AC_DEFUN([LC_CONFIG_SRCDIR],
[AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
libcfs_is_module=yes
+ldiskfs_is_ext4=yes
])
#
])
#
-# LC_CONFIG_EXT3
-#
-# that ext3 is enabled in the kernel
-#
-AC_DEFUN([LC_CONFIG_EXT3],
-[LB_LINUX_CONFIG([EXT3_FS],[],[
- LB_LINUX_CONFIG([EXT3_FS_MODULE],[],[$2])
-])
-LB_LINUX_CONFIG([EXT3_FS_XATTR],[$1],[$3])
-])
-
-#
-# LC_FSHOOKS
+# LC_CONFIG_OBD_BUFFER_SIZE
#
-# If we have (and can build) fshooks.h
+# the maximum buffer size of lctl ioctls
#
-AC_DEFUN([LC_FSHOOKS],
-[LB_CHECK_FILE([$LINUX/include/linux/fshooks.h],[
- AC_MSG_CHECKING([if fshooks.h can be compiled])
- LB_LINUX_TRY_COMPILE([
- #include <linux/fshooks.h>
- ],[],[
- AC_MSG_RESULT([yes])
+AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
+[AC_MSG_CHECKING([maximum OBD ioctl size])
+AC_ARG_WITH([obd-buffer-size],
+ AC_HELP_STRING([--with-obd-buffer-size=[size]],
+ [set lctl ioctl maximum bytes (default=8192)]),
+ [
+ OBD_BUFFER_SIZE=$with_obd_buffer_size
],[
- AC_MSG_RESULT([no])
- AC_MSG_WARN([You might have better luck with gcc 3.3.x.])
- AC_MSG_WARN([You can set CC=gcc33 before running configure.])
- AC_MSG_ERROR([Your compiler cannot build fshooks.h.])
+ OBD_BUFFER_SIZE=8192
])
-$1
-],[
-$2
-])
-])
-
-#
-# LC_STRUCT_KIOBUF
-#
-# rh 2.4.18 has iobuf->dovary, but other kernels do not
-#
-AC_DEFUN([LC_STRUCT_KIOBUF],
-[AC_MSG_CHECKING([if struct kiobuf has a dovary field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/iobuf.h>
-],[
- struct kiobuf iobuf;
- iobuf.dovary = 1;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_KIOBUF_DOVARY, 1, [struct kiobuf has a dovary field])
-],[
- AC_MSG_RESULT([no])
-])
+AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
+AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
])
#
-# LC_FUNC_COND_RESCHED
-#
-# cond_resched() was introduced in 2.4.20
+# LC_READLINK_SSIZE_T
#
-AC_DEFUN([LC_FUNC_COND_RESCHED],
-[AC_MSG_CHECKING([if kernel offers cond_resched])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
+AC_DEFUN([LC_READLINK_SSIZE_T],
+[AC_MSG_CHECKING([if readlink returns ssize_t])
+AC_TRY_COMPILE([
+ #include <unistd.h>
],[
- cond_resched();
+ ssize_t readlink(const char *, char *, size_t);
],[
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_COND_RESCHED, 1, [cond_resched found])
+ AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
],[
AC_MSG_RESULT([no])
])
])
#
-# LC_FUNC_ZAP_PAGE_RANGE
-#
-# if zap_page_range() takes a vma arg
-#
-AC_DEFUN([LC_FUNC_ZAP_PAGE_RANGE],
-[AC_MSG_CHECKING([if zap_page_range with vma parameter])
-ZAP_PAGE_RANGE_VMA="`grep -c 'zap_page_range.*struct vm_area_struct' $LINUX/include/linux/mm.h`"
-if test "$ZAP_PAGE_RANGE_VMA" != 0 ; then
- AC_DEFINE(ZAP_PAGE_RANGE_VMA, 1, [zap_page_range with vma parameter])
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
-fi
-])
-
-#
-# LC_FUNC_PDE
+# LC_FUNC_RELEASEPAGE_WITH_GFP
#
-# if proc_fs.h defines PDE()
+# 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_PDE],
-[AC_MSG_CHECKING([if kernel defines PDE])
-HAVE_PDE="`grep -c 'proc_dir_entry..PDE' $LINUX/include/linux/proc_fs.h`"
-if test "$HAVE_PDE" != 0 ; then
- AC_DEFINE(HAVE_PDE, 1, [the kernel defines PDE])
+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
])
-#
-# LC_FUNC_FILEMAP_FDATASYNC
-#
-# if filemap_fdatasync() exists
-#
-AC_DEFUN([LC_FUNC_FILEMAP_FDATAWRITE],
-[AC_MSG_CHECKING([whether filemap_fdatawrite() is defined])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- int (*foo)(struct address_space *)= filemap_fdatawrite;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_FILEMAP_FDATAWRITE, 1, [filemap_fdatawrite() found])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LC_FUNC_DIRECT_IO
-#
-# if direct_IO takes a struct file argument
-#
-AC_DEFUN([LC_FUNC_DIRECT_IO],
-[AC_MSG_CHECKING([if kernel passes struct file to direct_IO])
-HAVE_DIO_FILE="`grep -c 'direct_IO.*struct file' $LINUX/include/linux/fs.h`"
-if test "$HAVE_DIO_FILE" != 0 ; then
- AC_DEFINE(HAVE_DIO_FILE, 1, [the kernel passes struct file to direct_IO])
- AC_MSG_RESULT(yes)
-else
- AC_MSG_RESULT(no)
-fi
-])
-
-#
-# LC_HEADER_MM_INLINE
-#
-# RHEL kernels define page_count in mm_inline.h
-#
-AC_DEFUN([LC_HEADER_MM_INLINE],
-[AC_MSG_CHECKING([if kernel has mm_inline.h header])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mm_inline.h>
-],[
- #ifndef page_count
- #error mm_inline.h does not define page_count
- #endif
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_MM_INLINE, 1, [mm_inline found])
-],[
- AC_MSG_RESULT([no])
-])
-])
-#
-# LC_STRUCT_INODE
-#
-# if inode->i_alloc_sem exists
-#
-AC_DEFUN([LC_STRUCT_INODE],
-[AC_MSG_CHECKING([if struct inode has i_alloc_sem])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/version.h>
-],[
- #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,24))
- #error "down_read_trylock broken before 2.4.24"
- #endif
- struct inode i;
- return (char *)&i.i_alloc_sem - (char *)&i;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_I_ALLOC_SEM, 1, [struct inode has i_alloc_sem])
-],[
- AC_MSG_RESULT([no])
-])
-])
#
-# LC_FUNC_REGISTER_CACHE
+# only for Lustre-patched kernels
#
-# if register_cache() is defined by kernel
-#
-AC_DEFUN([LC_FUNC_REGISTER_CACHE],
-[AC_MSG_CHECKING([if kernel defines register_cache()])
-LB_LINUX_TRY_COMPILE([
- #include <linux/list.h>
- #include <linux/cache_def.h>
-],[
- struct cache_definition cache;
+AC_DEFUN([LC_LUSTRE_VERSION_H],
+[LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
+ rm -f "$LUSTRE/include/linux/lustre_version.h"
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_REGISTER_CACHE, 1, [register_cache found])
- AC_MSG_CHECKING([if kernel expects return from cache shrink function])
- HAVE_CACHE_RETURN_INT="`grep -c 'int.*shrink' $LINUX/include/linux/cache_def.h`"
- if test "$HAVE_CACHE_RETURN_INT" != 0 ; then
- AC_DEFINE(HAVE_CACHE_RETURN_INT, 1, [kernel expects return from shrink_cache])
- AC_MSG_RESULT(yes)
- else
- AC_MSG_RESULT(no)
+ 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
-],[
- AC_MSG_RESULT([no])
-])
])
-
-#
-# LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
-#
-# check for our patched grab_cache_page_nowait_gfp() function
-#
-AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
-[AC_MSG_CHECKING([if kernel defines grab_cache_page_nowait_gfp()])
-HAVE_GCPN_GFP="`grep -c 'grab_cache_page_nowait_gfp' $LINUX/include/linux/pagemap.h`"
-if test "$HAVE_GCPN_GFP" != 0 ; then
- AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
- [kernel has grab_cache_page_nowait_gfp()])
- AC_MSG_RESULT(yes)
-else
- AC_MSG_RESULT(no)
-fi
])
#
[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.
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
],[
- AC_MSG_RESULT([no, Linux kernel source needs to be patches by lustre
+ AC_MSG_ERROR([no, Linux kernel source needs to be patches by lustre
kernel patches from Lustre version 1.4.3 or above.])
])
])
#
-# LC_CONFIG_BACKINGFS
+# Ensure stack size big than 8k in Lustre server (all kernels)
#
-# setup, check the backing filesystem
+AC_DEFUN([LC_STACK_SIZE],
+[AC_MSG_CHECKING([stack size big than 8k])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/thread_info.h>
+],[
+ #if THREAD_SIZE < 8192
+ #error "stack size < 8192"
+ #endif
+],[
+ AC_MSG_RESULT(yes)
+],[
+ AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.])
+])
+])
+
+#
+# Allow the user to set the MDS thread upper limit
#
-AC_DEFUN([LC_CONFIG_BACKINGFS],
+AC_DEFUN([LC_MDS_MAX_THREADS],
[
-BACKINGFS="ldiskfs"
-
-if test x$with_ldiskfs = xno ; then
- BACKINGFS="ext3"
-
- if test x$linux25$enable_server = xyesyes ; then
- AC_MSG_ERROR([ldiskfs is required for 2.6-based servers.])
- fi
-
- # --- Check that ext3 and ext3 xattr are enabled in the kernel
- LC_CONFIG_EXT3([],[
- AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
- ],[
- AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel])
- AC_MSG_WARN([This build may fail.])
- ])
-else
- # ldiskfs is enabled
- LB_DEFINE_LDISKFS_OPTIONS
-fi #ldiskfs
-
-AC_MSG_CHECKING([which backing filesystem to use])
-AC_MSG_RESULT([$BACKINGFS])
-AC_SUBST(BACKINGFS)
+ 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, $MDS_THREAD_COUNT, [maximum number of mdt threads])
+ ])
])
#
])
#
+# LC_CONFIG_LIBLUSTRE_RECOVERY
+#
+AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
+[AC_MSG_CHECKING([whether to enable liblustre recovery support])
+AC_ARG_ENABLE([liblustre-recovery],
+ AC_HELP_STRING([--disable-liblustre-recovery],
+ [disable liblustre recovery support]),
+ [],[enable_liblustre_recovery='yes'])
+AC_MSG_RESULT([$enable_liblustre_recovery])
+if test x$enable_liblustre_recovery != xno ; then
+ AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
+fi
+])
+
+#
# LC_CONFIG_HEALTH_CHECK_WRITE
#
# Turn off the actual write to the disk
fi
])
-#
-# LC_CONFIG_LIBLUSTRE_RECOVERY
-#
-AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
-[AC_MSG_CHECKING([whether to enable liblustre recovery support])
-AC_ARG_ENABLE([liblustre-recovery],
- AC_HELP_STRING([--disable-liblustre-recovery],
- [disable liblustre recovery support]),
- [],[enable_liblustre_recovery='yes'])
-AC_MSG_RESULT([$enable_liblustre_recovery])
-if test x$enable_liblustre_recovery != xno ; then
- AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
+AC_DEFUN([LC_CONFIG_LRU_RESIZE],
+[AC_MSG_CHECKING([whether to enable lru self-adjusting])
+AC_ARG_ENABLE([lru_resize],
+ AC_HELP_STRING([--enable-lru-resize],
+ [enable lru resize support]),
+ [],[enable_lru_resize='yes'])
+AC_MSG_RESULT([$enable_lru_resize])
+if test x$enable_lru_resize != xno; then
+ AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
fi
])
-#
-# LC_CONFIG_OBD_BUFFER_SIZE
-#
-# the maximum buffer size of lctl ioctls
-#
-AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
-[AC_MSG_CHECKING([maximum OBD ioctl size])
-AC_ARG_WITH([obd-buffer-size],
- AC_HELP_STRING([--with-obd-buffer-size=[size]],
- [set lctl ioctl maximum bytes (default=8192)]),
- [
- OBD_BUFFER_SIZE=$with_obd_buffer_size
- ],[
- OBD_BUFFER_SIZE=8192
- ])
-AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
-AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
+# whether to enable quota support(kernel modules)
+AC_DEFUN([LC_QUOTA_MODULE],
+[if test x$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
])
-#
-# 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_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
+[LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
+[mm/truncate.c],[
+AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
+ [kernel export truncate_complete_page])
],[
- AC_MSG_RESULT([no])
])
])
-#
-# LC_READLINK_SSIZE_T
-#
-AC_DEFUN([LC_READLINK_SSIZE_T],
-[AC_MSG_CHECKING([if readlink returns ssize_t])
-AC_TRY_COMPILE([
- #include <unistd.h>
-],[
- ssize_t readlink(const char *, char *, size_t);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
+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_MSG_RESULT([no])
])
])
-AC_DEFUN([LC_FUNC_PAGE_MAPPED],
-[AC_MSG_CHECKING([if kernel offers page_mapped])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
-],[
- page_mapped(NULL);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_PAGE_MAPPED, 1, [page_mapped found])
+AC_DEFUN([LC_EXPORT_D_REHASH_COND],
+[LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
+[fs/dcache.c],[
+AC_DEFINE(HAVE_D_REHASH_COND, 1,
+ [d_rehash_cond is exported by the kernel])
],[
- AC_MSG_RESULT([no])
])
])
-AC_DEFUN([LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL],
-[AC_MSG_CHECKING([if struct file_operations has an unlocked_ioctl field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct file_operations fops;
- &fops.unlocked_ioctl;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_UNLOCKED_IOCTL, 1, [struct file_operations has an unlock ed_ioctl field])
+AC_DEFUN([LC_EXPORT___D_REHASH],
+[LB_CHECK_SYMBOL_EXPORT([__d_rehash],
+[fs/dcache.c],[
+AC_DEFINE(HAVE___D_REHASH, 1,
+ [__d_rehash is exported by the kernel])
],[
- AC_MSG_RESULT([no])
])
])
+# 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/$LINUX_ARCH/kernel/smpboot.c],
+ [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
+ [node_to_cpumask is exported by
+ the kernel])]) # i386
+ ])
+
+#
+# LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
+#
+# Check for our patched grab_cache_page_nowait_gfp() function
+# after 2.6.29 we can emulate this using add_to_page_cache_lru()
+#
+AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
+[LB_CHECK_SYMBOL_EXPORT([grab_cache_page_nowait_gfp],
+[mm/filemap.c],[
+ AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
+ [kernel exports grab_cache_page_nowait_gfp])
+ ],
+ [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
+ [mm/filemap.c],[
+ AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
+ [kernel exports add_to_page_cache_lru])
+ ],[
+ ])
+ ])
+])
+
+#
+# LC_STRUCT_STATFS
+#
+# AIX does not have statfs.f_namelen
+#
+AC_DEFUN([LC_STRUCT_STATFS],
+[AC_MSG_CHECKING([if struct statfs has a f_namelen field])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/vfs.h>
+],[
+ struct statfs sfs;
+ sfs.f_namelen = 1;
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels
+#
AC_DEFUN([LC_FILEMAP_POPULATE],
[AC_MSG_CHECKING([for exported filemap_populate])
LB_LINUX_TRY_COMPILE([
])
])
+#
+# added in 2.6.15
+#
AC_DEFUN([LC_D_ADD_UNIQUE],
[AC_MSG_CHECKING([for d_add_unique])
LB_LINUX_TRY_COMPILE([
])
])
+#
+# added in 2.6.17
+#
AC_DEFUN([LC_BIT_SPINLOCK_H],
[LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
])
#
-# LC_POSIX_ACL_XATTR
-#
-# If we have xattr_acl.h
+# After 2.6.26 we no longer have xattr_acl.h
#
AC_DEFUN([LC_XATTR_ACL],
[LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
[])
])
-AC_DEFUN([LC_STRUCT_INTENT_FILE],
-[AC_MSG_CHECKING([if struct open_intent has a file field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/namei.h>
-],[
- struct open_intent intent;
- &intent.file;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-
+#
+# After 2.6.16 the xattr_acl API is removed, and posix_acl is used instead
+#
AC_DEFUN([LC_POSIX_ACL_XATTR_H],
[LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
#include <linux/posix_acl_xattr.h>
],[],[
AC_MSG_RESULT([yes])
])
$1
],[
-AC_MSG_RESULT([no])
+ AC_MSG_RESULT([no])
])
])
-#
-# LC_EXPORT___IGET
-# starting from 2.6.19 linux kernel exports __iget()
-#
-AC_DEFUN([LC_EXPORT___IGET],
-[LB_CHECK_SYMBOL_EXPORT([__iget],
-[fs/inode.c],[
- AC_DEFINE(HAVE_EXPORT___IGET, 1, [kernel exports __iget])
+AC_DEFUN([LC_CONST_ACL_SIZE],
+[AC_MSG_CHECKING([calc acl size])
+tmp_flags="$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 $EXTRA_KCFLAGS"
+AC_TRY_RUN([
+ #define __KERNEL__
+ #include <linux/autoconf.h>
+ #include <linux/types.h>
+ #undef __KERNEL__
+ // 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>
+
+ #include <stdio.h>
+
+ int main(void)
+ {
+ int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
+ FILE *f = fopen("acl.size","w+");
+ fprintf(f,"%d", size);
+ fclose(f);
+
+ return 0;
+ }
+],[
+ acl_size=`cat acl.size`
+ 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="$tmp_flags"
])
+# added in 2.6.16
#
-# LC_EXPORT_NR_FREE_BUFFER_PAGES
-# starting from 2.6.23 linux kernel exports nr_free_buffer_pages()
-#
-AC_DEFUN([LC_EXPORT_NR_FREE_BUFFER_PAGES],
-[LB_CHECK_SYMBOL_EXPORT([nr_free_buffer_pages],
-[mm/page_alloc.c],[
- AC_DEFINE(HAVE_EXPORT_NR_FREE_BUFFER_PAGES, 1, [kernel exports nr_free_buffer_pages])
+AC_DEFUN([LC_STRUCT_INTENT_FILE],
+[AC_MSG_CHECKING([if struct open_intent has a file field])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ #include <linux/namei.h>
],[
- if test x$enable_server = xyes ; then
- AC_MSG_ERROR([lustre server needs this symbol to be exported.])
- fi
-])
-])
-
-
-AC_DEFUN([LC_LUSTRE_VERSION_H],
-[LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
- rm -f "$LUSTRE/include/linux/lustre_version.h"
+ struct open_intent intent;
+ &intent.file;
],[
- 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
-])
-])
-
-AC_DEFUN([LC_FUNC_SET_FS_PWD],
-[LB_CHECK_SYMBOL_EXPORT([set_fs_pwd],
-[fs/namespace.c],[
- AC_DEFINE(HAVE_SET_FS_PWD, 1, [set_fs_pwd is exported])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
],[
+ AC_MSG_RESULT([no])
])
])
])
])
-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])
-])
+#
+# LC_CONFIG_RMTCLIENT
+#
+dnl FIXME
+dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
+dnl FIXME
+AC_DEFUN([LC_CONFIG_RMTCLIENT],
+[LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
+ AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
])
-
-AC_DEFUN([LC_CONFIG_SUNRPC],
-[LB_LINUX_CONFIG_IM([SUNRPC],[],
- [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
- LC_SUNRPC_CACHE
])
#
#
AC_DEFUN([LC_CONFIG_GSS_KEYRING],
[AC_MSG_CHECKING([whether to enable gss keyring backend])
- AC_ARG_ENABLE([gss_keyring],
- [AC_HELP_STRING([--disable-gss-keyring],
+ AC_ARG_ENABLE([gss_keyring],
+ [AC_HELP_STRING([--disable-gss-keyring],
[disable gss keyring backend])],
- [],[enable_gss_keyring='yes'])
+ [],[enable_gss_keyring='yes'])
AC_MSG_RESULT([$enable_gss_keyring])
if test x$enable_gss_keyring != xno; then
- LB_LINUX_CONFIG_IM([KEYS],[],
+ LB_LINUX_CONFIG_IM([KEYS],[],
[AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
- AC_CHECK_LIB([keyutils], [keyctl_search], [],
+ AC_CHECK_LIB([keyutils], [keyctl_search], [],
[AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
- AC_DEFINE([HAVE_GSS_KEYRING], [1],
+ AC_DEFINE([HAVE_GSS_KEYRING], [1],
[Define this if you enable gss keyring backend])
fi
])
-m4_pattern_allow(AC_KERBEROS_V5)
+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
+])
#
# LC_CONFIG_GSS (default disabled)
#
AC_DEFUN([LC_CONFIG_GSS],
[AC_MSG_CHECKING([whether to enable gss/krb5 support])
- AC_ARG_ENABLE([gss],
+ AC_ARG_ENABLE([gss],
[AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
[],[enable_gss='no'])
AC_MSG_RESULT([$enable_gss])
if test x$enable_gss == xyes; then
- LC_CONFIG_GSS_KEYRING
+ LC_CONFIG_GSS_KEYRING
LC_CONFIG_SUNRPC
+ AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
+
LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
[AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
- LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
+ LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
[AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
- LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
+ LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
[AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
- LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
+ LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
[AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
- LB_LINUX_CONFIG_IM([CRYPTO_WP512],[],
- [AC_MSG_WARN([kernel WP512 support is recommended by using GSS.])])
- LB_LINUX_CONFIG_IM([CRYPTO_ARC4],[],
- [AC_MSG_WARN([kernel ARC4 support is recommended by using GSS.])])
- LB_LINUX_CONFIG_IM([CRYPTO_DES],[],
- [AC_MSG_WARN([kernel DES support is recommended by using GSS.])])
- LB_LINUX_CONFIG_IM([CRYPTO_TWOFISH],[],
- [AC_MSG_WARN([kernel TWOFISH support is recommended by using GSS.])])
- LB_LINUX_CONFIG_IM([CRYPTO_CAST6],[],
- [AC_MSG_WARN([kernel CAST6 support is recommended by using GSS.])])
- dnl FIXME
- dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
- dnl FIXME
- LB_LINUX_CONFIG_IM([CRYPTO_AES],[],
- [AC_MSG_WARN([kernel AES support is recommended by using GSS.])])
-
- AC_CHECK_LIB([gssapi], [gss_init_sec_context],
+
+ AC_CHECK_LIB([gssapi], [gss_init_sec_context],
[GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
[AC_CHECK_LIB([gssglue], [gss_init_sec_context],
[GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
[AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
- AC_SUBST(GSSAPI_LIBS)
+ AC_SUBST(GSSAPI_LIBS)
- AC_KERBEROS_V5
+ AC_KERBEROS_V5
fi
])
-# LC_FUNC_MS_FLOCK_LOCK
-#
-# SLES9 kernel has MS_FLOCK_LOCK sb flag
-#
-AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
-[AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- int flags = MS_FLOCK_LOCK;
-],[
- AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
- [kernel has MS_FLOCK_LOCK flag])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
#
# LC_FUNC_HAVE_CAN_SLEEP_ARG
#
-# SLES9 kernel has third arg can_sleep
-# in fs/locks.c: flock_lock_file_wait()
+# 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()])
])
])
-#
-# LC_TASK_PPTR
-#
-# task struct has p_pptr instead of parent
-#
-AC_DEFUN([LC_TASK_PPTR],
-[AC_MSG_CHECKING([task p_pptr found])
+AC_DEFUN([LC_QUOTA_READ],
+[AC_MSG_CHECKING([if kernel supports quota_read])
LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
+ #include <linux/fs.h>
],[
- struct task_struct *p;
-
- p = p->p_pptr;
+ struct super_operations sp;
+ void *i = (void *)sp.quota_read;
],[
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_TASK_PPTR, 1, [task p_pptr found])
+ AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
],[
AC_MSG_RESULT([no])
])
])
#
-# LC_FUNC_F_OP_FLOCK
+# LC_COOKIE_FOLLOW_LINK
#
-# rhel4.2 kernel has f_op->flock field
+# kernel 2.6.13+ ->follow_link returns a cookie
#
-AC_DEFUN([LC_FUNC_F_OP_FLOCK],
-[AC_MSG_CHECKING([if struct file_operations has flock field])
+
+AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
+[AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
+ #include <linux/namei.h>
],[
- struct file_operations ll_file_operations_flock;
- ll_file_operations_flock.flock = NULL;
+ struct dentry dentry;
+ struct nameidata nd;
+
+ dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
],[
- AC_DEFINE(HAVE_F_OP_FLOCK, 1,
- [struct file_operations has flock field])
+ AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
])
-# 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([use inode have i_mutex ])
+#
+# LC_FUNC_RCU
+#
+# kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
+# call_rcu takes three parameters.
+#
+AC_DEFUN([LC_FUNC_RCU],
+[AC_MSG_CHECKING([if kernel have RCU supported])
LB_LINUX_TRY_COMPILE([
- #include <linux/mutex.h>
- #include <linux/fs.h>
- #undef i_mutex
-],[
- struct inode i;
+ #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])
+ ])
- mutex_unlock(&i.i_mutex);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
- [after 2.6.15 inode have i_mutex intead of i_sem])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT([no])
])
])
-# LC_SYMVERFILE
-# SLES 9 uses a different name for this file - unsure about vanilla kernels
-# around this version, but it matters for servers only.
-AC_DEFUN([LC_SYMVERFILE],
- [AC_MSG_CHECKING([name of symverfile])
- if grep -q Modules.symvers $LINUX/scripts/Makefile.modpost ; then
- SYMVERFILE=Modules.symvers
- else
- SYMVERFILE=Module.symvers
- fi
- AC_MSG_RESULT($SYMVERFILE)
- AC_SUBST(SYMVERFILE)])
-
-# LC_DQUOTOFF_MUTEX
-# after 2.6.17 dquote use mutex instead if semaphore
-AC_DEFUN([LC_DQUOTOFF_MUTEX],
-[AC_MSG_CHECKING([use dqonoff_mutex])
+AC_DEFUN([LC_PERCPU_COUNTER],
+[AC_MSG_CHECKING([if have struct percpu_counter defined])
LB_LINUX_TRY_COMPILE([
- #include <linux/mutex.h>
- #include <linux/fs.h>
- #include <linux/quota.h>
-],[
- struct quota_info dq;
+ #include <linux/percpu_counter.h>
+],[],[
+ AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found])
+ AC_MSG_RESULT([yes])
- mutex_unlock(&dq.dqonoff_mutex);
-],[
+ AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/percpu_counter.h>
+ ],[
+ struct percpu_counter c;
+ percpu_counter_init(&c, 0);
+ ],[
+ AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two
+ arguments])
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+AC_DEFUN([LC_TASK_CLENV_STORE],
+[
+ AC_MSG_CHECKING([if we can store cl_env in task_struct])
+ if test x$have_task_clenv_store != xyes ; then
+ LC_TASK_CLENV_TUX_INFO
+ fi
+])
+
+# ~2.6.11
+
+AC_DEFUN([LC_S_TIME_GRAN],
+[AC_MSG_CHECKING([if super block has s_time_gran member])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct super_block sb;
+
+ return sb.s_time_gran;
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+AC_DEFUN([LC_SB_TIME_GRAN],
+[AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ return get_sb_time_gran(NULL);
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+# 2.6.12
+
+# ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
+AC_DEFUN([LC_RW_TREE_LOCK],
+[AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
+tmp_flags="$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
+
+# LC_INODE_I_MUTEX
+# after 2.6.15 inode have i_mutex intead of i_sem
+AC_DEFUN([LC_INODE_I_MUTEX],
+[AC_MSG_CHECKING([if inode has i_mutex ])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mutex.h>
+ #include <linux/fs.h>
+ #undef i_mutex
+],[
+ struct inode i;
+
+ mutex_unlock(&i.i_mutex);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
+ [after 2.6.15 inode have i_mutex intead of i_sem])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+# 2.6.16
+
+# LC_SECURITY_PLUG # for SLES10 SP2
+# check security plug in sles10 sp2 kernel
+AC_DEFUN([LC_SECURITY_PLUG],
+[AC_MSG_CHECKING([If kernel has security plug support])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct dentry *dentry;
+ struct vfsmount *mnt;
+ struct iattr *iattr;
+
+ notify_change(dentry, mnt, iattr);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SECURITY_PLUG, 1,
+ [SLES10 SP2 use extra parameter in vfs])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+# 2.6.17
+
+# inode have i_private field since 2.6.17
+AC_DEFUN([LC_INODE_IPRIVATE],
+[AC_MSG_CHECKING([if inode has a i_private field])
+LB_LINUX_TRY_COMPILE([
+#include <linux/fs.h>
+],[
+ struct inode i;
+ i.i_private = NULL;
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_INODE_IPRIVATE, 1,
+ [struct inode has i_private field])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+# LC_DQUOTOFF_MUTEX
+# after 2.6.17 dquote use mutex instead if semaphore
+AC_DEFUN([LC_DQUOTOFF_MUTEX],
+[AC_MSG_CHECKING([use dqonoff_mutex])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mutex.h>
+ #include <linux/fs.h>
+ #include <linux/quota.h>
+],[
+ struct quota_info dq;
+
+ mutex_unlock(&dq.dqonoff_mutex);
+],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
[after 2.6.17 dquote use mutex instead if semaphore])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT(no)
])
])
-
+
+# 2.6.18
+
+# LC_NR_PAGECACHE
+# 2.6.18 don't export nr_pagecahe
+AC_DEFUN([LC_NR_PAGECACHE],
+[AC_MSG_CHECKING([kernel export nr_pagecache])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/pagemap.h>
+],[
+ return atomic_read(&nr_pagecache);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_NR_PAGECACHE, 1,
+ [is kernel export nr_pagecache])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
#
# LC_STATFS_DENTRY_PARAM
# starting from 2.6.18 linux kernel uses dentry instead of
])
])
-#
+#
# LC_INVALIDATEPAGE_RETURN_INT
-# more 2.6 api changes. return type for the invalidatepage
-# address_space_operation is 'void' in new kernels but 'int' in old
+# 2.6.17 changes return type for invalidatepage to 'void' from 'int'
#
AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
[AC_MSG_CHECKING([invalidatepage has return int])
AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
[Define if return type of invalidatepage should be int])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT(no)
])
])
# LC_UMOUNTBEGIN_HAS_VFSMOUNT
-# more 2.6 API changes. 2.6.18 umount_begin has different parameters
+# 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"
AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
[Define umount_begin need second argument])
],[
- 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])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/seq_file.h>
+],[
+ struct seq_file seq;
+
+ mutex_unlock(&seq.lock);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SEQ_LOCK, 1,
+ [after 2.6.18 seq_file has lock intead of sem])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+#
+# LC_EXPORT_FILEMAP_FDATAWRITE_RANGE
+#
+# No standard kernels export this
+#
+AC_DEFUN([LC_EXPORT_FILEMAP_FDATAWRITE_RANGE],
+[LB_CHECK_SYMBOL_EXPORT([filemap_fdatawrite_range],
+[mm/filemap.c],[
+AC_DEFINE(HAVE_FILEMAP_FDATAWRITE_RANGE, 1,
+ [filemap_fdatawrite_range is exported by the kernel])
+],[
+])
+])
+
+# LC_FLUSH_OWNER_ID
+# starting from 2.6.18 the file_operations .flush
+# method has a new "fl_owner_t id" parameter
+#
+AC_DEFUN([LC_FLUSH_OWNER_ID],
+[AC_MSG_CHECKING([if file_operations .flush has an fl_owner_t id])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct file_operations *fops = NULL;
+ fl_owner_t id;
+ int i;
+
+ i = fops->flush(NULL, id);
+],[
+ AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1,
+ [file_operations .flush method has an fl_owner_t id])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# LC_EXPORT_INVALIDATE_MAPPING_PAGES
+#
+# SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but
+# SLES10 2.6.16 does not, for some reason. For filter cache invalidation.
+#
+AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES],
+ [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [
+ AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1,
+ [exported invalidate_mapping_pages])],
+ [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [
+ AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1,
+ [exported invalidate_inode_pages])], [
+ AC_MSG_ERROR([no way to invalidate pages])
+ ])
+ ],[])
+])
+
+#2.6.18 + RHEL5 (fc6)
+
+# RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
+AC_DEFUN([LC_PG_FS_MISC],
+[AC_MSG_CHECKING([kernel has PG_fs_misc])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+ #include <linux/page-flags.h>
+],[
+ #ifndef PG_fs_misc
+ #error PG_fs_misc not defined in kernel
+ #endif
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_PG_FS_MISC, 1,
+ [is kernel have PG_fs_misc])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+# RHEL5 PageChecked and SetPageChecked defined
+AC_DEFUN([LC_PAGE_CHECKED],
+[AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/autoconf.h>
+#ifdef HAVE_LINUX_MMTYPES_H
+ #include <linux/mm_types.h>
+#endif
+ #include <linux/page-flags.h>
+],[
+ struct page *p;
+
+ /* before 2.6.26 this define*/
+ #ifndef PageChecked
+ /* 2.6.26 use function instead of define for it */
+ SetPageChecked(p);
+ PageChecked(p);
+ #endif
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_PAGE_CHECKED, 1,
+ [does kernel have PageChecked and SetPageChecked])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+#
+# LC_LINUX_FIEMAP_H
+#
+# If we have fiemap.h
+# after 2.6.27 use fiemap.h in include/linux
+#
+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
+
# 2.6.19 API changes
# inode don't have i_blksize field
AC_DEFUN([LC_INODE_BLKSIZE],
#include <linux/fs.h>
],[
struct inode i;
- i.i_blksize = 0;
+ i.i_blksize = 0;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
[struct inode has i_blksize field])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT(no)
])
])
AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
[if vfs_readdir need 64bit inode number])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT(no)
])
EXTRA_KCFLAGS="$tmp_flags"
])
-# LC_GENERIC_FILE_WRITE
-# 2.6.19 introduce do_sync_write instead of
-# generic_file_write
-AC_DEFUN([LC_GENERIC_FILE_WRITE],
-[AC_MSG_CHECKING([use generic_file_write])
+# 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>
],[
- int result = generic_file_read(NULL, NULL, 0, 0);
+ struct file_operations *fops = NULL;
+ fops->writev = NULL;
],[
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GENERIC_FILE_WRITE, 1,
- [use generic_file_write])
+ AC_DEFINE(HAVE_FILE_WRITEV, 1,
+ [use fops->writev])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT(no)
])
])
-# LC_GENERIC_FILE_READ
-# 2.6.19 need to use do_sync_read instead of
-# generic_file_read
-AC_DEFUN([LC_GENERIC_FILE_READ],
-[AC_MSG_CHECKING([use generic_file_read])
+# 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>
],[
- int result = generic_file_read(NULL, NULL, 0, 0);
+ struct file_operations *fops = NULL;
+ fops->readv = NULL;
],[
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_GENERIC_FILE_READ, 1,
- [use generic_file_read])
+ AC_DEFINE(HAVE_FILE_READV, 1,
+ [use fops->readv])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT(no)
])
])
-# LC_NR_PAGECACHE
-# 2.6.18 don't export nr_pagecahe
-AC_DEFUN([LC_NR_PAGECACHE],
-[AC_MSG_CHECKING([kernel export nr_pagecache])
-LB_LINUX_TRY_COMPILE([
- #include <linux/pagemap.h>
-],[
- return atomic_read(&nr_pagecache);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_NR_PAGECACHE, 1,
- [is kernel export nr_pagecache])
-],[
- AC_MSG_RESULT(NO)
-])
-])
+# 2.6.20
# LC_CANCEL_DIRTY_PAGE
-# 2.6.20 introduse cancel_dirty_page instead of
-# clear_page_dirty.
+# 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])
-LB_LINUX_TRY_COMPILE([
- #include <linux/page-flags.h>
+ [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);
+ cancel_dirty_page(NULL, 0);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
- [kernel has cancel_dirty_page instead of clear_page_dirty])
+ 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
])
+# raid5-zerocopy patch
+
#
# LC_PAGE_CONSTANT
#
AC_DEFUN([LC_PAGE_CONSTANT],
[AC_MSG_CHECKING([if kernel have PageConstant defined])
LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
#include <linux/page-flags.h>
],[
#ifndef PG_constant
])
])
-# 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])
+# 2.6.22
+
+# 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/page-flags.h>
+ #include <linux/buffer_head.h>
],[
- #ifndef PG_fs_misc
- #error PG_fs_misc not defined in kernel
- #endif
+ invalidate_bdev(NULL,0);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_PG_FS_MISC, 1,
- [is kernel have PG_fs_misc])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
+ [invalidate_bdev has second argument])
],[
- 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])
+#
+# 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/page-flags.h>
+ #include <linux/err.h>
+ #include <linux/crypto.h>
],[
- #ifndef PageChecked
- #error PageChecked not defined in kernel
- #endif
- #ifndef SetPageChecked
- #error SetPageChecked not defined in kernel
+ struct crypto_blkcipher *tfm;
+ tfm = crypto_alloc_blkcipher("aes", 0, 0 );
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# check for struct hash_desc
+#
+AC_DEFUN([LC_STRUCT_HASH_DESC],
+[AC_MSG_CHECKING([if kernel has struct hash_desc])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/err.h>
+ #include <linux/crypto.h>
+],[
+ struct hash_desc foo;
+],[
+ 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])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/err.h>
+ #include <linux/crypto.h>
+],[
+ struct blkcipher_desc foo;
+],[
+ 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])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ int 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 = 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 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/fs.h>
+],[
+ struct file_operations file;
+
+ file.splice_read = NULL;
+], [
+ 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])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct file_operations file;
+
+ file.sendfile = NULL;
+], [
+ 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])
+],[
+ 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])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+],[
+ 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])
+])
+])
+
+# 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])
+],[
+ 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])
+],[
+])
+])
+
+# 2.6.24
+
+# 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])
+],[
+ 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>
+],[
+ 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])
+])
+])
+
+# 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([
+#ifdef HAVE_LINUX_EXPORTFS_H
+ #include <linux/exportfs.h>
+#else
+ #include <linux/fs.h>
+#endif
+],[
+ struct export_operations exp;
+
+ exp.fh_to_dentry = NULL;
+], [
+ 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])
+])
+])
+
+# 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/proc_fs.h>
+],[
+ struct proc_dir_entry pde;
+
+ pde.deleted = NULL;
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PROCFS_DELETED, 1,
+ [kernel has deleted member in procfs entry struct])
+],[
+ 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])
+],[
+])
+])
+
+# 2.6.25
+
+# 2.6.25 change define to inline
+AC_DEFUN([LC_MAPPING_CAP_WRITEBACK_DIRTY],
+[AC_MSG_CHECKING([if kernel have mapping_cap_writeback_dirty])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/backing-dev.h>
+],[
+ #ifndef mapping_cap_writeback_dirty
+ mapping_cap_writeback_dirty(NULL);
#endif
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_PAGE_CHECKED, 1,
- [does kernel have PageChecked and SetPageChecked])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_MAPPING_CAP_WRITEBACK_DIRTY, 1,
+ [kernel have mapping_cap_writeback_dirty])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT([no])
])
])
-AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
-[LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
-[mm/truncate.c],[
-AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
- [kernel export truncate_complete_page])
+# 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 path path;
+ struct fs_struct fs;
+
+ fs.pwd = path;
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
+ [fs_struct use path structure])
],[
+ AC_MSG_RESULT([no])
])
])
-AC_DEFUN([LC_EXPORT_D_REHASH_COND],
-[LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
-[fs/dcache.c],[
-AC_DEFINE(HAVE_D_REHASH_COND, 1,
- [d_rehash_cond is exported by the kernel])
+# 2.6.27
+
+AC_DEFUN([LC_INODE_PERMISION_2ARGS],
+[AC_MSG_CHECKING([inode_operations->permission has two args])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct inode *inode;
+
+ inode->i_op->permission(NULL,0);
+],[
+ AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
+ [inode_operations->permission has two args])
+ AC_MSG_RESULT([yes])
],[
+ AC_MSG_RESULT([no])
])
])
-AC_DEFUN([LC_EXPORT___D_REHASH],
-[LB_CHECK_SYMBOL_EXPORT([__d_rehash],
-[fs/dcache.c],[
-AC_DEFINE(HAVE___D_REHASH, 1,
- [__d_rehash is exported by the kernel])
+# 2.6.27 has file_remove_suid instead of remove_suid
+AC_DEFUN([LC_FILE_REMOVE_SUID],
+[AC_MSG_CHECKING([kernel has file_remove_suid])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
],[
+ file_remove_suid(NULL);
+],[
+ AC_DEFINE(HAVE_FILE_REMOVE_SUID, 1,
+ [kernel have file_remove_suid])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
])
])
-AC_DEFUN([LC_EXPORT_D_MOVE_LOCKED],
-[LB_CHECK_SYMBOL_EXPORT([d_move_locked],
-[fs/dcache.c],[
-AC_DEFINE(HAVE_D_MOVE_LOCKED, 1,
- [d_move_locked is exported by the kernel])
+# 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/pagemap.h>
+],[
+ trylock_page(NULL);
+],[
+ AC_DEFINE(HAVE_TRYLOCK_PAGE, 1,
+ [kernel uses trylock_page for page lock])
+ AC_MSG_RESULT([yes])
],[
+ AC_MSG_RESULT([no])
])
])
-AC_DEFUN([LC_EXPORT___D_MOVE],
-[LB_CHECK_SYMBOL_EXPORT([__d_move],
-[fs/dcache.c],[
-AC_DEFINE(HAVE___D_MOVE, 1,
- [__d_move is exported by the kernel])
+# 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>
+],[
+ 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_MSG_RESULT([no])
])
])
-# 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
- ])
+# 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])
+],[
+])
+])
-# 2.6.22 lost second parameter for invalidate_bdev
-AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
-[AC_MSG_CHECKING([if invalidate_bdev has second argument])
+# 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/buffer_head.h>
+ #include <linux/quota.h>
],[
- invalidate_bdev(NULL,0);
+ struct quotactl_ops *qop;
+ 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_INVALIDATE_BDEV_2ARG, 1,
- [invalidate_bdev has second argument])
],[
AC_MSG_RESULT([no])
])
])
-# 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 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/quota.h>
+],[
+ struct quotactl_ops *qop;
+ 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])
+])
+])
+
+# 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_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 = 0;
+],[
+ AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
+ [struct bio has a bi_hw_segments field])
+ AC_MSG_RESULT([yes])
+],[
+ 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([$LINUX/fs/quota/quotaio_v2.h],[
+ AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
+ [kernel has fs/quota/quotaio_v2.h])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+])
+])
+
+# sles10 sp2 need 5 parameter for vfs_symlink
+AC_DEFUN([LC_VFS_SYMLINK_5ARGS],
+[AC_MSG_CHECKING([vfs_symlink need 5 parameter])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- int i = unregister_blkdev(0,NULL);
+ struct inode *dir = NULL;
+ struct dentry *dentry = NULL;
+ struct vfsmount *mnt = NULL;
+ const char * path = NULL;
+ vfs_symlink(dir, dentry, mnt, path, 0);
],[
+ AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1,
+ [vfs_symlink need 5 parameteres])
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
- [unregister_blkdev return int])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.23 change .sendfile to .splice_read
-AC_DEFUN([LC_KERNEL_SPLICE_READ],
-[AC_MSG_CHECKING([if kernel has .splice_read])
+# 2.6.27 sles11 has sb_any_quota_active
+AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
+[AC_MSG_CHECKING([Kernel has sb_any_quota_active])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/quotaops.h>
],[
- struct file_operations file;
-
- file.splice_read = NULL;
-], [
+ sb_any_quota_active(NULL);
+],[
+ AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
+ [Kernel has a sb_any_quota_active])
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
- [kernel has .slice_read])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.23 extract nfs export related data into exportfs.h
-AC_DEFUN([LC_HAVE_EXPORTFS_H],
-[
-tmpfl="$CFLAGS"
-CFLAGS="$CFLAGS -I$LINUX_OBJ/include"
-AC_CHECK_HEADERS([linux/exportfs.h])
-CFLAGS="$tmpfl"
-])
-
-#
-# LC_VFS_INTENT_PATCHES
-#
-# check if the kernel has the VFS intent patches
-AC_DEFUN([LC_VFS_INTENT_PATCHES],
-[AC_MSG_CHECKING([if the kernel has the VFS intent patches])
+# 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/fs.h>
- #include <linux/namei.h>
+ #include <linux/quotaops.h>
],[
- struct nameidata nd;
- struct lookup_intent *it;
-
- it = &nd.intent;
- intent_init(it, IT_OPEN);
- it->d.lustre.it_disposition = 0;
- it->d.lustre.it_data = NULL;
+ 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_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied])
],[
AC_MSG_RESULT([no])
])
])
-AC_DEFUN([LC_S_TIME_GRAN],
-[AC_MSG_CHECKING([if super block has s_time_gran member])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+# 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])
],[
- struct super_block sb;
+])
+])
- return sb.s_time_gran;
+# 2.6.31
+
+# 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>
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
+ blk_queue_logical_block_size(NULL, 0);
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_BLK_QUEUE_LOG_BLK_SIZE, 1,
+ [blk_queue_logical_block_size is defined])
+],[
+ AC_MSG_RESULT(no)
])
])
-AC_DEFUN([LC_SB_TIME_GRAN],
-[AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
+# 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])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/blkdev.h>
],[
- return get_sb_time_gran(NULL);
+ struct request_queue rq;
+ rq.limits.io_min = 0;
],[
- 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_REQUEST_QUEUE_LIMITS, 1,
+ [request_queue has a limits field])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT(no)
])
])
+# 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])
+],[
+])
+])
-# ~2.6.12 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"
+# 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>
],[
- struct address_space a;
-
- write_lock(&a.tree_lock);
+ struct super_block sb;
+ sb.s_bdi = NULL;
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SB_BDI, 1,
+ [super_block has s_bdi field])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT(no)
])
-EXTRA_KCFLAGS="$tmp_flags"
])
-AC_DEFUN([LC_CONST_ACL_SIZE],
-[AC_MSG_CHECKING([calc acl size])
-tmp_flags="$CFLAGS"
-CFLAGS="$CFLAGS -I $LINUX_OBJ/include $EXTRA_KCFLAGS"
-AC_TRY_RUN([
-#define __KERNEL__
-#include <linux/autoconf.h>
-#include <linux/types.h>
-#undef __KERNEL__
-// 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 <linux/lustre_acl.h>
-
-#include <stdio.h>
-
-int main(void)
-{
- int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
- FILE *f = fopen("acl.size","w+");
- fprintf(f,"%d", size);
- fclose(f);
-
- return 0;
-}
-
+# 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>
],[
- acl_size=`cat acl.size`
- AC_MSG_RESULT([ACL size $acl_size])
- AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
+ blk_queue_max_sectors(NULL, 0);
],[
- AC_ERROR([ACL size can't computed])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_BLK_QUEUE_MAX_SECTORS, 1,
+ [blk_queue_max_sectors is defined])
+],[
+ AC_MSG_RESULT(no)
])
-CFLAGS="$tmp_flags"
])
-#
-# check for crypto API
-#
-AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
-[AC_MSG_CHECKING([if kernel has block cipher support])
+# 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
+AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
+[AC_MSG_CHECKING([if blk_queue_max_segments is defined])
LB_LINUX_TRY_COMPILE([
- #include <linux/crypto.h>
+ #include <linux/blkdev.h>
],[
- int v = CRYPTO_ALG_TYPE_BLKCIPHER;
+ blk_queue_max_segments(NULL, 0);
],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
+ [blk_queue_max_segments is defined])
],[
- AC_MSG_RESULT([no])
+ AC_MSG_RESULT(no)
])
])
#
-# check for FS_RENAME_DOES_D_MOVE flag
+# LC_QUOTA64
#
-AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
-[AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
+# Check if kernel has been patched for 64-bit quota limits support.
+# The upstream version of this patch in RHEL6 2.6.32 kernels introduces
+# the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
+# that in the absence of quotaio_v1.h in the kernel headers.
+#
+AC_DEFUN([LC_QUOTA64],[
+ AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
+tmp_flags="$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=$tmp_flags
+])
+
+#
+# LC_D_OBTAIN_ALIAS
+# starting from 2.6.28 kernel replaces d_alloc_anon() with
+# d_obtain_alias() for getting anonymous dentries
+#
+AC_DEFUN([LC_D_OBTAIN_ALIAS],
+[AC_MSG_CHECKING([d_obtain_alias exist in kernel])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
+ #include <linux/dcache.h>
],[
- int v = FS_RENAME_DOES_D_MOVE;
+ d_obtain_alias(NULL);
],[
+ AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
+ [d_obtain_alias exist in kernel])
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
],[
AC_MSG_RESULT([no])
])
])
+
#
# LC_PROG_LINUX
#
#
AC_DEFUN([LC_PROG_LINUX],
[LC_LUSTRE_VERSION_H
- if test x$enable_server = xyes ; then
- AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
- LC_CONFIG_BACKINGFS
- fi
LC_CONFIG_PINGER
LC_CONFIG_CHECKSUM
LC_CONFIG_LIBLUSTRE_RECOVERY
- LC_CONFIG_QUOTA
LC_CONFIG_HEALTH_CHECK_WRITE
LC_CONFIG_LRU_RESIZE
+ LC_QUOTA_MODULE
+ LC_LLITE_LLOOP_MODULE
- LC_TASK_PPTR
# RHEL4 patches
LC_EXPORT_TRUNCATE_COMPLETE
+ LC_EXPORT_TRUNCATE_RANGE
LC_EXPORT_D_REHASH_COND
LC_EXPORT___D_REHASH
- LC_EXPORT_D_MOVE_LOCKED
- LC_EXPORT___D_MOVE
LC_EXPORT_NODE_TO_CPUMASK
- LC_STRUCT_KIOBUF
- LC_FUNC_COND_RESCHED
- LC_FUNC_ZAP_PAGE_RANGE
- LC_FUNC_PDE
- LC_FUNC_DIRECT_IO
- LC_HEADER_MM_INLINE
- LC_STRUCT_INODE
- LC_FUNC_REGISTER_CACHE
LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
- LC_FUNC_DEV_SET_RDONLY
- LC_FUNC_FILEMAP_FDATAWRITE
LC_STRUCT_STATFS
- LC_FUNC_PAGE_MAPPED
- LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL
LC_FILEMAP_POPULATE
LC_D_ADD_UNIQUE
LC_BIT_SPINLOCK_H
LC_STRUCT_INTENT_FILE
- LC_FUNC_SET_FS_PWD
LC_CAPA_CRYPTO
+ LC_CONFIG_RMTCLIENT
LC_CONFIG_GSS
- LC_FUNC_MS_FLOCK_LOCK
LC_FUNC_HAVE_CAN_SLEEP_ARG
LC_FUNC_F_OP_FLOCK
LC_QUOTA_READ
LC_COOKIE_FOLLOW_LINK
LC_FUNC_RCU
-
- # does the kernel have VFS intent patches?
- LC_VFS_INTENT_PATCHES
+ LC_PERCPU_COUNTER
+ LC_TASK_CLENV_STORE
# ~2.6.11
LC_S_TIME_GRAN
# 2.6.12
LC_RW_TREE_LOCK
+ LC_EXPORT_SYNCHRONIZE_RCU
# 2.6.15
LC_INODE_I_MUTEX
- # SLES 10 (at least)
- LC_SYMVERFILE
+ # 2.6.16
+ LC_SECURITY_PLUG # for SLES10 SP2
# 2.6.17
+ LC_INODE_IPRIVATE
LC_DQUOTOFF_MUTEX
# 2.6.18
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$enable_server = xyes ; then
+ LC_EXPORT_INVALIDATE_MAPPING_PAGES
+ fi
#2.6.18 + RHEL5 (fc6)
LC_PG_FS_MISC
LC_PAGE_CHECKED
+ LC_LINUX_FIEMAP_H
# 2.6.19
LC_INODE_BLKSIZE
LC_VFS_READDIR_U64_INO
- LC_GENERIC_FILE_READ
- LC_GENERIC_FILE_WRITE
+ LC_FILE_WRITEV
+ LC_FILE_READV
# 2.6.20
LC_CANCEL_DIRTY_PAGE
# raid5-zerocopy patch
LC_PAGE_CONSTANT
-
+
# 2.6.22
LC_INVALIDATE_BDEV_2ARG
LC_ASYNC_BLOCK_CIPHER
+ LC_STRUCT_HASH_DESC
+ LC_STRUCT_BLKCIPHER_DESC
LC_FS_RENAME_DOES_D_MOVE
+
# 2.6.23
LC_UNREGISTER_BLKDEV_RETURN_INT
LC_KERNEL_SPLICE_READ
+ LC_KERNEL_SENDFILE
LC_HAVE_EXPORTFS_H
- LC_EXPORT_NR_FREE_BUFFER_PAGES
+ LC_VM_OP_FAULT
+ LC_PROCFS_USERS
+ LC_EXPORTFS_DECODE_FH
+
+ # 2.6.24
+ LC_HAVE_MMTYPES_H
+ LC_BIO_ENDIO_2ARG
+ LC_FH_TO_DENTRY
+ LC_PROCFS_DELETED
+ LC_EXPORT_BDI_INIT
+
+ #2.6.25
+ LC_MAPPING_CAP_WRITEBACK_DIRTY
+
+ # 2.6.26
+ LC_FS_STRUCT_USE_PATH
+
+ # 2.6.27
+ LC_INODE_PERMISION_2ARGS
+ LC_FILE_REMOVE_SUID
+ LC_TRYLOCKPAGE
+ LC_READ_INODE_IN_SBOPS
+ LC_EXPORT_INODE_PERMISSION
+ LC_QUOTA_ON_5ARGS
+ LC_QUOTA_OFF_3ARGS
+ LC_VFS_DQ_OFF
+ LC_LOCK_MAP_ACQUIRE
+
+ # 2.6.27.15-2 sles11
+ LC_BI_HW_SEGMENTS
+ LC_HAVE_QUOTAIO_H
+ LC_VFS_SYMLINK_5ARGS
+ LC_SB_ANY_QUOTA_ACTIVE
+ LC_SB_HAS_QUOTA_ACTIVE
+ LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
+
+ # 2.6.31
+ LC_BLK_QUEUE_LOG_BLK_SIZE
+
+ # 2.6.32
+ LC_REQUEST_QUEUE_LIMITS
+ LC_EXPORT_BDI_REGISTER
+ LC_SB_BDI
+ LC_BLK_QUEUE_MAX_SECTORS
+ LC_BLK_QUEUE_MAX_SEGMENTS
+
+ #
+ if test x$enable_server = xyes ; then
+ AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
+ LC_FUNC_DEV_SET_RDONLY
+ LC_STACK_SIZE
+ LC_QUOTA64
+ fi
])
#
AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
fi
-AC_MSG_CHECKING([whether to build mpitests])
-AC_ARG_ENABLE([mpitests],
- AC_HELP_STRING([--enable-mpitests],
- [build liblustre mpi tests]),
- [],[enable_mpitests=no])
-AC_MSG_RESULT([$enable_mpitests])
+# 2.6.29 change prepare/commit_write to write_begin/end
+AC_DEFUN([LC_WRITE_BEGIN_END],
+[AC_MSG_CHECKING([if kernel has .write_begin/end])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ #include <linux/pagemap.h>
+#ifdef HAVE_LINUX_MMTYPES_H
+ #include <linux/mm_types.h>
+#endif
+],[
+ struct address_space_operations aops;
+ struct page *page;
+
+ aops.write_begin = NULL;
+ aops.write_end = NULL;
+ page = grab_cache_page_write_begin(NULL, 0, 0);
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_KERNEL_WRITE_BEGIN_END, 1,
+ [kernel has .write_begin/end])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+# 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])
+])
+])
+
+# 2.6.29 dentry_open has 4 arguments
+AC_DEFUN([LC_DENTRY_OPEN_4ARGS],
+[AC_MSG_CHECKING([dentry_open needs 4 parameters])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ dentry_open(NULL, NULL, 0, NULL);
+],[
+ AC_DEFINE(HAVE_DENTRY_OPEN_4ARGS, 1,
+ [dentry_open needs 4 paramters])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+# 2.6.29 split file and anonymous page queues
+AC_DEFUN([LC_PAGEVEC_LRU_ADD_FILE],
+[AC_MSG_CHECKING([if kernel has .pagevec_lru_add_file])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+ #include <linux/pagevec.h>
+],[
+ struct pagevec lru_pagevec;
+
+ pagevec_init(&lru_pagevec, 0);
+ pagevec_lru_add_file(&lru_pagevec);
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PAGEVEC_LRU_ADD_FILE, 1,
+ [kernel has .pagevec_lru_add_file])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# --enable-mpitest
+#
+AC_ARG_ENABLE(mpitests,
+ AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
+ [include mpi tests]),
+ [
+ enable_mpitests=yes
+ case $enableval in
+ yes)
+ MPICC_WRAPPER=mpicc
+ ;;
+ no)
+ enable_mpitests=no
+ ;;
+ *)
+ MPICC_WRAPPER=$enableval
+ ;;
+ esac
+ ],
+ [
+ MPICC_WRAPPER=mpicc
+ enable_mpitests=yes
+ ]
+)
+
+if test x$enable_mpitests != xno; then
+ AC_MSG_CHECKING([whether mpitests can be built])
+ oldcc=$CC
+ CC=$MPICC_WRAPPER
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <mpi.h>
+ ]],[[
+ int flag;
+ MPI_Initialized(&flag);
+ ]])],
+ [
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+ enable_mpitests=no
+ ])
+ CC=$oldcc
+fi
+AC_SUBST(MPICC_WRAPPER)
AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
LC_CONFIG_LIBLUSTRE_RECOVERY
])
-AC_DEFUN([LC_CONFIG_LRU_RESIZE],
-[AC_MSG_CHECKING([whether to enable lru self-adjusting])
-AC_ARG_ENABLE([lru_resize],
- AC_HELP_STRING([--enable-lru-resize],
- [enable lru resize support]),
- [],[enable_lru_resize='yes'])
-AC_MSG_RESULT([$enable_lru_resize])
-if test x$enable_lru_resize != xno; then
- AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
-fi
-])
-
#
# LC_CONFIG_QUOTA
#
-# whether to enable quota support
+# whether to enable quota support global control
#
AC_DEFUN([LC_CONFIG_QUOTA],
-[AC_MSG_CHECKING([whether to disable quota support])
-AC_ARG_ENABLE([quota],
- AC_HELP_STRING([--disable-quota],
- [disable quota support]),
+[AC_ARG_ENABLE([quota],
+ AC_HELP_STRING([--enable-quota],
+ [enable quota support]),
[],[enable_quota='yes'])
-AC_MSG_RESULT([$enable_quota])
-if test x$linux25 != xyes; then
- enable_quota='no'
-fi
-if test x$enable_quota != xno; then
- AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
-fi
])
-
+
+AC_DEFUN([LC_QUOTA],
+[#check global
+LC_CONFIG_QUOTA
+#check for utils
+AC_CHECK_HEADER(sys/quota.h,
+ [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
+ [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
+])
+
#
# LC_CONFIG_SPLIT
#
#
AC_DEFUN([LC_CONFIG_SPLIT],
[AC_MSG_CHECKING([whether to enable split support])
-AC_ARG_ENABLE([split],
+AC_ARG_ENABLE([split],
AC_HELP_STRING([--enable-split],
[enable split support]),
[],[enable_split='no'])
AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
fi
])
-
-AC_DEFUN([LC_QUOTA_READ],
-[AC_MSG_CHECKING([if kernel supports quota_read])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct super_operations sp;
- void *i = (void *)sp.quota_read;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LC_COOKIE_FOLLOW_LINK
-#
-# kernel 2.6.13+ ->follow_link returns a cookie
-#
-AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
-[AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
+AC_DEFUN([LC_TASK_CLENV_TUX_INFO],
+[AC_MSG_CHECKING([tux_info])
LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/namei.h>
+ #include <linux/sched.h>
],[
- struct dentry dentry;
- struct nameidata nd;
-
- dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
+ struct task_struct task;
+ &task.tux_info;
],[
- AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
AC_MSG_RESULT([yes])
+ AC_DEFINE(LL_TASK_CL_ENV, tux_info, [have tux_info])
+ have_task_clenv_store='yes'
],[
AC_MSG_RESULT([no])
])
])
#
-# LC_FUNC_RCU
-#
-# kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
-# call_rcu takes three parameters.
+# LC_LLITE_LLOOP_MODULE
+# lloop_llite.ko does not currently work with page sizes
+# of 64k or larger.
#
-AC_DEFUN([LC_FUNC_RCU],
-[AC_MSG_CHECKING([if kernel have RCU supported])
+AC_DEFUN([LC_LLITE_LLOOP_MODULE],
+[AC_MSG_CHECKING([whether to enable llite_lloop module])
LB_LINUX_TRY_COMPILE([
- #include <linux/rcupdate.h>
-],[],[
- AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
+ #include <asm/page.h>
+],[
+ #if PAGE_SIZE >= 65536
+ #error "PAGE_SIZE >= 65536"
+ #endif
+],[
+ enable_llite_lloop_module='yes'
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])
- ])
],[
+ enable_llite_lloop_module='no'
AC_MSG_RESULT([no])
])
])
AC_DEFUN([LC_CONFIGURE],
[LC_CONFIG_OBD_BUFFER_SIZE
-# include/liblustre.h
-AC_CHECK_HEADERS([asm/page.h sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
+if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
+ CFLAGS="$CFLAGS -Werror"
+fi
+
+# maximum MDS thread count
+LC_MDS_MAX_THREADS
-# include/lustre/lustre_user.h
-# See note there re: __ASM_X86_64_PROCESSOR_H
-AC_CHECK_HEADERS([linux/fs.h linux/quota.h])
+# include/liblustre.h
+AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
# liblustre/llite_lib.h
AC_CHECK_HEADERS([xtio.h file.h])
AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
fi
+AC_ARG_ENABLE([invariants],
+ AC_HELP_STRING([--enable-invariants],
+ [enable invariant checking (cpu intensive)]),
+ [],[])
+AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
+AC_MSG_RESULT([$enable_invariants])
+if test x$enable_invariants = xyes ; then
+ AC_DEFINE([INVARIANT_CHECK], 1, [enable invariant checking])
+fi
+
+AC_ARG_ENABLE([lu_ref],
+ AC_HELP_STRING([--enable-lu_ref],
+ [enable lu_ref reference tracking code]),
+ [],[])
+AC_MSG_CHECKING([whether to track references with lu_ref])
+AC_MSG_RESULT([$enable_lu_ref])
+if test x$enable_lu_ref = xyes ; then
+ AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
+fi
+
+AC_ARG_ENABLE([pgstate-track],
+ AC_HELP_STRING([--enable-pgstate-track],
+ [enable page state tracking]),
+ [enable_pgstat_track='yes'],[])
+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,
+ [enable page state tracking code])
+fi
+
+ #2.6.29
+ LC_WRITE_BEGIN_END
+ LC_D_OBTAIN_ALIAS
+ LC_BLKDEV_PUT_2ARGS
+ LC_DENTRY_OPEN_4ARGS
+ LC_PAGEVEC_LRU_ADD_FILE
+
])
#
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 = 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)
AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
+AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
])
#
lustre/Makefile
lustre/autoMakefile
lustre/autoconf/Makefile
+lustre/conf/Makefile
lustre/contrib/Makefile
lustre/doc/Makefile
lustre/include/Makefile
lustre/include/lustre_ver.h
lustre/include/linux/Makefile
lustre/include/lustre/Makefile
-lustre/kernel_patches/targets/2.6-vanilla.target
-lustre/kernel_patches/targets/2.6-rhel4.target
+lustre/kernel_patches/targets/2.6-rhel6.target
lustre/kernel_patches/targets/2.6-rhel5.target
-lustre/kernel_patches/targets/2.6-fc5.target
-lustre/kernel_patches/targets/2.6-patchless.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/2.6-fc11.target
+lustre/kernel_patches/targets/2.6-fc12.target
lustre/ldlm/Makefile
lustre/fid/Makefile
lustre/fid/autoMakefile
lustre/liblustre/Makefile
lustre/liblustre/tests/Makefile
+lustre/liblustre/tests/mpi/Makefile
lustre/llite/Makefile
lustre/llite/autoMakefile
+lustre/lclient/Makefile
lustre/lov/Makefile
lustre/lov/autoMakefile
lustre/lvfs/Makefile
lustre/osc/autoMakefile
lustre/ost/Makefile
lustre/ost/autoMakefile
-lustre/osd/Makefile
-lustre/osd/autoMakefile
+lustre/osd-ldiskfs/Makefile
+lustre/osd-ldiskfs/autoMakefile
lustre/mgc/Makefile
lustre/mgc/autoMakefile
lustre/mgs/Makefile
lustre/quota/Makefile
lustre/quota/autoMakefile
lustre/scripts/Makefile
-lustre/scripts/version_tag.pl
lustre/tests/Makefile
+lustre/tests/mpi/Makefile
lustre/utils/Makefile
lustre/utils/gss/Makefile
+lustre/obdclass/darwin/Makefile
])
-case $lb_target_os in
- darwin)
- AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])
- ;;
-esac
-
])
git://git.whamcloud.com / fs / lustre-release.git / blobdiff