lustre/autoconf/lustre-core.m4

   1 #* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2 #* vim:expandtab:shiftwidth=8:tabstop=8:
   3 #
   4 # LC_CONFIG_SRCDIR
   5 #
   6 # Wrapper for AC_CONFIG_SUBDIR
   7 #
   8 AC_DEFUN([LC_CONFIG_SRCDIR],
   9 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
  10 libcfs_is_module=yes
  11 ldiskfs_is_ext4=yes
  12 ])
  13
  14 #
  15 # LC_PATH_DEFAULTS
  16 #
  17 # lustre specific paths
  18 #
  19 AC_DEFUN([LC_PATH_DEFAULTS],
  20 [# ptlrpc kernel build requires this
  21 LUSTRE="$PWD/lustre"
  22 AC_SUBST(LUSTRE)
  23
  24 # mount.lustre
  25 rootsbindir='/sbin'
  26 AC_SUBST(rootsbindir)
  27
  28 demodir='$(docdir)/demo'
  29 AC_SUBST(demodir)
  30
  31 pkgexampledir='${pkgdatadir}/examples'
  32 AC_SUBST(pkgexampledir)
  33 ])
  34
  35 #
  36 # LC_TARGET_SUPPORTED
  37 #
  38 # is the target os supported?
  39 #
  40 AC_DEFUN([LC_TARGET_SUPPORTED],
  41 [case $target_os in
  42         linux* | darwin*)
  43 $1
  44                 ;;
  45         *)
  46 $2
  47                 ;;
  48 esac
  49 ])
  50
  51 #
  52 # Ensure stack size big than 8k in Lustre server (all kernels)
  53 #
  54 AC_DEFUN([LC_STACK_SIZE],
  55 [AC_MSG_CHECKING([stack size big than 8k])
  56 LB_LINUX_TRY_COMPILE([
  57         #include <linux/thread_info.h>
  58 ],[
  59         #if THREAD_SIZE < 8192
  60         #error "stack size < 8192"
  61         #endif
  62 ],[
  63         AC_MSG_RESULT(yes)
  64 ],[
  65         AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.])
  66 ])
  67 ])
  68
  69 #
  70 # LC_FUNC_DEV_SET_RDONLY
  71 #
  72 # check for the old-style dev_set_rdonly which took an extra "devno" param
  73 # and can only set a single device to discard writes at one time
  74 #
  75 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
  76 [AC_MSG_CHECKING([if kernel has new dev_set_rdonly])
  77 LB_LINUX_TRY_COMPILE([
  78         #include <linux/fs.h>
  79         #include <linux/blkdev.h>
  80 ],[
  81         #ifndef HAVE_CLEAR_RDONLY_ON_PUT
  82         #error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above.
  83         #endif
  84 ],[
  85         AC_MSG_RESULT([yes])
  86         AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
  87 ],[
  88         AC_MSG_ERROR([no, Linux kernel source needs to be patches by lustre
  89 kernel patches from Lustre version 1.4.3 or above.])
  90 ])
  91 ])
  92
  93 #
  94 # LC_CONFIG_BACKINGFS
  95 #
  96 # setup, check the backing filesystem
  97 #
  98 AC_DEFUN([LC_CONFIG_BACKINGFS],
  99 [
 100 BACKINGFS="ldiskfs"
 101
 102 if test x$with_ldiskfs = xno ; then
 103         if test x$linux25$enable_server = xyesyes ; then
 104                 AC_MSG_ERROR([ldiskfs is required for 2.6-based servers.])
 105         fi
 106 else
 107         # ldiskfs is enabled
 108         LB_DEFINE_LDISKFS_OPTIONS
 109 fi #ldiskfs
 110
 111 AC_MSG_CHECKING([which backing filesystem to use])
 112 AC_MSG_RESULT([$BACKINGFS])
 113 AC_SUBST(BACKINGFS)
 114 ])
 115
 116 #
 117 # LC_CONFIG_PINGER
 118 #
 119 # the pinger is temporary, until we have the recovery node in place
 120 #
 121 AC_DEFUN([LC_CONFIG_PINGER],
 122 [AC_MSG_CHECKING([whether to enable pinger support])
 123 AC_ARG_ENABLE([pinger],
 124         AC_HELP_STRING([--disable-pinger],
 125                         [disable recovery pinger support]),
 126         [],[enable_pinger='yes'])
 127 AC_MSG_RESULT([$enable_pinger])
 128 if test x$enable_pinger != xno ; then
 129   AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
 130 fi
 131 ])
 132
 133 #
 134 # LC_CONFIG_CHECKSUM
 135 #
 136 # do checksum of bulk data between client and OST
 137 #
 138 AC_DEFUN([LC_CONFIG_CHECKSUM],
 139 [AC_MSG_CHECKING([whether to enable data checksum support])
 140 AC_ARG_ENABLE([checksum],
 141        AC_HELP_STRING([--disable-checksum],
 142                        [disable data checksum support]),
 143        [],[enable_checksum='yes'])
 144 AC_MSG_RESULT([$enable_checksum])
 145 if test x$enable_checksum != xno ; then
 146   AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums)
 147 fi
 148 ])
 149
 150 #
 151 # LC_HEADER_LDISKFS_XATTR
 152 #
 153 # CHAOS kernel-devel package will not include fs/ldiskfs/xattr.h
 154 #
 155 AC_DEFUN([LC_HEADER_LDISKFS_XATTR],
 156 [AC_MSG_CHECKING([if ldiskfs has xattr.h header])
 157 tmp_flags="$EXTRA_KCFLAGS"
 158 EXTRA_KCFLAGS="-I$LINUX/fs -I$LDISKFS_DIR -I$LDISKFS_DIR/ldiskfs"
 159 LB_LINUX_TRY_COMPILE([
 160         #include <ldiskfs/xattr.h>
 161 ],[
 162         ldiskfs_xattr_get(NULL, 0, "", NULL, 0);
 163         ldiskfs_xattr_set_handle(NULL, NULL, 0, "", NULL, 0, 0);
 164
 165 ],[
 166         AC_MSG_RESULT([yes])
 167         AC_DEFINE(HAVE_LDISKFS_XATTR_H, 1, [ldiskfs/xattr.h found])
 168 ],[
 169         AC_MSG_RESULT([no])
 170 ])
 171 EXTRA_KCFLAGS="$tmp_flags"
 172 ])
 173
 174 #
 175 # LC_CONFIG_HEALTH_CHECK_WRITE
 176 #
 177 # Turn off the actual write to the disk
 178 #
 179 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE],
 180 [AC_MSG_CHECKING([whether to enable a write with the health check])
 181 AC_ARG_ENABLE([health_write],
 182         AC_HELP_STRING([--enable-health_write],
 183                         [enable disk writes when doing health check]),
 184         [],[enable_health_write='no'])
 185 AC_MSG_RESULT([$enable_health_write])
 186 if test x$enable_health_write != xno ; then
 187   AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, Write when Checking Health)
 188 fi
 189 ])
 190
 191 #
 192 # LC_CONFIG_LIBLUSTRE_RECOVERY
 193 #
 194 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
 195 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
 196 AC_ARG_ENABLE([liblustre-recovery],
 197         AC_HELP_STRING([--disable-liblustre-recovery],
 198                         [disable liblustre recovery support]),
 199         [],[enable_liblustre_recovery='yes'])
 200 AC_MSG_RESULT([$enable_liblustre_recovery])
 201 if test x$enable_liblustre_recovery != xno ; then
 202   AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
 203 fi
 204 ])
 205
 206 #
 207 # LC_CONFIG_OBD_BUFFER_SIZE
 208 #
 209 # the maximum buffer size of lctl ioctls
 210 #
 211 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
 212 [AC_MSG_CHECKING([maximum OBD ioctl size])
 213 AC_ARG_WITH([obd-buffer-size],
 214         AC_HELP_STRING([--with-obd-buffer-size=[size]],
 215                         [set lctl ioctl maximum bytes (default=8192)]),
 216         [
 217                 OBD_BUFFER_SIZE=$with_obd_buffer_size
 218         ],[
 219                 OBD_BUFFER_SIZE=8192
 220         ])
 221 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
 222 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
 223 ])
 224
 225 #
 226 # LC_STRUCT_STATFS
 227 #
 228 # AIX does not have statfs.f_namelen
 229 #
 230 AC_DEFUN([LC_STRUCT_STATFS],
 231 [AC_MSG_CHECKING([if struct statfs has a f_namelen field])
 232 LB_LINUX_TRY_COMPILE([
 233         #include <linux/vfs.h>
 234 ],[
 235         struct statfs sfs;
 236         sfs.f_namelen = 1;
 237 ],[
 238         AC_MSG_RESULT([yes])
 239         AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
 240 ],[
 241         AC_MSG_RESULT([no])
 242 ])
 243 ])
 244
 245 #
 246 # LC_READLINK_SSIZE_T
 247 #
 248 AC_DEFUN([LC_READLINK_SSIZE_T],
 249 [AC_MSG_CHECKING([if readlink returns ssize_t])
 250 AC_TRY_COMPILE([
 251         #include <unistd.h>
 252 ],[
 253         ssize_t readlink(const char *, char *, size_t);
 254 ],[
 255         AC_MSG_RESULT([yes])
 256         AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
 257 ],[
 258         AC_MSG_RESULT([no])
 259 ])
 260 ])
 261
 262 #
 263 # LC_FUNC_MS_FLOCK_LOCK
 264 #
 265 # 2.6.5 kernel has MS_FLOCK_LOCK sb flag
 266 #
 267 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
 268 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
 269 LB_LINUX_TRY_COMPILE([
 270         #include <linux/fs.h>
 271 ],[
 272         int flags = MS_FLOCK_LOCK;
 273 ],[
 274         AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
 275                 [kernel has MS_FLOCK_LOCK flag])
 276         AC_MSG_RESULT([yes])
 277 ],[
 278         AC_MSG_RESULT([no])
 279 ])
 280 ])
 281
 282 #
 283 # LC_FUNC_HAVE_CAN_SLEEP_ARG
 284 #
 285 # 2.6.5 kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()
 286 #
 287 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
 288 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 289 LB_LINUX_TRY_COMPILE([
 290         #include <linux/fs.h>
 291 ],[
 292         int cansleep;
 293         struct file *file;
 294         struct file_lock *file_lock;
 295         flock_lock_file_wait(file, file_lock, cansleep);
 296 ],[
 297         AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
 298                 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 299         AC_MSG_RESULT([yes])
 300 ],[
 301         AC_MSG_RESULT([no])
 302 ])
 303 ])
 304
 305 #
 306 # LC_FUNC_RELEASEPAGE_WITH_GFP
 307 #
 308 # 2.6.9 ->releasepage() takes a gfp_t arg
 309 # This kernel defines gfp_t (HAS_GFP_T) but doesn't use it for this function,
 310 # while others either don't have gfp_t or pass gfp_t as the parameter.
 311 #
 312 AC_DEFUN([LC_FUNC_RELEASEPAGE_WITH_GFP],
 313 [AC_MSG_CHECKING([if releasepage has a gfp_t parameter])
 314 RELEASEPAGE_WITH_GFP="$(grep -c 'releasepage.*gfp_t' $LINUX/include/linux/fs.h)"
 315 if test "$RELEASEPAGE_WITH_GFP" != 0 ; then
 316         AC_DEFINE(HAVE_RELEASEPAGE_WITH_GFP, 1,
 317                   [releasepage with gfp_t parameter])
 318         AC_MSG_RESULT([yes])
 319 else
 320         AC_MSG_RESULT([no])
 321 fi
 322 ])
 323
 324 #
 325 # between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels
 326 #
 327 AC_DEFUN([LC_FILEMAP_POPULATE],
 328 [AC_MSG_CHECKING([for exported filemap_populate])
 329 LB_LINUX_TRY_COMPILE([
 330         #include <asm/page.h>
 331         #include <linux/mm.h>
 332 ],[
 333        filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
 334 ],[
 335         AC_MSG_RESULT([yes])
 336         AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
 337 ],[
 338         AC_MSG_RESULT([no])
 339 ])
 340 ])
 341
 342 #
 343 # added in 2.6.15
 344 #
 345 AC_DEFUN([LC_D_ADD_UNIQUE],
 346 [AC_MSG_CHECKING([for d_add_unique])
 347 LB_LINUX_TRY_COMPILE([
 348         #include <linux/dcache.h>
 349 ],[
 350        d_add_unique(NULL, NULL);
 351 ],[
 352         AC_MSG_RESULT([yes])
 353         AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
 354 ],[
 355         AC_MSG_RESULT([no])
 356 ])
 357 ])
 358
 359 #
 360 # added in 2.6.17
 361 #
 362 AC_DEFUN([LC_BIT_SPINLOCK_H],
 363 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
 364         AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
 365         LB_LINUX_TRY_COMPILE([
 366                 #include <asm/processor.h>
 367                 #include <linux/spinlock.h>
 368                 #include <linux/bit_spinlock.h>
 369         ],[],[
 370                 AC_MSG_RESULT([yes])
 371                 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
 372         ],[
 373                 AC_MSG_RESULT([no])
 374         ])
 375 ],
 376 [])
 377 ])
 378
 379 #
 380 # After 2.6.26 we no longer have xattr_acl.h
 381 #
 382 AC_DEFUN([LC_XATTR_ACL],
 383 [LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
 384         AC_MSG_CHECKING([if xattr_acl.h can be compiled])
 385         LB_LINUX_TRY_COMPILE([
 386                 #include <linux/xattr_acl.h>
 387         ],[],[
 388                 AC_MSG_RESULT([yes])
 389                 AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
 390         ],[
 391                 AC_MSG_RESULT([no])
 392         ])
 393 ],
 394 [])
 395 ])
 396
 397
 398 # added in 2.6.16
 399 #
 400 AC_DEFUN([LC_STRUCT_INTENT_FILE],
 401 [AC_MSG_CHECKING([if struct open_intent has a file field])
 402 LB_LINUX_TRY_COMPILE([
 403         #include <linux/fs.h>
 404         #include <linux/namei.h>
 405 ],[
 406         struct open_intent intent;
 407         &intent.file;
 408 ],[
 409         AC_MSG_RESULT([yes])
 410         AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
 411 ],[
 412         AC_MSG_RESULT([no])
 413 ])
 414 ])
 415
 416
 417 #
 418 # After 2.6.16 the xattr_acl API is removed, and posix_acl is used instead
 419 #
 420 AC_DEFUN([LC_POSIX_ACL_XATTR_H],
 421 [LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
 422         AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
 423         LB_LINUX_TRY_COMPILE([
 424                 #include <linux/posix_acl_xattr.h>
 425         ],[],[
 426                 AC_MSG_RESULT([yes])
 427                 AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
 428
 429         ],[
 430                 AC_MSG_RESULT([no])
 431         ])
 432 $1
 433 ],[
 434 AC_MSG_RESULT([no])
 435 ])
 436 ])
 437
 438 #
 439 # LC_EXPORT___IGET
 440 # starting from 2.6.19 linux kernel exports __iget()
 441 #
 442 AC_DEFUN([LC_EXPORT___IGET],
 443 [LB_CHECK_SYMBOL_EXPORT([__iget],
 444 [fs/inode.c],[
 445         AC_DEFINE(HAVE_EXPORT___IGET, 1, [kernel exports __iget])
 446 ],[
 447 ])
 448 ])
 449
 450 #
 451 # only for Lustre-patched kernels
 452 #
 453 AC_DEFUN([LC_LUSTRE_VERSION_H],
 454 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
 455         rm -f "$LUSTRE/include/linux/lustre_version.h"
 456 ],[
 457         touch "$LUSTRE/include/linux/lustre_version.h"
 458         if test x$enable_server = xyes ; then
 459                 AC_MSG_WARN([Unpatched kernel detected.])
 460                 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
 461                 AC_MSG_WARN([disabling server build])
 462                 enable_server='no'
 463         fi
 464 ])
 465 ])
 466
 467 #
 468 # LC_CAPA_CRYPTO
 469 #
 470 AC_DEFUN([LC_CAPA_CRYPTO],
 471 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
 472         AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
 473 ])
 474 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
 475         AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
 476 ])
 477 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
 478         AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
 479 ])
 480 ])
 481
 482 #
 483 # LC_CONFIG_RMTCLIENT
 484 #
 485 dnl FIXME
 486 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
 487 dnl FIXME
 488 AC_DEFUN([LC_CONFIG_RMTCLIENT],
 489 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
 490         AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
 491 ])
 492 ])
 493
 494 AC_DEFUN([LC_SUNRPC_CACHE],
 495 [AC_MSG_CHECKING([if sunrpc struct cache_head uses kref])
 496 LB_LINUX_TRY_COMPILE([
 497         #include <linux/sunrpc/cache.h>
 498 ],[
 499         struct cache_head ch;
 500         &ch.ref.refcount;
 501 ],[
 502         AC_MSG_RESULT([yes])
 503         AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2])
 504 ],[
 505         AC_MSG_RESULT([no])
 506 ])
 507 ])
 508
 509 AC_DEFUN([LC_CONFIG_SUNRPC],
 510 [LB_LINUX_CONFIG_IM([SUNRPC],[],
 511                     [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
 512  LC_SUNRPC_CACHE
 513 ])
 514
 515 #
 516 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
 517 #
 518 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
 519 [AC_MSG_CHECKING([whether to enable gss keyring backend])
 520  AC_ARG_ENABLE([gss_keyring],
 521                [AC_HELP_STRING([--disable-gss-keyring],
 522                                [disable gss keyring backend])],
 523                [],[enable_gss_keyring='yes'])
 524  AC_MSG_RESULT([$enable_gss_keyring])
 525
 526  if test x$enable_gss_keyring != xno; then
 527         LB_LINUX_CONFIG_IM([KEYS],[],
 528                            [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
 529
 530         AC_CHECK_LIB([keyutils], [keyctl_search], [],
 531                      [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
 532
 533         AC_DEFINE([HAVE_GSS_KEYRING], [1],
 534                   [Define this if you enable gss keyring backend])
 535  fi
 536 ])
 537
 538 #
 539 # LC_CONFIG_GSS (default disabled)
 540 #
 541 # Build gss and related tools of Lustre. Currently both kernel and user space
 542 # parts are depend on linux platform.
 543 #
 544 AC_DEFUN([LC_CONFIG_GSS],
 545 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
 546  AC_ARG_ENABLE([gss],
 547                [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
 548                [],[enable_gss='no'])
 549  AC_MSG_RESULT([$enable_gss])
 550
 551  if test x$enable_gss == xyes; then
 552         LC_CONFIG_GSS_KEYRING
 553         LC_CONFIG_SUNRPC
 554
 555         AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
 556
 557         LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
 558                            [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
 559         LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
 560                            [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
 561         LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
 562                            [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
 563         LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
 564                            [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
 565
 566         AC_CHECK_LIB([gssapi], [gss_init_sec_context],
 567                      [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
 568                      [AC_CHECK_LIB([gssglue], [gss_init_sec_context],
 569                                    [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
 570                                    [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
 571
 572         AC_SUBST(GSSAPI_LIBS)
 573
 574         AC_KERBEROS_V5
 575  fi
 576 ])
 577
 578 # LC_EXPORT_SYNCHRONIZE_RCU
 579 # after 2.6.12 synchronize_rcu is preferred over synchronize_kernel
 580 AC_DEFUN([LC_EXPORT_SYNCHRONIZE_RCU],
 581 [LB_CHECK_SYMBOL_EXPORT([synchronize_rcu],
 582 [kernel/rcupdate.c],[
 583         AC_DEFINE(HAVE_SYNCHRONIZE_RCU, 1,
 584                 [in 2.6.12 synchronize_rcu preferred over synchronize_kernel])
 585 ],[
 586 ])
 587 ])
 588
 589 # LC_INODE_I_MUTEX
 590 # after 2.6.15 inode have i_mutex intead of i_sem
 591 AC_DEFUN([LC_INODE_I_MUTEX],
 592 [AC_MSG_CHECKING([if inode has i_mutex ])
 593 LB_LINUX_TRY_COMPILE([
 594         #include <linux/mutex.h>
 595         #include <linux/fs.h>
 596         #undef i_mutex
 597 ],[
 598         struct inode i;
 599
 600         mutex_unlock(&i.i_mutex);
 601 ],[
 602         AC_MSG_RESULT(yes)
 603         AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
 604                 [after 2.6.15 inode have i_mutex intead of i_sem])
 605 ],[
 606         AC_MSG_RESULT(no)
 607 ])
 608 ])
 609
 610 # LC_SEQ_LOCK
 611 # after 2.6.18 seq_file has lock intead of sem
 612 AC_DEFUN([LC_SEQ_LOCK],
 613 [AC_MSG_CHECKING([if struct seq_file has lock field])
 614 LB_LINUX_TRY_COMPILE([
 615         #include <linux/seq_file.h>
 616 ],[
 617         struct seq_file seq;
 618
 619         mutex_unlock(&seq.lock);
 620 ],[
 621         AC_MSG_RESULT(yes)
 622         AC_DEFINE(HAVE_SEQ_LOCK, 1,
 623                 [after 2.6.18 seq_file has lock intead of sem])
 624 ],[
 625         AC_MSG_RESULT(NO)
 626 ])
 627 ])
 628
 629 # LC_DQUOTOFF_MUTEX
 630 # after 2.6.17 dquote use mutex instead if semaphore
 631 AC_DEFUN([LC_DQUOTOFF_MUTEX],
 632 [AC_MSG_CHECKING([use dqonoff_mutex])
 633 LB_LINUX_TRY_COMPILE([
 634         #include <linux/mutex.h>
 635         #include <linux/fs.h>
 636         #include <linux/quota.h>
 637 ],[
 638         struct quota_info dq;
 639
 640         mutex_unlock(&dq.dqonoff_mutex);
 641 ],[
 642         AC_MSG_RESULT(yes)
 643         AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
 644                 [after 2.6.17 dquote use mutex instead if semaphore])
 645 ],[
 646         AC_MSG_RESULT(no)
 647 ])
 648 ])
 649
 650 #
 651 # LC_STATFS_DENTRY_PARAM
 652 # starting from 2.6.18 linux kernel uses dentry instead of
 653 # super_block for first vfs_statfs argument
 654 #
 655 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
 656 [AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
 657 LB_LINUX_TRY_COMPILE([
 658         #include <linux/fs.h>
 659 ],[
 660         int vfs_statfs(struct dentry *, struct kstatfs *);
 661 ],[
 662         AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
 663                 [first parameter of vfs_statfs is dentry])
 664         AC_MSG_RESULT([yes])
 665 ],[
 666         AC_MSG_RESULT([no])
 667 ])
 668 ])
 669
 670 #
 671 # LC_VFS_KERN_MOUNT
 672 # starting from 2.6.18 kernel don't export do_kern_mount
 673 # and want to use vfs_kern_mount instead.
 674 #
 675 AC_DEFUN([LC_VFS_KERN_MOUNT],
 676 [AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
 677 LB_LINUX_TRY_COMPILE([
 678         #include <linux/mount.h>
 679 ],[
 680         vfs_kern_mount(NULL, 0, NULL, NULL);
 681 ],[
 682         AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
 683                 [vfs_kern_mount exist in kernel])
 684         AC_MSG_RESULT([yes])
 685 ],[
 686         AC_MSG_RESULT([no])
 687 ])
 688 ])
 689
 690 #
 691 # LC_INVALIDATEPAGE_RETURN_INT
 692 # 2.6.17 changes return type for invalidatepage to 'void' from 'int'
 693 #
 694 AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
 695 [AC_MSG_CHECKING([invalidatepage has return int])
 696 LB_LINUX_TRY_COMPILE([
 697         #include <linux/buffer_head.h>
 698 ],[
 699         int rc = block_invalidatepage(NULL, 0);
 700 ],[
 701         AC_MSG_RESULT(yes)
 702         AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
 703                 [Define if return type of invalidatepage should be int])
 704 ],[
 705         AC_MSG_RESULT(no)
 706 ])
 707 ])
 708
 709 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
 710 # after 2.6.18 umount_begin has different parameters
 711 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
 712 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
 713 tmp_flags="$EXTRA_KCFLAGS"
 714 EXTRA_KCFLAGS="-Werror"
 715 LB_LINUX_TRY_COMPILE([
 716         #include <linux/fs.h>
 717
 718         struct vfsmount;
 719         static void cfg_umount_begin (struct vfsmount *v, int flags)
 720         {
 721                 ;
 722         }
 723
 724         static struct super_operations cfg_super_operations = {
 725                 .umount_begin   = cfg_umount_begin,
 726         };
 727 ],[
 728         cfg_super_operations.umount_begin(NULL,0);
 729 ],[
 730         AC_MSG_RESULT(yes)
 731         AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
 732                 [Define umount_begin need second argument])
 733 ],[
 734         AC_MSG_RESULT(no)
 735 ])
 736 EXTRA_KCFLAGS="$tmp_flags"
 737 ])
 738
 739 # inode have i_private field since 2.6.17
 740 AC_DEFUN([LC_INODE_IPRIVATE],
 741 [AC_MSG_CHECKING([if inode has a i_private field])
 742 LB_LINUX_TRY_COMPILE([
 743 #include <linux/fs.h>
 744 ],[
 745         struct inode i;
 746         i.i_private = NULL;
 747 ],[
 748         AC_MSG_RESULT(yes)
 749         AC_DEFINE(HAVE_INODE_IPRIVATE, 1,
 750                 [struct inode has i_private field])
 751 ],[
 752         AC_MSG_RESULT(no)
 753 ])
 754 ])
 755
 756 # 2.6.19 API changes
 757 # inode don't have i_blksize field
 758 AC_DEFUN([LC_INODE_BLKSIZE],
 759 [AC_MSG_CHECKING([inode has i_blksize field])
 760 LB_LINUX_TRY_COMPILE([
 761 #include <linux/fs.h>
 762 ],[
 763         struct inode i;
 764         i.i_blksize = 0;
 765 ],[
 766         AC_MSG_RESULT(yes)
 767         AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
 768                 [struct inode has i_blksize field])
 769 ],[
 770         AC_MSG_RESULT(no)
 771 ])
 772 ])
 773
 774 # LC_VFS_READDIR_U64_INO
 775 # 2.6.19 use u64 for inode number instead of inode_t
 776 AC_DEFUN([LC_VFS_READDIR_U64_INO],
 777 [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
 778 tmp_flags="$EXTRA_KCFLAGS"
 779 EXTRA_KCFLAGS="-Werror"
 780 LB_LINUX_TRY_COMPILE([
 781 #include <linux/fs.h>
 782         int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
 783                       u64 ino, unsigned int d_type)
 784         {
 785                 return 0;
 786         }
 787 ],[
 788         filldir_t filter;
 789
 790         filter = fillonedir;
 791         return 1;
 792 ],[
 793         AC_MSG_RESULT(yes)
 794         AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
 795                 [if vfs_readdir need 64bit inode number])
 796 ],[
 797         AC_MSG_RESULT(no)
 798 ])
 799 EXTRA_KCFLAGS="$tmp_flags"
 800 ])
 801
 802 # LC_FILE_WRITEV
 803 # 2.6.19 replaced writev with aio_write
 804 AC_DEFUN([LC_FILE_WRITEV],
 805 [AC_MSG_CHECKING([writev in fops])
 806 LB_LINUX_TRY_COMPILE([
 807         #include <linux/fs.h>
 808 ],[
 809         struct file_operations *fops = NULL;
 810         fops->writev = NULL;
 811 ],[
 812         AC_MSG_RESULT(yes)
 813         AC_DEFINE(HAVE_FILE_WRITEV, 1,
 814                 [use fops->writev])
 815 ],[
 816         AC_MSG_RESULT(no)
 817 ])
 818 ])
 819
 820 # LC_GENERIC_FILE_READ
 821 # 2.6.19 replaced readv with aio_read
 822 AC_DEFUN([LC_FILE_READV],
 823 [AC_MSG_CHECKING([readv in fops])
 824 LB_LINUX_TRY_COMPILE([
 825         #include <linux/fs.h>
 826 ],[
 827         struct file_operations *fops = NULL;
 828         fops->readv = NULL;
 829 ],[
 830         AC_MSG_RESULT(yes)
 831         AC_DEFINE(HAVE_FILE_READV, 1,
 832                 [use fops->readv])
 833 ],[
 834         AC_MSG_RESULT(no)
 835 ])
 836 ])
 837
 838 # LC_NR_PAGECACHE
 839 # 2.6.18 don't export nr_pagecahe
 840 AC_DEFUN([LC_NR_PAGECACHE],
 841 [AC_MSG_CHECKING([kernel export nr_pagecache])
 842 LB_LINUX_TRY_COMPILE([
 843         #include <linux/pagemap.h>
 844 ],[
 845         return atomic_read(&nr_pagecache);
 846 ],[
 847         AC_MSG_RESULT(yes)
 848         AC_DEFINE(HAVE_NR_PAGECACHE, 1,
 849                 [is kernel export nr_pagecache])
 850 ],[
 851         AC_MSG_RESULT(no)
 852 ])
 853 ])
 854
 855 # LC_CANCEL_DIRTY_PAGE
 856 # 2.6.20 introduse cancel_dirty_page instead of
 857 # clear_page_dirty.
 858 AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
 859 [AC_MSG_CHECKING([kernel has cancel_dirty_page])
 860 LB_LINUX_TRY_COMPILE([
 861         #include <linux/mm.h>
 862         #include <linux/page-flags.h>
 863 ],[
 864         /* tmp workaround for broken OFED 1.4.1 at SLES10 */
 865         #if defined(CONFIG_SLE_VERSION) && CONFIG_SLE_VERSION == 10 && defined(_BACKPORT_LINUX_MM_H_)
 866         #error badly implementation of cancel_dirty_pages
 867         #endif
 868         cancel_dirty_page(NULL, 0);
 869 ],[
 870         AC_MSG_RESULT(yes)
 871         AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
 872                   [kernel has cancel_dirty_page instead of clear_page_dirty])
 873 ],[
 874         AC_MSG_RESULT(no)
 875 ])
 876 ])
 877
 878 #
 879 # LC_PAGE_CONSTANT
 880 #
 881 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
 882 # it support constant page, which means the page won't be modified during the
 883 # IO.
 884 #
 885 AC_DEFUN([LC_PAGE_CONSTANT],
 886 [AC_MSG_CHECKING([if kernel have PageConstant defined])
 887 LB_LINUX_TRY_COMPILE([
 888         #include <linux/mm.h>
 889         #include <linux/page-flags.h>
 890 ],[
 891         #ifndef PG_constant
 892         #error "Have no raid5 zcopy patch"
 893         #endif
 894 ],[
 895         AC_MSG_RESULT(yes)
 896         AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
 897 ],[
 898         AC_MSG_RESULT(no);
 899 ])
 900 ])
 901
 902 # RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
 903 AC_DEFUN([LC_PG_FS_MISC],
 904 [AC_MSG_CHECKING([kernel has PG_fs_misc])
 905 LB_LINUX_TRY_COMPILE([
 906         #include <linux/mm.h>
 907         #include <linux/page-flags.h>
 908 ],[
 909         #ifndef PG_fs_misc
 910         #error PG_fs_misc not defined in kernel
 911         #endif
 912 ],[
 913         AC_MSG_RESULT(yes)
 914         AC_DEFINE(HAVE_PG_FS_MISC, 1,
 915                   [is kernel have PG_fs_misc])
 916 ],[
 917         AC_MSG_RESULT(no)
 918 ])
 919 ])
 920
 921 # RHEL5 PageChecked and SetPageChecked defined
 922 AC_DEFUN([LC_PAGE_CHECKED],
 923 [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
 924 LB_LINUX_TRY_COMPILE([
 925         #include <linux/autoconf.h>
 926 #ifdef HAVE_LINUX_MMTYPES_H
 927         #include <linux/mm_types.h>
 928 #endif
 929         #include <linux/page-flags.h>
 930 ],[
 931         struct page *p;
 932
 933         /* before 2.6.26 this define*/
 934         #ifndef PageChecked
 935         /* 2.6.26 use function instead of define for it */
 936         SetPageChecked(p);
 937         PageChecked(p);
 938         #endif
 939 ],[
 940         AC_MSG_RESULT(yes)
 941         AC_DEFINE(HAVE_PAGE_CHECKED, 1,
 942                   [does kernel have PageChecked and SetPageChecked])
 943 ],[
 944         AC_MSG_RESULT(no)
 945 ])
 946 ])
 947
 948 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
 949 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
 950 [mm/truncate.c],[
 951 AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
 952             [kernel export truncate_complete_page])
 953 ],[
 954 ])
 955 ])
 956
 957 AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE],
 958 [LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range],
 959 [mm/truncate.c],[
 960 AC_DEFINE(HAVE_TRUNCATE_RANGE, 1,
 961             [kernel export truncate_inode_pages_range])
 962 ],[
 963 ])
 964 ])
 965
 966 AC_DEFUN([LC_EXPORT_D_REHASH_COND],
 967 [LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
 968 [fs/dcache.c],[
 969 AC_DEFINE(HAVE_D_REHASH_COND, 1,
 970             [d_rehash_cond is exported by the kernel])
 971 ],[
 972 ])
 973 ])
 974
 975 AC_DEFUN([LC_EXPORT___D_REHASH],
 976 [LB_CHECK_SYMBOL_EXPORT([__d_rehash],
 977 [fs/dcache.c],[
 978 AC_DEFINE(HAVE___D_REHASH, 1,
 979             [__d_rehash is exported by the kernel])
 980 ],[
 981 ])
 982 ])
 983
 984 AC_DEFUN([LC_EXPORT_D_MOVE_LOCKED],
 985 [LB_CHECK_SYMBOL_EXPORT([d_move_locked],
 986 [fs/dcache.c],[
 987 AC_DEFINE(HAVE_D_MOVE_LOCKED, 1,
 988             [d_move_locked is exported by the kernel])
 989 ],[
 990 ])
 991 ])
 992
 993 AC_DEFUN([LC_EXPORT___D_MOVE],
 994 [LB_CHECK_SYMBOL_EXPORT([__d_move],
 995 [fs/dcache.c],[
 996 AC_DEFINE(HAVE___D_MOVE, 1,
 997             [__d_move is exported by the kernel])
 998 ],[
 999 ])
1000 ])
1001
1002 #
1003 # LC_EXPORT_INVALIDATE_MAPPING_PAGES
1004 #
1005 # SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but
1006 # SLES10 2.6.16 does not, for some reason.  For filter cache invalidation.
1007 #
1008 AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES],
1009     [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [
1010          AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1,
1011                         [exported invalidate_mapping_pages])],
1012     [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [
1013          AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1,
1014                         [exported invalidate_inode_pages])], [
1015        AC_MSG_ERROR([no way to invalidate pages])
1016   ])
1017     ],[])
1018 ])
1019
1020 #
1021 # LC_EXPORT_FILEMAP_FDATASYNC_RANGE
1022 #
1023 # No standard kernels export this
1024 #
1025 AC_DEFUN([LC_EXPORT_FILEMAP_FDATAWRITE_RANGE],
1026 [LB_CHECK_SYMBOL_EXPORT([filemap_fdatawrite_range],
1027 [mm/filemap.c],[
1028 AC_DEFINE(HAVE_FILEMAP_FDATAWRITE_RANGE, 1,
1029             [filemap_fdatawrite_range is exported by the kernel])
1030 ],[
1031 ])
1032 ])
1033
1034 # The actual symbol exported varies among architectures, so we need
1035 # to check many symbols (but only in the current architecture.)  No
1036 # matter what symbol is exported, the kernel #defines node_to_cpumask
1037 # to the appropriate function and that's what we use.
1038 AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
1039          [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
1040                                  [arch/$LINUX_ARCH/mm/numa.c],
1041                                  [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1042                                             [node_to_cpumask is exported by
1043                                              the kernel])]) # x86_64
1044           LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
1045                                  [arch/$LINUX_ARCH/kernel/smpboot.c],
1046                                  [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1047                                             [node_to_cpumask is exported by
1048                                              the kernel])]) # ia64
1049           LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
1050                                  [arch/$LINUX_ARCH/kernel/smpboot.c],
1051                                  [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1052                                             [node_to_cpumask is exported by
1053                                              the kernel])]) # i386
1054           ])
1055
1056 # 2.6.22 lost second parameter for invalidate_bdev
1057 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
1058 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
1059 LB_LINUX_TRY_COMPILE([
1060         #include <linux/buffer_head.h>
1061 ],[
1062         invalidate_bdev(NULL,0);
1063 ],[
1064         AC_MSG_RESULT([yes])
1065         AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
1066                 [invalidate_bdev has second argument])
1067 ],[
1068         AC_MSG_RESULT([no])
1069 ])
1070 ])
1071
1072 # 2.6.18
1073
1074
1075 # 2.6.23 have return type 'void' for unregister_blkdev
1076 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
1077 [AC_MSG_CHECKING([if unregister_blkdev return int])
1078 LB_LINUX_TRY_COMPILE([
1079         #include <linux/fs.h>
1080 ],[
1081         int i = unregister_blkdev(0,NULL);
1082 ],[
1083         AC_MSG_RESULT([yes])
1084         AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
1085                 [unregister_blkdev return int])
1086 ],[
1087         AC_MSG_RESULT([no])
1088 ])
1089 ])
1090
1091 # 2.6.23 change .sendfile to .splice_read
1092 # RHEL4 (-92 kernel) have both sendfile and .splice_read API
1093 AC_DEFUN([LC_KERNEL_SENDFILE],
1094 [AC_MSG_CHECKING([if kernel has .sendfile])
1095 LB_LINUX_TRY_COMPILE([
1096         #include <linux/fs.h>
1097 ],[
1098         struct file_operations file;
1099
1100         file.sendfile = NULL;
1101 ], [
1102         AC_MSG_RESULT([yes])
1103         AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
1104                 [kernel has .sendfile])
1105 ],[
1106         AC_MSG_RESULT([no])
1107 ])
1108 ])
1109
1110 # 2.6.23 change .sendfile to .splice_read
1111 AC_DEFUN([LC_KERNEL_SPLICE_READ],
1112 [AC_MSG_CHECKING([if kernel has .splice_read])
1113 LB_LINUX_TRY_COMPILE([
1114         #include <linux/fs.h>
1115 ],[
1116         struct file_operations file;
1117
1118         file.splice_read = NULL;
1119 ], [
1120         AC_MSG_RESULT([yes])
1121         AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
1122                 [kernel has .slice_read])
1123 ],[
1124         AC_MSG_RESULT([no])
1125 ])
1126 ])
1127
1128 # 2.6.23 extract nfs export related data into exportfs.h
1129 AC_DEFUN([LC_HAVE_EXPORTFS_H],
1130 [LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [
1131         AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1,
1132                 [kernel has include/exportfs.h])
1133 ],[
1134         AC_MSG_RESULT([no])
1135 ])
1136 ])
1137
1138 # 2.6.23 has new page fault handling API
1139 AC_DEFUN([LC_VM_OP_FAULT],
1140 [AC_MSG_CHECKING([kernel has .fault in vm_operation_struct])
1141 LB_LINUX_TRY_COMPILE([
1142         #include <linux/mm.h>
1143 ],[
1144         struct vm_operations_struct op;
1145
1146         op.fault = NULL;
1147 ], [
1148         AC_MSG_RESULT([yes])
1149         AC_DEFINE(HAVE_VM_OP_FAULT, 1,
1150                 [kernel has .fault in vm_operation_struct])
1151 ],[
1152         AC_MSG_RESULT([no])
1153 ])
1154 ])
1155
1156 #2.6.23 has new shrinker API
1157 AC_DEFUN([LC_REGISTER_SHRINKER],
1158 [AC_MSG_CHECKING([if kernel has register_shrinker])
1159 LB_LINUX_TRY_COMPILE([
1160         #include <linux/mm.h>
1161 ],[
1162         register_shrinker(NULL);
1163 ], [
1164         AC_MSG_RESULT([yes])
1165         AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
1166                 [kernel has register_shrinker])
1167 ],[
1168         AC_MSG_RESULT([no])
1169 ])
1170 ])
1171
1172 # 2.6.24 has bio_endio with 2 args
1173 AC_DEFUN([LC_BIO_ENDIO_2ARG],
1174 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
1175 LB_LINUX_TRY_COMPILE([
1176         #include <linux/bio.h>
1177 ],[
1178         bio_endio(NULL, 0);
1179 ], [
1180         AC_MSG_RESULT([yes])
1181         AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
1182                 [kernel has bio_endio with 2 args])
1183 ],[
1184         AC_MSG_RESULT([no])
1185 ])
1186 ])
1187
1188 # 2.6.24 has new members in exports struct.
1189 AC_DEFUN([LC_FH_TO_DENTRY],
1190 [AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
1191 LB_LINUX_TRY_COMPILE([
1192 #ifdef HAVE_LINUX_EXPORTFS_H
1193         #include <linux/exportfs.h>
1194 #else
1195         #include <linux/fs.h>
1196 #endif
1197 ],[
1198         struct export_operations exp;
1199
1200         exp.fh_to_dentry   = NULL;
1201 ], [
1202         AC_MSG_RESULT([yes])
1203         AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
1204                 [kernel has .fh_to_dentry member in export_operations struct])
1205 ],[
1206         AC_MSG_RESULT([no])
1207 ])
1208 ])
1209
1210 # 2.6.24 need linux/mm_types.h included
1211 AC_DEFUN([LC_HAVE_MMTYPES_H],
1212 [LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [
1213         AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1,
1214                 [kernel has include/mm_types.h])
1215 ],[
1216         AC_MSG_RESULT([no])
1217 ])
1218 ])
1219
1220 # 2.6.24 removes long aged procfs entry -> deleted member
1221 AC_DEFUN([LC_PROCFS_DELETED],
1222 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
1223 LB_LINUX_TRY_COMPILE([
1224         #include <linux/proc_fs.h>
1225 ],[
1226         struct proc_dir_entry pde;
1227
1228         pde.deleted   = NULL;
1229 ], [
1230         AC_MSG_RESULT([yes])
1231         AC_DEFINE(HAVE_PROCFS_DELETED, 1,
1232                 [kernel has deleted member in procfs entry struct])
1233 ],[
1234         AC_MSG_RESULT([no])
1235 ])
1236 ])
1237
1238 # 2.6.25 change define to inline
1239 AC_DEFUN([LC_MAPPING_CAP_WRITEBACK_DIRTY],
1240 [AC_MSG_CHECKING([if kernel have mapping_cap_writeback_dirty])
1241 LB_LINUX_TRY_COMPILE([
1242         #include <linux/backing-dev.h>
1243 ],[
1244         #ifndef mapping_cap_writeback_dirty
1245         mapping_cap_writeback_dirty(NULL);
1246         #endif
1247 ],[
1248         AC_MSG_RESULT([yes])
1249         AC_DEFINE(HAVE_MAPPING_CAP_WRITEBACK_DIRTY, 1,
1250                 [kernel have mapping_cap_writeback_dirty])
1251 ],[
1252         AC_MSG_RESULT([no])
1253 ])
1254 ])
1255
1256
1257
1258 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
1259 AC_DEFUN([LC_FS_STRUCT_USE_PATH],
1260 [AC_MSG_CHECKING([fs_struct use path structure])
1261 LB_LINUX_TRY_COMPILE([
1262         #include <asm/atomic.h>
1263         #include <linux/spinlock.h>
1264         #include <linux/fs_struct.h>
1265 ],[
1266         struct path path;
1267         struct fs_struct fs;
1268
1269         fs.pwd = path;
1270 ], [
1271         AC_MSG_RESULT([yes])
1272         AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
1273                 [fs_struct use path structure])
1274 ],[
1275         AC_MSG_RESULT([no])
1276 ])
1277 ])
1278
1279 #
1280 # LC_VFS_INTENT_PATCHES
1281 #
1282 # check if the kernel has the VFS intent patches
1283 AC_DEFUN([LC_VFS_INTENT_PATCHES],
1284 [AC_MSG_CHECKING([if the kernel has the VFS intent patches])
1285 LB_LINUX_TRY_COMPILE([
1286         #include <linux/fs.h>
1287         #include <linux/namei.h>
1288 ],[
1289         struct nameidata nd;
1290         struct lookup_intent *it;
1291
1292         it = &nd.intent;
1293         intent_init(it, IT_OPEN);
1294         it->d.lustre.it_disposition = 0;
1295         it->d.lustre.it_data = NULL;
1296 ],[
1297         AC_MSG_RESULT([yes])
1298         AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied])
1299 ],[
1300         AC_MSG_RESULT([no])
1301 ])
1302 ])
1303
1304 AC_DEFUN([LC_S_TIME_GRAN],
1305 [AC_MSG_CHECKING([if super block has s_time_gran member])
1306 LB_LINUX_TRY_COMPILE([
1307         #include <linux/fs.h>
1308 ],[
1309         struct super_block sb;
1310
1311         return sb.s_time_gran;
1312 ],[
1313         AC_MSG_RESULT([yes])
1314         AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
1315 ],[
1316         AC_MSG_RESULT([no])
1317 ])
1318 ])
1319
1320 AC_DEFUN([LC_SB_TIME_GRAN],
1321 [AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
1322 LB_LINUX_TRY_COMPILE([
1323         #include <linux/fs.h>
1324 ],[
1325         return get_sb_time_gran(NULL);
1326 ],[
1327         AC_MSG_RESULT([yes])
1328         AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
1329 ],[
1330         AC_MSG_RESULT([no])
1331 ])
1332 ])
1333
1334 #
1335 # LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1336 #
1337 # Check for our patched grab_cache_page_nowait_gfp() function
1338 # after 2.6.29 we can emulate this using add_to_page_cache_lru()
1339 #
1340 AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
1341 [LB_CHECK_SYMBOL_EXPORT([grab_cache_page_nowait_gfp],
1342 [mm/filemap.c],[
1343         AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
1344                   [kernel exports grab_cache_page_nowait_gfp])
1345         ],
1346         [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
1347         [mm/filemap.c],[
1348                 AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
1349                         [kernel exports add_to_page_cache_lru])
1350         ],[
1351         ])
1352         ])
1353 ])
1354
1355 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
1356 AC_DEFUN([LC_RW_TREE_LOCK],
1357 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
1358 tmp_flags="$EXTRA_KCFLAGS"
1359 EXTRA_KCFLAGS="-Werror"
1360 LB_LINUX_TRY_COMPILE([
1361         #include <linux/fs.h>
1362 ],[
1363         struct address_space a;
1364
1365         write_lock(&a.tree_lock);
1366 ],[
1367         AC_MSG_RESULT([yes])
1368         AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
1369 ],[
1370         AC_MSG_RESULT([no])
1371 ])
1372 EXTRA_KCFLAGS="$tmp_flags"
1373 ])
1374
1375 AC_DEFUN([LC_CONST_ACL_SIZE],
1376 [AC_MSG_CHECKING([calc acl size])
1377 tmp_flags="$CFLAGS"
1378 CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 $EXTRA_KCFLAGS"
1379 AC_TRY_RUN([
1380 #define __KERNEL__
1381 #include <linux/autoconf.h>
1382 #include <linux/types.h>
1383 #undef __KERNEL__
1384 // block include
1385 #define __LINUX_POSIX_ACL_H
1386
1387 # ifdef CONFIG_FS_POSIX_ACL
1388 #  ifdef HAVE_XATTR_ACL
1389 #   include <linux/xattr_acl.h>
1390 #  endif
1391 #  ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
1392 #   include <linux/posix_acl_xattr.h>
1393 #  endif
1394 # endif
1395
1396 #include <lustre_acl.h>
1397
1398 #include <stdio.h>
1399
1400 int main(void)
1401 {
1402     int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
1403     FILE *f = fopen("acl.size","w+");
1404     fprintf(f,"%d", size);
1405     fclose(f);
1406
1407     return 0;
1408 }
1409
1410 ],[
1411         acl_size=`cat acl.size`
1412         AC_MSG_RESULT([ACL size $acl_size])
1413         AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
1414 ],[
1415         AC_ERROR([ACL size can't computed])
1416 ])
1417 CFLAGS="$tmp_flags"
1418 ])
1419
1420 #
1421 # check for crypto API
1422 #
1423 AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
1424 [AC_MSG_CHECKING([if kernel has block cipher support])
1425 LB_LINUX_TRY_COMPILE([
1426         #include <linux/err.h>
1427         #include <linux/crypto.h>
1428 ],[
1429         struct crypto_blkcipher *tfm;
1430         tfm = crypto_alloc_blkcipher("aes", 0, 0 );
1431 ],[
1432         AC_MSG_RESULT([yes])
1433         AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
1434 ],[
1435         AC_MSG_RESULT([no])
1436 ])
1437 ])
1438
1439 #
1440 # check for struct hash_desc
1441 #
1442 AC_DEFUN([LC_STRUCT_HASH_DESC],
1443 [AC_MSG_CHECKING([if kernel has struct hash_desc])
1444 LB_LINUX_TRY_COMPILE([
1445         #include <linux/err.h>
1446         #include <linux/crypto.h>
1447 ],[
1448         struct hash_desc foo;
1449 ],[
1450         AC_MSG_RESULT([yes])
1451         AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
1452 ],[
1453         AC_MSG_RESULT([no])
1454 ])
1455 ])
1456
1457 #
1458 # check for struct blkcipher_desc
1459 #
1460 AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC],
1461 [AC_MSG_CHECKING([if kernel has struct blkcipher_desc])
1462 LB_LINUX_TRY_COMPILE([
1463         #include <linux/err.h>
1464         #include <linux/crypto.h>
1465 ],[
1466         struct blkcipher_desc foo;
1467 ],[
1468         AC_MSG_RESULT([yes])
1469         AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
1470 ],[
1471         AC_MSG_RESULT([no])
1472 ])
1473 ])
1474
1475 #
1476 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
1477 #
1478 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
1479 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
1480 LB_LINUX_TRY_COMPILE([
1481         #include <linux/fs.h>
1482 ],[
1483         int v = FS_RENAME_DOES_D_MOVE;
1484 ],[
1485         AC_MSG_RESULT([yes])
1486         AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
1487 ],[
1488         AC_MSG_RESULT([no])
1489 ])
1490 ])
1491
1492 #
1493 # LC_FUNC_F_OP_FLOCK
1494 #
1495 # rhel4.2 kernel has f_op->flock field
1496 #
1497 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
1498 [AC_MSG_CHECKING([if struct file_operations has flock field])
1499 LB_LINUX_TRY_COMPILE([
1500         #include <linux/fs.h>
1501 ],[
1502         struct file_operations ll_file_operations_flock;
1503         ll_file_operations_flock.flock = NULL;
1504 ],[
1505         AC_DEFINE(HAVE_F_OP_FLOCK, 1,
1506                 [struct file_operations has flock field])
1507         AC_MSG_RESULT([yes])
1508 ],[
1509         AC_MSG_RESULT([no])
1510 ])
1511 ])
1512
1513 # vfs_symlink seems to have started out with 3 args until 2.6.7 where a
1514 # "mode" argument was added, but then again, in some later version it was
1515 # removed
1516 AC_DEFUN([LC_4ARGS_VFS_SYMLINK],
1517 [AC_MSG_CHECKING([if vfs_symlink wants 4 args])
1518 LB_LINUX_TRY_COMPILE([
1519         #include <linux/fs.h>
1520 ],[
1521         struct inode *dir;
1522         struct dentry *dentry;
1523         const char *oldname = NULL;
1524         int mode = 0;
1525
1526         vfs_symlink(dir, dentry, oldname, mode);
1527 ],[
1528         AC_MSG_RESULT(yes)
1529         AC_DEFINE(HAVE_4ARGS_VFS_SYMLINK, 1,
1530                   [vfs_symlink wants 4 args])
1531 ],[
1532         AC_MSG_RESULT(no)
1533 ])
1534 ])
1535
1536 # 2.6.23 has new shrinker API
1537 AC_DEFUN([LC_REGISTER_SHRINKER],
1538 [LB_CHECK_SYMBOL_EXPORT([register_shrinker],
1539 [mm/vmscan.c],[
1540         AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
1541                   [kernel exports register_shrinker])
1542 ],[
1543 ])
1544 ])
1545
1546 #2.6.27
1547 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
1548 [AC_MSG_CHECKING([inode_operations->permission has two args])
1549 LB_LINUX_TRY_COMPILE([
1550         #include <linux/fs.h>
1551 ],[
1552         struct inode *inode;
1553
1554         inode->i_op->permission(NULL,0);
1555 ],[
1556         AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
1557                   [inode_operations->permission has two args])
1558         AC_MSG_RESULT([yes])
1559 ],[
1560         AC_MSG_RESULT([no])
1561 ])
1562 ])
1563
1564 # 2.6.27 has file_remove_suid instead of remove_suid
1565 AC_DEFUN([LC_FILE_REMOVE_SUID],
1566 [AC_MSG_CHECKING([kernel has file_remove_suid])
1567 LB_LINUX_TRY_COMPILE([
1568         #include <linux/fs.h>
1569 ],[
1570         file_remove_suid(NULL);
1571 ],[
1572         AC_DEFINE(HAVE_FILE_REMOVE_SUID, 1,
1573                   [kernel have file_remove_suid])
1574         AC_MSG_RESULT([yes])
1575 ],[
1576         AC_MSG_RESULT([no])
1577 ])
1578 ])
1579
1580 # 2.6.27 have new page locking API
1581 AC_DEFUN([LC_TRYLOCKPAGE],
1582 [AC_MSG_CHECKING([kernel uses trylock_page for page lock])
1583 LB_LINUX_TRY_COMPILE([
1584         #include <linux/pagemap.h>
1585 ],[
1586         trylock_page(NULL);
1587 ],[
1588         AC_DEFINE(HAVE_TRYLOCK_PAGE, 1,
1589                   [kernel uses trylock_page for page lock])
1590         AC_MSG_RESULT([yes])
1591 ],[
1592         AC_MSG_RESULT([no])
1593 ])
1594 ])
1595
1596 # vfs_symlink seems to have started out with 3 args until 2.6.7 where a
1597 # "mode" argument was added, but then again, in some later version it was
1598 # removed
1599 AC_DEFUN([LC_4ARGS_VFS_SYMLINK],
1600 [AC_MSG_CHECKING([if vfs_symlink wants 4 args])
1601 LB_LINUX_TRY_COMPILE([
1602         #include <linux/fs.h>
1603 ],[
1604         struct inode *dir;
1605         struct dentry *dentry;
1606         const char *oldname = NULL;
1607         int mode = 0;
1608
1609         vfs_symlink(dir, dentry, oldname, mode);
1610 ],[
1611         AC_MSG_RESULT(yes)
1612         AC_DEFINE(HAVE_4ARGS_VFS_SYMLINK, 1,
1613                   [vfs_symlink wants 4 args])
1614 ],[
1615         AC_MSG_RESULT(no)
1616 ])
1617 ])
1618
1619 # 2.6.27 sles11 remove the bi_hw_segments
1620 AC_DEFUN([LC_BI_HW_SEGMENTS],
1621 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
1622 LB_LINUX_TRY_COMPILE([
1623         #include <linux/bio.h>
1624 ],[
1625         struct bio io;
1626         io.bi_hw_segments = 0;
1627 ],[
1628         AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
1629                 [struct bio has a bi_hw_segments field])
1630         AC_MSG_RESULT([yes])
1631 ],[
1632         AC_MSG_RESULT([no])
1633 ])
1634 ])
1635
1636 # 2.6.27 sles11 move the quotaio_v1.h to fs
1637 AC_DEFUN([LC_HAVE_QUOTAIO_V1_H],
1638 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v1.h],[
1639         AC_DEFINE(HAVE_QUOTAIO_V1_H, 1,
1640                 [kernel has include/linux/quotaio_v1.h])
1641 ],[
1642         AC_MSG_RESULT([no])
1643 ])
1644 ])
1645
1646 # sles10 sp2 need 5 parameter for vfs_symlink
1647 AC_DEFUN([LC_VFS_SYMLINK_5ARGS],
1648 [AC_MSG_CHECKING([vfs_symlink need 5 parameter])
1649 LB_LINUX_TRY_COMPILE([
1650         #include <linux/fs.h>
1651 ],[
1652         struct inode *dir = NULL;
1653         struct dentry *dentry = NULL;
1654         struct vfsmount *mnt = NULL;
1655         const char * path = NULL;
1656         vfs_symlink(dir, dentry, mnt, path, 0);
1657 ],[
1658         AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1,
1659                 [vfs_symlink need 5 parameteres])
1660         AC_MSG_RESULT([yes])
1661 ],[
1662         AC_MSG_RESULT([no])
1663 ])
1664 ])
1665
1666 # 2.6.27 removed the read_inode from super_operations.
1667 AC_DEFUN([LC_READ_INODE_IN_SBOPS],
1668 [AC_MSG_CHECKING([super_operations has a read_inode field])
1669 LB_LINUX_TRY_COMPILE([
1670         #include <linux/fs.h>
1671 ],[
1672         struct super_operations *sop;
1673         sop->read_inode(NULL);
1674 ],[
1675         AC_DEFINE(HAVE_READ_INODE_IN_SBOPS, 1,
1676                 [super_operations has a read_inode])
1677         AC_MSG_RESULT([yes])
1678 ],[
1679         AC_MSG_RESULT([no])
1680 ])
1681 ])
1682
1683 # 2.6.27 sles11 has sb_any_quota_active
1684 AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
1685 [AC_MSG_CHECKING([Kernel has sb_any_quota_active])
1686 LB_LINUX_TRY_COMPILE([
1687         #include <linux/quotaops.h>
1688 ],[
1689         sb_any_quota_active(NULL);
1690 ],[
1691         AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
1692                 [Kernel has a sb_any_quota_active])
1693         AC_MSG_RESULT([yes])
1694 ],[
1695         AC_MSG_RESULT([no])
1696 ])
1697 ])
1698
1699 # 2.6.27 sles11 has sb_has_quota_active
1700 AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE],
1701 [AC_MSG_CHECKING([Kernel has sb_has_quota_active])
1702 LB_LINUX_TRY_COMPILE([
1703         #include <linux/quotaops.h>
1704 ],[
1705         sb_has_quota_active(NULL, 0);
1706 ],[
1707         AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1,
1708                 [Kernel has a sb_has_quota_active])
1709         AC_MSG_RESULT([yes])
1710 ],[
1711         AC_MSG_RESULT([no])
1712 ])
1713 ])
1714
1715 # 2.6.27 has inode_permission instead of permisson
1716 AC_DEFUN([LC_EXPORT_INODE_PERMISSION],
1717 [LB_CHECK_SYMBOL_EXPORT([inode_permission],
1718 [fs/namei.c],[
1719 AC_DEFINE(HAVE_EXPORT_INODE_PERMISSION, 1,
1720             [inode_permission is exported by the kernel])
1721 ],[
1722 ])
1723 ])
1724
1725 # 2.6.27 use 5th parameter in quota_on for remount.
1726 AC_DEFUN([LC_QUOTA_ON_5ARGS],
1727 [AC_MSG_CHECKING([quota_on needs 5 parameters])
1728 LB_LINUX_TRY_COMPILE([
1729         #include <linux/quota.h>
1730 ],[
1731         struct quotactl_ops *qop;
1732         qop->quota_on(NULL, 0, 0, NULL, 0);
1733 ],[
1734         AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
1735                 [quota_on needs 5 paramters])
1736         AC_MSG_RESULT([yes])
1737 ],[
1738         AC_MSG_RESULT([no])
1739 ])
1740 ])
1741
1742 # 2.6.27 use 3th parameter in quota_off for remount.
1743 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
1744 [AC_MSG_CHECKING([quota_off needs 3 parameters])
1745 LB_LINUX_TRY_COMPILE([
1746         #include <linux/quota.h>
1747 ],[
1748         struct quotactl_ops *qop;
1749         qop->quota_off(NULL, 0, 0);
1750 ],[
1751         AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
1752                 [quota_off needs 3 paramters])
1753         AC_MSG_RESULT([yes])
1754 ],[
1755         AC_MSG_RESULT([no])
1756 ])
1757 ])
1758
1759 # 2.6.27 has vfs_dq_off inline function.
1760 AC_DEFUN([LC_VFS_DQ_OFF],
1761 [AC_MSG_CHECKING([vfs_dq_off is defined])
1762 LB_LINUX_TRY_COMPILE([
1763         #include <linux/quotaops.h>
1764 ],[
1765         vfs_dq_off(NULL, 0);
1766 ],[
1767         AC_DEFINE(HAVE_VFS_DQ_OFF, 1, [vfs_dq_off is defined])
1768         AC_MSG_RESULT([yes])
1769 ],[
1770         AC_MSG_RESULT([no])
1771 ])
1772 ])
1773
1774 #
1775 # LC_LINUX_FIEMAP_H
1776 #
1777 # If we have fiemap.h
1778 # after 2.6.27 use fiemap.h in include/linux
1779 #
1780 AC_DEFUN([LC_LINUX_FIEMAP_H],
1781 [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
1782         AC_MSG_CHECKING([if fiemap.h can be compiled])
1783         LB_LINUX_TRY_COMPILE([
1784                 #include <linux/types.h>
1785                 #include <linux/fiemap.h>
1786         ],[],[
1787                 AC_MSG_RESULT([yes])
1788                 AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
1789         ],[
1790                 AC_MSG_RESULT([no])
1791         ])
1792 ],
1793 [])
1794 ])
1795
1796 #
1797 # LC_PROG_LINUX
1798 #
1799 # Lustre linux kernel checks
1800 #
1801 AC_DEFUN([LC_PROG_LINUX],
1802          [LC_LUSTRE_VERSION_H
1803          if test x$enable_server = xyes ; then
1804              AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
1805              LC_FUNC_DEV_SET_RDONLY
1806              LC_STACK_SIZE
1807              LC_CONFIG_BACKINGFS
1808          fi
1809          LC_CONFIG_PINGER
1810          LC_CONFIG_CHECKSUM
1811          LC_CONFIG_LIBLUSTRE_RECOVERY
1812          LC_CONFIG_HEALTH_CHECK_WRITE
1813          LC_CONFIG_LRU_RESIZE
1814          LC_QUOTA_MODULE
1815
1816          # RHEL4 patches
1817          LC_EXPORT_TRUNCATE_COMPLETE
1818          LC_EXPORT_TRUNCATE_RANGE
1819          LC_EXPORT_D_REHASH_COND
1820          LC_EXPORT___D_REHASH
1821          LC_EXPORT_D_MOVE_LOCKED
1822          LC_EXPORT___D_MOVE
1823          LC_EXPORT_NODE_TO_CPUMASK
1824
1825          LC_HEADER_LDISKFS_XATTR
1826          LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1827          LC_STRUCT_STATFS
1828          LC_FILEMAP_POPULATE
1829          LC_D_ADD_UNIQUE
1830          LC_BIT_SPINLOCK_H
1831
1832          LC_XATTR_ACL
1833          LC_POSIX_ACL_XATTR_H
1834          LC_CONST_ACL_SIZE
1835
1836          LC_STRUCT_INTENT_FILE
1837
1838          LC_CAPA_CRYPTO
1839          LC_CONFIG_RMTCLIENT
1840          LC_CONFIG_GSS
1841          LC_FUNC_MS_FLOCK_LOCK
1842          LC_FUNC_HAVE_CAN_SLEEP_ARG
1843          LC_FUNC_F_OP_FLOCK
1844          LC_QUOTA_READ
1845          LC_COOKIE_FOLLOW_LINK
1846          LC_FUNC_RCU
1847          LC_PERCPU_COUNTER
1848          LC_QUOTA64
1849          LC_4ARGS_VFS_SYMLINK
1850
1851          # does the kernel have VFS intent patches?
1852          LC_VFS_INTENT_PATCHES
1853
1854          # ~2.6.11
1855          LC_S_TIME_GRAN
1856          LC_SB_TIME_GRAN
1857
1858          # 2.6.12
1859          LC_RW_TREE_LOCK
1860          LC_EXPORT_SYNCHRONIZE_RCU
1861
1862          # 2.6.15
1863          LC_INODE_I_MUTEX
1864
1865          # 2.6.16
1866          LC_SECURITY_PLUG  # for SLES10 SP2
1867
1868          # 2.6.17
1869          LC_INODE_IPRIVATE
1870          LC_DQUOTOFF_MUTEX
1871
1872          # 2.6.18
1873          LC_NR_PAGECACHE
1874          LC_STATFS_DENTRY_PARAM
1875          LC_VFS_KERN_MOUNT
1876          LC_INVALIDATEPAGE_RETURN_INT
1877          LC_UMOUNTBEGIN_HAS_VFSMOUNT
1878          LC_SEQ_LOCK
1879          LC_EXPORT_FILEMAP_FDATAWRITE_RANGE
1880          if test x$enable_server = xyes ; then
1881                 LC_EXPORT_INVALIDATE_MAPPING_PAGES
1882          fi
1883
1884          #2.6.18 + RHEL5 (fc6)
1885          LC_PG_FS_MISC
1886          LC_PAGE_CHECKED
1887          LC_LINUX_FIEMAP_H
1888
1889          # 2.6.19
1890          LC_INODE_BLKSIZE
1891          LC_VFS_READDIR_U64_INO
1892          LC_FILE_WRITEV
1893          LC_FILE_READV
1894
1895          # 2.6.20
1896          LC_CANCEL_DIRTY_PAGE
1897
1898          # raid5-zerocopy patch
1899          LC_PAGE_CONSTANT
1900
1901          # 2.6.22
1902          LC_INVALIDATE_BDEV_2ARG
1903          LC_ASYNC_BLOCK_CIPHER
1904          LC_STRUCT_HASH_DESC
1905          LC_STRUCT_BLKCIPHER_DESC
1906          LC_FS_RENAME_DOES_D_MOVE
1907          # 2.6.23
1908          LC_UNREGISTER_BLKDEV_RETURN_INT
1909          LC_KERNEL_SPLICE_READ
1910          LC_KERNEL_SENDFILE
1911          LC_HAVE_EXPORTFS_H
1912          LC_VM_OP_FAULT
1913          LC_REGISTER_SHRINKER
1914
1915          # 2.6.24
1916          LC_HAVE_MMTYPES_H
1917          LC_BIO_ENDIO_2ARG
1918          LC_FH_TO_DENTRY
1919          LC_PROCFS_DELETED
1920
1921          #2.6.25
1922          LC_MAPPING_CAP_WRITEBACK_DIRTY
1923
1924          # 2.6.26
1925          LC_FS_STRUCT_USE_PATH
1926
1927          # 2.6.27
1928          LC_INODE_PERMISION_2ARGS
1929          LC_FILE_REMOVE_SUID
1930          LC_TRYLOCKPAGE
1931          LC_READ_INODE_IN_SBOPS
1932          LC_EXPORT_INODE_PERMISSION
1933          LC_QUOTA_ON_5ARGS
1934          LC_QUOTA_OFF_3ARGS
1935          LC_VFS_DQ_OFF
1936
1937          # 2.6.27.15-2 sles11
1938          LC_BI_HW_SEGMENTS
1939          LC_HAVE_QUOTAIO_V1_H
1940          LC_VFS_SYMLINK_5ARGS
1941          LC_SB_ANY_QUOTA_ACTIVE
1942          LC_SB_HAS_QUOTA_ACTIVE
1943 ])
1944
1945 #
1946 # LC_CONFIG_CLIENT_SERVER
1947 #
1948 # Build client/server sides of Lustre
1949 #
1950 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1951 [AC_MSG_CHECKING([whether to build Lustre server support])
1952 AC_ARG_ENABLE([server],
1953         AC_HELP_STRING([--disable-server],
1954                         [disable Lustre server support]),
1955         [],[enable_server='yes'])
1956 AC_MSG_RESULT([$enable_server])
1957
1958 AC_MSG_CHECKING([whether to build Lustre client support])
1959 AC_ARG_ENABLE([client],
1960         AC_HELP_STRING([--disable-client],
1961                         [disable Lustre client support]),
1962         [],[enable_client='yes'])
1963 AC_MSG_RESULT([$enable_client])])
1964
1965 #
1966 # LC_CONFIG_LIBLUSTRE
1967 #
1968 # whether to build liblustre
1969 #
1970 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1971 [AC_MSG_CHECKING([whether to build Lustre library])
1972 AC_ARG_ENABLE([liblustre],
1973         AC_HELP_STRING([--disable-liblustre],
1974                         [disable building of Lustre library]),
1975         [],[enable_liblustre=$with_sysio])
1976 AC_MSG_RESULT([$enable_liblustre])
1977 # only build sysio if liblustre is built
1978 with_sysio="$enable_liblustre"
1979
1980 AC_MSG_CHECKING([whether to build liblustre tests])
1981 AC_ARG_ENABLE([liblustre-tests],
1982         AC_HELP_STRING([--enable-liblustre-tests],
1983                         [enable liblustre tests, if --disable-tests is used]),
1984         [],[enable_liblustre_tests=$enable_tests])
1985 if test x$enable_liblustre != xyes ; then
1986    enable_liblustre_tests='no'
1987 fi
1988 AC_MSG_RESULT([$enable_liblustre_tests])
1989
1990 AC_MSG_CHECKING([whether to enable liblustre acl])
1991 AC_ARG_ENABLE([liblustre-acl],
1992         AC_HELP_STRING([--disable-liblustre-acl],
1993                         [disable ACL support for liblustre]),
1994         [],[enable_liblustre_acl=yes])
1995 AC_MSG_RESULT([$enable_liblustre_acl])
1996 if test x$enable_liblustre_acl = xyes ; then
1997   AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1998 fi
1999
2000 #
2001 # --enable-mpitest
2002 #
2003 AC_ARG_ENABLE(mpitests,
2004         AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
2005                            [include mpi tests]),
2006         [
2007          enable_mpitests=yes
2008          case $enableval in
2009          yes)
2010                 MPICC_WRAPPER=mpicc
2011                 ;;
2012          no)
2013                 enable_mpitests=no
2014                 ;;
2015          *)
2016                 MPICC_WRAPPER=$enableval
2017                  ;;
2018          esac
2019         ],
2020         [
2021         MPICC_WRAPPER=mpicc
2022         enable_mpitests=yes
2023         ]
2024 )
2025
2026 if test x$enable_mpitests != xno; then
2027         AC_MSG_CHECKING([whether mpitests can be built])
2028         oldcc=$CC
2029         CC=$MPICC_WRAPPER
2030         AC_LINK_IFELSE(
2031             [AC_LANG_PROGRAM([[
2032                     #include <mpi.h>
2033                 ]],[[
2034                     int flag;
2035                     MPI_Initialized(&flag);
2036                 ]])],
2037             [
2038                     AC_MSG_RESULT([yes])
2039             ],[
2040                     AC_MSG_RESULT([no])
2041                     enable_mpitests=no
2042         ])
2043         CC=$oldcc
2044 fi
2045 AC_SUBST(MPICC_WRAPPER)
2046
2047 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
2048 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
2049
2050 LC_CONFIG_PINGER
2051 LC_CONFIG_LIBLUSTRE_RECOVERY
2052 ])
2053
2054 AC_DEFUN([LC_CONFIG_LRU_RESIZE],
2055 [AC_MSG_CHECKING([whether to enable lru self-adjusting])
2056 AC_ARG_ENABLE([lru_resize],
2057         AC_HELP_STRING([--enable-lru-resize],
2058                         [enable lru resize support]),
2059         [],[enable_lru_resize='yes'])
2060 AC_MSG_RESULT([$enable_lru_resize])
2061 if test x$enable_lru_resize != xno; then
2062    AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
2063 fi
2064 ])
2065
2066 #
2067 # LC_CONFIG_QUOTA
2068 #
2069 # whether to enable quota support global control
2070 #
2071 AC_DEFUN([LC_CONFIG_QUOTA],
2072 [AC_ARG_ENABLE([quota],
2073         AC_HELP_STRING([--enable-quota],
2074                         [enable quota support]),
2075         [],[enable_quota='yes'])
2076 ])
2077
2078 # whether to enable quota support(kernel modules)
2079 AC_DEFUN([LC_QUOTA_MODULE],
2080 [if test x$enable_quota != xno; then
2081     LB_LINUX_CONFIG([QUOTA],[
2082         enable_quota_module='yes'
2083         AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
2084     ],[
2085         enable_quota_module='no'
2086         AC_MSG_WARN([quota is not enabled because the kernel - lacks quota support])
2087     ])
2088 fi
2089 ])
2090
2091 AC_DEFUN([LC_QUOTA],
2092 [#check global
2093 LC_CONFIG_QUOTA
2094 #check for utils
2095 AC_CHECK_HEADER(sys/quota.h,
2096                 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
2097                 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2098 ])
2099
2100 AC_DEFUN([LC_QUOTA_READ],
2101 [AC_MSG_CHECKING([if kernel supports quota_read])
2102 LB_LINUX_TRY_COMPILE([
2103         #include <linux/fs.h>
2104 ],[
2105         struct super_operations sp;
2106         void *i = (void *)sp.quota_read;
2107 ],[
2108         AC_MSG_RESULT([yes])
2109         AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
2110 ],[
2111         AC_MSG_RESULT([no])
2112 ])
2113 ])
2114
2115 #
2116 # LC_CONFIG_SPLIT
2117 #
2118 # whether to enable split support
2119 #
2120 AC_DEFUN([LC_CONFIG_SPLIT],
2121 [AC_MSG_CHECKING([whether to enable split support])
2122 AC_ARG_ENABLE([split],
2123         AC_HELP_STRING([--enable-split],
2124                         [enable split support]),
2125         [],[enable_split='no'])
2126 AC_MSG_RESULT([$enable_split])
2127 if test x$enable_split != xno; then
2128    AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
2129 fi
2130 ])
2131
2132 #
2133 # LC_COOKIE_FOLLOW_LINK
2134 #
2135 # kernel 2.6.13+ ->follow_link returns a cookie
2136 #
2137
2138 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
2139 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
2140 LB_LINUX_TRY_COMPILE([
2141         #include <linux/fs.h>
2142         #include <linux/namei.h>
2143 ],[
2144         struct dentry dentry;
2145         struct nameidata nd;
2146
2147         dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
2148 ],[
2149         AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
2150         AC_MSG_RESULT([yes])
2151 ],[
2152         AC_MSG_RESULT([no])
2153 ])
2154 ])
2155
2156 #
2157 # LC_FUNC_RCU
2158 #
2159 # kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
2160 # call_rcu takes three parameters.
2161 #
2162 AC_DEFUN([LC_FUNC_RCU],
2163 [AC_MSG_CHECKING([if kernel have RCU supported])
2164 LB_LINUX_TRY_COMPILE([
2165         #include <linux/rcupdate.h>
2166 ],[],[
2167         AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
2168         AC_MSG_RESULT([yes])
2169
2170         AC_MSG_CHECKING([if call_rcu takes three parameters])
2171         LB_LINUX_TRY_COMPILE([
2172                 #include <linux/rcupdate.h>
2173         ],[
2174                 struct rcu_head rh;
2175                 call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
2176         ],[
2177                 AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
2178                 AC_MSG_RESULT([yes])
2179         ],[
2180                 AC_MSG_RESULT([no])
2181         ])
2182
2183 ],[
2184         AC_MSG_RESULT([no])
2185 ])
2186 ])
2187
2188 #
2189 # LC_QUOTA64
2190 # linux kernel have 64-bit limits support
2191 #
2192 AC_DEFUN([LC_QUOTA64],
2193 [if test x$enable_quota_module = xyes -a x$enable_server = xyes ; then
2194         AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
2195         LB_LINUX_TRY_COMPILE([
2196                 #include <linux/kernel.h>
2197                 #include <linux/fs.h>
2198                 #include <linux/quotaio_v2.h>
2199                 int versions[] = V2_INITQVERSIONS_R1;
2200                 struct v2_disk_dqblk_r1 dqblk_r1;
2201         ],[],[
2202                 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
2203                 AC_MSG_RESULT([yes])
2204         ],[
2205         tmp_flags="$EXTRA_KCFLAGS"
2206         EXTRA_KCFLAGS="-I $LINUX/fs"
2207         LB_LINUX_TRY_COMPILE([
2208                 #include <linux/kernel.h>
2209                 #include <linux/fs.h>
2210                 #include <quotaio_v2.h>
2211                 struct v2r1_disk_dqblk dqblk_r1;
2212         ],[],[
2213                 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
2214                 AC_MSG_RESULT([yes])
2215         ],[
2216                 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
2217                         AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
2218                 ],[])
2219                 AC_MSG_RESULT([no])
2220         ])
2221         EXTRA_KCFLAGS=$tmp_flags
2222         ])
2223 fi
2224 ])
2225
2226 # LC_SECURITY_PLUG  # for SLES10 SP2
2227 # check security plug in sles10 sp2 kernel
2228 AC_DEFUN([LC_SECURITY_PLUG],
2229 [AC_MSG_CHECKING([If kernel has security plug support])
2230 LB_LINUX_TRY_COMPILE([
2231         #include <linux/fs.h>
2232 ],[
2233         struct dentry   *dentry;
2234         struct vfsmount *mnt;
2235         struct iattr    *iattr;
2236
2237         notify_change(dentry, mnt, iattr);
2238 ],[
2239         AC_MSG_RESULT(yes)
2240         AC_DEFINE(HAVE_SECURITY_PLUG, 1,
2241                 [SLES10 SP2 use extra parameter in vfs])
2242 ],[
2243         AC_MSG_RESULT(no)
2244 ])
2245 ])
2246
2247 AC_DEFUN([LC_PERCPU_COUNTER],
2248 [AC_MSG_CHECKING([if have struct percpu_counter defined])
2249 LB_LINUX_TRY_COMPILE([
2250         #include <linux/percpu_counter.h>
2251 ],[],[
2252         AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found])
2253         AC_MSG_RESULT([yes])
2254
2255         AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument])
2256         LB_LINUX_TRY_COMPILE([
2257                 #include <linux/percpu_counter.h>
2258         ],[
2259                 struct percpu_counter c;
2260                 percpu_counter_init(&c, 0);
2261         ],[
2262                 AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two
2263                                                    arguments])
2264                 AC_MSG_RESULT([yes])
2265         ],[
2266                 AC_MSG_RESULT([no])
2267         ])
2268 ],[
2269         AC_MSG_RESULT([no])
2270 ])
2271 ])
2272
2273 #
2274 # LC_CONFIGURE
2275 #
2276 # other configure checks
2277 #
2278 AC_DEFUN([LC_CONFIGURE],
2279 [LC_CONFIG_OBD_BUFFER_SIZE
2280
2281 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
2282         CFLAGS="$CFLAGS -Werror"
2283 fi
2284
2285 # include/liblustre.h
2286 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
2287
2288 # liblustre/llite_lib.h
2289 AC_CHECK_HEADERS([xtio.h file.h])
2290
2291 # liblustre/dir.c
2292 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
2293
2294 # liblustre/lutil.c
2295 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
2296 AC_CHECK_FUNCS([inet_ntoa])
2297
2298 # libsysio/src/readlink.c
2299 LC_READLINK_SSIZE_T
2300
2301 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
2302 AC_CHECK_HEADERS([linux/random.h], [], [],
2303                  [#ifdef HAVE_LINUX_TYPES_H
2304                   # include <linux/types.h>
2305                   #endif
2306                  ])
2307
2308 # utils/llverfs.c
2309 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2310
2311 # check for -lz support
2312 ZLIB=""
2313 AC_CHECK_LIB([z],
2314              [adler32],
2315              [AC_CHECK_HEADERS([zlib.h],
2316                                [ZLIB="-lz"
2317                                 AC_DEFINE([HAVE_ADLER], 1,
2318                                           [support alder32 checksum type])],
2319                                [AC_MSG_WARN([No zlib-devel package found,
2320                                              unable to use adler32 checksum])])],
2321              [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
2322 )
2323 AC_SUBST(ZLIB)
2324
2325 # Super safe df
2326 AC_ARG_ENABLE([mindf],
2327       AC_HELP_STRING([--enable-mindf],
2328                       [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2329       [],[])
2330 if test "$enable_mindf" = "yes" ;  then
2331       AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
2332 fi
2333
2334 AC_ARG_ENABLE([fail_alloc],
2335         AC_HELP_STRING([--disable-fail-alloc],
2336                 [disable randomly alloc failure]),
2337         [],[enable_fail_alloc=yes])
2338 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2339 AC_MSG_RESULT([$enable_fail_alloc])
2340 if test x$enable_fail_alloc != xno ; then
2341         AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
2342 fi
2343
2344 AC_ARG_ENABLE([invariants],
2345         AC_HELP_STRING([--enable-invariants],
2346                 [enable invariant checking (cpu intensive)]),
2347         [],[])
2348 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2349 AC_MSG_RESULT([$enable_invariants])
2350 if test x$enable_invariants = xyes ; then
2351         AC_DEFINE([INVARIANT_CHECK], 1, [enable invariant checking])
2352 fi
2353
2354 AC_ARG_ENABLE([lu_ref],
2355         AC_HELP_STRING([--enable-lu_ref],
2356                 [enable lu_ref reference tracking code]),
2357         [],[])
2358 AC_MSG_CHECKING([whether to track references with lu_ref])
2359 AC_MSG_RESULT([$enable_lu_ref])
2360 if test x$enable_lu_ref = xyes ; then
2361         AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
2362 fi
2363
2364 ])
2365
2366 #
2367 # LC_CONDITIONALS
2368 #
2369 # AM_CONDITIONALS for lustre
2370 #
2371 AC_DEFUN([LC_CONDITIONALS],
2372 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
2373 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
2374 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
2375 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2376 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2377 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2378 AM_CONDITIONAL(QUOTA, test x$enable_quota_module = xyes)
2379 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2380 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2381 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2382 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2383 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2384 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2385 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2386 ])
2387
2388 #
2389 # LC_CONFIG_FILES
2390 #
2391 # files that should be generated with AC_OUTPUT
2392 #
2393 AC_DEFUN([LC_CONFIG_FILES],
2394 [AC_CONFIG_FILES([
2395 lustre/Makefile
2396 lustre/autoMakefile
2397 lustre/autoconf/Makefile
2398 lustre/contrib/Makefile
2399 lustre/doc/Makefile
2400 lustre/include/Makefile
2401 lustre/include/lustre_ver.h
2402 lustre/include/linux/Makefile
2403 lustre/include/lustre/Makefile
2404 lustre/kernel_patches/targets/2.6-vanilla.target
2405 lustre/kernel_patches/targets/2.6-rhel4.target
2406 lustre/kernel_patches/targets/2.6-rhel5.target
2407 lustre/kernel_patches/targets/2.6-fc5.target
2408 lustre/kernel_patches/targets/2.6-patchless.target
2409 lustre/kernel_patches/targets/2.6-sles10.target
2410 lustre/kernel_patches/targets/2.6-sles11.target
2411 lustre/kernel_patches/targets/2.6-oel5.target
2412 lustre/ldlm/Makefile
2413 lustre/fid/Makefile
2414 lustre/fid/autoMakefile
2415 lustre/liblustre/Makefile
2416 lustre/liblustre/tests/Makefile
2417 lustre/liblustre/tests/mpi/Makefile
2418 lustre/llite/Makefile
2419 lustre/llite/autoMakefile
2420 lustre/lclient/Makefile
2421 lustre/lov/Makefile
2422 lustre/lov/autoMakefile
2423 lustre/lvfs/Makefile
2424 lustre/lvfs/autoMakefile
2425 lustre/mdc/Makefile
2426 lustre/mdc/autoMakefile
2427 lustre/lmv/Makefile
2428 lustre/lmv/autoMakefile
2429 lustre/mds/Makefile
2430 lustre/mds/autoMakefile
2431 lustre/mdt/Makefile
2432 lustre/mdt/autoMakefile
2433 lustre/cmm/Makefile
2434 lustre/cmm/autoMakefile
2435 lustre/mdd/Makefile
2436 lustre/mdd/autoMakefile
2437 lustre/fld/Makefile
2438 lustre/fld/autoMakefile
2439 lustre/obdclass/Makefile
2440 lustre/obdclass/autoMakefile
2441 lustre/obdclass/linux/Makefile
2442 lustre/obdecho/Makefile
2443 lustre/obdecho/autoMakefile
2444 lustre/obdfilter/Makefile
2445 lustre/obdfilter/autoMakefile
2446 lustre/osc/Makefile
2447 lustre/osc/autoMakefile
2448 lustre/ost/Makefile
2449 lustre/ost/autoMakefile
2450 lustre/osd/Makefile
2451 lustre/osd/autoMakefile
2452 lustre/mgc/Makefile
2453 lustre/mgc/autoMakefile
2454 lustre/mgs/Makefile
2455 lustre/mgs/autoMakefile
2456 lustre/ptlrpc/Makefile
2457 lustre/ptlrpc/autoMakefile
2458 lustre/ptlrpc/gss/Makefile
2459 lustre/ptlrpc/gss/autoMakefile
2460 lustre/quota/Makefile
2461 lustre/quota/autoMakefile
2462 lustre/scripts/Makefile
2463 lustre/tests/Makefile
2464 lustre/tests/mpi/Makefile
2465 lustre/utils/Makefile
2466 lustre/utils/gss/Makefile
2467 ])
2468 case $lb_target_os in
2469         darwin)
2470                 AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])
2471                 ;;
2472 esac
2473
2474 ])