lustre/autoconf/lustre-core.m4

   1 #
   2 # LC_CONFIG_SRCDIR
   3 #
   4 # Wrapper for AC_CONFIG_SUBDIR
   5 #
   6 AC_DEFUN([LC_CONFIG_SRCDIR],
   7 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
   8 libcfs_is_module=yes
   9 ldiskfs_is_ext4=yes
  10 ])
  11
  12 #
  13 # LC_PATH_DEFAULTS
  14 #
  15 # lustre specific paths
  16 #
  17 AC_DEFUN([LC_PATH_DEFAULTS],
  18 [# ptlrpc kernel build requires this
  19 LUSTRE="$PWD/lustre"
  20 AC_SUBST(LUSTRE)
  21
  22 # mount.lustre
  23 rootsbindir='$(CROSS_PATH)/sbin'
  24 AC_SUBST(rootsbindir)
  25
  26 demodir='$(docdir)/demo'
  27 AC_SUBST(demodir)
  28
  29 pkgexampledir='${pkgdatadir}/examples'
  30 AC_SUBST(pkgexampledir)
  31 ])
  32
  33 #
  34 # LC_TARGET_SUPPORTED
  35 #
  36 # is the target os supported?
  37 #
  38 AC_DEFUN([LC_TARGET_SUPPORTED],
  39 [case $target_os in
  40         linux* | darwin*)
  41 $1
  42                 ;;
  43         *)
  44 $2
  45                 ;;
  46 esac
  47 ])
  48
  49 #
  50 # LC_CONFIG_OBD_BUFFER_SIZE
  51 #
  52 # the maximum buffer size of lctl ioctls
  53 #
  54 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
  55 [AC_MSG_CHECKING([maximum OBD ioctl size])
  56 AC_ARG_WITH([obd-buffer-size],
  57         AC_HELP_STRING([--with-obd-buffer-size=[size]],
  58                         [set lctl ioctl maximum bytes (default=8192)]),
  59         [
  60                 OBD_BUFFER_SIZE=$with_obd_buffer_size
  61         ],[
  62                 OBD_BUFFER_SIZE=8192
  63         ])
  64 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
  65 AC_DEFINE_UNQUOTED(CONFIG_LUSTRE_OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
  66 ])
  67
  68 #
  69 # LC_READLINK_SSIZE_T
  70 #
  71 AC_DEFUN([LC_READLINK_SSIZE_T],
  72 [AC_MSG_CHECKING([if readlink returns ssize_t])
  73 AC_TRY_COMPILE([
  74         #include <unistd.h>
  75 ],[
  76         ssize_t readlink(const char *, char *, size_t);
  77 ],[
  78         AC_MSG_RESULT([yes])
  79         AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
  80 ],[
  81         AC_MSG_RESULT([no])
  82 ])
  83 ])
  84
  85 #
  86 # LC_FUNC_DEV_SET_RDONLY
  87 #
  88 # check whether dev_set_rdonly is exported.  This is needed until we
  89 # have another mechanism to fence IO from the underlying device.
  90 #
  91 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
  92 [LB_CHECK_SYMBOL_EXPORT([dev_set_rdonly],
  93 [block/ll_rw_block.c,block/blk-core.c],[
  94         AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel exports dev_set_rdonly])
  95 ],[
  96         AC_MSG_WARN([kernel missing dev_set_rdonly patch for testing])
  97 ])
  98 ])
  99
 100 #
 101 # Ensure stack size big than 8k in Lustre server (all kernels)
 102 #
 103 AC_DEFUN([LC_STACK_SIZE],
 104 [AC_MSG_CHECKING([stack size big than 8k])
 105 LB_LINUX_TRY_COMPILE([
 106         #include <linux/thread_info.h>
 107 ],[
 108         #if THREAD_SIZE < 8192
 109         #error "stack size < 8192"
 110         #endif
 111 ],[
 112         AC_MSG_RESULT(yes)
 113 ],[
 114         AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.])
 115 ])
 116 ])
 117
 118 #
 119 # Allow the user to set the MDS thread upper limit
 120 #
 121 AC_DEFUN([LC_MDS_MAX_THREADS],
 122 [
 123         AC_ARG_WITH([mds_max_threads],
 124         AC_HELP_STRING([--with-mds-max-threads=count],
 125                        [maximum threads available on the MDS: (default=512)]),
 126         [
 127                 MDS_THREAD_COUNT=$with_mds_max_threads
 128                 AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $MDS_THREAD_COUNT, [maximum number of MDS threads])
 129         ])
 130 ])
 131
 132 #
 133 # LC_CONFIG_PINGER
 134 #
 135 # the pinger is temporary, until we have the recovery node in place
 136 #
 137 AC_DEFUN([LC_CONFIG_PINGER],
 138 [AC_MSG_CHECKING([whether to enable pinger support])
 139 AC_ARG_ENABLE([pinger],
 140         AC_HELP_STRING([--disable-pinger],
 141                         [disable recovery pinger support]),
 142         [],[enable_pinger='yes'])
 143 AC_MSG_RESULT([$enable_pinger])
 144 if test x$enable_pinger != xno ; then
 145   AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
 146 fi
 147 ])
 148
 149 #
 150 # LC_CONFIG_CHECKSUM
 151 #
 152 # do checksum of bulk data between client and OST
 153 #
 154 AC_DEFUN([LC_CONFIG_CHECKSUM],
 155 [AC_MSG_CHECKING([whether to enable data checksum support])
 156 AC_ARG_ENABLE([checksum],
 157        AC_HELP_STRING([--disable-checksum],
 158                        [disable data checksum support]),
 159        [],[enable_checksum='yes'])
 160 AC_MSG_RESULT([$enable_checksum])
 161 if test x$enable_checksum != xno ; then
 162   AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums)
 163 fi
 164 ])
 165
 166 #
 167 # LC_CONFIG_LIBLUSTRE_RECOVERY
 168 #
 169 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
 170 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
 171 AC_ARG_ENABLE([liblustre-recovery],
 172         AC_HELP_STRING([--disable-liblustre-recovery],
 173                         [disable liblustre recovery support]),
 174         [],[enable_liblustre_recovery='yes'])
 175 AC_MSG_RESULT([$enable_liblustre_recovery])
 176 if test x$enable_liblustre_recovery != xno ; then
 177   AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
 178 fi
 179 ])
 180
 181 #
 182 # LC_CONFIG_HEALTH_CHECK_WRITE
 183 #
 184 # Turn off the actual write to the disk
 185 #
 186 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE],
 187 [AC_MSG_CHECKING([whether to enable a write with the health check])
 188 AC_ARG_ENABLE([health_write],
 189         AC_HELP_STRING([--enable-health_write],
 190                         [enable disk writes when doing health check]),
 191         [],[enable_health_write='no'])
 192 AC_MSG_RESULT([$enable_health_write])
 193 if test x$enable_health_write != xno ; then
 194   AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, Write when Checking Health)
 195 fi
 196 ])
 197
 198 AC_DEFUN([LC_CONFIG_LRU_RESIZE],
 199 [AC_MSG_CHECKING([whether to enable lru self-adjusting])
 200 AC_ARG_ENABLE([lru_resize],
 201         AC_HELP_STRING([--enable-lru-resize],
 202                         [enable lru resize support]),
 203         [],[enable_lru_resize='yes'])
 204 AC_MSG_RESULT([$enable_lru_resize])
 205 if test x$enable_lru_resize != xno; then
 206    AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
 207 fi
 208 ])
 209
 210 #
 211 # Quota support. The kernel must support CONFIG_QUOTA.
 212 #
 213 AC_DEFUN([LC_QUOTA_CONFIG],
 214 [LB_LINUX_CONFIG_IM([QUOTA],[],[
 215         AC_MSG_ERROR([Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.])
 216         ])
 217 ])
 218
 219 # truncate_complete_page() has never been exported from an upstream kernel
 220 # remove_from_page_cache() was exported between 2.6.35 and 2.6.38
 221 # delete_from_page_cache() is exported from 2.6.39
 222 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE_PAGE],
 223          [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
 224                                  [mm/truncate.c],
 225                                  [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
 226                                             [kernel export truncate_complete_page])])
 227           LB_CHECK_SYMBOL_EXPORT([remove_from_page_cache],
 228                                  [mm/filemap.c],
 229                                  [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
 230                                             [kernel export remove_from_page_cache])])
 231           LB_CHECK_SYMBOL_EXPORT([delete_from_page_cache],
 232                                  [mm/filemap.c],
 233                                  [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
 234                                             [kernel export delete_from_page_cache])])
 235          ])
 236
 237 #
 238 # LC_CAPA_CRYPTO
 239 #
 240 AC_DEFUN([LC_CAPA_CRYPTO],
 241 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
 242         AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
 243 ])
 244 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
 245         AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
 246 ])
 247 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
 248         AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
 249 ])
 250 ])
 251
 252 #
 253 # LC_CONFIG_RMTCLIENT
 254 #
 255 dnl FIXME
 256 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
 257 dnl FIXME
 258 AC_DEFUN([LC_CONFIG_RMTCLIENT],
 259 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
 260         AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
 261 ])
 262 ])
 263
 264 #
 265 # LC_CONFIG_GSS_KEYRING (default 'auto', tests for dependencies, if found, enables; only called if gss is enabled)
 266 #
 267 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
 268 [AC_MSG_CHECKING([whether to enable gss keyring backend])
 269  AC_ARG_ENABLE([gss_keyring],
 270                [AC_HELP_STRING([--disable-gss-keyring],
 271                                [disable gss keyring backend])],
 272                [],[enable_gss_keyring='auto'])
 273  AC_MSG_RESULT([$enable_gss_keyring])
 274
 275  if test x$enable_gss_keyring != xno; then
 276         LB_LINUX_CONFIG_IM([KEYS],[],
 277                            [gss_keyring_conf_test='fail';
 278                             AC_MSG_WARN([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
 279
 280         AC_CHECK_LIB([keyutils], [keyctl_search], [],
 281                      [gss_keyring_conf_test='fail';
 282                       AC_MSG_WARN([libkeyutils is not found, which is required by gss keyring backend])],)
 283
 284         if test x$gss_keyring_conf_test != xfail; then
 285                 AC_DEFINE([HAVE_GSS_KEYRING], [1], [Define this if you enable gss keyring backend])
 286                 enable_gss_keyring='yes'
 287         else
 288                 if test x$enable_gss_keyring == xyes; then
 289                         AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
 290                 else
 291                         AC_MSG_WARN([Cannot enable gss keyring.  See above for details.])
 292                 fi
 293         fi
 294  fi
 295 ])
 296
 297 AC_DEFUN([LC_CONFIG_SUNRPC],
 298 [LB_LINUX_CONFIG_IM([SUNRPC],[],
 299                     [if test x$sunrpc_required == xyes; then
 300                          AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])
 301                      fi])
 302 ])
 303
 304 #
 305 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
 306 #
 307 # Build gss and related tools of Lustre. Currently both kernel and user space
 308 # parts are depend on linux platform.
 309 #
 310 AC_DEFUN([LC_CONFIG_GSS],
 311 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
 312  AC_ARG_ENABLE([gss],
 313                [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
 314                [],[enable_gss='auto'])
 315  AC_MSG_RESULT([$enable_gss])
 316
 317  if test x$enable_gss != xno; then
 318         LC_CONFIG_GSS_KEYRING
 319         sunrpc_required=$enable_gss
 320         LC_CONFIG_SUNRPC
 321         sunrpc_required=no
 322
 323         LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
 324                            [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
 325         LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
 326                            [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
 327         LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
 328                            [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
 329         LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
 330                            [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
 331
 332         require_krb5=$enable_gss
 333         AC_KERBEROS_V5
 334         require_krb5=no
 335
 336         if test x$KRBDIR != x; then
 337                 AC_CHECK_LIB([gssapi], [gss_export_lucid_sec_context],
 338                              [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi";
 339                               gss_conf_test='success'],
 340                              [AC_CHECK_LIB([gssglue], [gss_export_lucid_sec_context],
 341                                            [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue";
 342                                             gss_conf_test='success'],
 343                                            [if test x$enable_gss == xyes; then
 344                                                 AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])
 345                                             else
 346                                                 AC_MSG_WARN([libgssapi or libgssglue is not found, which is required by GSS.])
 347                                             fi])],)
 348                 AC_SUBST(GSSAPI_LIBS)
 349         fi
 350
 351         if test x$gss_conf_test == xsuccess; then
 352                 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
 353                 enable_gss='yes'
 354         fi
 355
 356  fi
 357 ])
 358
 359 # 2.6.24
 360
 361 # 2.6.24 has bio_endio with 2 args
 362 AC_DEFUN([LC_BIO_ENDIO_2ARG],
 363 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
 364 LB_LINUX_TRY_COMPILE([
 365         #include <linux/bio.h>
 366 ],[
 367         bio_endio(NULL, 0);
 368 ], [
 369         AC_MSG_RESULT([yes])
 370         AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
 371                 [kernel has bio_endio with 2 args])
 372 ],[
 373         AC_MSG_RESULT([no])
 374 ])
 375 ])
 376
 377 # 2.6.24 removes long aged procfs entry -> deleted member
 378 AC_DEFUN([LC_PROCFS_DELETED],
 379 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
 380 LB_LINUX_TRY_COMPILE([
 381         #include <linux/proc_fs.h>
 382 ],[
 383         struct proc_dir_entry pde;
 384
 385         pde.deleted = sizeof(pde);
 386 ], [
 387         AC_MSG_RESULT([yes])
 388         AC_DEFINE(HAVE_PROCFS_DELETED, 1,
 389                 [kernel has deleted member in procfs entry struct])
 390 ],[
 391         AC_MSG_RESULT([no])
 392 ])
 393 ])
 394
 395 #
 396 # 2.6.27
 397 #
 398
 399 # up to v2.6.27 had a 3 arg version (inode, mask, nameidata)
 400 # v2.6.27->v2.6.37 had a 2 arg version (inode, mask)
 401 # v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata)
 402 # v3.1 onward have a 2 arg version (inode, mask)
 403 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
 404 [AC_MSG_CHECKING([inode_operations->permission has two args])
 405 LB_LINUX_TRY_COMPILE([
 406         #include <linux/fs.h>
 407 ],[
 408         struct inode *inode __attribute__ ((unused));
 409
 410         inode = NULL;
 411         inode->i_op->permission(NULL, 0);
 412 ],[
 413         AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
 414                   [inode_operations->permission has two args])
 415         AC_MSG_RESULT([yes])
 416 ],[
 417         AC_MSG_RESULT([no])
 418 ])
 419 ])
 420
 421 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
 422 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA],
 423 tmp_flags="$EXTRA_KCFLAGS"
 424 EXTRA_KCFLAGS="-Werror"
 425 [AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct fs_disk_quota])
 426 LB_LINUX_TRY_COMPILE([
 427         #include <linux/fs.h>
 428         #include <linux/quota.h>
 429 ],[
 430         struct quotactl_ops qops = {};
 431         struct fs_disk_quota fdq;
 432         qops.set_dqblk(NULL, 0, 0, &fdq);
 433 ],[
 434         AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota])
 435         AC_MSG_RESULT([yes])
 436 ],[
 437         AC_MSG_RESULT([no])
 438 ])
 439 EXTRA_KCFLAGS="$tmp_flags"
 440 ])
 441
 442 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
 443 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND],
 444 [AC_MSG_CHECKING([if dquot_suspend is defined])
 445 LB_LINUX_TRY_COMPILE([
 446         #include <linux/quotaops.h>
 447 ],[
 448         dquot_suspend(NULL, -1);
 449 ],[
 450         AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
 451         AC_MSG_RESULT([yes])
 452 ],[
 453         AC_MSG_RESULT([no])
 454 ])
 455 ])
 456
 457 #
 458 # 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
 459 # 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
 460 AC_DEFUN([LC_HAVE_QUOTAIO_H],
 461 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
 462         AC_DEFINE(HAVE_QUOTAIO_H, 1,
 463                 [kernel has include/linux/quotaio_v2.h])
 464 ],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
 465                AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
 466                 [kernel has fs/quotaio_v1.h])
 467 ],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
 468                AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
 469                 [kernel has fs/quota/quotaio_v2.h])
 470 ],[
 471         AC_MSG_RESULT([no])
 472 ])
 473 ])
 474 ])
 475 ])
 476
 477 # 2.6.32
 478
 479 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
 480 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
 481 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
 482 LB_LINUX_TRY_COMPILE([
 483         #include <linux/blkdev.h>
 484 ],[
 485         blk_queue_max_segments(NULL, 0);
 486 ],[
 487         AC_MSG_RESULT(yes)
 488         AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
 489                   [blk_queue_max_segments is defined])
 490 ],[
 491         AC_MSG_RESULT(no)
 492 ])
 493 ])
 494
 495 #
 496 # LC_QUOTA64
 497 #
 498 # Check if kernel has been patched for 64-bit quota limits support.
 499 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
 500 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
 501 # that in the absence of quotaio_v1.h in the kernel headers.
 502 #
 503 AC_DEFUN([LC_QUOTA64],[
 504         AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
 505 tmp_flags="$EXTRA_KCFLAGS"
 506 EXTRA_KCFLAGS="-I$LINUX/fs"
 507         LB_LINUX_TRY_COMPILE([
 508                 #include <linux/kernel.h>
 509                 #include <linux/fs.h>
 510                 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
 511                 # include <quota/quotaio_v2.h>
 512                 struct v2r1_disk_dqblk dqblk_r1;
 513                 #else
 514                 #include <linux/quota.h>
 515                 int ver = QFMT_VFS_V1;
 516                 #endif
 517         ],[],[
 518                 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
 519                 AC_MSG_RESULT([yes])
 520         ],[
 521                 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
 522                         AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
 523                 ],[])
 524                 AC_MSG_RESULT([no])
 525         ])
 526 EXTRA_KCFLAGS=$tmp_flags
 527 ])
 528
 529 #
 530 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
 531 #
 532 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
 533 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
 534 LB_LINUX_TRY_COMPILE([
 535         #include <asm/atomic.h>
 536         #include <linux/spinlock.h>
 537         #include <linux/fs_struct.h>
 538 ],[
 539         ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
 540 ],[
 541         AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
 542                   [fs_struct.lock use rwlock])
 543         AC_MSG_RESULT([yes])
 544 ],[
 545         AC_MSG_RESULT([no])
 546 ])
 547 ])
 548
 549 #
 550 # 2.6.36 super_operations add evict_inode method. it hybird of
 551 # delete_inode & clear_inode.
 552 #
 553 AC_DEFUN([LC_SBOPS_EVICT_INODE],
 554 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
 555 LB_LINUX_TRY_COMPILE([
 556         #include <linux/fs.h>
 557 ],[
 558         ((struct super_operations *)0)->evict_inode(NULL);
 559 ],[
 560         AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
 561                 [super_operations.evict_inode() is exist in kernel])
 562         AC_MSG_RESULT([yes])
 563 ],[
 564         AC_MSG_RESULT([no])
 565 ])
 566 ])
 567
 568 #
 569 # 2.6.35 file_operations.fsync taken 2 arguments.
 570 # 3.0.0 file_operations.fsync takes 4 arguments.
 571 #
 572 AC_DEFUN([LC_FILE_FSYNC],
 573 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
 574 LB_LINUX_TRY_COMPILE([
 575         #include <linux/fs.h>
 576 ],[
 577         ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
 578 ],[
 579         AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
 580                 [file_operations.fsync takes 4 arguments])
 581         AC_MSG_RESULT([yes, 4 args])
 582 ],[
 583         LB_LINUX_TRY_COMPILE([
 584                 #include <linux/fs.h>
 585         ],[
 586            ((struct file_operations *)0)->fsync(NULL, 0);
 587         ],[
 588                 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
 589                         [file_operations.fsync takes 2 arguments])
 590                 AC_MSG_RESULT([yes, 2 args])
 591         ],[
 592                 AC_MSG_RESULT([no])
 593         ])
 594 ])
 595 ])
 596
 597 #
 598 # 2.6.37 remove kernel_locked
 599 #
 600 AC_DEFUN([LC_KERNEL_LOCKED],
 601 [AC_MSG_CHECKING([if kernel_locked is defined])
 602 LB_LINUX_TRY_COMPILE([
 603         #include <linux/smp_lock.h>
 604 ],[
 605         kernel_locked();
 606 ],[
 607         AC_MSG_RESULT([yes])
 608         AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
 609                 [kernel_locked is defined])
 610 ],[
 611         AC_MSG_RESULT([no])
 612 ])
 613 ])
 614
 615 #
 616 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
 617 #
 618 AC_DEFUN([LC_D_COMPARE_7ARGS],
 619 [AC_MSG_CHECKING([if d_compare taken 7 arguments])
 620 LB_LINUX_TRY_COMPILE([
 621         #include <linux/dcache.h>
 622 ],[
 623         ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
 624 ],[
 625         AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
 626                 [d_compare need 7 arguments])
 627         AC_MSG_RESULT([yes])
 628 ],[
 629         AC_MSG_RESULT([no])
 630 ])
 631 ])
 632
 633 #
 634 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
 635 #
 636 AC_DEFUN([LC_D_DELETE_CONST],
 637 [AC_MSG_CHECKING([if d_delete has const declare on first parameter])
 638 tmp_flags="$EXTRA_KCFLAGS"
 639 EXTRA_KCFLAGS="-Werror"
 640 LB_LINUX_TRY_COMPILE([
 641         #include <linux/dcache.h>
 642 ],[
 643         const struct dentry *d = NULL;
 644         ((struct dentry_operations*)0)->d_delete(d);
 645 ],[
 646         AC_DEFINE(HAVE_D_DELETE_CONST, const,
 647                 [d_delete first parameter declared const])
 648         AC_MSG_RESULT([yes])
 649 ],[
 650         AC_DEFINE(HAVE_D_DELETE_CONST, , [])
 651         AC_MSG_RESULT([no])
 652 ])
 653 EXTRA_KCFLAGS="$tmp_flags"
 654 ])
 655
 656 #
 657 # 2.6.38 dcache_lock removed. rcu-walk commited.
 658 #
 659 AC_DEFUN([LC_DCACHE_LOCK],
 660 [AC_MSG_CHECKING([if dcache_lock is exist])
 661 LB_LINUX_TRY_COMPILE([
 662         #include <linux/dcache.h>
 663 ],[
 664         spin_lock(&dcache_lock);
 665 ],[
 666         AC_DEFINE(HAVE_DCACHE_LOCK, 1,
 667                 [dcache_lock is exist])
 668         AC_MSG_RESULT([yes])
 669 ],[
 670         AC_MSG_RESULT([no])
 671 ])
 672 ])
 673
 674 #
 675 # 2.6.38 inode.i_rcu added.
 676 #
 677 AC_DEFUN([LC_INODE_I_RCU],
 678 [AC_MSG_CHECKING([if inode.i_rcu exists])
 679 LB_LINUX_TRY_COMPILE([
 680         #include <linux/fs.h>
 681 ],[
 682         struct inode ino;
 683         struct rcu_head rcu = {};
 684         ino.i_rcu = rcu;
 685 ],[
 686         AC_DEFINE(HAVE_INODE_I_RCU, 1,
 687                 [inode.i_rcu exists])
 688         AC_MSG_RESULT([yes])
 689 ],[
 690         AC_MSG_RESULT([no])
 691 ])
 692 ])
 693
 694 #
 695 # 2.6.38 export blkdev_get_by_dev
 696 #
 697 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
 698 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
 699 [fs/block_dev.c],[
 700 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
 701             [blkdev_get_by_dev is exported by the kernel])
 702 ],[
 703 ])
 704 ])
 705
 706 #
 707 # 2.6.38 export simple_setattr
 708 #
 709 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
 710 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
 711 [fs/libfs.c],[
 712 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
 713             [simple_setattr is exported by the kernel])
 714 ],[
 715 ])
 716 ])
 717
 718 #
 719 # 2.6.39 remove unplug_fn from request_queue.
 720 #
 721 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
 722 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
 723 LB_LINUX_TRY_COMPILE([
 724         #include <linux/blkdev.h>
 725 ],[
 726         do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
 727 ],[
 728         AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
 729                   [request_queue has unplug_fn field])
 730         AC_MSG_RESULT([yes])
 731 ],[
 732         AC_MSG_RESULT([no])
 733 ])
 734 ])
 735
 736 #
 737 # 2.6.39 replace get_sb with mount in struct file_system_type
 738 #
 739 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT],
 740 [AC_MSG_CHECKING([if file_system_type has mount field])
 741 LB_LINUX_TRY_COMPILE([
 742         #include <linux/fs.h>
 743 ],[
 744         struct file_system_type fst;
 745         void *i = (void *) fst.mount;
 746 ],[
 747         AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
 748                 [struct file_system_type has mount field])
 749         AC_MSG_RESULT([yes])
 750 ],[
 751         AC_MSG_RESULT([no])
 752 ])
 753 ])
 754
 755 #
 756 # 3.0 dirty_inode() has a flag parameter
 757 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
 758 #
 759 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG],
 760 [AC_MSG_CHECKING([if dirty_inode super_operation takes flag])
 761 LB_LINUX_TRY_COMPILE([
 762         #include <linux/fs.h>
 763 ],[
 764         struct inode *inode;
 765         inode->i_sb->s_op->dirty_inode(NULL, 0);
 766 ],[
 767         AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
 768                   [dirty_inode super_operation takes flag])
 769         AC_MSG_RESULT([yes])
 770 ],[
 771         AC_MSG_RESULT([no])
 772 ])
 773 ])
 774
 775 #
 776 # 2.6.38 generic_permission taken 4 parameters.
 777 # in fact, it means rcu-walk aware permission bring.
 778 #
 779 # 3.1 generic_permission taken 2 parameters.
 780 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
 781 #
 782 AC_DEFUN([LC_GENERIC_PERMISSION],
 783 [AC_MSG_CHECKING([if generic_permission take 2 or 4 arguments])
 784 LB_LINUX_TRY_COMPILE([
 785         #include <linux/fs.h>
 786 ],[
 787         generic_permission(NULL, 0);
 788 ],[
 789         AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
 790                   [generic_permission taken 2 arguments])
 791         AC_MSG_RESULT([yes, 2 args])
 792 ],[
 793         LB_LINUX_TRY_COMPILE([
 794                 #include <linux/fs.h>
 795         ],[
 796                 generic_permission(NULL, 0, 0, NULL);
 797         ],[
 798                 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
 799                           [generic_permission taken 4 arguments])
 800                 AC_MSG_RESULT([yes, 4 args])
 801         ],[
 802                 AC_MSG_RESULT([no])
 803         ])
 804 ])
 805 ])
 806
 807 #
 808 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
 809 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
 810 #
 811 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS],
 812 [AC_MSG_CHECKING([if lock-manager ops renamed to lm_xxx])
 813 LB_LINUX_TRY_COMPILE([
 814         #include <linux/fs.h>
 815 ],[
 816         struct lock_manager_operations lm_ops;
 817         lm_ops.lm_compare_owner = NULL;
 818 ],[
 819         AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
 820                   [lock-manager ops renamed to lm_xxx])
 821         AC_MSG_RESULT([yes])
 822 ],[
 823         AC_MSG_RESULT([no])
 824 ])
 825 ])
 826
 827 #
 828 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait/
 829 #     inode_dio_done instead.
 830 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
 831 #
 832 AC_DEFUN([LC_INODE_DIO_WAIT],
 833 [AC_MSG_CHECKING([if inode->i_alloc_sem is killed and use inode_dio_wait/done.])
 834 LB_LINUX_TRY_COMPILE([
 835         #include <linux/fs.h>
 836 ],[
 837         inode_dio_wait((struct inode *)0);
 838         inode_dio_done((struct inode *)0);
 839 ],[
 840         AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
 841                   [inode->i_alloc_sem is killed and use inode_dio_wait/done])
 842         AC_MSG_RESULT([yes])
 843 ],[
 844         AC_MSG_RESULT([no])
 845 ])
 846 ])
 847
 848 #
 849 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
 850 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
 851 #
 852 AC_DEFUN([LC_IOP_GET_ACL],
 853 [AC_MSG_CHECKING([inode_operations has .get_acl member function])
 854 LB_LINUX_TRY_COMPILE([
 855         #include <linux/fs.h>
 856 ],[
 857         struct inode_operations iop;
 858         iop.get_acl = NULL;
 859 ],[
 860         AC_DEFINE(HAVE_IOP_GET_ACL, 1,
 861                   [inode_operations has .get_acl member function])
 862         AC_MSG_RESULT([yes])
 863 ],[
 864         AC_MSG_RESULT([no])
 865 ])
 866 ])
 867
 868 #
 869 # 3.1 introduced generic_file_llseek_size()
 870 #
 871 AC_DEFUN([LC_FILE_LLSEEK_SIZE],
 872         [LB_CHECK_SYMBOL_EXPORT([generic_file_llseek_size],
 873         [fs/read_write.c],
 874         [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
 875                    [generic_file_llseek_size is exported by the kernel])])
 876 ])
 877
 878 #
 879 # 3.2 request_queue.make_request_fn defined as function returns with void
 880 # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
 881 #
 882 AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN],
 883 [AC_MSG_CHECKING([if request_queue.make_request_fn returns void but not int])
 884 LB_LINUX_TRY_COMPILE([
 885         #include <linux/blkdev.h>
 886 ],[
 887         int ret;
 888         make_request_fn         *mrf;
 889         ret = mrf(NULL, NULL);
 890 ],[
 891         AC_MSG_RESULT([no])
 892 ],[
 893         AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
 894                   [request_queue.make_request_fn returns void but not int])
 895         AC_MSG_RESULT([yes])
 896 ])
 897 ])
 898
 899 #
 900 # 3.2 protects inode->i_nlink from direct modification
 901 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
 902 # at the same time adds set_nlink(), so checks set_nlink() for it.
 903 #
 904 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK],
 905 [AC_MSG_CHECKING([if inode->i_nlink is protected from direct modification])
 906 LB_LINUX_TRY_COMPILE([
 907         #include <linux/fs.h>
 908 ],[
 909         struct inode i;
 910         set_nlink(&i, 1);
 911 ],[
 912         AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
 913                   [inode->i_nlink is protected from direct modification])
 914         AC_MSG_RESULT([yes])
 915 ],[
 916         AC_MSG_RESULT([no])
 917 ])
 918 ])
 919
 920 #
 921 # 3.3 introduces migrate_mode.h and migratepage has 4 args
 922 #
 923 AC_DEFUN([LC_HAVE_MIGRATE_HEADER],
 924 [LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[
 925                 AC_DEFINE(HAVE_MIGRATE_H, 1,
 926                 [kernel has include/linux/migrate.h])
 927 ],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[
 928                 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
 929                         [kernel has include/linux/migrate_mode.h])
 930 ],[
 931         AC_MSG_RESULT([no])
 932 ])
 933 ])
 934 ])
 935
 936 AC_DEFUN([LC_MIGRATEPAGE_4ARGS],
 937 [AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args])
 938 LB_LINUX_TRY_COMPILE([
 939         #include <linux/fs.h>
 940 #ifdef HAVE_MIGRATE_H
 941         #include <linux/migrate.h>
 942 #elif defined(HAVE_MIGRATE_MODE_H)
 943         #include <linux/migrate_mode.h>
 944 #endif
 945 ],[
 946         struct address_space_operations aops;
 947
 948         aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
 949 ],[
 950         AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
 951                 [address_space_operations.migratepage has 4 args])
 952         AC_MSG_RESULT([yes])
 953 ],[
 954         AC_MSG_RESULT([no])
 955 ])
 956 ])
 957
 958 #
 959 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
 960 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
 961 #
 962 AC_DEFUN([LC_SUPEROPS_USE_DENTRY],
 963 [AC_MSG_CHECKING([if super_operations use dentry as parameter])
 964 tmp_flags="$EXTRA_KCFLAGS"
 965 EXTRA_KCFLAGS="-Werror"
 966 LB_LINUX_TRY_COMPILE([
 967         #include <linux/fs.h>
 968         int show_options(struct seq_file *seq, struct dentry *root){
 969                 return 0;
 970         }
 971 ],[
 972         struct super_operations ops;
 973         ops.show_options = show_options;
 974 ],[
 975         AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
 976                   [super_operations use dentry as parameter])
 977         AC_MSG_RESULT([yes])
 978 ],[
 979         AC_MSG_RESULT([no])
 980 ])
 981 EXTRA_KCFLAGS="$tmp_flags"
 982 ])
 983
 984 #
 985 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
 986 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
 987 #
 988 AC_DEFUN([LC_INODEOPS_USE_UMODE_T],
 989 [AC_MSG_CHECKING([if inode_operations use umode_t as parameter])
 990 tmp_flags="$EXTRA_KCFLAGS"
 991 EXTRA_KCFLAGS="-Werror"
 992 LB_LINUX_TRY_COMPILE([
 993         #include <linux/fs.h>
 994         #include <linux/types.h>
 995         int my_mknod(struct inode *dir, struct dentry *dchild,
 996                      umode_t mode, dev_t dev)
 997         {
 998                 return 0;
 999         }
1000 ],[
1001         struct inode_operations ops;
1002         ops.mknod = my_mknod;
1003 ],[
1004         AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1005                   [inode_operations use umode_t as parameter])
1006         AC_MSG_RESULT([yes])
1007 ],[
1008         AC_MSG_RESULT([no])
1009 ])
1010 EXTRA_KCFLAGS="$tmp_flags"
1011 ])
1012
1013 # 3.4 kmap_atomic removes second argument
1014 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1015 #
1016 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG],
1017 [AC_MSG_CHECKING([if kmap_atomic has only 1 argument])
1018 LB_LINUX_TRY_COMPILE([
1019         #include <linux/highmem.h>
1020 ],[
1021         kmap_atomic(NULL);
1022 ],[
1023         AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1024                   [have kmap_atomic has only 1 argument])
1025         AC_MSG_RESULT([yes])
1026 ],[
1027         AC_MSG_RESULT([no])
1028 ])
1029 ])
1030
1031 #
1032 # 3.4 switchs touch_atime to struct path
1033 # see kernel commit 68ac1234fb949b66941d94dce4157742799fc581
1034 #
1035 AC_DEFUN([LC_TOUCH_ATIME_1ARG],
1036 [AC_MSG_CHECKING([if touch_atime use one argument])
1037 LB_LINUX_TRY_COMPILE([
1038         #include <linux/fs.h>
1039 ],[
1040         touch_atime((struct path *)NULL);
1041 ],[
1042         AC_DEFINE(HAVE_TOUCH_ATIME_1ARG, 1,
1043                   [touch_atime use one argument])
1044         AC_MSG_RESULT([yes])
1045 ],[
1046         AC_MSG_RESULT([no])
1047 ])
1048 ])
1049
1050 #
1051 # 3.4 converts d_alloc_root to d_make_root
1052 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1053 #
1054 AC_DEFUN([LC_HAVE_D_MAKE_ROOT],
1055 [AC_MSG_CHECKING([if have d_make_root])
1056 LB_LINUX_TRY_COMPILE([
1057         #include <linux/fs.h>
1058 ],[
1059         d_make_root((struct inode *)NULL);
1060 ],[
1061         AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1062                   [have d_make_root])
1063         AC_MSG_RESULT([yes])
1064 ],[
1065         AC_MSG_RESULT([no])
1066 ])
1067 ])
1068
1069 #
1070 # 3.5 renames end_writeback() back to clear_inode()...
1071 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1072 #
1073 AC_DEFUN([LC_HAVE_CLEAR_INODE],
1074 [AC_MSG_CHECKING([if have clear_inode])
1075 LB_LINUX_TRY_COMPILE([
1076         #include <linux/fs.h>
1077 ],[
1078         clear_inode((struct inode *)NULL);
1079 ],[
1080         AC_DEFINE(HAVE_CLEAR_INODE, 1,
1081                   [have clear_inode])
1082         AC_MSG_RESULT([yes])
1083 ],[
1084         AC_MSG_RESULT([no])
1085 ])
1086 ])
1087
1088 #
1089 # 3.5 encode_fh has parent inode passed in directly
1090 # see kernel commit b0b0382b
1091 #
1092 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT],
1093 [AC_MSG_CHECKING([if encode_fh have parent inode as parameter])
1094 tmp_flags="$EXTRA_KCFLAGS"
1095 EXTRA_KCFLAGS="-Werror"
1096 LB_LINUX_TRY_COMPILE([
1097         #include <linux/exportfs.h>
1098         #include <linux/fs.h>
1099         #include <linux/types.h>
1100         int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1101         {
1102                 return 0;
1103         }
1104 ],[
1105         struct export_operations exp_op;
1106         exp_op.encode_fh = ll_encode_fh;
1107 ],[
1108         AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1109                   [have parent inode as parameter])
1110         AC_MSG_RESULT([yes])
1111 ],[
1112         AC_MSG_RESULT([no])
1113 ])
1114 EXTRA_KCFLAGS="$tmp_flags"
1115 ])
1116
1117 # 3.5 has generic_file_llseek_size with 5 args
1118 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG],
1119 [AC_MSG_CHECKING([if kernel has generic_file_llseek_size with 5 args])
1120 LB_LINUX_TRY_COMPILE([
1121         #include <linux/fs.h>
1122 ],[
1123         generic_file_llseek_size(NULL, 0, 0, 0, 0);
1124 ], [
1125         AC_MSG_RESULT([yes])
1126         AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1127                 [kernel has generic_file_llseek_size with 5 args])
1128 ],[
1129         AC_MSG_RESULT([no])
1130 ])
1131 ])
1132
1133 #
1134 # 3.6 switch i_dentry/d_alias from list to hlist
1135 #
1136 AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST],
1137 [AC_MSG_CHECKING([if i_dentry/d_alias uses hlist])
1138 tmp_flags="$EXTRA_KCFLAGS"
1139 EXTRA_KCFLAGS="-Werror"
1140 LB_LINUX_TRY_COMPILE([
1141         #include <linux/fs.h>
1142         #include <linux/list.h>
1143 ],[
1144         struct inode inode;
1145         struct dentry dentry;
1146         struct hlist_head head;
1147         struct hlist_node node;
1148         inode.i_dentry = head;
1149         dentry.d_alias = node;
1150 ],[
1151         AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1,
1152                   [have i_dentry/d_alias uses hlist])
1153         AC_MSG_RESULT([yes])
1154 ],[
1155         AC_MSG_RESULT([no])
1156 ])
1157 EXTRA_KCFLAGS="$tmp_flags"
1158 ])
1159
1160 #
1161 # 3.6 dentry_open uses struct path as first argument
1162 # see kernel commit 765927b2
1163 #
1164 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH],
1165 [AC_MSG_CHECKING([if dentry_open uses struct path as first argument])
1166 tmp_flags="$EXTRA_KCFLAGS"
1167 EXTRA_KCFLAGS="-Werror"
1168 LB_LINUX_TRY_COMPILE([
1169         #include <linux/fs.h>
1170         #include <linux/path.h>
1171 ],[
1172         struct path path;
1173         dentry_open(&path, 0, NULL);
1174 ],[
1175         AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1176                   [dentry_open uses struct path as first argument])
1177         AC_MSG_RESULT([yes])
1178 ],[
1179         AC_MSG_RESULT([no])
1180 ])
1181 EXTRA_KCFLAGS="$tmp_flags"
1182 ])
1183
1184 #
1185 # 3.6 vfs adds iop->atomic_open
1186 #
1187 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN],
1188 [AC_MSG_CHECKING([if iop has atomic_open])
1189 LB_LINUX_TRY_COMPILE([
1190         #include <linux/fs.h>
1191 ],[
1192         struct inode_operations iop;
1193         iop.atomic_open = NULL;
1194 ],[
1195         AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1196                   [have iop atomic_open])
1197         AC_MSG_RESULT([yes])
1198 ],[
1199         AC_MSG_RESULT([no])
1200 ])
1201 ])
1202
1203 #
1204 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1205 #
1206 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS],
1207 [AC_MSG_CHECKING([if posix_acl_to_xattr takes struct user_namespace])
1208 LB_LINUX_TRY_COMPILE([
1209         #include <linux/fs.h>
1210         #include <linux/posix_acl_xattr.h>
1211 ],[
1212         posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1213 ],[
1214         AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1215                   [posix_acl_to_xattr takes struct user_namespace])
1216         AC_MSG_RESULT([yes])
1217 ],[
1218         AC_MSG_RESULT([no])
1219 ])
1220 ])
1221
1222 #
1223 # 3.8 struct file has new memeber f_inode
1224 #
1225 AC_DEFUN([LC_HAVE_FILE_F_INODE],
1226 [AC_MSG_CHECKING([if struct file has memeber f_inode])
1227 LB_LINUX_TRY_COMPILE([
1228         #include <linux/fs.h>
1229 ],[
1230         ((struct file *)0)->f_inode = NULL;
1231 ],[
1232         AC_DEFINE(HAVE_FILE_F_INODE, 1,
1233                   [struct file has memeber f_inode])
1234         AC_MSG_RESULT([yes])
1235 ],[
1236         AC_MSG_RESULT([no])
1237 ])
1238 ])
1239
1240 #
1241 # 3.9 uses hlist_for_each_entry with 3 args
1242 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1243 #
1244 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG],
1245 [AC_MSG_CHECKING([if hlist_for_each_entry has 3 args])
1246 LB_LINUX_TRY_COMPILE([
1247         #include <linux/list.h>
1248         #include <linux/fs.h>
1249 ],[
1250         struct inode *inode;
1251         struct dentry *dentry;
1252         hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
1253                 continue;
1254         }
1255 ],[
1256         AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1, [3 args])
1257         AC_MSG_RESULT([yes])
1258 ],[
1259         AC_MSG_RESULT([no])
1260 ])
1261 ])
1262
1263 #
1264 # 3.9 killed f_vfsmnt by
1265 # 182be684784334598eee1d90274e7f7aa0063616
1266 # replacement is f_path.mnt
1267 #
1268 AC_DEFUN([LC_HAVE_F_PATH_MNT],
1269 [AC_MSG_CHECKING([if struct file has f_path.mnt])
1270 LB_LINUX_TRY_COMPILE([
1271         #include <linux/fs.h>
1272 ],[
1273         struct file *fp = NULL;
1274         struct path  path;
1275
1276         path.mnt = fp->f_path.mnt;
1277 ],[
1278         AC_DEFINE(HAVE_F_PATH_MNT,1,[yes])
1279         AC_MSG_RESULT([yes])
1280 ],[
1281         AC_MSG_RESULT([no])
1282 ])
1283 ])
1284
1285 #
1286 # LC_PROG_LINUX
1287 #
1288 # Lustre linux kernel checks
1289 #
1290 AC_DEFUN([LC_PROG_LINUX],
1291          [
1292          LC_CONFIG_PINGER
1293          LC_CONFIG_CHECKSUM
1294          LC_CONFIG_LIBLUSTRE_RECOVERY
1295          LC_CONFIG_HEALTH_CHECK_WRITE
1296          LC_CONFIG_LRU_RESIZE
1297          LC_LLITE_LLOOP_MODULE
1298
1299          LC_CAPA_CRYPTO
1300          LC_CONFIG_RMTCLIENT
1301          LC_CONFIG_GSS
1302
1303          # 2.6.24
1304          LC_BIO_ENDIO_2ARG
1305          LC_PROCFS_DELETED
1306
1307          # 2.6.27.15-2 sles11
1308          LC_HAVE_QUOTAIO_H
1309
1310          # 2.6.32
1311          LC_BLK_QUEUE_MAX_SEGMENTS
1312
1313          # 2.6.34
1314          LC_HAVE_DQUOT_FS_DISK_QUOTA
1315          LC_HAVE_DQUOT_SUSPEND
1316
1317          # 2.6.35, 3.0.0
1318          LC_FILE_FSYNC
1319          LC_EXPORT_SIMPLE_SETATTR
1320          LC_EXPORT_TRUNCATE_COMPLETE_PAGE
1321
1322          # 2.6.36
1323          LC_FS_STRUCT_RWLOCK
1324          LC_SBOPS_EVICT_INODE
1325
1326          # 2.6.37
1327          LC_KERNEL_LOCKED
1328
1329          # 2.6.38
1330          LC_BLKDEV_GET_BY_DEV
1331          LC_GENERIC_PERMISSION
1332          LC_DCACHE_LOCK
1333          LC_INODE_I_RCU
1334          LC_D_COMPARE_7ARGS
1335          LC_D_DELETE_CONST
1336
1337          # 2.6.39
1338          LC_REQUEST_QUEUE_UNPLUG_FN
1339          LC_HAVE_FSTYPE_MOUNT
1340
1341          # 3.0
1342          LC_DIRTY_INODE_WITH_FLAG
1343
1344          # 3.1
1345          LC_LM_XXX_LOCK_MANAGER_OPS
1346          LC_INODE_DIO_WAIT
1347          LC_IOP_GET_ACL
1348          LC_FILE_LLSEEK_SIZE
1349          LC_INODE_PERMISION_2ARGS
1350
1351          # 3.2
1352          LC_HAVE_VOID_MAKE_REQUEST_FN
1353          LC_HAVE_PROTECT_I_NLINK
1354
1355          # 3.3
1356          LC_HAVE_MIGRATE_HEADER
1357          LC_MIGRATEPAGE_4ARGS
1358          LC_SUPEROPS_USE_DENTRY
1359          LC_INODEOPS_USE_UMODE_T
1360
1361          # 3.4
1362          LC_TOUCH_ATIME_1ARG
1363          LC_HAVE_D_MAKE_ROOT
1364          LC_KMAP_ATOMIC_HAS_1ARG
1365
1366          # 3.5
1367          LC_HAVE_CLEAR_INODE
1368          LC_HAVE_ENCODE_FH_PARENT
1369          LC_FILE_LLSEEK_SIZE_5ARG
1370
1371          # 3.6
1372          LC_HAVE_DENTRY_D_ALIAS_HLIST
1373          LC_DENTRY_OPEN_USE_PATH
1374          LC_HAVE_IOP_ATOMIC_OPEN
1375
1376          # 3.7
1377          LC_HAVE_POSIXACL_USER_NS
1378
1379          # 3.8
1380          LC_HAVE_FILE_F_INODE
1381
1382          # 3.9
1383          LC_HAVE_HLIST_FOR_EACH_3ARG
1384          LC_HAVE_F_PATH_MNT
1385
1386          #
1387          if test x$enable_server != xno ; then
1388                 LC_FUNC_DEV_SET_RDONLY
1389                 LC_STACK_SIZE
1390                 LC_QUOTA64
1391                 LC_QUOTA_CONFIG
1392          fi
1393 ])
1394
1395 #
1396 # LC_CONFIG_CLIENT
1397 #
1398 # Check whether to build the client side of Lustre
1399 #
1400 AC_DEFUN([LC_CONFIG_CLIENT],
1401 [AC_MSG_CHECKING([whether to build Lustre client support])
1402 AC_ARG_ENABLE([client],
1403         AC_HELP_STRING([--disable-client],
1404                         [disable Lustre client support]),
1405         [],[enable_client='yes'])
1406 AC_MSG_RESULT([$enable_client])
1407 ])
1408
1409 #
1410 # LC_CONFIG_LIBLUSTRE
1411 #
1412 # whether to build liblustre
1413 #
1414 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1415 [AC_MSG_CHECKING([whether to build Lustre library])
1416 AC_ARG_ENABLE([liblustre],
1417         AC_HELP_STRING([--disable-liblustre],
1418                         [disable building of Lustre library]),
1419         [],[enable_liblustre=$with_sysio])
1420 AC_MSG_RESULT([$enable_liblustre])
1421 # only build sysio if liblustre is built
1422 with_sysio="$enable_liblustre"
1423
1424 AC_MSG_CHECKING([whether to build liblustre tests])
1425 AC_ARG_ENABLE([liblustre-tests],
1426         AC_HELP_STRING([--enable-liblustre-tests],
1427                         [enable liblustre tests, if --disable-tests is used]),
1428         [],[enable_liblustre_tests=$enable_tests])
1429 if test x$enable_liblustre != xyes ; then
1430    enable_liblustre_tests='no'
1431 fi
1432 AC_MSG_RESULT([$enable_liblustre_tests])
1433
1434 AC_MSG_CHECKING([whether to enable liblustre acl])
1435 AC_ARG_ENABLE([liblustre-acl],
1436         AC_HELP_STRING([--disable-liblustre-acl],
1437                         [disable ACL support for liblustre]),
1438         [],[enable_liblustre_acl=yes])
1439 AC_MSG_RESULT([$enable_liblustre_acl])
1440 if test x$enable_liblustre_acl = xyes ; then
1441   AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1442 fi
1443
1444 #
1445 # --enable-mpitest
1446 #
1447 AC_ARG_ENABLE(mpitests,
1448         AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
1449                            [include mpi tests]),
1450         [
1451          enable_mpitests=yes
1452          case $enableval in
1453          yes)
1454                 MPICC_WRAPPER=mpicc
1455                 ;;
1456          no)
1457                 enable_mpitests=no
1458                 ;;
1459          *)
1460                 MPICC_WRAPPER=$enableval
1461                  ;;
1462          esac
1463         ],
1464         [
1465         MPICC_WRAPPER=mpicc
1466         enable_mpitests=yes
1467         ]
1468 )
1469
1470 if test x$enable_mpitests != xno; then
1471         AC_MSG_CHECKING([whether mpitests can be built])
1472         oldcc=$CC
1473         CC=$MPICC_WRAPPER
1474         AC_LINK_IFELSE(
1475             [AC_LANG_PROGRAM([[
1476                     #include <mpi.h>
1477                 ]],[[
1478                     int flag;
1479                     MPI_Initialized(&flag);
1480                 ]])],
1481             [
1482                     AC_MSG_RESULT([yes])
1483             ],[
1484                     AC_MSG_RESULT([no])
1485                     enable_mpitests=no
1486         ])
1487         CC=$oldcc
1488 fi
1489 AC_SUBST(MPICC_WRAPPER)
1490
1491 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1492 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1493
1494 LC_CONFIG_PINGER
1495 LC_CONFIG_LIBLUSTRE_RECOVERY
1496 ])
1497
1498 #
1499 # LC_CONFIG_QUOTA
1500 #
1501 # whether to enable quota support global control
1502 #
1503 AC_DEFUN([LC_CONFIG_QUOTA],
1504 [AC_ARG_ENABLE([quota],
1505         AC_HELP_STRING([--enable-quota],
1506                         [enable quota support]),
1507         [],[enable_quota='yes'])
1508 ])
1509
1510 AC_DEFUN([LC_QUOTA],
1511 [#check global
1512 LC_CONFIG_QUOTA
1513 #check for utils
1514 if test x$enable_quota != xno -a x$enable_utils != xno; then
1515 AC_CHECK_HEADER(sys/quota.h,
1516                 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
1517                 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
1518 fi
1519 ])
1520
1521 #
1522 # LC_CONFIG_SPLIT
1523 #
1524 # whether to enable split support
1525 #
1526 AC_DEFUN([LC_CONFIG_SPLIT],
1527 [AC_MSG_CHECKING([whether to enable split support])
1528 AC_ARG_ENABLE([split],
1529         AC_HELP_STRING([--enable-split],
1530                         [enable split support]),
1531         [],[enable_split='no'])
1532 AC_MSG_RESULT([$enable_split])
1533 if test x$enable_split != xno; then
1534    AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
1535 fi
1536 ])
1537
1538 #
1539 # LC_LLITE_LLOOP_MODULE
1540 # lloop_llite.ko does not currently work with page sizes
1541 # of 64k or larger.
1542 #
1543 AC_DEFUN([LC_LLITE_LLOOP_MODULE],
1544 [AC_MSG_CHECKING([whether to enable llite_lloop module])
1545 LB_LINUX_TRY_COMPILE([
1546         #include <asm/page.h>
1547 ],[
1548         #if PAGE_SIZE >= 65536
1549         #error "PAGE_SIZE >= 65536"
1550         #endif
1551 ],[
1552         enable_llite_lloop_module='yes'
1553         AC_MSG_RESULT([yes])
1554 ],[
1555         enable_llite_lloop_module='no'
1556         AC_MSG_RESULT([no])
1557 ])
1558 ])
1559
1560 #
1561 # LC_OSD_ADDON
1562 #
1563 # configure support for optional OSD implementation
1564 #
1565 AC_DEFUN([LC_OSD_ADDON],
1566 [AC_MSG_CHECKING([for osd])
1567 AC_ARG_WITH([osd],
1568         AC_HELP_STRING([--with-osd=path],
1569                        [set path to optional osd]),
1570         [
1571                 case $with_osd in
1572                         no)     ENABLEOSDADDON=0
1573                                 ;;
1574                         *)      OSDADDON="${with_osd}"
1575                                 ENABLEOSDADDON=1
1576                                 ;;
1577                 esac
1578         ], [
1579                 ENABLEOSDADDON=0
1580         ])
1581 if test $ENABLEOSDADDON -eq 0; then
1582         AC_MSG_RESULT([no])
1583         OSDADDON=
1584 else
1585         OSDMODNAME=`basename $OSDADDON`
1586         if test -e $LUSTRE/$OSDMODNAME; then
1587                 AC_MSG_RESULT([can't link])
1588                 OSDADDON=
1589         elif ln -s $OSDADDON $LUSTRE/$OSDMODNAME; then
1590                 AC_MSG_RESULT([$OSDMODNAME])
1591                 OSDADDON="subdir-m += $OSDMODNAME"
1592         else
1593                 AC_MSG_RESULT([can't link])
1594                 OSDADDON=
1595         fi
1596 fi
1597 AC_SUBST(OSDADDON)
1598 ])
1599
1600 #
1601 # LC_CONFIGURE
1602 #
1603 # other configure checks
1604 #
1605 AC_DEFUN([LC_CONFIGURE],
1606 [LC_CONFIG_OBD_BUFFER_SIZE
1607
1608 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
1609         CFLAGS="$CFLAGS -Werror"
1610 fi
1611
1612 # maximum MDS thread count
1613 LC_MDS_MAX_THREADS
1614
1615 # include/liblustre.h
1616 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1617
1618 # liblustre/llite_lib.h
1619 AC_CHECK_HEADERS([xtio.h file.h])
1620
1621 # liblustre/dir.c
1622 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1623
1624 # liblustre/lutil.c
1625 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1626 AC_CHECK_FUNCS([inet_ntoa])
1627
1628 # libsysio/src/readlink.c
1629 LC_READLINK_SSIZE_T
1630
1631 # libcfs prng.c - depends on linux/types.h from liblustre/dir.c
1632 AC_CHECK_HEADERS([linux/random.h], [], [],
1633                  [#ifdef HAVE_LINUX_TYPES_H
1634                   # include <linux/types.h>
1635                   #endif
1636                  ])
1637
1638 # utils/llverfs.c
1639 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1640
1641 # check for -lz support
1642 ZLIB=""
1643 AC_CHECK_LIB([z],
1644              [adler32],
1645              [AC_CHECK_HEADERS([zlib.h],
1646                                [ZLIB="-lz"
1647                                 AC_DEFINE([HAVE_ADLER], 1,
1648                                           [support alder32 checksum type])],
1649                                [AC_MSG_WARN([No zlib-devel package found,
1650                                              unable to use adler32 checksum])])],
1651              [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
1652 )
1653 AC_SUBST(ZLIB)
1654
1655 SELINUX=""
1656 AC_CHECK_LIB([selinux],
1657                 [is_selinux_enabled],
1658                 [AC_CHECK_HEADERS([selinux.h],
1659                                 [SELINUX="-lselinux"
1660                                 AC_DEFINE([HAVE_SELINUX], 1,
1661                                                 [support for selinux ])],
1662                                 [AC_MSG_WARN([No selinux-devel package found,
1663                                                 unable to build selinux enabled
1664                                                 tools])])],
1665                 [AC_MSG_WARN([No selinux package found, unable to build selinux
1666                                 enabled tools])]
1667 )
1668 AC_SUBST(SELINUX)
1669
1670 # Super safe df
1671 AC_ARG_ENABLE([mindf],
1672       AC_HELP_STRING([--enable-mindf],
1673                       [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1674       [],[])
1675 if test "$enable_mindf" = "yes" ;  then
1676       AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1677 fi
1678
1679 AC_ARG_ENABLE([fail_alloc],
1680         AC_HELP_STRING([--disable-fail-alloc],
1681                 [disable randomly alloc failure]),
1682         [],[enable_fail_alloc=yes])
1683 AC_MSG_CHECKING([whether to randomly failing memory alloc])
1684 AC_MSG_RESULT([$enable_fail_alloc])
1685 if test x$enable_fail_alloc != xno ; then
1686         AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
1687 fi
1688
1689 AC_ARG_ENABLE([invariants],
1690         AC_HELP_STRING([--enable-invariants],
1691                 [enable invariant checking (cpu intensive)]),
1692         [],[])
1693 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
1694 AC_MSG_RESULT([$enable_invariants])
1695 if test x$enable_invariants = xyes ; then
1696         AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1, [enable invariant checking])
1697 fi
1698
1699 AC_ARG_ENABLE([lu_ref],
1700         AC_HELP_STRING([--enable-lu_ref],
1701                 [enable lu_ref reference tracking code]),
1702         [],[])
1703 AC_MSG_CHECKING([whether to track references with lu_ref])
1704 AC_MSG_RESULT([$enable_lu_ref])
1705 if test x$enable_lu_ref = xyes ; then
1706         AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
1707 fi
1708
1709 AC_ARG_ENABLE([pgstate-track],
1710               AC_HELP_STRING([--enable-pgstate-track],
1711                              [enable page state tracking]),
1712               [enable_pgstat_track='yes'],[])
1713 AC_MSG_CHECKING([whether to enable page state tracking])
1714 AC_MSG_RESULT([$enable_pgstat_track])
1715 if test x$enable_pgstat_track = xyes ; then
1716         AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
1717                   [enable page state tracking code])
1718 fi
1719 ])
1720
1721 #
1722 # LC_CONDITIONALS
1723 #
1724 # AM_CONDITIONALS for lustre
1725 #
1726 AC_DEFUN([LC_CONDITIONALS],
1727 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1728 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1729 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1730 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1731 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1732 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
1733 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1734 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1735 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
1736 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
1737 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
1738 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1739 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
1740 ])
1741
1742 #
1743 # LC_CONFIG_FILES
1744 #
1745 # files that should be generated with AC_OUTPUT
1746 #
1747 AC_DEFUN([LC_CONFIG_FILES],
1748 [AC_CONFIG_FILES([
1749 lustre/Makefile
1750 lustre/autoMakefile
1751 lustre/autoconf/Makefile
1752 lustre/conf/Makefile
1753 lustre/contrib/Makefile
1754 lustre/doc/Makefile
1755 lustre/include/Makefile
1756 lustre/include/lustre_ver.h
1757 lustre/include/linux/Makefile
1758 lustre/include/darwin/Makefile
1759 lustre/include/lustre/Makefile
1760 lustre/kernel_patches/targets/2.6-rhel6.target
1761 lustre/kernel_patches/targets/2.6-rhel5.target
1762 lustre/kernel_patches/targets/2.6-sles11.target
1763 lustre/kernel_patches/targets/3.0-sles11.target
1764 lustre/kernel_patches/targets/3.0-sles11sp3.target
1765 lustre/kernel_patches/targets/2.6-fc11.target
1766 lustre/kernel_patches/targets/2.6-fc12.target
1767 lustre/kernel_patches/targets/2.6-fc15.target
1768 lustre/kernel_patches/targets/3.x-fc18.target
1769 lustre/ldlm/Makefile
1770 lustre/fid/Makefile
1771 lustre/fid/autoMakefile
1772 lustre/liblustre/Makefile
1773 lustre/liblustre/tests/Makefile
1774 lustre/liblustre/tests/mpi/Makefile
1775 lustre/llite/Makefile
1776 lustre/llite/autoMakefile
1777 lustre/lclient/Makefile
1778 lustre/lov/Makefile
1779 lustre/lov/autoMakefile
1780 lustre/mdc/Makefile
1781 lustre/mdc/autoMakefile
1782 lustre/lmv/Makefile
1783 lustre/lmv/autoMakefile
1784 lustre/lfsck/Makefile
1785 lustre/lfsck/autoMakefile
1786 lustre/mdt/Makefile
1787 lustre/mdt/autoMakefile
1788 lustre/mdd/Makefile
1789 lustre/mdd/autoMakefile
1790 lustre/fld/Makefile
1791 lustre/fld/autoMakefile
1792 lustre/obdclass/Makefile
1793 lustre/obdclass/autoMakefile
1794 lustre/obdclass/linux/Makefile
1795 lustre/obdecho/Makefile
1796 lustre/obdecho/autoMakefile
1797 lustre/ofd/Makefile
1798 lustre/ofd/autoMakefile
1799 lustre/osc/Makefile
1800 lustre/osc/autoMakefile
1801 lustre/ost/Makefile
1802 lustre/ost/autoMakefile
1803 lustre/osd-ldiskfs/Makefile
1804 lustre/osd-ldiskfs/autoMakefile
1805 lustre/osd-zfs/Makefile
1806 lustre/osd-zfs/autoMakefile
1807 lustre/mgc/Makefile
1808 lustre/mgc/autoMakefile
1809 lustre/mgs/Makefile
1810 lustre/mgs/autoMakefile
1811 lustre/target/Makefile
1812 lustre/ptlrpc/Makefile
1813 lustre/ptlrpc/autoMakefile
1814 lustre/ptlrpc/gss/Makefile
1815 lustre/ptlrpc/gss/autoMakefile
1816 lustre/quota/Makefile
1817 lustre/quota/autoMakefile
1818 lustre/scripts/Makefile
1819 lustre/tests/Makefile
1820 lustre/tests/mpi/Makefile
1821 lustre/utils/Makefile
1822 lustre/utils/gss/Makefile
1823 lustre/osp/Makefile
1824 lustre/osp/autoMakefile
1825 lustre/lod/Makefile
1826 lustre/lod/autoMakefile
1827 lustre/obdclass/darwin/Makefile
1828 ])
1829 ])