_operations has .get_acl member function])
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);
+ struct inode_operations iop;
+ iop.get_acl = NULL;
],[
- AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1,
- [vfs_symlink need 5 parameteres])
+ AC_DEFINE(HAVE_IOP_GET_ACL, 1,
+ [inode_operations has .get_acl member function])
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])
+#
+# 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/quotaops.h>
+ #include <linux/fs.h>
+ #include "$LINUX/fs/ext4/ext4_jbd2.h"
+ #include "$LINUX/fs/ext4/truncate.h"
],[
- sb_any_quota_active(NULL);
+ ext4_blocks_for_truncate(NULL);
],[
- AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
- [Kernel has a sb_any_quota_active])
- AC_MSG_RESULT([yes])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_BLOCKS_FOR_TRUNCATE, 1,
+ [kernel has ext4_blocks_for_truncate])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
])
-# 2.6.27 sles11 has sb_has_quota_active
-AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE],
-[AC_MSG_CHECKING([Kernel has sb_has_quota_active])
+#
+# 3.1 introduced generic_file_llseek_size()
+#
+AC_DEFUN([LC_FILE_LLSEEK_SIZE],
+ [LB_CHECK_SYMBOL_EXPORT([generic_file_llseek_size],
+ [fs/read_write.c],
+ [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
+ [generic_file_llseek_size is exported by the kernel])])
+])
+
+#
+# 3.2 request_queue.make_request_fn defined as function returns with void
+# see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
+#
+AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN],
+[AC_MSG_CHECKING([if request_queue.make_request_fn returns void but not int])
LB_LINUX_TRY_COMPILE([
- #include <linux/quotaops.h>
+ #include <linux/blkdev.h>
],[
- sb_has_quota_active(NULL, 0);
+ int ret;
+ make_request_fn *mrf;
+ ret = mrf(NULL, NULL);
],[
- AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1,
- [Kernel has a sb_has_quota_active])
- AC_MSG_RESULT([yes])
+ AC_MSG_RESULT([no])
],[
- AC_MSG_RESULT([no])
+ AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
+ [request_queue.make_request_fn returns void but not int])
+ AC_MSG_RESULT([yes])
])
])
-# 2.6.27 exported add_to_page_cache_lru.
-AC_DEFUN([LC_EXPORT_ADD_TO_PAGE_CACHE_LRU],
-[LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
-[mm/filemap.c],[
- AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
- [add_to_page_cache_lru functions are present])
+#
+# 3.2 protects inode->i_nlink from direct modification
+# see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
+# at the same time adds set_nlink(), so checks set_nlink() for it.
+#
+AC_DEFUN([LC_HAVE_PROTECT_I_NLINK],
+[AC_MSG_CHECKING([if inode->i_nlink is protected from direct modification])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct inode i;
+ set_nlink(&i, 1);
+],[
+ AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
+ [inode->i_nlink is protected from direct modification])
+ AC_MSG_RESULT([yes])
],[
+ AC_MSG_RESULT([no])
])
])
-# 2.6.31
-
-# 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/$LINUX_ARCH/mm/numa.c],
- [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1,
- [node_to_cpumask_map is exported by
- the kernel])]) # x86_64
- ])
+#
+# 3.3 introduces migrate_mode.h and migratepage has 4 args
+#
+AC_DEFUN([LC_HAVE_MIGRATE_HEADER],
+[LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[
+ AC_DEFINE(HAVE_MIGRATE_H, 1,
+ [kernel has include/linux/migrate.h])
+],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[
+ AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
+ [kernel has include/linux/migrate_mode.h])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+])
-# 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
-AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE],
-[AC_MSG_CHECKING([if blk_queue_logical_block_size is defined])
+AC_DEFUN([LC_MIGRATEPAGE_4ARGS],
+[AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args])
LB_LINUX_TRY_COMPILE([
- #include <linux/blkdev.h>
+ #include <linux/fs.h>
+#ifdef HAVE_MIGRATE_H
+ #include <linux/migrate.h>
+#elif defined(HAVE_MIGRATE_MODE_H)
+ #include <linux/migrate_mode.h>
+#endif
],[
- blk_queue_logical_block_size(NULL, 0);
+ struct address_space_operations aops;
+
+ aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_BLK_QUEUE_LOG_BLK_SIZE, 1,
- [blk_queue_logical_block_size is defined])
+ AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
+ [address_space_operations.migratepage has 4 args])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
])
-# 2.6.32
-
-# 2.6.32 add a limits member in struct request_queue.
-AC_DEFUN([LC_REQUEST_QUEUE_LIMITS],
-[AC_MSG_CHECKING([if request_queue has a limits field])
+#
+# 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
+# see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
+#
+AC_DEFUN([LC_SUPEROPS_USE_DENTRY],
+[AC_MSG_CHECKING([if super_operations use dentry as parameter])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
- #include <linux/blkdev.h>
+ #include <linux/fs.h>
+ int show_options(struct seq_file *seq, struct dentry *root){
+ return 0;
+ }
],[
- struct request_queue rq;
- rq.limits.io_min = 0;
+ struct super_operations ops;
+ ops.show_options = show_options;
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_REQUEST_QUEUE_LIMITS, 1,
- [request_queue has a limits field])
+ AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
+ [super_operations use dentry as parameter])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
-# 2.6.32 has bdi_register() functions.
-AC_DEFUN([LC_EXPORT_BDI_REGISTER],
-[LB_CHECK_SYMBOL_EXPORT([bdi_register],
-[mm/backing-dev.c],[
- AC_DEFINE(HAVE_BDI_REGISTER, 1,
- [bdi_register function is present])
+#
+# 3.3 switchs inode_operations to use umode_t as parameter (but not int)
+# see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
+#
+AC_DEFUN([LC_INODEOPS_USE_UMODE_T],
+[AC_MSG_CHECKING([if inode_operations use umode_t as parameter])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ #include <linux/types.h>
+ int my_mknod(struct inode *dir, struct dentry *dchild,
+ umode_t mode, dev_t dev)
+ {
+ return 0;
+ }
+],[
+ struct inode_operations ops;
+ ops.mknod = my_mknod;
+],[
+ AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
+ [inode_operations use umode_t as parameter])
+ AC_MSG_RESULT([yes])
],[
+ AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
-# 2.6.32 add s_bdi for super block
-AC_DEFUN([LC_SB_BDI],
-[AC_MSG_CHECKING([if super_block has s_bdi field])
+# 3.4 kmap_atomic removes second argument
+# see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
+#
+AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG],
+[AC_MSG_CHECKING([if kmap_atomic has only 1 argument])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/highmem.h>
],[
- struct super_block sb;
- sb.s_bdi = NULL;
+ kmap_atomic(NULL);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SB_BDI, 1,
- [super_block has s_bdi field])
+ AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
+ [have kmap_atomic has only 1 argument])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
])
-# 2.6.27.15-2 SuSE 11 sp0 kernels lack the name field for BDI
-AC_DEFUN([LC_BDI_NAME],
-[AC_MSG_CHECKING([if backing_device_info has name field])
+#
+# 3.4 switchs touch_atime to struct path
+# see kernel commit 68ac1234fb949b66941d94dce4157742799fc581
+#
+AC_DEFUN([LC_TOUCH_ATIME_1ARG],
+[AC_MSG_CHECKING([if touch_atime use one argument])
LB_LINUX_TRY_COMPILE([
- #include <linux/blkkdev.h>
+ #include <linux/fs.h>
],[
- struct backing_dev_info bdi;
- bdi.name = NULL;
+ touch_atime((struct path *)NULL);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_BDI_NAME, 1,
- [backing_device_info has name field])
+ AC_DEFINE(HAVE_TOUCH_ATIME_1ARG, 1,
+ [touch_atime use one argument])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
+])
])
-])
-# 2.6.32 removes blk_queue_max_sectors and add blk_queue_max_hw_sectors
-# check blk_queue_max_sectors and use it until disappear.
-AC_DEFUN([LC_BLK_QUEUE_MAX_SECTORS],
-[AC_MSG_CHECKING([if blk_queue_max_sectors is defined])
+#
+# 3.4 converts d_alloc_root to d_make_root
+# see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
+#
+AC_DEFUN([LC_HAVE_D_MAKE_ROOT],
+[AC_MSG_CHECKING([if have d_make_root])
LB_LINUX_TRY_COMPILE([
- #include <linux/blkdev.h>
+ #include <linux/fs.h>
],[
- blk_queue_max_sectors(NULL, 0);
+ d_make_root((struct inode *)NULL);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_BLK_QUEUE_MAX_SECTORS, 1,
- [blk_queue_max_sectors is defined])
+ AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
+ [have d_make_root])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
])
-# 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
-AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
-[AC_MSG_CHECKING([if blk_queue_max_segments is defined])
+#
+# 3.5 renames end_writeback() back to clear_inode()...
+# see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
+#
+AC_DEFUN([LC_HAVE_CLEAR_INODE],
+[AC_MSG_CHECKING([if have clear_inode])
LB_LINUX_TRY_COMPILE([
- #include <linux/blkdev.h>
+ #include <linux/fs.h>
],[
- blk_queue_max_segments(NULL, 0);
+ clear_inode((struct inode *)NULL);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
- [blk_queue_max_segments is defined])
+ AC_DEFINE(HAVE_CLEAR_INODE, 1,
+ [have clear_inode])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
])
#
-# LC_QUOTA64
-#
-# Check if kernel has been patched for 64-bit quota limits support.
-# The upstream version of this patch in RHEL6 2.6.32 kernels introduces
-# the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
-# that in the absence of quotaio_v1.h in the kernel headers.
+# 3.5 encode_fh has parent inode passed in directly
+# see kernel commit b0b0382b
#
-AC_DEFUN([LC_QUOTA64],[
- AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
+AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT],
+[AC_MSG_CHECKING([if encode_fh have parent inode as parameter])
tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-I$LINUX/fs"
- LB_LINUX_TRY_COMPILE([
- #include <linux/kernel.h>
- #include <linux/fs.h>
- #ifdef HAVE_QUOTAIO_H
- # include <linux/quotaio_v2.h>
- int versions[] = V2_INITQVERSIONS_R1;
- struct v2_disk_dqblk_r1 dqblk_r1;
- #elif defined(HAVE_FS_QUOTA_QUOTAIO_H)
- # include <quota/quotaio_v2.h>
- struct v2r1_disk_dqblk dqblk_r1;
- #elif defined(HAVE_FS_QUOTAIO_H)
- # include <quotaio_v2.h>
- struct v2r1_disk_dqblk dqblk_r1;
- #else
- #include <linux/quota.h>
- int ver = QFMT_VFS_V1;
- #endif
- ],[],[
- AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
- AC_MSG_RESULT([yes])
- ],[
- LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
- AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
- ],[])
- AC_MSG_RESULT([no])
- ])
-EXTRA_KCFLAGS=$tmp_flags
-])
-
-# 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes
-AC_DEFUN([LC_SET_CPUS_ALLOWED],
- [AC_MSG_CHECKING([if kernel defines set_cpus_allowed])
- LB_LINUX_TRY_COMPILE(
- [#include <linux/sched.h>],
- [struct task_struct *p = NULL;
- cpumask_t mask = { { 0 } };
- (void) set_cpus_allowed(p, mask);],
- [AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1,
- [set_cpus_allowed is exported by the kernel])],
- [AC_MSG_RESULT([no])] )])
-
-#
-# LC_D_OBTAIN_ALIAS
-# starting from 2.6.28 kernel replaces d_alloc_anon() with
-# d_obtain_alias() for getting anonymous dentries
-#
-AC_DEFUN([LC_D_OBTAIN_ALIAS],
-[AC_MSG_CHECKING([d_obtain_alias exist in kernel])
+EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
- #include <linux/dcache.h>
+ #include <linux/exportfs.h>
+ #include <linux/fs.h>
+ #include <linux/types.h>
+ int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
+ {
+ return 0;
+ }
],[
- d_obtain_alias(NULL);
+ struct export_operations exp_op;
+ exp_op.encode_fh = ll_encode_fh;
],[
- AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
- [d_obtain_alias exist in kernel])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
+ [have parent inode as parameter])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
-#
-# 2.6.36 super_operations add evict_inode method. it hybird of
-# delete_inode & clear_inode.
-#
-AC_DEFUN([LC_SBOPS_EVICT_INODE],
-[AC_MSG_CHECKING([if super_operations.evict_inode exist])
+# 3.5 has generic_file_llseek_size with 5 args
+AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG],
+[AC_MSG_CHECKING([if kernel has generic_file_llseek_size with 5 args])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- ((struct super_operations *)0)->evict_inode(NULL);
+ #include <linux/fs.h>
],[
- AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
- [super_operations.evict_inode() is exist in kernel])
- AC_MSG_RESULT([yes])
+ generic_file_llseek_size(NULL, 0, 0, 0, 0);
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
+ [kernel has generic_file_llseek_size with 5 args])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
])
#
-# 2.6.38 export blkdev_get_by_dev
+# 3.6 switch i_dentry/d_alias from list to hlist
#
-AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
-[LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
-[fs/block_dev.c],[
-AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
- [blkdev_get_by_dev is exported by the kernel])
+AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST],
+[AC_MSG_CHECKING([if i_dentry/d_alias uses hlist])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ #include <linux/list.h>
+],[
+ struct inode inode;
+ struct dentry dentry;
+ struct hlist_head head;
+ struct hlist_node node;
+ inode.i_dentry = head;
+ dentry.d_alias = node;
+],[
+ AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1,
+ [have i_dentry/d_alias uses hlist])
+ AC_MSG_RESULT([yes])
],[
+ AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
#
-# 2.6.39 remove unplug_fn from request_queue.
+# 3.6 dentry_open uses struct path as first argument
+# see kernel commit 765927b2
#
-AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
-[AC_MSG_CHECKING([if request_queue has unplug_fn field])
+AC_DEFUN([LC_DENTRY_OPEN_USE_PATH],
+[AC_MSG_CHECKING([if dentry_open uses struct path as first argument])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
- #include <linux/blkdev.h>
+ #include <linux/fs.h>
+ #include <linux/path.h>
],[
- struct request_queue rq;
- memset(rq.unplug_fn, 0, sizeof(rq.unplug_fn));
+ struct path path;
+ dentry_open(&path, 0, NULL);
],[
- AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
- [request_queue has unplug_fn field])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
+ [dentry_open uses struct path as first argument])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
#
-# 2.6.38 generic_permission taken 4 paremater.
-# in fact, it means rcu-walk aware permission bring.
+# 3.6 vfs adds iop->atomic_open
#
-AC_DEFUN([LC_GENERIC_PERMISSION],
-[AC_MSG_CHECKING([if generic_permission take 4 arguments])
+AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN],
+[AC_MSG_CHECKING([if iop has atomic_open])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/fs.h>
],[
- generic_permission(NULL, 0, 0, NULL);
+ struct inode_operations iop;
+ iop.atomic_open = NULL;
],[
- AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
- [generic_permission taken 4 arguments])
- AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
+ [have iop atomic_open])
+ AC_MSG_RESULT([yes])
],[
- AC_MSG_RESULT([no])
+ 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$enable_server = xyes ; then
- LC_EXPORT_INVALIDATE_MAPPING_PAGES
- fi
#2.6.18 + RHEL5 (fc6)
- LC_PG_FS_MISC
- LC_PAGE_CHECKED
LC_LINUX_FIEMAP_H
# 2.6.19
- LC_INODE_BLKSIZE
LC_FILE_WRITEV
LC_FILE_READV
LC_PROCFS_DELETED
LC_EXPORT_BDI_INIT
- #2.6.25
- LC_MAPPING_CAP_WRITEBACK_DIRTY
-
# 2.6.26
LC_FS_STRUCT_USE_PATH
# 2.6.27
+ LC_SECURITY_PLUG # for SLES10 SP2
+ LC_PGMKWRITE_USE_VMFAULT
+ LC_PGMKWRITE_COMPACT
LC_INODE_PERMISION_2ARGS
- LC_FILE_REMOVE_SUID
LC_TRYLOCKPAGE
LC_READ_INODE_IN_SBOPS
LC_EXPORT_INODE_PERMISSION
# 2.6.27.15-2 sles11
LC_BI_HW_SEGMENTS
LC_HAVE_QUOTAIO_H
- LC_VFS_SYMLINK_5ARGS
LC_BDI_NAME
LC_SB_ANY_QUOTA_ACTIVE
LC_SB_HAS_QUOTA_ACTIVE
LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
- # 2.6.30
- LC_EXPORT_CPUMASK_OF_NODE
+ # 2.6.29
+ LC_SB_ANY_QUOTA_LOADED
+
+ # 2.6.30
+ LC_EXPORT_CPUMASK_OF_NODE
# 2.6.31
LC_BLK_QUEUE_LOG_BLK_SIZE
LC_BLK_QUEUE_MAX_SECTORS
LC_BLK_QUEUE_MAX_SEGMENTS
LC_SET_CPUS_ALLOWED
+ LC_CACHE_UPCALL
+ LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
+ LC_SELINUX_IS_ENABLED
+ LC_EXPORT_ACCESS_PROCESS_VM
+ LC_VFS_INODE_NEWSIZE_OK
+
+ # 2.6.34
+ LC_HAVE_DQUOT_FS_DISK_QUOTA
+ LC_HAVE_DQUOT_SUSPEND
+
+ # 2.6.35, 3.0.0
+ LC_FILE_FSYNC
+ LC_EXPORT_SIMPLE_SETATTR
# 2.6.36
+ LC_FS_STRUCT_RWLOCK
LC_SBOPS_EVICT_INODE
+ # 2.6.37
+ LC_KERNEL_LOCKED
+
# 2.6.38
LC_BLKDEV_GET_BY_DEV
LC_GENERIC_PERMISSION
+ LC_QUOTA_ON_USE_PATH
+ LC_DCACHE_LOCK
+ LC_D_COMPARE_7ARGS
+ LC_D_DELETE_CONST
# 2.6.39
LC_REQUEST_QUEUE_UNPLUG_FN
+ LC_HAVE_FSTYPE_MOUNT
+
+ # 3.0
+ LC_DIRTY_INODE_WITH_FLAG
+
+ # 3.1
+ LC_LM_XXX_LOCK_MANAGER_OPS
+ LC_INODE_DIO_WAIT
+ LC_IOP_GET_ACL
+ LC_FILE_LLSEEK_SIZE
+
+ # 3.1.1
+ LC_BLOCKS_FOR_TRUNCATE
- #
- if test x$enable_server = xyes ; then
- AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
- LC_FUNC_DEV_SET_RDONLY
- LC_STACK_SIZE
- LC_QUOTA64
- fi
+ # 3.2
+ LC_HAVE_VOID_MAKE_REQUEST_FN
+ LC_HAVE_PROTECT_I_NLINK
+
+ # 3.3
+ LC_HAVE_MIGRATE_HEADER
+ LC_MIGRATEPAGE_4ARGS
+ LC_SUPEROPS_USE_DENTRY
+ LC_INODEOPS_USE_UMODE_T
+
+ # 3.4
+ LC_TOUCH_ATIME_1ARG
+ LC_HAVE_D_MAKE_ROOT
+ LC_KMAP_ATOMIC_HAS_1ARG
+
+ # 3.5
+ LC_HAVE_CLEAR_INODE
+ LC_HAVE_ENCODE_FH_PARENT
+ LC_FILE_LLSEEK_SIZE_5ARG
+
+ # 3.6
+ LC_HAVE_DENTRY_D_ALIAS_HLIST
+ LC_DENTRY_OPEN_USE_PATH
+ LC_HAVE_IOP_ATOMIC_OPEN
+
+ #
+ if test x$enable_server = xyes ; then
+ AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
+ 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 += $OSDMODNAME"
+ else
+ AC_MSG_RESULT([can't link])
+ OSDADDON=
+ fi
+fi
+AC_SUBST(OSDADDON)
+])
+
+#
# LC_CONFIGURE
#
# other configure checks
AC_MSG_CHECKING([whether to enable page state tracking])
AC_MSG_RESULT([$enable_pgstat_track])
if test x$enable_pgstat_track = xyes ; then
- AC_DEFINE([LUSTRE_PAGESTATE_TRACKING], 1,
+ AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
[enable page state tracking code])
fi
AM_CONDITIONAL(MPITESTS, test x$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-sles10.target
lustre/kernel_patches/targets/2.6-sles11.target
-lustre/kernel_patches/targets/2.6-oel5.target
+lustre/kernel_patches/targets/3.0-sles11.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/kernel_patches/targets/3.x-fc18.target
lustre/ldlm/Makefile
lustre/fid/Makefile
lustre/fid/autoMakefile
lustre/mdc/autoMakefile
lustre/lmv/Makefile
lustre/lmv/autoMakefile
-lustre/mds/Makefile
-lustre/mds/autoMakefile
lustre/mdt/Makefile
lustre/mdt/autoMakefile
-lustre/cmm/Makefile
-lustre/cmm/autoMakefile
lustre/mdd/Makefile
lustre/mdd/autoMakefile
lustre/fld/Makefile
lustre/obdclass/linux/Makefile
lustre/obdecho/Makefile
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/mgs/autoMakefile
+lustre/target/Makefile
lustre/ptlrpc/Makefile
lustre/ptlrpc/autoMakefile
lustre/ptlrpc/gss/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