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 ldiskfs_is_ext4="yes"
   9 ])
  10
  11 #
  12 # LC_PATH_DEFAULTS
  13 #
  14 # lustre specific paths
  15 #
  16 AC_DEFUN([LC_PATH_DEFAULTS], [
  17 # ptlrpc kernel build requires this
  18 LUSTRE="$PWD/lustre"
  19 AC_SUBST(LUSTRE)
  20
  21 # mount.lustre
  22 rootsbindir='/sbin'
  23 AC_SUBST(rootsbindir)
  24
  25 demodir='$(docdir)/demo'
  26 AC_SUBST(demodir)
  27
  28 pkgexampledir='${pkgdatadir}/examples'
  29 AC_SUBST(pkgexampledir)
  30 ]) # LC_PATH_DEFAULTS
  31
  32 #
  33 # LC_TARGET_SUPPORTED
  34 #
  35 # is the target os supported?
  36 #
  37 AC_DEFUN([LC_TARGET_SUPPORTED], [
  38 case $target_os in
  39         linux*)
  40 $1
  41                 ;;
  42         *)
  43 $2
  44                 ;;
  45 esac
  46 ]) # LC_TARGET_SUPPORTED
  47
  48 #
  49 # LC_GLIBC_SUPPORT_FHANDLES
  50 #
  51 AC_DEFUN([LC_GLIBC_SUPPORT_FHANDLES], [
  52 AC_CHECK_FUNCS([name_to_handle_at],
  53         [AC_DEFINE(HAVE_FHANDLE_GLIBC_SUPPORT, 1,
  54                 [file handle and related syscalls are supported])],
  55         [AC_MSG_WARN([file handle and related syscalls are not supported])])
  56 ]) # LC_GLIBC_SUPPORT_FHANDLES
  57
  58 #
  59 # LC_STACK_SIZE
  60 #
  61 # Ensure the stack size is at least 8k in Lustre server (all kernels)
  62 #
  63 AC_DEFUN([LC_STACK_SIZE], [
  64 LB_CHECK_COMPILE([if stack size is at least 8k],
  65 stack_size_8k, [
  66         #include <linux/thread_info.h>
  67 ], [
  68         #if THREAD_SIZE < 8192
  69         #error "stack size < 8192"
  70         #endif
  71 ], [], [AC_MSG_ERROR([
  72
  73 Lustre requires that Linux is configured with at least a 8KB stack.
  74 ])])
  75 ]) # LC_STACK_SIZE
  76
  77 #
  78 # LC_MDS_MAX_THREADS
  79 #
  80 # Allow the user to set the MDS thread upper limit
  81 #
  82 AC_DEFUN([LC_MDS_MAX_THREADS], [
  83 AC_MSG_CHECKING([for maximum number of MDS threads])
  84 AC_ARG_WITH([mds_max_threads],
  85         AC_HELP_STRING([--with-mds-max-threads=count],
  86                 [maximum threads available on the MDS: (default=512)]),
  87         [AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $with_mds_max_threads,
  88                 [maximum number of MDS threads])])
  89 AC_MSG_RESULT([$with_mds_max_threads])
  90 ]) # LC_MDS_MAX_THREADS
  91
  92 #
  93 # LC_CONFIG_PINGER
  94 #
  95 # the pinger is temporary, until we have the recovery node in place
  96 #
  97 AC_DEFUN([LC_CONFIG_PINGER], [
  98 AC_MSG_CHECKING([whether to enable Lustre pinger support])
  99 AC_ARG_ENABLE([pinger],
 100         AC_HELP_STRING([--disable-pinger],
 101                 [disable recovery pinger support]),
 102         [], [enable_pinger="yes"])
 103 AC_MSG_RESULT([$enable_pinger])
 104 AS_IF([test "x$enable_pinger" != xno],
 105         [AC_DEFINE(CONFIG_LUSTRE_PINGER, 1,[Use the Pinger])])
 106 ]) # LC_CONFIG_PINGER
 107
 108 #
 109 # LC_CONFIG_CHECKSUM
 110 #
 111 # do checksum of bulk data between client and OST
 112 #
 113 AC_DEFUN([LC_CONFIG_CHECKSUM], [
 114 AC_MSG_CHECKING([whether to enable data checksum support])
 115 AC_ARG_ENABLE([checksum],
 116         AC_HELP_STRING([--disable-checksum],
 117                 [disable data checksum support]),
 118         [], [enable_checksum="yes"])
 119 AC_MSG_RESULT([$enable_checksum])
 120 AS_IF([test "x$enable_checksum" != xno],
 121         [AC_DEFINE(ENABLE_CHECKSUM, 1, [do data checksums])])
 122 ]) # LC_CONFIG_CHECKSUM
 123
 124 #
 125 # LC_CONFIG_FLOCK
 126 #
 127 # enable distributed flock by default
 128 #
 129 AC_DEFUN([LC_CONFIG_FLOCK], [
 130 AC_MSG_CHECKING([whether to enable flock by default])
 131 AC_ARG_ENABLE([flock],
 132         AC_HELP_STRING([--disable-flock],
 133                 [disable flock by default]),
 134         [], [enable_flock="yes"])
 135 AC_MSG_RESULT([$enable_flock])
 136 AS_IF([test "x$enable_flock" != xno],
 137         [AC_DEFINE(ENABLE_FLOCK, 1, [enable flock by default])])
 138 ]) # LC_CONFIG_FLOCK
 139
 140 #
 141 # LC_CONFIG_HEALTH_CHECK_WRITE
 142 #
 143 # Turn off the actual write to the disk
 144 #
 145 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE], [
 146 AC_MSG_CHECKING([whether to enable a write with the health check])
 147 AC_ARG_ENABLE([health_write],
 148         AC_HELP_STRING([--enable-health_write],
 149                 [enable disk writes when doing health check]),
 150         [], [enable_health_write="no"])
 151 AC_MSG_RESULT([$enable_health_write])
 152 AS_IF([test "x$enable_health_write" != xno],
 153         [AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, [Write when Checking Health])])
 154 ]) # LC_CONFIG_HEALTH_CHECK_WRITE
 155
 156 #
 157 # LC_CONFIG_LRU_RESIZE
 158 #
 159 AC_DEFUN([LC_CONFIG_LRU_RESIZE], [
 160 AC_MSG_CHECKING([whether to enable lru self-adjusting])
 161 AC_ARG_ENABLE([lru_resize],
 162         AC_HELP_STRING([--enable-lru-resize],
 163                 [enable lru resize support]),
 164         [], [enable_lru_resize="yes"])
 165 AC_MSG_RESULT([$enable_lru_resize])
 166 AS_IF([test "x$enable_lru_resize" != xno],
 167         [AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])])
 168 ]) # LC_CONFIG_LRU_RESIZE
 169
 170 #
 171 # LC_QUOTA_CONFIG
 172 #
 173 # Quota support. The kernel must support CONFIG_QUOTA.
 174 #
 175 AC_DEFUN([LC_QUOTA_CONFIG], [
 176 LB_CHECK_CONFIG_IM([QUOTA], [],
 177         [AC_MSG_ERROR([
 178
 179 Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.
 180 ])])
 181 ]) # LC_QUOTA_CONFIG
 182
 183 #
 184 # LC_CONFIG_FHANDLE
 185 #
 186 # fhandle kernel support for open_by_handle_at() and name_to_handle_at()
 187 # system calls. The kernel must support CONFIG_FHANDLE.
 188 #
 189 AC_DEFUN([LC_CONFIG_FHANDLE], [
 190 LB_CHECK_CONFIG_IM([FHANDLE], [],
 191         [AC_MSG_ERROR([
 192
 193 Lustre fid handling requires that CONFIG_FHANDLE is enabled in your kernel.
 194 ])])
 195 ]) # LC_CONFIG_FHANDLE
 196
 197 #
 198 # LC_POSIX_ACL_CONFIG
 199 #
 200 # POSIX ACL support.
 201 #
 202 AC_DEFUN([LC_POSIX_ACL_CONFIG], [
 203 LB_CHECK_CONFIG_IM([FS_POSIX_ACL],
 204         [AC_DEFINE(CONFIG_LUSTRE_FS_POSIX_ACL, 1, [Enable POSIX acl])
 205 ], [ ])
 206 ]) # LC_POSIX_ACL_CONFIG
 207
 208 LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
 209                 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
 210
 211 #
 212 # LC_CONFIG_GSS_KEYRING
 213 #
 214 # default 'auto', tests for dependencies, if found, enables;
 215 # only called if gss is enabled
 216 #
 217 AC_DEFUN([LC_CONFIG_GSS_KEYRING], [
 218 AC_MSG_CHECKING([whether to enable gss keyring backend])
 219 AC_ARG_ENABLE([gss_keyring],
 220         [AC_HELP_STRING([--disable-gss-keyring],
 221                 [disable gss keyring backend])],
 222         [], [enable_gss_keyring="auto"])
 223 AC_MSG_RESULT([$enable_gss_keyring])
 224 AS_IF([test "x$enable_gss_keyring" != xno], [
 225         LB_CHECK_CONFIG_IM([KEYS], [], [
 226                 gss_keyring_conf_test="fail"
 227                 AC_MSG_WARN([GSS keyring backend requires that CONFIG_KEYS be enabled in your kernel.])])
 228
 229         AC_CHECK_LIB([keyutils], [keyctl_search], [], [
 230                 gss_keyring_conf_test="fail"
 231                 AC_MSG_WARN([GSS keyring backend requires libkeyutils])])
 232
 233         AS_IF([test "x$gss_keyring_conf_test" != xfail], [
 234                 AC_DEFINE([HAVE_GSS_KEYRING], [1],
 235                         [Define this if you enable gss keyring backend])
 236                 enable_gss_keyring="yes"
 237         ], [
 238                 AS_IF([test "x$enable_gss_keyring" = xyes], [
 239                         AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
 240                 ])
 241         ])
 242 ])
 243 ]) # LC_CONFIG_GSS_KEYRING
 244
 245 #
 246 # LC_KEY_TYPE_INSTANTIATE_2ARGS
 247 #
 248 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
 249 #
 250 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
 251 LB_CHECK_COMPILE([if 'key_type->instantiate' has two args],
 252 key_type_instantiate_2args, [
 253         #include <linux/key-type.h>
 254 ],[
 255         ((struct key_type *)0)->instantiate(0, NULL);
 256 ],[
 257         AC_DEFINE(HAVE_KEY_TYPE_INSTANTIATE_2ARGS, 1,
 258                 [key_type->instantiate has two args])
 259 ])
 260 ]) # LC_KEY_TYPE_INSTANTIATE_2ARGS
 261
 262 #
 263 # LC_CONFIG_SUNRPC
 264 #
 265 AC_DEFUN([LC_CONFIG_SUNRPC], [
 266 LB_CHECK_CONFIG_IM([SUNRPC], [], [
 267         AS_IF([test "x$sunrpc_required" = xyes], [
 268                 AC_MSG_ERROR([
 269
 270 kernel SUNRPC support is required by using GSS.
 271 ])
 272         ])])
 273 ]) # LC_CONFIG_SUNRPC
 274
 275 #
 276 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
 277 #
 278 # Build gss and related tools of Lustre. Currently both kernel and user space
 279 # parts are depend on linux platform.
 280 #
 281 AC_DEFUN([LC_CONFIG_GSS], [
 282 AC_MSG_CHECKING([whether to enable gss support])
 283 AC_ARG_ENABLE([gss],
 284         [AC_HELP_STRING([--enable-gss], [enable gss support])],
 285         [], [enable_gss="auto"])
 286 AC_MSG_RESULT([$enable_gss])
 287
 288 AS_IF([test "x$enable_gss" != xno], [
 289         LC_CONFIG_GSS_KEYRING
 290         LC_KEY_TYPE_INSTANTIATE_2ARGS
 291         sunrpc_required=$enable_gss
 292         LC_CONFIG_SUNRPC
 293         sunrpc_required="no"
 294
 295         LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
 296                 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
 297         LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
 298                 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
 299         LB_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
 300                 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
 301         LB_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
 302                 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
 303
 304         require_krb5=$enable_gss
 305         AC_KERBEROS_V5
 306         require_krb5="no"
 307
 308         AS_IF([test -n "$KRBDIR"], [
 309                 gss_conf_test="success"
 310         ], [
 311                 gss_conf_test="failure"
 312         ])
 313
 314         AS_IF([test "x$gss_conf_test" = xsuccess && test "x$enable_gss" != xno], [
 315                 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
 316                 enable_gss="yes"
 317         ], [
 318                 enable_gss_keyring="no"
 319                 enable_gss="no"
 320         ])
 321
 322         enable_ssk=$enable_gss
 323 ], [
 324         enable_gss_keyring="no"
 325 ])
 326 ]) # LC_CONFIG_GSS
 327
 328 # LC_OPENSSL_SSK
 329 #
 330 # OpenSSL 1.0+ return int for HMAC functions but older SLES11 versions do not
 331 AC_DEFUN([LC_OPENSSL_SSK], [
 332 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
 333 AS_IF([test "x$enable_ssk" != xno], [
 334 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 335         #include <openssl/hmac.h>
 336         #include <openssl/evp.h>
 337
 338         int main(void) {
 339                 int rc;
 340                 rc = HMAC_Init_ex(NULL, "test", 4, EVP_md_null(), NULL);
 341         }
 342 ])],[AC_DEFINE(HAVE_OPENSSL_SSK, 1,
 343                [OpenSSL HMAC functions needed for SSK])],
 344         [enable_ssk="no"])
 345 ])
 346 AC_MSG_RESULT([$enable_ssk])
 347 ]) # LC_OPENSSL_SSK
 348
 349 # LC_OPENSSL_GETSEPOL
 350 #
 351 # OpenSSL is needed for l_getsepol
 352 AC_DEFUN([LC_OPENSSL_GETSEPOL], [
 353 AC_MSG_CHECKING([whether openssl-devel is present])
 354 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 355         #include <openssl/evp.h>
 356
 357         int main(void) {
 358                 EVP_MD_CTX *mdctx = EVP_MD_CTX_create();
 359         }
 360 ])],[
 361         AC_DEFINE(HAVE_OPENSSL_GETSEPOL, 1, [openssl-devel is present])
 362         enable_getsepol="yes"
 363
 364 ],[
 365         enable_getsepol="no"
 366         AC_MSG_WARN([
 367
 368 No openssk-devel headers found, unable to build l_getsepol and SELinux status checking
 369 ])
 370 ])
 371 AC_MSG_RESULT([$enable_getsepol])
 372 ]) # LC_OPENSSL_GETSEPOL
 373
 374 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
 375 LB_CHECK_COMPILE([if get_projid exists],
 376 get_projid, [
 377         struct inode;
 378         #include <linux/quota.h>
 379 ],[
 380         struct dquot_operations ops = { };
 381
 382         ops.get_projid(NULL, NULL);
 383 ],[
 384         AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
 385                 [get_projid function exists])
 386 ])
 387 ]) # LC_HAVE_PROJECT_QUOTA
 388
 389 #
 390 # LC_INVALIDATE_RANGE
 391 #
 392 # 3.11 invalidatepage requires the length of the range to invalidate
 393 #
 394 AC_DEFUN([LC_INVALIDATE_RANGE], [
 395 LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments],
 396 address_space_ops_invalidatepage_3args, [
 397         #include <linux/fs.h>
 398 ],[
 399         struct address_space_operations a_ops;
 400         a_ops.invalidatepage(NULL, 0, 0);
 401 ],[
 402         AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
 403                 [address_space_operations.invalidatepage needs 3 arguments])
 404 ])
 405 ]) # LC_INVALIDATE_RANGE
 406
 407 #
 408 # LC_HAVE_DIR_CONTEXT
 409 #
 410 # 3.11 readdir now takes the new struct dir_context
 411 #
 412 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
 413 LB_CHECK_COMPILE([if 'dir_context' exist],
 414 dir_context, [
 415         #include <linux/fs.h>
 416 ],[
 417 #ifdef FMODE_KABI_ITERATE
 418 #error "back to use readdir in kabi_extand mode"
 419 #else
 420         struct dir_context ctx;
 421
 422         ctx.pos = 0;
 423 #endif
 424 ],[
 425         AC_DEFINE(HAVE_DIR_CONTEXT, 1,
 426                 [dir_context exist])
 427 ])
 428 ]) # LC_HAVE_DIR_CONTEXT
 429
 430 #
 431 # LC_HAVE_DCOUNT
 432 #
 433 # 3.11 need to access d_count to get dentry reference count
 434 #
 435 AC_DEFUN([LC_HAVE_DCOUNT], [
 436 LB_CHECK_COMPILE([if 'd_count' exists],
 437 d_count, [
 438         #include <linux/dcache.h>
 439 ],[
 440         struct dentry de = { };
 441         int count;
 442
 443         count = d_count(&de);
 444 ],[
 445         AC_DEFINE(HAVE_D_COUNT, 1,
 446                 [d_count exist])
 447 ])
 448 ]) # LC_HAVE_DCOUNT
 449
 450 #
 451 # LC_PID_NS_FOR_CHILDREN
 452 #
 453 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
 454 #
 455 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
 456 LB_CHECK_COMPILE([if 'struct nsproxy' has 'pid_ns_for_children'],
 457 pid_ns_for_children, [
 458         #include <linux/nsproxy.h>
 459 ],[
 460         struct nsproxy ns;
 461         ns.pid_ns_for_children = NULL;
 462 ],[
 463         AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
 464                   ['struct nsproxy' has 'pid_ns_for_children'])
 465 ])
 466 ]) # LC_PID_NS_FOR_CHILDREN
 467
 468 #
 469 # LC_OLDSIZE_TRUNCATE_PAGECACHE
 470 #
 471 # 3.12 truncate_pagecache without oldsize parameter
 472 #
 473 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
 474 LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter],
 475 truncate_pagecache_old_size, [
 476         #include <linux/mm.h>
 477 ],[
 478         truncate_pagecache(NULL, 0, 0);
 479 ],[
 480         AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
 481                 [with oldsize])
 482 ])
 483 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
 484
 485 #
 486 # LC_PTR_ERR_OR_ZERO
 487 #
 488 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
 489 # It was added to linux kernel 3.12
 490 #
 491 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
 492 LB_CHECK_COMPILE([if 'PTR_ERR_OR_ZERO' is missing],
 493 is_err_or_null, [
 494         #include <linux/err.h>
 495 ],[
 496         if (PTR_ERR_OR_ZERO(NULL)) return 0;
 497 ],[
 498         AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
 499                 ['PTR_ERR_OR_ZERO' exist])
 500 ])
 501 ]) # LC_PTR_ERR_OR_ZERO_MISSING
 502
 503 #
 504 # LC_HAVE_DENTRY_D_U_D_ALIAS
 505 #
 506 # 3.11 kernel moved d_alias to the union d_u in struct dentry
 507 #
 508 # Some distros move d_alias to d_u but it is still a struct list
 509 #
 510 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS], [
 511 AS_IF([test "x$lb_cv_compile_i_dentry_d_alias_list" = xyes], [
 512         LB_CHECK_COMPILE([if list 'dentry.d_u.d_alias' exist],
 513         d_alias, [
 514                 #include <linux/list.h>
 515                 #include <linux/dcache.h>
 516         ],[
 517                 struct dentry de;
 518                 INIT_LIST_HEAD(&de.d_u.d_alias);
 519         ],[
 520                 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
 521                         [list dentry.d_u.d_alias exist])
 522         ])
 523 ],[
 524         LB_CHECK_COMPILE([if hlist 'dentry.d_u.d_alias' exist],
 525         d_alias, [
 526                 #include <linux/list.h>
 527                 #include <linux/dcache.h>
 528         ],[
 529                 struct dentry de;
 530                 INIT_HLIST_NODE(&de.d_u.d_alias);
 531         ],[
 532                 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
 533                         [hlist dentry.d_u.d_alias exist])
 534         ])
 535 ])
 536 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS
 537
 538 #
 539 # LC_HAVE_DENTRY_D_CHILD
 540 #
 541 # 3.11 kernel d_child has been moved out of the union d_u
 542 # in struct dentry
 543 #
 544 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
 545 LB_CHECK_COMPILE([if 'dentry.d_child' exist],
 546 d_child, [
 547         #include <linux/list.h>
 548         #include <linux/dcache.h>
 549 ],[
 550         struct dentry de;
 551         INIT_LIST_HEAD(&de.d_child);
 552 ],[
 553         AC_DEFINE(HAVE_DENTRY_D_CHILD, 1,
 554                 [dentry.d_child exist])
 555 ])
 556 ]) # LC_HAVE_DENTRY_D_CHILD
 557
 558 #
 559 # LC_KIOCB_KI_LEFT
 560 #
 561 # 3.12 ki_left removed from struct kiocb
 562 #
 563 AC_DEFUN([LC_KIOCB_KI_LEFT], [
 564 LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member],
 565 kiocb_ki_left, [
 566         #include <linux/aio.h>
 567 ],[
 568         ((struct kiocb*)0)->ki_left = 0;
 569 ],[
 570         AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
 571                 [ki_left exist])
 572 ])
 573 ]) # LC_KIOCB_KI_LEFT
 574
 575 #
 576 # LC_VFS_RENAME_5ARGS
 577 #
 578 # 3.13 has vfs_rename with 5 args
 579 #
 580 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
 581 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args],
 582 vfs_rename_5args, [
 583         #include <linux/fs.h>
 584 ],[
 585         vfs_rename(NULL, NULL, NULL, NULL, NULL);
 586 ], [
 587         AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
 588                 [kernel has vfs_rename with 5 args])
 589 ])
 590 ]) # LC_VFS_RENAME_5ARGS
 591
 592 #
 593 # LC_VFS_UNLINK_3ARGS
 594 #
 595 # 3.13 has vfs_unlink with 3 args
 596 #
 597 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
 598 LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args],
 599 vfs_unlink_3args, [
 600         #include <linux/fs.h>
 601 ],[
 602         vfs_unlink(NULL, NULL, NULL);
 603 ], [
 604         AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
 605                 [kernel has vfs_unlink with 3 args])
 606 ])
 607 ]) # LC_VFS_UNLINK_3ARGS
 608
 609 # LC_HAVE_D_IS_POSITIVE
 610 #
 611 # Kernel version 3.13 b18825a7c8e37a7cf6abb97a12a6ad71af160de7
 612 # d_is_positive is added
 613 #
 614 AC_DEFUN([LC_HAVE_D_IS_POSITIVE], [
 615 LB_CHECK_COMPILE([if 'd_is_positive' exist],
 616 d_is_positive, [
 617         #include <linux/dcache.h>
 618 ],[
 619         d_is_positive(NULL);
 620 ],[
 621         AC_DEFINE(HAVE_D_IS_POSITIVE, 1,
 622                 ['d_is_positive' is available])
 623 ])
 624 ]) # LC_HAVE_D_IS_POSITIVE
 625
 626 #
 627 # LC_HAVE_BVEC_ITER
 628 #
 629 # 3.14 move some of its data in struct bio into the new
 630 # struct bvec_iter
 631 #
 632 AC_DEFUN([LC_HAVE_BVEC_ITER], [
 633 LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter],
 634 have_bvec_iter, [
 635         #include <linux/bio.h>
 636 ],[
 637         struct bvec_iter iter;
 638
 639         iter.bi_bvec_done = 0;
 640 ], [
 641         AC_DEFINE(HAVE_BVEC_ITER, 1,
 642                 [kernel has struct bvec_iter])
 643 ])
 644 ]) # LC_HAVE_BVEC_ITER
 645
 646 #
 647 # LC_IOP_SET_ACL
 648 #
 649 # 3.14 adds set_acl method to inode_operations
 650 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
 651 #
 652 AC_DEFUN([LC_IOP_SET_ACL], [
 653 LB_CHECK_COMPILE([if 'inode_operations' has '.set_acl' member function],
 654 inode_ops_set_acl, [
 655         #include <linux/fs.h>
 656 ],[
 657         struct inode_operations iop;
 658         iop.set_acl = NULL;
 659 ],[
 660         AC_DEFINE(HAVE_IOP_SET_ACL, 1,
 661                 [inode_operations has .set_acl member function])
 662 ])
 663 ]) # LC_IOP_SET_ACL
 664
 665 #
 666 # LC_HAVE_TRUNCATE_IPAGE_FINAL
 667 #
 668 # 3.14 bring truncate_inode_pages_final for evict_inode
 669 #
 670 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
 671 LB_CHECK_COMPILE([if Linux kernel has truncate_inode_pages_final],
 672 truncate_ipages_final, [
 673         #include <linux/mm.h>
 674 ],[
 675         truncate_inode_pages_final(NULL);
 676 ], [
 677         AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
 678                 [kernel has truncate_inode_pages_final])
 679 ])
 680 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
 681
 682 #
 683 # LC_IOPS_RENAME_WITH_FLAGS
 684 #
 685 # 3.14 has inode_operations->rename with 5 args
 686 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
 687 #
 688 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
 689 LB_CHECK_COMPILE([if 'inode_operations->rename' taken flags as argument],
 690 iops_rename_with_flags, [
 691         #include <linux/fs.h>
 692 ],[
 693         struct inode *i1 = NULL, *i2 = NULL;
 694         struct dentry *d1 = NULL, *d2 = NULL;
 695         int rc;
 696         rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
 697 ], [
 698         AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
 699                 [inode_operations->rename need flags as argument])
 700 ])
 701 ]) # LC_IOPS_RENAME_WITH_FLAGS
 702
 703 #
 704 # LC_VFS_RENAME_6ARGS
 705 #
 706 # 3.15 has vfs_rename with 6 args
 707 #
 708 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
 709 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args],
 710 vfs_rename_6args, [
 711         #include <linux/fs.h>
 712 ],[
 713         vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
 714 ], [
 715         AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
 716                 [kernel has vfs_rename with 6 args])
 717 ])
 718 ]) # LC_VFS_RENAME_6ARGS
 719
 720 #
 721 # LC_DIRECTIO_USE_ITER
 722 #
 723 # 3.16 kernel changes direct IO to use iov_iter
 724 #
 725 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
 726 LB_CHECK_COMPILE([if direct IO uses iov_iter],
 727 direct_io_iter, [
 728         #include <linux/fs.h>
 729 ],[
 730         struct address_space_operations ops = { };
 731         struct iov_iter *iter = NULL;
 732         loff_t offset = 0;
 733
 734         ops.direct_IO(0, NULL, iter, offset);
 735 ],[
 736         AC_DEFINE(HAVE_DIRECTIO_ITER, 1,
 737                 [direct IO uses iov_iter])
 738 ])
 739 ]) # LC_DIRECTIO_USE_ITER
 740
 741 #
 742 # LC_HAVE_IOV_ITER_INIT_DIRECTION
 743 #
 744 #
 745 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
 746 #      changed iov_iter_init api to start accepting a tag
 747 #      that defines if its a read or write operation
 748 #
 749 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
 750 tmp_flags="$EXTRA_KCFLAGS"
 751 EXTRA_KCFLAGS="-Werror"
 752 LB_CHECK_COMPILE([if 'iov_iter_init' takes a tag],
 753 iter_init, [
 754         #include <linux/uio.h>
 755         #include <linux/fs.h>
 756 ],[
 757         const struct iovec *iov = NULL;
 758
 759         iov_iter_init(NULL, READ, iov, 1, 0);
 760 ],[
 761         AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
 762                 [iov_iter_init handles directional tag])
 763 ])
 764 EXTRA_KCFLAGS="$tmp_flags"
 765 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
 766
 767 #
 768 # LC_HAVE_IOV_ITER_TRUNCATE
 769 #
 770 #
 771 # 3.16 introduces a new API iov_iter_truncate()
 772 #
 773 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
 774 tmp_flags="$EXTRA_KCFLAGS"
 775 EXTRA_KCFLAGS="-Werror"
 776 LB_CHECK_COMPILE([if 'iov_iter_truncate' exists ],
 777 iter_truncate, [
 778         #include <linux/uio.h>
 779         #include <linux/fs.h>
 780 ],[
 781         struct iov_iter *i = NULL;
 782
 783         iov_iter_truncate(i, 0);
 784 ],[
 785         AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
 786 ])
 787 EXTRA_KCFLAGS="$tmp_flags"
 788 ]) # LC_HAVE_IOV_ITER_TRUNCATE
 789
 790 #
 791 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
 792 #
 793 # 3.16 introduces [read|write]_iter to struct file_operations
 794 #
 795 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
 796 LB_CHECK_COMPILE([if 'file_operations.[read|write]_iter' exist],
 797 file_function_iter, [
 798         #include <linux/fs.h>
 799 ],[
 800         ((struct file_operations *)NULL)->read_iter(NULL, NULL);
 801         ((struct file_operations *)NULL)->write_iter(NULL, NULL);
 802 ],[
 803         AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
 804                 [file_operations.[read|write]_iter functions exist])
 805 ])
 806 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
 807
 808 #
 809 # LC_HAVE_INTERVAL_BLK_INTEGRITY
 810 #
 811 # 3.17 replace sector_size with interval in struct blk_integrity
 812 #
 813 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
 814 LB_CHECK_COMPILE([if 'blk_integrity.interval' exist],
 815 interval_blk_integrity, [
 816         #include <linux/blkdev.h>
 817 ],[
 818         ((struct blk_integrity *)0)->interval = 0;
 819 ],[
 820         AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
 821                 [blk_integrity.interval exist])
 822 ])
 823 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
 824
 825 #
 826 # LC_KEY_MATCH_DATA
 827 #
 828 # 3.17  replaces key_type::match with match_preparse
 829 #       and has new struct key_match_data
 830 #
 831 AC_DEFUN([LC_KEY_MATCH_DATA], [
 832 LB_CHECK_COMPILE([if struct key_match field exist],
 833 key_match, [
 834         #include <linux/key-type.h>
 835 ],[
 836         struct key_match_data data;
 837
 838         data.raw_data = NULL;
 839 ],[
 840         AC_DEFINE(HAVE_KEY_MATCH_DATA, 1,
 841                 [struct key_match_data exist])
 842 ])
 843 ]) # LC_KEY_MATCH_DATA
 844
 845 #
 846 # LC_NFS_FILLDIR_USE_CTX
 847 #
 848 # 3.18 kernel moved from void cookie to struct dir_context
 849 #
 850 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
 851 tmp_flags="$EXTRA_KCFLAGS"
 852 EXTRA_KCFLAGS="-Werror"
 853 LB_CHECK_COMPILE([if filldir_t uses struct dir_context],
 854 filldir_ctx, [
 855         #include <linux/fs.h>
 856 ],[
 857         int filldir(struct dir_context *ctx, const char* name,
 858                     int i, loff_t off, u64 tmp, unsigned temp)
 859         {
 860                 return 0;
 861         }
 862
 863         struct dir_context ctx = {
 864                 .actor = filldir,
 865         };
 866
 867         ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
 868 ],[
 869         AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
 870                 [filldir_t needs struct dir_context as argument])
 871 ])
 872 EXTRA_KCFLAGS="$tmp_flags"
 873 ]) # LC_NFS_FILLDIR_USE_CTX
 874
 875 #
 876 # LC_PERCPU_COUNTER_INIT
 877 #
 878 # 3.18  For kernels 3.18 and after percpu_counter_init starts
 879 #       to pass a GFP_* memory allocation flag for internal
 880 #       memory allocation purposes.
 881 #
 882 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
 883 LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
 884 percpu_counter_init, [
 885         #include <linux/percpu_counter.h>
 886 ],[
 887         percpu_counter_init(NULL, 0, GFP_KERNEL);
 888 ],[
 889         AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
 890                 [percpu_counter_init uses GFP_* flag])
 891 ])
 892 ]) # LC_PERCPU_COUNTER_INIT
 893
 894 #
 895 # LC_KIOCB_HAS_NBYTES
 896 #
 897 # 3.19 kernel removed ki_nbytes from struct kiocb
 898 #
 899 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
 900 LB_CHECK_COMPILE([if struct kiocb has ki_nbytes field],
 901 ki_nbytes, [
 902         #include <linux/fs.h>
 903 ],[
 904         struct kiocb iocb = { };
 905
 906         iocb.ki_nbytes = 0;
 907 ],[
 908         AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
 909 ])
 910 ]) # LC_KIOCB_HAS_NBYTES
 911
 912 #
 913 # LC_HAVE_DQUOT_QC_DQBLK
 914 #
 915 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
 916 # Added in commit 14bf61ffe
 917 #
 918 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
 919 tmp_flags="$EXTRA_KCFLAGS"
 920 EXTRA_KCFLAGS="-Werror"
 921 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk],
 922 qc_dqblk, [
 923         #include <linux/fs.h>
 924         #include <linux/quota.h>
 925 ],[
 926         ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
 927 ],[
 928         AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
 929                 [quotactl_ops.set_dqblk takes struct qc_dqblk])
 930         AC_DEFINE(HAVE_DQUOT_KQID, 1,
 931                 [quotactl_ops.set_dqblk takes struct kqid])
 932 ])
 933 EXTRA_KCFLAGS="$tmp_flags"
 934 ]) # LC_HAVE_DQUOT_QC_DQBLK
 935
 936 #
 937 # LC_HAVE_AIO_COMPLETE
 938 #
 939 # 3.19 kernel makes aio_complete() static
 940 #
 941 AC_DEFUN([LC_HAVE_AIO_COMPLETE], [
 942 LB_CHECK_COMPILE([if kernel has exported aio_complete() ],
 943 aio_complete, [
 944         #include <linux/aio.h>
 945 ],[
 946         aio_complete(NULL, 0, 0);
 947 ],[
 948         AC_DEFINE(HAVE_AIO_COMPLETE, 1, [aio_complete defined])
 949 ])
 950 ]) # LC_HAVE_AIO_COMPLETE
 951
 952 #
 953 # LC_BACKING_DEV_INFO_REMOVAL
 954 #
 955 # 3.20 kernel removed backing_dev_info from address_space
 956 #
 957 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
 958 LB_CHECK_COMPILE([if struct address_space has backing_dev_info],
 959 backing_dev_info, [
 960         #include <linux/fs.h>
 961 ],[
 962         struct address_space mapping;
 963
 964         mapping.backing_dev_info = NULL;
 965 ],[
 966         AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
 967 ])
 968 ]) # LC_BACKING_DEV_INFO_REMOVAL
 969
 970 #
 971 # LC_HAVE_BDI_CAP_MAP_COPY
 972 #
 973 # 3.20  removed mmap handling for backing devices since
 974 #       it breaks on non-MMU systems. See kernel commit
 975 #       b4caecd48005fbed3949dde6c1cb233142fd69e9
 976 #
 977 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
 978 LB_CHECK_COMPILE([if have 'BDI_CAP_MAP_COPY'],
 979 bdi_cap_map_copy, [
 980         #include <linux/backing-dev.h>
 981 ],[
 982         struct backing_dev_info info;
 983
 984         info.capabilities = BDI_CAP_MAP_COPY;
 985 ],[
 986         AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
 987                 [BDI_CAP_MAP_COPY exist])
 988 ])
 989 ]) # LC_HAVE_BDI_CAP_MAP_COPY
 990
 991 #
 992 # LC_IOV_ITER_RW
 993 #
 994 # 4.1 kernel has iov_iter_rw
 995 #
 996 AC_DEFUN([LC_IOV_ITER_RW], [
 997 LB_CHECK_COMPILE([if iov_iter_rw exist],
 998 iov_iter_rw, [
 999         #include <linux/fs.h>
1000         #include <linux/uio.h>
1001 ],[
1002         struct iov_iter *iter = NULL;
1003
1004         iov_iter_rw(iter);
1005 ],[
1006         AC_DEFINE(HAVE_IOV_ITER_RW, 1,
1007                 [iov_iter_rw exist])
1008 ])
1009 ]) # LC_IOV_ITER_RW
1010
1011 #
1012 # LC_HAVE_SYNC_READ_WRITE
1013 #
1014 # 4.1 new_sync_[read|write] no longer exported
1015 #
1016 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
1017 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
1018         [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
1019                         [new_sync_[read|write] is exported by the kernel])])
1020 ]) # LC_HAVE_SYNC_READ_WRITE
1021
1022 #
1023 # LC_HAVE___BI_CNT
1024 #
1025 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
1026 #
1027 AC_DEFUN([LC_HAVE___BI_CNT], [
1028 LB_CHECK_COMPILE([if Linux kernel has __bi_cnt in struct bio],
1029 have___bi_cnt, [
1030         #include <asm/atomic.h>
1031         #include <linux/bio.h>
1032         #include <linux/blk_types.h>
1033 ],[
1034         struct bio bio = { };
1035         int cnt;
1036         cnt = atomic_read(&bio.__bi_cnt);
1037 ], [
1038         AC_DEFINE(HAVE___BI_CNT, 1,
1039                 [struct bio has __bi_cnt])
1040 ])
1041 ]) # LC_HAVE___BI_CNT
1042
1043 #
1044 # LC_SYMLINK_OPS_USE_NAMEIDATA
1045 #
1046 # For the 4.2+ kernels the file system internal symlink api no
1047 # longer uses struct nameidata as a argument
1048 #
1049 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
1050 LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
1051 symlink_use_nameidata, [
1052         #include <linux/namei.h>
1053         #include <linux/fs.h>
1054 ],[
1055         struct nameidata *nd = NULL;
1056
1057         ((struct inode_operations *)0)->follow_link(NULL, nd);
1058         ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
1059 ],[
1060         AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
1061                 [symlink inode operations need struct nameidata argument])
1062 ])
1063 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
1064
1065 #
1066 # LC_BIO_ENDIO_USES_ONE_ARG
1067 #
1068 # 4.2 kernel bio_endio now only takes one argument
1069 #
1070 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
1071 LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
1072 bio_endio, [
1073         #include <linux/bio.h>
1074 ],[
1075         bio_endio(NULL);
1076 ],[
1077         AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
1078                 [bio_endio takes only one argument])
1079 ])
1080 ]) # LC_BIO_ENDIO_USES_ONE_ARG
1081
1082 #
1083 # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1084 #
1085 # 4.2 [to 4.5] kernel page dirtied takes 3 arguments
1086 #
1087 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1088 LB_CHECK_COMPILE([if 'account_page_dirtied' with 3 args exists],
1089 account_page_dirtied, [
1090         #include <linux/mm.h>
1091 ],[
1092         account_page_dirtied(NULL, NULL, NULL);
1093 ],[
1094         AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_3ARGS, 1,
1095                 [account_page_dirtied takes three arguments])
1096 ])
1097 ]) # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1098
1099 #
1100 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1101 #
1102 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
1103 # 'struct blk_integrity_profile' is also added in this version,
1104 # thus use this to determine whether 'struct blk_integrity' has profile
1105 #
1106 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1107 LB_CHECK_COMPILE([if 'blk_integrity.interval_exp' exist],
1108 blk_integrity_interval_exp, [
1109         #include <linux/blkdev.h>
1110 ],[
1111         ((struct blk_integrity *)0)->interval_exp = 0;
1112 ],[
1113         AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
1114                 [blk_integrity.interval_exp exist])
1115 ])
1116 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1117
1118 #
1119 # LC_HAVE_CACHE_HEAD_HLIST
1120 #
1121 # 4.3 kernel swiched to hlist for cache_head
1122 #
1123 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
1124 LB_CHECK_COMPILE([if 'struct cache_head' has 'cache_list' field],
1125 cache_head_has_hlist, [
1126         #include <linux/sunrpc/cache.h>
1127 ],[
1128         do {} while(sizeof(((struct cache_head *)0)->cache_list));
1129 ],[
1130         AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
1131                 [cache_head has hlist cache_list])
1132 ])
1133 ]) # LC_HAVE_CACHE_HEAD_HLIST
1134
1135 #
1136 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1137 #
1138 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
1139 # simplified xattr_handler handling by passing in the handler pointer
1140 #
1141 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1142 tmp_flags="$EXTRA_KCFLAGS"
1143 EXTRA_KCFLAGS="-Werror"
1144 LB_CHECK_COMPILE([if 'struct xattr_handler' functions pass in handler pointer],
1145 xattr_handler_simplified, [
1146         #include <linux/xattr.h>
1147 ],[
1148         struct xattr_handler handler;
1149
1150         ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
1151         ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
1152 ],[
1153         AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1, [handler pointer is parameter])
1154 ])
1155 EXTRA_KCFLAGS="$tmp_flags"
1156 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1157
1158 #
1159 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1160 #
1161 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
1162 #
1163 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1164 LB_CHECK_COMPILE([if 'bio_integrity_payload.bip_iter' exist],
1165 bio_integrity_payload_bip_iter, [
1166         #include <linux/bio.h>
1167 ],[
1168         ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
1169 ],[
1170         AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
1171                 [bio_integrity_payload.bip_iter exist])
1172 ])
1173 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1174
1175 #
1176 # LC_BIO_INTEGRITY_PREP_FN
1177 #
1178 # Lustre kernel patch extents bio_integrity_prep to accept optional
1179 # generate/verify_fn as extra args.
1180 #
1181 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
1182 LB_CHECK_COMPILE([if 'bio_integrity_prep_fn' exists],
1183 bio_integrity_prep_fn, [
1184         #include <linux/bio.h>
1185 ],[
1186         bio_integrity_prep_fn(NULL, NULL, NULL);
1187 ],[
1188         AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
1189                 [kernel has bio_integrity_prep_fn])
1190         AC_SUBST(PATCHED_INTEGRITY_INTF)
1191 ],[
1192         AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
1193 ])
1194 ]) # LC_BIO_INTEGRITY_PREP_FN
1195
1196 #
1197 # LC_HAVE_BI_OPF
1198 #
1199 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
1200 #
1201 AC_DEFUN([LC_HAVE_BI_OPF], [
1202 LB_CHECK_COMPILE([if Linux kernel has bi_opf in struct bio],
1203 have_bi_opf, [
1204         #include <linux/bio.h>
1205 ],[
1206         struct bio bio;
1207
1208         bio.bi_opf = 0;
1209 ], [
1210         AC_DEFINE(HAVE_BI_OPF, 1,
1211                 [struct bio has bi_opf])
1212 ])
1213 ]) # LC_HAVE_BI_OPF
1214
1215 #
1216 # LC_HAVE_SUBMIT_BIO_2ARGS
1217 #
1218 # 4.4 removed an argument from submit_bio
1219 #
1220 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
1221 LB_CHECK_COMPILE([if submit_bio takes two arguments],
1222 have_submit_bio_2args, [
1223         #include <linux/bio.h>
1224 ],[
1225         struct bio bio;
1226         submit_bio(READ, &bio);
1227 ], [
1228         AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
1229                 [submit_bio takes two arguments])
1230 ])
1231 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
1232
1233 #
1234 # LC_HAVE_CLEAN_BDEV_ALIASES
1235 #
1236 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
1237 # (SLES12/kernel commit 29f3ad7d8380364c)
1238 #
1239 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
1240 LB_CHECK_COMPILE([if kernel has clean_bdev_aliases],
1241 have_clean_bdev_aliases, [
1242         #include <linux/buffer_head.h>
1243 ],[
1244         struct block_device bdev;
1245         clean_bdev_aliases(&bdev,1,1);
1246 ], [
1247         AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
1248                 [kernel has clean_bdev_aliases])
1249 ])
1250 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
1251
1252 #
1253 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1254 #
1255 # 4.4 kernel have moved locks API users to
1256 # locks_lock_inode_wait()
1257 #
1258 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1259 LB_CHECK_COMPILE([if 'locks_lock_file_wait' exists],
1260 locks_lock_file_wait, [
1261         #include <linux/fs.h>
1262 ],[
1263         locks_lock_file_wait(NULL, NULL);
1264 ],[
1265         AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
1266                 [kernel has locks_lock_file_wait])
1267 ])
1268 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1269
1270 #
1271 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1272 #
1273 # 4.4 kernel merged type-specific data with the payload data for keys
1274 #
1275 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1276 LB_CHECK_COMPILE([if 'struct key' has 'payload.data' as an array],
1277 key_payload_data_array, [
1278         #include <linux/key.h>
1279 ],[
1280         struct key key = { };
1281
1282         key.payload.data[0] = NULL;
1283 ],[
1284         AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
1285 ])
1286 ]) #LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1287
1288 #
1289 # LC_HAVE_XATTR_HANDLER_NAME
1290 #
1291 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
1292 # add a name member to struct xattr_handler
1293 #
1294 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
1295 tmp_flags="$EXTRA_KCFLAGS"
1296 EXTRA_KCFLAGS="-Werror"
1297 LB_CHECK_COMPILE([if 'struct xattr_handler' has a name member],
1298 xattr_handler_name, [
1299         #include <linux/xattr.h>
1300 ],[
1301         ((struct xattr_handler *)NULL)->name = NULL;
1302 ],[
1303         AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1, [xattr_handler has a name member])
1304 ])
1305 EXTRA_KCFLAGS="$tmp_flags"
1306 ]) # LC_HAVE_XATTR_HANDLER_NAME
1307
1308 #
1309 # LC_HAVE_FILE_DENTRY
1310 #
1311 # 4.5 adds wrapper file_dentry
1312 #
1313 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
1314 LB_CHECK_COMPILE([if Linux kernel has 'file_dentry'],
1315 file_dentry, [
1316         #include <linux/fs.h>
1317 ],[
1318         file_dentry(NULL);
1319 ], [
1320         AC_DEFINE(HAVE_FILE_DENTRY, 1,
1321                 [kernel has file_dentry])
1322 ])
1323 ]) # LC_HAVE_FILE_DENTRY
1324
1325 #
1326 # LC_HAVE_INODE_LOCK
1327 #
1328 # 4.5 introduced inode_lock
1329 #
1330 AC_DEFUN([LC_HAVE_INODE_LOCK], [
1331 LB_CHECK_COMPILE([if 'inode_lock' is defined],
1332 inode_lock, [
1333         #include <linux/fs.h>
1334 ],[
1335         inode_lock(NULL);
1336 ], [
1337         AC_DEFINE(HAVE_INODE_LOCK, 1,
1338                   [inode_lock is defined])
1339 ])
1340 ]) # LC_HAVE_INODE_LOCK
1341
1342 #
1343 # LC_HAVE_IOP_GET_LINK
1344 #
1345 # 4.5 vfs replaced iop->follow_link with
1346 # iop->get_link
1347 #
1348 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
1349 LB_CHECK_COMPILE([if 'iop' has 'get_link'],
1350 inode_ops_get_link, [
1351         #include <linux/fs.h>
1352 ],[
1353         struct inode_operations iop;
1354         iop.get_link = NULL;
1355 ],[
1356         AC_DEFINE(HAVE_IOP_GET_LINK, 1,
1357                 [have iop get_link])
1358 ])
1359 ]) # LC_HAVE_IOP_GET_LINK
1360
1361 #
1362 # LC_HAVE_IN_COMPAT_SYSCALL
1363 #
1364 # 4.6 renamed is_compat_task to in_compat_syscall
1365 #
1366 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
1367 LB_CHECK_COMPILE([if 'in_compat_syscall' is defined],
1368 in_compat_syscall, [
1369         #include <linux/compat.h>
1370 ],[
1371         in_compat_syscall();
1372 ],[
1373         AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1,
1374                 [have in_compat_syscall])
1375 ])
1376 ]) # LC_HAVE_IN_COMPAT_SYSCALL
1377
1378 #
1379 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1380 #
1381 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
1382 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
1383 # to xattr_handler functions
1384 #
1385 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1386 tmp_flags="$EXTRA_KCFLAGS"
1387 EXTRA_KCFLAGS="-Werror"
1388 LB_CHECK_COMPILE([if 'struct xattr_handler' functions have inode parameter],
1389 xattr_handler_inode_param, [
1390         #include <linux/xattr.h>
1391 ],[
1392         const struct xattr_handler handler;
1393
1394         ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
1395         ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
1396 ],[
1397         AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
1398 ])
1399 EXTRA_KCFLAGS="$tmp_flags"
1400 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1401
1402 #
1403 # LC_D_IN_LOOKUP
1404 #
1405 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
1406 # introduced parallel lookups in the VFS layer. The inline function
1407 # d_in_lookup was added to notify when the same item was being queried
1408 # at the same time.
1409 #
1410 AC_DEFUN([LC_D_IN_LOOKUP], [
1411 tmp_flags="$EXTRA_KCFLAGS"
1412 EXTRA_KCFLAGS="-Werror"
1413 LB_CHECK_COMPILE([if 'd_in_lookup' is defined],
1414 d_in_lookup, [
1415         #include <linux/dcache.h>
1416 ],[
1417         d_in_lookup(NULL);
1418 ],[
1419         AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
1420 ])
1421 EXTRA_KCFLAGS="$tmp_flags"
1422 ]) # LC_D_IN_LOOKUP
1423
1424 #
1425 # LC_LOCK_PAGE_MEMCG
1426 #
1427 # Kernel version 4.6 adds lock_page_memcg
1428 #
1429 AC_DEFUN([LC_LOCK_PAGE_MEMCG], [
1430 LB_CHECK_COMPILE([if 'lock_page_memcg' is defined],
1431 lock_page_memcg, [
1432         #include <linux/memcontrol.h>
1433 ],[
1434         lock_page_memcg(NULL);
1435 ],[
1436         AC_DEFINE(HAVE_LOCK_PAGE_MEMCG, 1,
1437                 [lock_page_memcg is defined])
1438 ])
1439 ]) # LC_LOCK_PAGE_MEMCG
1440
1441 #
1442 # LC_DIRECTIO_2ARGS
1443 #
1444 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
1445 # direct-io: eliminate the offset argument to ->direct_IO
1446 #
1447 AC_DEFUN([LC_DIRECTIO_2ARGS], [
1448 LB_CHECK_COMPILE([if '->direct_IO()' taken 2 arguments],
1449 direct_io_2args, [
1450         #include <linux/fs.h>
1451 ],[
1452         struct address_space_operations ops = { };
1453         struct iov_iter *iter = NULL;
1454         struct kiocb *iocb = NULL;
1455         int rc;
1456
1457         rc = ops.direct_IO(iocb, iter);
1458 ],[
1459         AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1,
1460                 [direct_IO need 2 arguments])
1461 ])
1462 ]) # LC_DIRECTIO_2ARGS
1463
1464 #
1465 # LC_GENERIC_WRITE_SYNC_2ARGS
1466 #
1467 # Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
1468 # fs: add IOCB_SYNC and IOCB_DSYNC
1469 #
1470 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
1471 LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
1472 generic_write_sync_2args, [
1473         #include <linux/fs.h>
1474 ],[
1475         struct kiocb *iocb = NULL;
1476         ssize_t rc;
1477
1478         rc = generic_write_sync(iocb, 0);
1479 ],[
1480         AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
1481                 [generic_write_sync need 2 arguments])
1482 ])
1483 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
1484
1485 #
1486 # LC_FOP_ITERATE_SHARED
1487 #
1488 # Kernel v4.6-rc3-29-g6192269 adds iterate_shared method to file_operations
1489 #
1490 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
1491 LB_CHECK_COMPILE([if 'file_operations' has 'iterate_shared'],
1492 fop_iterate_shared, [
1493         #include <linux/fs.h>
1494 ],[
1495         struct file_operations fop;
1496         fop.iterate_shared = NULL;
1497 ],[
1498         AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
1499                 [file_operations has iterate_shared])
1500 ])
1501 ]) # LC_FOP_ITERATE_SHARED
1502
1503 #
1504 # LC_HAVE_POSIX_ACL_VALID_USER_NS
1505 #
1506 # 4.8 posix_acl_valid takes struct user_namespace
1507 #
1508 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
1509 LB_CHECK_COMPILE([if 'posix_acl_valid' takes 'struct user_namespace'],
1510 posix_acl_valid, [
1511         #include <linux/fs.h>
1512         #include <linux/posix_acl.h>
1513 ],[
1514         posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
1515 ],[
1516         AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
1517                 [posix_acl_valid takes struct user_namespace])
1518 ])
1519 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
1520
1521 #
1522 # LC_FULL_NAME_HASH_3ARGS
1523 #
1524 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
1525 # vfs: make the string hashes salt the hash
1526 #
1527 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
1528 LB_CHECK_COMPILE([if 'full_name_hash' taken 3 arguments],
1529 full_name_hash_3args, [
1530         #include <linux/stringhash.h>
1531 ],[
1532         unsigned int hash;
1533         hash = full_name_hash(NULL,NULL,0);
1534 ],[
1535         AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
1536                 [full_name_hash need 3 arguments])
1537 ])
1538 ]) # LC_FULL_NAME_HASH_3ARGS
1539
1540 #
1541 # LC_STRUCT_POSIX_ACL_XATTR
1542 #
1543 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
1544 # posix_acl: xattr representation cleanups
1545 #
1546 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
1547 LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
1548 struct_posix_acl_xattr, [
1549         #include <linux/fs.h>
1550         #include <linux/posix_acl_xattr.h>
1551 ],[
1552         struct posix_acl_xattr_header *h = NULL;
1553         struct posix_acl_xattr_entry  *e;
1554         e = (void *)(h + 1);
1555 ],[
1556         AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
1557                 [struct posix_acl_xattr_{header,entry} defined])
1558 ])
1559 ]) # LC_STRUCT_POSIX_ACL_XATTR
1560
1561 #
1562 # LC_IOP_XATTR
1563 #
1564 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
1565 # removed {get,set,remove}xattr inode operations
1566 #
1567 AC_DEFUN([LC_IOP_XATTR], [
1568 LB_CHECK_COMPILE([if 'inode_operations' has {get,set,remove}xattr members],
1569 inode_ops_xattr, [
1570         #include <linux/fs.h>
1571 ],[
1572         struct inode_operations iop;
1573         iop.setxattr = NULL;
1574         iop.getxattr = NULL;
1575         iop.removexattr = NULL;
1576 ],[
1577         AC_DEFINE(HAVE_IOP_XATTR, 1,
1578                 [inode_operations has {get,set,remove}xattr members])
1579 ])
1580 ]) # LC_IOP_XATTR
1581
1582 #
1583 # LC_GROUP_INFO_GID
1584 #
1585 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
1586 # cred: simpler, 1D supplementary groups
1587 #
1588 AC_DEFUN([LC_GROUP_INFO_GID], [
1589 LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
1590 group_info_gid, [
1591         #include <linux/cred.h>
1592 ],[
1593         kgid_t *p;
1594         p = ((struct group_info *)0)->gid;
1595 ],[
1596         AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
1597                 [struct group_info has member gid])
1598 ])
1599 ]) # LC_GROUP_INFO_GID
1600
1601 #
1602 # LC_VFS_SETXATTR
1603 #
1604 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
1605 # added __vfs_{get,set,remove}xattr helpers
1606 #
1607 AC_DEFUN([LC_VFS_SETXATTR], [
1608 LB_CHECK_COMPILE([if '__vfs_setxattr' helper is available],
1609 vfs_setxattr, [
1610         #include <linux/xattr.h>
1611 ],[
1612         __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
1613 ],[
1614         AC_DEFINE(HAVE_VFS_SETXATTR, 1,
1615                 ['__vfs_setxattr is available])
1616 ])
1617 ]) # LC_VFS_SETXATTR
1618
1619 #
1620 # LC_POSIX_ACL_UPDATE_MODE
1621 #
1622 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
1623 # posix_acl: Clear SGID bit when setting file permissions
1624 #
1625 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
1626 LB_CHECK_COMPILE([if 'posix_acl_update_mode' exists],
1627 posix_acl_update_mode, [
1628         #include <linux/fs.h>
1629         #include <linux/posix_acl.h>
1630 ],[
1631         posix_acl_update_mode(NULL, NULL, NULL);
1632 ],[
1633         AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
1634                 ['posix_acl_update_mode' is available])
1635 ])
1636 ]) # LC_POSIX_ACL_UPDATE_MODE
1637
1638 #
1639 # LC_IOP_GENERIC_READLINK
1640 #
1641 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
1642 # removed generic_readlink from individual file systems
1643 #
1644 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
1645 LB_CHECK_COMPILE([if 'generic_readlink' still exist],
1646 inode_ops_readlink, [
1647         #include <linux/fs.h>
1648 ],[
1649         struct inode_operations iop;
1650         iop.readlink = generic_readlink;
1651 ],[
1652         AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
1653                 [generic_readlink has been removed])
1654 ])
1655 ]) # LC_IOP_GENERIC_READLINK
1656
1657 #
1658 # LC_HAVE_VM_FAULT_ADDRESS
1659 #
1660 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
1661 # removed virtual_address field. Need to use address field instead
1662 #
1663 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
1664 LB_CHECK_COMPILE([if 'struct vm_fault' replaced virtual_address with address field],
1665 vm_fault_address, [
1666         #include <linux/mm.h>
1667 ],[
1668         struct vm_fault vmf;
1669         vmf.address = NULL;
1670 ],[
1671         AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
1672                 [virtual_address has been replaced by address field])
1673 ])
1674 ]) # LC_HAVE_VM_FAULT_ADDRESS
1675
1676 #
1677 # LC_INODEOPS_ENHANCED_GETATTR
1678 #
1679 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
1680 # expanded getattr to be able to get more stat information.
1681 #
1682 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
1683 LB_CHECK_COMPILE([if 'inode_operations' getattr member can gather advance stats],
1684 getattr_path, [
1685         #include <linux/fs.h>
1686 ],[
1687         struct path path;
1688
1689         ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
1690 ],[
1691         AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
1692                 [inode_operations .getattr member function can gather advance stats])
1693 ])
1694 ]) # LC_INODEOPS_ENHANCED_GETATTR
1695
1696 #
1697 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
1698 #
1699 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
1700 # removed struct vm_area_struct as an argument for vm_operations since
1701 # in the same kernel version struct vma_area_struct was folded into
1702 # struct vm_fault.
1703 #
1704 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
1705 LB_CHECK_COMPILE([if 'struct vm_operations' removed struct vm_area_struct],
1706 vm_operations_no_vm_area_struct, [
1707         #include <linux/mm.h>
1708 ],[
1709         struct vm_fault vmf;
1710
1711         ((struct vm_operations_struct *)0)->fault(&vmf);
1712         ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
1713 ],[
1714         AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
1715                 ['struct vm_operations' remove struct vm_area_struct argument])
1716 ])
1717 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
1718
1719 #
1720 # LC_HAVE_KEY_USAGE_REFCOUNT
1721 #
1722 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
1723 # converted key.usage from atomic_t to refcount_t.
1724 #
1725 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
1726 LB_CHECK_COMPILE([if 'key.usage' is refcount_t],
1727 key_usage_refcount, [
1728         #include <linux/key.h>
1729 ],[
1730         struct key key = { };
1731
1732         refcount_read(&key.usage);
1733 ],[
1734         AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1, [key.usage is of type refcount_t])
1735 ])
1736 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
1737
1738 #
1739 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
1740 #
1741 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
1742 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
1743 #
1744 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
1745 LB_CHECK_COMPILE([if 'CRYPTO_MAX_ALG_NAME' is 128],
1746 crypto_max_alg_name, [
1747         #include <linux/crypto.h>
1748 ],[
1749         #if CRYPTO_MAX_ALG_NAME != 128
1750         exit(1);
1751         #endif
1752 ],[
1753         AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
1754                 ['CRYPTO_MAX_ALG_NAME' is 128])
1755 ])
1756 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
1757
1758 #
1759 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
1760 # CURRENT_TIME is not 64 bit time safe so it was replaced with
1761 # current_time()
1762 #
1763 AC_DEFUN([LC_CURRENT_TIME], [
1764 LB_CHECK_COMPILE([if CURRENT_TIME has been replaced with current_time],
1765 current_time, [
1766         #include <linux/fs.h>
1767 ],[
1768         struct iattr attr;
1769
1770         attr.ia_atime = current_time(NULL);
1771 ],[
1772         AC_DEFINE(HAVE_CURRENT_TIME, 1,
1773                 [current_time() has replaced CURRENT_TIME])
1774 ])
1775 ]) # LIBCFS_CURRENT_TIME
1776
1777 #
1778 # Kernel version 4.12-rc3 85787090a21eb749d8b347eaf9ff1a455637473c
1779 # changed struct super_block s_uuid into a proper uuid_t
1780 #
1781 AC_DEFUN([LC_SUPER_BLOCK_S_UUID], [
1782 LB_CHECK_COMPILE([if 'struct super_block' s_uuid is uuid_t],
1783 super_block_s_uuid, [
1784         #include <linux/fs.h>
1785 ],[
1786         struct super_block sb;
1787
1788         uuid_parse(NULL, &sb.s_uuid);
1789 ],[
1790         AC_DEFINE(HAVE_S_UUID_AS_UUID_T, 1, ['s_uuid' is an uuid_t])
1791 ])
1792 ]) # LC_SUPER_BLOCK_S_UUID
1793
1794 #
1795 # LC_SUPER_SETUP_BDI_NAME
1796 #
1797 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
1798 # unified bdi handling
1799 #
1800 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
1801 LB_CHECK_COMPILE([if 'super_setup_bdi_name' exist],
1802 super_setup_bdi_name, [
1803         #include <linux/fs.h>
1804 ],[
1805         super_setup_bdi_name(NULL, "lustre");
1806 ],[
1807         AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
1808                 ['super_setup_bdi_name' is available])
1809 ])
1810 ]) # LC_SUPER_SETUP_BDI_NAME
1811
1812 #
1813 # LC_BI_STATUS
1814 #
1815 # 4.12 replace bi_error to bi_status
1816 #
1817 AC_DEFUN([LC_BI_STATUS], [
1818 LB_CHECK_COMPILE([if 'bi_status' exist],
1819 bi_status, [
1820         #include <linux/blk_types.h>
1821 ],[
1822         ((struct bio *)0)->bi_status = 0;
1823 ],[
1824         AC_DEFINE(HAVE_BI_STATUS, 1,
1825                 ['bi_status' is available])
1826 ])
1827 ]) # LC_BI_STATUS
1828
1829 #
1830 # LC_BIO_INTEGRITY_ENABLED
1831 #
1832 # 4.13 removed bio_integrity_enabled
1833 #
1834 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
1835 LB_CHECK_COMPILE([if 'bio_integrity_enabled' exist],
1836 bio_integrity_enabled, [
1837         #include <linux/bio.h>
1838 ],[
1839         bio_integrity_enabled(NULL);
1840 ],[
1841         AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
1842                 ['bio_integrity_enabled' is available])
1843 ])
1844 ]) # LC_BIO_INTEGRITY_ENABLED
1845
1846 #
1847 # LC_PAGEVEC_INIT_ONE_PARAM
1848 #
1849 # 4.14 pagevec_init takes one parameter
1850 #
1851 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
1852 LB_CHECK_COMPILE([if 'pagevec_init' takes one parameter],
1853 pagevec_init, [
1854         #include <linux/pagevec.h>
1855 ],[
1856         pagevec_init(NULL);
1857 ],[
1858         AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
1859                 ['pagevec_init' takes one parameter])
1860 ])
1861 ]) # LC_PAGEVEC_INIT_ONE_PARAM
1862
1863 #
1864 # LC_BI_BDEV
1865 #
1866 # 4.14 replaced bi_bdev to bi_disk
1867 #
1868 AC_DEFUN([LC_BI_BDEV], [
1869 LB_CHECK_COMPILE([if 'bi_bdev' exist],
1870 bi_bdev, [
1871         #include <linux/bio.h>
1872 ],[
1873         ((struct bio *)0)->bi_bdev = NULL;
1874 ],[
1875         AC_DEFINE(HAVE_BI_BDEV, 1,
1876                 ['bi_bdev' is available])
1877 ])
1878 ]) # LC_BI_BDEV
1879
1880 #
1881 # LC_IS_ENCRYPTED
1882 #
1883 # 4.14 introduced IS_ENCRYPTED and S_ENCRYPTED
1884 #
1885 AC_DEFUN([LC_IS_ENCRYPTED], [
1886 LB_CHECK_COMPILE([if IS_ENCRYPTED is defined],
1887 is_encrypted, [
1888         #include <linux/fs.h>
1889 ],[
1890         IS_ENCRYPTED((struct inode *)0);
1891 ],[
1892         has_is_encrypted="yes"
1893 ])
1894 ]) # LC_IS_ENCRYPTED
1895
1896 #
1897 # LC_I_PAGES
1898 #
1899 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
1900 #
1901 AC_DEFUN([LC_I_PAGES], [
1902 LB_CHECK_COMPILE([if struct address_space has i_pages],
1903 i_pages, [
1904         #include <linux/fs.h>
1905 ],[
1906         struct address_space mapping = {};
1907         void *i_pages;
1908
1909         i_pages = &mapping.i_pages;
1910 ],[
1911         AC_DEFINE(HAVE_I_PAGES, 1,
1912                 [struct address_space has i_pages])
1913 ])
1914 ]) # LC_I_PAGES
1915
1916 #
1917 # LC_VM_FAULT_T
1918 #
1919 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
1920 # mm: create the new vm_fault_t type
1921 #
1922 AC_DEFUN([LC_VM_FAULT_T], [
1923 LB_CHECK_COMPILE([if vm_fault_t type exists],
1924 vm_fault_t, [
1925         #include <linux/mm_types.h>
1926 ],[
1927         vm_fault_t x = VM_FAULT_SIGBUS;
1928         (void)x
1929 ],[
1930         AC_DEFINE(HAVE_VM_FAULT_T, 1,
1931                 [if vm_fault_t type exists])
1932 ])
1933 ]) # LC_VM_FAULT_T
1934
1935 #
1936 # LC_INODE_TIMESPEC64
1937 #
1938 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
1939 # fs: add timespec64_truncate()
1940 # kernel 4.18 commit 95582b00838837fc07e042979320caf917ce3fe6
1941 # inode timestamps switched to timespec64
1942 # kernel 4.19-rc2 commit 976516404ff3fab2a8caa8bd6f5efc1437fed0b8
1943 # y2038: remove unused time interfaces
1944 # ...
1945 #  timespec_trunc
1946 # ...
1947 # When inode times are timespec64 stop using the deprecated
1948 # time interfaces.
1949 #
1950 AC_DEFUN([LC_INODE_TIMESPEC64], [
1951 tmp_flags="$EXTRA_KCFLAGS"
1952 EXTRA_KCFLAGS="-Werror"
1953 LB_CHECK_COMPILE([if inode timestamps are struct timespec64],
1954 inode_timespec64, [
1955         #include <linux/fs.h>
1956 ],[
1957         struct inode *inode = NULL;
1958         struct timespec64 ts = {};
1959
1960         inode->i_atime = timespec64_trunc(ts, 1);
1961         (void)inode;
1962 ],[
1963         AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
1964                 [inode times are using timespec64])
1965 ])
1966 EXTRA_KCFLAGS="$tmp_flags"
1967 ]) # LC_INODE_TIMESPEC64
1968
1969 #
1970 # LC_XA_IS_VALUE
1971 # kernel 4.19-rc6 commit 3159f943aafdbacb2f94c38fdaadabf2bbde2a14
1972 # xarray: Replace exceptional entries
1973 # adds xa_is_value
1974 #
1975 AC_DEFUN([LC_XA_IS_VALUE], [
1976 LB_CHECK_COMPILE([xa_is_value exist],
1977 xa_is_value, [
1978         #include <linux/xarray.h>
1979 ],[
1980         xa_is_value(NULL);
1981 ],[
1982         AC_DEFINE(HAVE_XA_IS_VALUE, 1, [xa_is_value exist])
1983 ])
1984 ]) # LC_XA_IS_VALUE
1985
1986 #
1987 # LC___XA_SET_MARK
1988 #
1989 # kernel 4.20 commit v4.19-rc5-248-g9b89a0355144
1990 # xarray: Add XArray marks
1991 #
1992 AC_DEFUN([LC___XA_SET_MARK], [
1993 LB_CHECK_COMPILE([if '__xa_set_mark' exists],
1994 __xa_set_mark, [
1995         #include <linux/xarray.h>
1996         #include <linux/fs.h>
1997 ],[
1998         struct xarray *xa = NULL;
1999
2000         __xa_set_mark(xa, 0, PAGECACHE_TAG_DIRTY);
2001 ],[
2002         AC_DEFINE(HAVE___XA_SET_MARK, 1,
2003                 [__xa_set_mark exists])
2004 ])
2005 ]) # LC___XA_SET_MARK
2006
2007 #
2008 # LC_UAPI_LINUX_MOUNT_H
2009 #
2010 # kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
2011 # vfs: Suppress MS_* flag defs within the kernel ...
2012 #
2013 AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
2014 tmp_flags="$EXTRA_KCFLAGS"
2015 EXTRA_KCFLAGS="-Werror"
2016 LB_CHECK_COMPILE([if MS_RDONLY was moved to uapi/linux/mount.h],
2017 uapi_linux_mount, [
2018         #include <uapi/linux/mount.h>
2019 ],[
2020         int x = MS_RDONLY;
2021         (void)x;
2022 ],[
2023         AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
2024                 [if MS_RDONLY was moved to uapi/linux/mount.h])
2025 ])
2026 EXTRA_KCFLAGS="$tmp_flags"
2027 ]) # LC_UAPI_LINUX_MOUNT_H
2028
2029 #
2030 # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2031 #
2032 # kernel 4.20 commit 1863d77f15da0addcd293a1719fa5d3ef8cde3ca
2033 # SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock
2034 #
2035 # Now that the reader functions are all RCU protected, use a regular
2036 # spinlock rather than a reader/writer lock.
2037 #
2038 AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2039 tmp_flags="$EXTRA_KCFLAGS"
2040 EXTRA_KCFLAGS="-Werror"
2041 LB_CHECK_COMPILE([if cache_detail->hash_lock is a spinlock],
2042 hash_lock_isa_spinlock_t, [
2043         #include <linux/sunrpc/cache.h>
2044 ],[
2045         spinlock_t *lock = &(((struct cache_detail *)0)->hash_lock);
2046         spin_lock(lock);
2047 ],[
2048         AC_DEFINE(HAVE_CACHE_HASH_SPINLOCK, 1,
2049                 [if cache_detail->hash_lock is a spinlock])
2050 ])
2051 EXTRA_KCFLAGS="$tmp_flags"
2052 ]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2053
2054 #
2055 # LC_HAS_LINUX_SELINUX_ENABLED
2056 #
2057 # kernel 5.1 commit 3d252529480c68bfd6a6774652df7c8968b28e41
2058 # SELinux: Remove unused selinux_is_enabled
2059 #
2060 AC_DEFUN([LC_HAS_LINUX_SELINUX_ENABLED], [
2061 tmp_flags="$EXTRA_KCFLAGS"
2062 EXTRA_KCFLAGS="-Werror"
2063 LB_CHECK_COMPILE([if linux/selinux.h exists],
2064 selinux_is_enabled, [
2065         #include <linux/selinux.h>
2066 ],[
2067         bool has_selinux = selinux_is_enabled();
2068         (void)has_selinux;
2069 ],[
2070         AC_DEFINE(HAVE_LINUX_SELINUX_IS_ENABLED, 1,
2071                 [if linux/selinux.h exists])
2072 ])
2073 EXTRA_KCFLAGS="$tmp_flags"
2074 ]) # LC_HAS_LINUX_SELINUX_ENABLED
2075
2076 #
2077 # LB_HAVE_BVEC_ITER_ALL
2078 #
2079 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
2080 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
2081 #
2082 AC_DEFUN([LB_HAVE_BVEC_ITER_ALL], [
2083 tmp_flags="$EXTRA_KCFLAGS"
2084 EXTRA_KCFLAGS="-Werror"
2085 LB_CHECK_COMPILE([if bvec_iter_all exists for multi-page bvec iternation],
2086 ext4fs_dirhash, [
2087         #include <linux/bvec.h>
2088 ],[
2089         struct bvec_iter_all iter;
2090         (void)iter;
2091 ],[
2092         AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
2093                 [if bvec_iter_all exists for multi-page bvec iternation])
2094 ])
2095 EXTRA_KCFLAGS="$tmp_flags"
2096 ]) # LB_HAVE_BVEC_ITER_ALL
2097
2098 #
2099 # LC_ACCOUNT_PAGE_DIRTIED
2100 #
2101 # After 5.2 kernel page dirtied is not exported
2102 #
2103 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED], [
2104 LB_CHECK_EXPORT([account_page_dirtied], [mm/page-writeback.c],
2105         [AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT, 1,
2106                         [account_page_dirtied is exported])])
2107 ]) # LC_ACCOUNT_PAGE_DIRTIED
2108
2109 #
2110 # LC_KEYRING_SEARCH_4ARGS
2111 #
2112 # Kernel 5.2 commit dcf49dbc8077
2113 # keys: Add a 'recurse' flag for keyring searches
2114 #
2115 AC_DEFUN([LC_KEYRING_SEARCH_4ARGS], [
2116 LB_CHECK_COMPILE([if 'keyring_search' has 4 args],
2117 keyring_search_4args, [
2118         #include <linux/key.h>
2119 ],[
2120         key_ref_t keyring;
2121         keyring_search(keyring, NULL, NULL, false);
2122 ],[
2123         AC_DEFINE(HAVE_KEYRING_SEARCH_4ARGS, 1,
2124                 [keyring_search has 4 args])
2125 ])
2126 ]) # LC_KEYRING_SEARCH_4ARGS
2127
2128 #
2129 # LC_BIO_BI_PHYS_SEGMENTS
2130 #
2131 # kernel 5.3-rc1 commit 14ccb66b3f585b2bc21e7256c96090abed5a512c
2132 # block: remove the bi_phys_segments field in struct bio
2133 #
2134 AC_DEFUN([LC_BIO_BI_PHYS_SEGMENTS], [
2135 tmp_flags="$EXTRA_KCFLAGS"
2136 EXTRA_KCFLAGS="-Werror"
2137 LB_CHECK_COMPILE([if struct bio has bi_phys_segments member],
2138 bye_bio_bi_phys_segments, [
2139         #include <linux/bio.h>
2140 ],[
2141         struct bio *bio = NULL;
2142         bio->bi_phys_segments++;
2143 ],[
2144         AC_DEFINE(HAVE_BIO_BI_PHYS_SEGMENTS, 1,
2145                 [struct bio has bi_phys_segments member])
2146 ])
2147 EXTRA_KCFLAGS="$tmp_flags"
2148 ]) # LC_BIO_BI_PHYS_SEGMENTS
2149
2150 #
2151 # LC_LM_COMPARE_OWNER_EXISTS
2152 #
2153 # kernel 5.3-rc3 commit f85d93385e9fe6886a751f647f6812a89bf6bee3
2154 # locks: Cleanup lm_compare_owner and lm_owner_key
2155 # removed lm_compare_owner
2156 #
2157 AC_DEFUN([LC_LM_COMPARE_OWNER_EXISTS], [
2158 tmp_flags="$EXTRA_KCFLAGS"
2159 EXTRA_KCFLAGS="-Werror"
2160 LB_CHECK_COMPILE([if lock_manager_operations has lm_compare_owner],
2161 lock_manager_ops_lm_compare_owner, [
2162         #include <linux/fs.h>
2163 ],[
2164         struct lock_manager_operations lm_ops;
2165         lm_ops.lm_compare_owner = NULL;
2166 ],[
2167         AC_DEFINE(HAVE_LM_COMPARE_OWNER, 1,
2168                 [lock_manager_operations has lm_compare_owner])
2169 ])
2170 EXTRA_KCFLAGS="$tmp_flags"
2171 ]) # LC_LM_COMPARE_OWNER_EXISTS
2172
2173 #
2174 # LC_FSCRYPT_SUPPORT
2175 #
2176 # 5.4 introduced fscrypt encryption policies v2
2177 #
2178 AC_DEFUN([LC_FSCRYPT_SUPPORT], [
2179 LB_CHECK_COMPILE([for fscrypt in-kernel support],
2180 fscrypt_support, [
2181         #define __FS_HAS_ENCRYPTION 0
2182         #include <linux/fscrypt.h>
2183 ],[
2184         fscrypt_ioctl_get_policy_ex(NULL, NULL);
2185 ],[
2186         has_fscrypt_support="yes"
2187 ])
2188 ]) # LC_FSCRYPT_SUPPORT
2189
2190 #
2191 # LC_PROG_LINUX
2192 #
2193 # Lustre linux kernel checks
2194 #
2195 AC_DEFUN([LC_PROG_LINUX], [
2196         AC_MSG_NOTICE([Lustre kernel checks
2197 ==============================================================================])
2198
2199         LC_CONFIG_PINGER
2200         LC_CONFIG_CHECKSUM
2201         LC_CONFIG_FLOCK
2202         LC_CONFIG_HEALTH_CHECK_WRITE
2203         LC_CONFIG_LRU_RESIZE
2204         LC_CONFIG_FHANDLE
2205         LC_CONFIG_GSS
2206
2207         LC_GLIBC_SUPPORT_FHANDLES
2208         LC_OPENSSL_SSK
2209         LC_OPENSSL_GETSEPOL
2210
2211         # 3.10
2212         LC_HAVE_PROJECT_QUOTA
2213
2214         # 3.11
2215         LC_INVALIDATE_RANGE
2216         LC_HAVE_DIR_CONTEXT
2217         LC_HAVE_DCOUNT
2218         LC_HAVE_DENTRY_D_U_D_ALIAS
2219         LC_HAVE_DENTRY_D_CHILD
2220         LC_PID_NS_FOR_CHILDREN
2221
2222         # 3.12
2223         LC_OLDSIZE_TRUNCATE_PAGECACHE
2224         LC_PTR_ERR_OR_ZERO_MISSING
2225         LC_KIOCB_KI_LEFT
2226
2227         # 3.13
2228         LC_VFS_RENAME_5ARGS
2229         LC_VFS_UNLINK_3ARGS
2230         LC_HAVE_D_IS_POSITIVE
2231
2232         # 3.14
2233         LC_HAVE_BVEC_ITER
2234         LC_HAVE_TRUNCATE_IPAGES_FINAL
2235         LC_IOPS_RENAME_WITH_FLAGS
2236         LC_IOP_SET_ACL
2237
2238         # 3.15
2239         LC_VFS_RENAME_6ARGS
2240
2241         # 3.16
2242         LC_DIRECTIO_USE_ITER
2243         LC_HAVE_IOV_ITER_INIT_DIRECTION
2244         LC_HAVE_IOV_ITER_TRUNCATE
2245         LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
2246
2247         # 3.17
2248         LC_HAVE_INTERVAL_BLK_INTEGRITY
2249         LC_KEY_MATCH_DATA
2250
2251         # 3.18
2252         LC_PERCPU_COUNTER_INIT
2253         LC_NFS_FILLDIR_USE_CTX
2254
2255         # 3.19
2256         LC_KIOCB_HAS_NBYTES
2257         LC_HAVE_DQUOT_QC_DQBLK
2258         LC_HAVE_AIO_COMPLETE
2259
2260         # 3.20
2261         LC_BACKING_DEV_INFO_REMOVAL
2262         LC_HAVE_BDI_CAP_MAP_COPY
2263
2264         # 4.1.0
2265         LC_IOV_ITER_RW
2266         LC_HAVE_SYNC_READ_WRITE
2267         LC_HAVE___BI_CNT
2268
2269         # 4.2
2270         LC_BIO_ENDIO_USES_ONE_ARG
2271         LC_SYMLINK_OPS_USE_NAMEIDATA
2272         LC_ACCOUNT_PAGE_DIRTIED_3ARGS
2273
2274         # 4.3
2275         LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2276         LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2277         LC_HAVE_CACHE_HEAD_HLIST
2278         LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2279
2280         # 4.4
2281         LC_HAVE_LOCKS_LOCK_FILE_WAIT
2282         LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2283         LC_HAVE_XATTR_HANDLER_NAME
2284         LC_HAVE_BI_OPF
2285         LC_HAVE_SUBMIT_BIO_2ARGS
2286         LC_HAVE_CLEAN_BDEV_ALIASES
2287
2288         # 4.5
2289         LC_HAVE_FILE_DENTRY
2290
2291         # 4.5
2292         LC_HAVE_INODE_LOCK
2293         LC_HAVE_IOP_GET_LINK
2294
2295         # 4.6
2296         LC_HAVE_IN_COMPAT_SYSCALL
2297         LC_HAVE_XATTR_HANDLER_INODE_PARAM
2298         LC_LOCK_PAGE_MEMCG
2299
2300         # 4.7
2301         LC_D_IN_LOOKUP
2302         LC_DIRECTIO_2ARGS
2303         LC_GENERIC_WRITE_SYNC_2ARGS
2304         LC_FOP_ITERATE_SHARED
2305
2306         # 4.8
2307         LC_HAVE_POSIX_ACL_VALID_USER_NS
2308         LC_FULL_NAME_HASH_3ARGS
2309         LC_STRUCT_POSIX_ACL_XATTR
2310         LC_IOP_XATTR
2311
2312         # 4.9
2313         LC_GROUP_INFO_GID
2314         LC_VFS_SETXATTR
2315         LC_POSIX_ACL_UPDATE_MODE
2316
2317         # 4.10
2318         LC_IOP_GENERIC_READLINK
2319         LC_HAVE_VM_FAULT_ADDRESS
2320
2321         # 4.11
2322         LC_INODEOPS_ENHANCED_GETATTR
2323         LC_VM_OPERATIONS_REMOVE_VMF_ARG
2324         LC_HAVE_KEY_USAGE_REFCOUNT
2325         LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2326
2327         # 4.12
2328         LC_CURRENT_TIME
2329         LC_SUPER_BLOCK_S_UUID
2330         LC_SUPER_SETUP_BDI_NAME
2331         LC_BI_STATUS
2332
2333         # 4.13
2334         LC_BIO_INTEGRITY_ENABLED
2335
2336         # 4.14
2337         LC_PAGEVEC_INIT_ONE_PARAM
2338         LC_BI_BDEV
2339
2340         # 4.17
2341         LC_VM_FAULT_T
2342         LC_I_PAGES
2343
2344         # 4.18
2345         LC_INODE_TIMESPEC64
2346         LC_XA_IS_VALUE
2347
2348         # 4.20
2349         LC___XA_SET_MARK
2350         LC_UAPI_LINUX_MOUNT_H
2351         LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2352
2353         # 5.1
2354         LC_HAS_LINUX_SELINUX_ENABLED
2355         LB_HAVE_BVEC_ITER_ALL
2356
2357         # 5.2
2358         LC_ACCOUNT_PAGE_DIRTIED
2359         LC_KEYRING_SEARCH_4ARGS
2360
2361         # 5.3
2362         LC_BIO_BI_PHYS_SEGMENTS
2363         LC_LM_COMPARE_OWNER_EXISTS
2364
2365         # kernel patch to extend integrity interface
2366         LC_BIO_INTEGRITY_PREP_FN
2367
2368         #
2369         AS_IF([test "x$enable_server" != xno], [
2370                 LC_STACK_SIZE
2371                 LC_QUOTA_CONFIG
2372         ])
2373         LC_POSIX_ACL_CONFIG
2374 ]) # LC_PROG_LINUX
2375
2376 #
2377 # LC_CONFIG_CLIENT
2378 #
2379 # Check whether to build the client side of Lustre
2380 #
2381 AC_DEFUN([LC_CONFIG_CLIENT], [
2382 AC_MSG_CHECKING([whether to build Lustre client support])
2383 AC_ARG_ENABLE([client],
2384         AC_HELP_STRING([--disable-client],
2385                 [disable Lustre client support]),
2386         [], [enable_client="yes"])
2387 AC_MSG_RESULT([$enable_client])
2388 ]) # LC_CONFIG_CLIENT
2389
2390 #
2391 # --enable-mpitests
2392 #
2393 AC_DEFUN([LB_CONFIG_MPITESTS], [
2394 AC_ARG_ENABLE([mpitests],
2395         AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
2396                        [include mpi tests]), [
2397                 enable_mpitests="yes"
2398                 case $enableval in
2399                 yes)
2400                         MPICC_WRAPPER="mpicc"
2401                         MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
2402                         ;;
2403                 no)
2404                         enable_mpitests="no"
2405                         MPI_BIN=""
2406                         ;;
2407                 *)
2408                         MPICC_WRAPPER=$enableval
2409                         MPI_BIN=$(eval echo $MPICC_WRAPPER | xargs dirname)
2410                         ;;
2411                 esac
2412         ], [
2413                 enable_mpitests="yes"
2414                 MPICC_WRAPPER="mpicc"
2415                 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
2416         ])
2417
2418         if test "x$enable_mpitests" != "xno"; then
2419                 oldcc=$CC
2420                 CC=$MPICC_WRAPPER
2421                 AC_CACHE_CHECK([whether mpitests can be built],
2422                 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2423                         #include <mpi.h>
2424                         int main(void) {
2425                                 int flag;
2426                                 MPI_Initialized(&flag);
2427                                 return 0;
2428                         }
2429                 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
2430                 ])
2431                 enable_mpitests=$lb_cv_mpi_tests
2432                 CC=$oldcc
2433         fi
2434         AC_SUBST(MPI_BIN)
2435         AC_SUBST(MPICC_WRAPPER)
2436 ]) # LB_CONFIG_MPITESTS
2437
2438 #
2439 # LC_CONFIG_QUOTA
2440 #
2441 # whether to enable quota support global control
2442 #
2443 AC_DEFUN([LC_CONFIG_QUOTA], [
2444 AC_MSG_CHECKING([whether to enable quota support global control])
2445 AC_ARG_ENABLE([quota],
2446         AC_HELP_STRING([--enable-quota],
2447                 [enable quota support]),
2448         [], [enable_quota="yes"])
2449 AS_IF([test "x$enable_quota" = xyes],
2450         [AC_MSG_RESULT([yes])],
2451         [AC_MSG_RESULT([no])])
2452 ]) # LC_CONFIG_QUOTA
2453
2454 #
2455 # LC_QUOTA
2456 #
2457 AC_DEFUN([LC_QUOTA], [
2458 #check global
2459 LC_CONFIG_QUOTA
2460 #check for utils
2461 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
2462         AC_CHECK_HEADER([sys/quota.h],
2463                 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
2464                         [Define to 1 if you have <sys/quota.h>.])],
2465                 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2466 ])
2467 ]) # LC_QUOTA
2468
2469 #
2470 # LC_OSD_ADDON
2471 #
2472 # configure support for optional OSD implementation
2473 #
2474 AC_DEFUN([LC_OSD_ADDON], [
2475 AC_MSG_CHECKING([whether to use OSD addon])
2476 AC_ARG_WITH([osd],
2477         AC_HELP_STRING([--with-osd=path],
2478                 [set path to optional osd]),
2479         [
2480         case "$with_osd" in
2481         no)
2482                 ENABLEOSDADDON=0
2483                 ;;
2484         *)
2485                 OSDADDON="$with_osd"
2486                 ENABLEOSDADDON=1
2487                 ;;
2488         esac
2489         ], [
2490                 ENABLEOSDADDON=0
2491         ])
2492 AS_IF([test $ENABLEOSDADDON -eq 0], [
2493         AC_MSG_RESULT([no])
2494         OSDADDON=""
2495 ], [
2496         OSDMODNAME=$(basename $OSDADDON)
2497         AS_IF([test -e $LUSTRE/$OSDMODNAME], [
2498                 AC_MSG_RESULT([can't link])
2499                 OSDADDON=""
2500         ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
2501                 AC_MSG_RESULT([$OSDMODNAME])
2502                 OSDADDON="obj-m += $OSDMODNAME/"
2503         ], [
2504                 AC_MSG_RESULT([can't link])
2505                 OSDADDON=""
2506         ])
2507 ])
2508 AC_SUBST(OSDADDON)
2509 ]) # LC_OSD_ADDON
2510
2511 #
2512 # LC_CONFIG_CRYPTO
2513 #
2514 # Check whether to enable Lustre client crypto
2515 #
2516 AC_DEFUN([LC_CONFIG_CRYPTO], [
2517 AC_MSG_CHECKING([whether to enable Lustre client crypto])
2518 AC_ARG_ENABLE([crypto],
2519         AC_HELP_STRING([--enable-crypto],
2520                 [enable Lustre client crypto]),
2521         [], [enable_crypto="auto"])
2522 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno], [
2523         AC_MSG_RESULT(
2524         )
2525         LC_IS_ENCRYPTED
2526         LC_FSCRYPT_SUPPORT])
2527 AS_IF([test "x$has_fscrypt_support" = xyes], [
2528         AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via in-kernel fscrypt])
2529         enable_crypto=yes],
2530         [AS_IF([test "x$has_is_encrypted" = xyes], [
2531               AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via embedded llcrypt])
2532               AC_DEFINE(CONFIG_LL_ENCRYPTION, 1, [embedded llcrypt])
2533               enable_crypto=yes
2534               enable_llcrypt=yes], [
2535               AS_IF([test "x$enable_crypto" = xyes],
2536                     [AC_MSG_ERROR([Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.])])
2537               AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno],
2538                     [AC_MSG_WARN(Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.)])
2539               enable_crypto=no])])
2540 AS_IF([test "x$enable_dist" != xno], [
2541         enable_crypto=yes
2542         enable_llcrypt=yes])
2543 AC_MSG_RESULT([$enable_crypto])
2544 ]) # LC_CONFIG_CRYPTO
2545
2546 #
2547 # LC_CONFIGURE
2548 #
2549 # other configure checks
2550 #
2551 AC_DEFUN([LC_CONFIGURE], [
2552 AC_MSG_NOTICE([Lustre core checks
2553 ==============================================================================])
2554
2555 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
2556         [CFLAGS="$CFLAGS -Wall -Werror"])
2557
2558 # maximum MDS thread count
2559 LC_MDS_MAX_THREADS
2560
2561 # lustre/utils/gss/gss_util.c
2562 # lustre/utils/gss/gssd_proc.c
2563 # lustre/utils/gss/krb5_util.c
2564 # lustre/utils/llog_reader.c
2565 # lustre/utils/create_iam.c
2566 # lustre/utils/libiam.c
2567 AC_CHECK_HEADERS([netdb.h endian.h])
2568 AC_CHECK_FUNCS([gethostbyname])
2569
2570 # lustre/utils/llverfs.c lustre/utils/libmount_utils_ldiskfs.c
2571 AC_CHECK_HEADERS([ext2fs/ext2fs.h], [], [
2572         AS_IF([test "x$enable_utils" = xyes -a "x$enable_ldiskfs" = xyes], [
2573                 AC_MSG_ERROR([
2574 ext2fs.h not found. Please install e2fsprogs development package.
2575                 ])
2576         ])
2577 ])
2578
2579 # lustre/utils/lfs.c
2580 AS_IF([test "$enable_dist" = "no"], [
2581                 AC_CHECK_LIB([z], [crc32], [
2582                                  AC_CHECK_HEADER([zlib.h], [], [
2583                                                  AC_MSG_ERROR([zlib.h not found.])])
2584                                  ], [
2585                                  AC_MSG_ERROR([
2586                 zlib library not found. Please install zlib development package.])
2587                 ])
2588 ])
2589
2590 SELINUX=""
2591
2592 AC_CHECK_LIB([selinux], [is_selinux_enabled],
2593         [AC_CHECK_HEADERS([selinux/selinux.h],
2594                         [SELINUX="-lselinux"
2595                         AC_DEFINE([HAVE_SELINUX], 1,
2596                                 [support for selinux ])],
2597                         [AC_MSG_WARN([
2598
2599 No libselinux-devel package found, unable to build selinux enabled tools
2600 ])
2601 ])],
2602         [AC_MSG_WARN([
2603
2604 No selinux package found, unable to build selinux enabled tools
2605 ])
2606 ])
2607 AC_SUBST(SELINUX)
2608
2609 # Super safe df
2610 AC_MSG_CHECKING([whether to report minimum OST free space])
2611 AC_ARG_ENABLE([mindf],
2612         AC_HELP_STRING([--enable-mindf],
2613                 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2614         [], [enable_mindf="no"])
2615 AC_MSG_RESULT([$enable_mindf])
2616 AS_IF([test "$enable_mindf" = "yes"],
2617         [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
2618
2619 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2620 AC_ARG_ENABLE([fail_alloc],
2621         AC_HELP_STRING([--disable-fail-alloc],
2622                 [disable randomly alloc failure]),
2623         [], [enable_fail_alloc="yes"])
2624 AC_MSG_RESULT([$enable_fail_alloc])
2625 AS_IF([test "x$enable_fail_alloc" != xno],
2626         [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
2627                 [enable randomly alloc failure])])
2628
2629 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2630 AC_ARG_ENABLE([invariants],
2631         AC_HELP_STRING([--enable-invariants],
2632                 [enable invariant checking (cpu intensive)]),
2633         [], [enable_invariants="no"])
2634 AC_MSG_RESULT([$enable_invariants])
2635 AS_IF([test "x$enable_invariants" = xyes],
2636         [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
2637                 [enable invariant checking])])
2638
2639 AC_MSG_CHECKING([whether to track references with lu_ref])
2640 AC_ARG_ENABLE([lu_ref],
2641         AC_HELP_STRING([--enable-lu_ref],
2642                 [enable lu_ref reference tracking code]),
2643         [], [enable_lu_ref="no"])
2644 AC_MSG_RESULT([$enable_lu_ref])
2645 AS_IF([test "x$enable_lu_ref" = xyes],
2646         [AC_DEFINE([USE_LU_REF], 1,
2647                 [enable lu_ref reference tracking code])])
2648
2649 AC_MSG_CHECKING([whether to enable page state tracking])
2650 AC_ARG_ENABLE([pgstate-track],
2651         AC_HELP_STRING([--enable-pgstate-track],
2652                 [enable page state tracking]),
2653         [], [enable_pgstat_track="no"])
2654 AC_MSG_RESULT([$enable_pgstat_track])
2655 AS_IF([test "x$enable_pgstat_track" = xyes],
2656         [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
2657                 [enable page state tracking code])])
2658
2659 PKG_PROG_PKG_CONFIG
2660 AC_MSG_CHECKING([systemd unit file directory])
2661 AC_ARG_WITH([systemdsystemunitdir],
2662         [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
2663                 [Directory for systemd service files])],
2664         [], [with_systemdsystemunitdir=auto])
2665 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
2666         [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
2667         AS_IF([test "x$def_systemdsystemunitdir" = "x"],
2668                 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
2669                 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
2670                 with_systemdsystemunitdir=no],
2671         [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
2672 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
2673         [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
2674 AC_MSG_RESULT([$with_systemdsystemunitdir])
2675
2676 AC_MSG_CHECKING([bash-completion directory])
2677 AC_ARG_WITH([bash-completion-dir],
2678         AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
2679                 [Install the bash auto-completion script in this directory.]),
2680         [],
2681         [with_bash_completion_dir=yes])
2682 AS_IF([test "x$with_bash_completion_dir" = "xyes"], [
2683         BASH_COMPLETION_DIR="`pkg-config --variable=completionsdir bash-completion`"
2684         AS_IF([test "x$BASH_COMPLETION_DIR" = "x"], [
2685                 [BASH_COMPLETION_DIR="$datadir/bash-completion/completions"]
2686         ])
2687 ], [
2688         BASH_COMPLETION_DIR="$with_bash_completion_dir"
2689 ])
2690 AC_SUBST([BASH_COMPLETION_DIR])
2691 AC_MSG_RESULT([$BASH_COMPLETION_DIR])
2692 ]) # LC_CONFIGURE
2693
2694 #
2695 # LC_CONDITIONALS
2696 #
2697 # AM_CONDITIONALS for lustre
2698 #
2699 AC_DEFUN([LC_CONDITIONALS], [
2700 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2701 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2702 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2703 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2704 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2705 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2706 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2707 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2708 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
2709 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2710 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
2711 AM_CONDITIONAL(ENABLE_BASH_COMPLETION, test "x$with_bash_completion_dir" != "xno")
2712 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
2713 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
2714 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
2715 AM_CONDITIONAL(LLCRYPT, test x$enable_llcrypt = xyes)
2716 ]) # LC_CONDITIONALS
2717
2718 #
2719 # LC_CONFIG_FILES
2720 #
2721 # files that should be generated with AC_OUTPUT
2722 #
2723 AC_DEFUN([LC_CONFIG_FILES],
2724 [AC_CONFIG_FILES([
2725 lustre/Makefile
2726 lustre/autoMakefile
2727 lustre/autoconf/Makefile
2728 lustre/conf/Makefile
2729 lustre/conf/resource/Makefile
2730 lustre/contrib/Makefile
2731 lustre/doc/Makefile
2732 lustre/include/Makefile
2733 lustre/include/lustre/Makefile
2734 lustre/include/uapi/linux/lustre/Makefile
2735 lustre/kernel_patches/targets/4.18-rhel8.1.target
2736 lustre/kernel_patches/targets/4.18-rhel8.target
2737 lustre/kernel_patches/targets/3.10-rhel7.8.target
2738 lustre/kernel_patches/targets/3.10-rhel7.7.target
2739 lustre/kernel_patches/targets/3.10-rhel7.6.target
2740 lustre/kernel_patches/targets/3.10-rhel7.5.target
2741 lustre/kernel_patches/targets/4.14-rhel7.5.target
2742 lustre/kernel_patches/targets/4.14-rhel7.6.target
2743 lustre/kernel_patches/targets/3.0-sles11.target
2744 lustre/kernel_patches/targets/3.0-sles11sp3.target
2745 lustre/kernel_patches/targets/3.0-sles11sp4.target
2746 lustre/kernel_patches/targets/3.12-sles12.target
2747 lustre/kernel_patches/targets/4.4-sles12.target
2748 lustre/kernel_patches/targets/4.4-sles12sp3.target
2749 lustre/kernel_patches/targets/4.12-sles12sp4.target
2750 lustre/kernel_patches/targets/4.12-sles15sp1.target
2751 lustre/kernel_patches/targets/3.x-fc18.target
2752 lustre/ldlm/Makefile
2753 lustre/fid/Makefile
2754 lustre/fid/autoMakefile
2755 lustre/llite/Makefile
2756 lustre/llite/autoMakefile
2757 lustre/lov/Makefile
2758 lustre/lov/autoMakefile
2759 lustre/mdc/Makefile
2760 lustre/mdc/autoMakefile
2761 lustre/lmv/Makefile
2762 lustre/lmv/autoMakefile
2763 lustre/lfsck/Makefile
2764 lustre/lfsck/autoMakefile
2765 lustre/mdt/Makefile
2766 lustre/mdt/autoMakefile
2767 lustre/mdd/Makefile
2768 lustre/mdd/autoMakefile
2769 lustre/fld/Makefile
2770 lustre/fld/autoMakefile
2771 lustre/obdclass/Makefile
2772 lustre/obdclass/autoMakefile
2773 lustre/obdecho/Makefile
2774 lustre/obdecho/autoMakefile
2775 lustre/ofd/Makefile
2776 lustre/ofd/autoMakefile
2777 lustre/osc/Makefile
2778 lustre/osc/autoMakefile
2779 lustre/ost/Makefile
2780 lustre/ost/autoMakefile
2781 lustre/osd-ldiskfs/Makefile
2782 lustre/osd-ldiskfs/autoMakefile
2783 lustre/osd-zfs/Makefile
2784 lustre/osd-zfs/autoMakefile
2785 lustre/mgc/Makefile
2786 lustre/mgc/autoMakefile
2787 lustre/mgs/Makefile
2788 lustre/mgs/autoMakefile
2789 lustre/target/Makefile
2790 lustre/ptlrpc/Makefile
2791 lustre/ptlrpc/autoMakefile
2792 lustre/ptlrpc/gss/Makefile
2793 lustre/ptlrpc/gss/autoMakefile
2794 lustre/quota/Makefile
2795 lustre/quota/autoMakefile
2796 lustre/scripts/Makefile
2797 lustre/scripts/systemd/Makefile
2798 lustre/tests/Makefile
2799 lustre/tests/mpi/Makefile
2800 lustre/tests/kernel/Makefile
2801 lustre/tests/kernel/autoMakefile
2802 lustre/utils/Makefile
2803 lustre/utils/gss/Makefile
2804 lustre/osp/Makefile
2805 lustre/osp/autoMakefile
2806 lustre/lod/Makefile
2807 lustre/lod/autoMakefile
2808 ])
2809 ]) # LC_CONFIG_FILES