config/lustre-build-ldiskfs.m4

   1 #
   2 # LDISKFS_LINUX_SERIES
   3 #
   4 AC_DEFUN([LDISKFS_LINUX_SERIES], [
   5 AC_MSG_CHECKING([which ldiskfs series to use])
   6 case x$LDISKFS_SERIES in
   7         x)                      # not set
   8                 ;;
   9         *.series)               # set externally
  10                 ;;
  11         *) LDISKFS_SERIES=
  12 esac
  13 AS_IF([test -z "$LDISKFS_SERIES"], [
  14 AS_IF([test x$RHEL_KERNEL = xyes], [
  15         case $RHEL_RELEASE_NO in
  16         85)     LDISKFS_SERIES="4.18-rhel8.5.series"    ;;
  17         84)     LDISKFS_SERIES="4.18-rhel8.4.series"    ;;
  18         83)     LDISKFS_SERIES="4.18-rhel8.3.series"    ;;
  19         82)     LDISKFS_SERIES="4.18-rhel8.2.series"    ;;
  20         81)     LDISKFS_SERIES="4.18-rhel8.1.series"    ;;
  21         80)     LDISKFS_SERIES="4.18-rhel8.series"      ;;
  22         79)     LDISKFS_SERIES="3.10-rhel7.9.series"    ;;
  23         78)     LDISKFS_SERIES="3.10-rhel7.8.series"    ;;
  24         77)     LDISKFS_SERIES="3.10-rhel7.7.series"    ;;
  25         76)     LDISKFS_SERIES="3.10-rhel7.6.series"    ;;
  26         esac
  27 ], [test x$SUSE_KERNEL = xyes], [
  28         AS_VERSION_COMPARE([$LINUXRELEASE],[5.3.18],[
  29         AS_VERSION_COMPARE([$LINUXRELEASE],[4.12.14],[], [], [
  30                 suse_conf=$LINUX_OBJ/include/generated/uapi/linux/suse_version.h
  31                 suse_vers=$(awk '[$]2 == "SUSE_VERSION" {print [$]3 }' $suse_conf)
  32                 suse_patchlevel=$(awk '[$]2 == "SUSE_PATCHLEVEL" {print [$]3 }' $suse_conf)
  33                 echo "$suse_conf $suse_vers $suse_patchlevel  ${suse_vers}sp$suse_patchlevel" >> /tmp/log-nb
  34                 case ${suse_vers}sp$suse_patchlevel in # (
  35                 15sp0 ) LDISKFS_SERIES="4.12-sles15.series"
  36                         if test ! -f $LINUX/arch/x86/kernel/cpu/hygon.c ; then
  37                                 # This file was added shortly after -150.22 so
  38                                 # this must be 150.22 or earlier
  39                                 LDISKFS_SERIES="4.12-sles15-22.series"
  40                         fi
  41                         ;; # (
  42                 15sp1 ) LDISKFS_SERIES="4.12-sles15sp1.series"
  43                         if test ! -f $LINUX/arch/x86/kernel/cpu/umwait.c ; then
  44                                 # This file was added after -197.7 so
  45                                 # this must be -197.7 or earlier
  46                                 LDISKFS_SERIES="4.12-sles15sp1-7.series"
  47                         fi
  48                         ;;
  49                 esac
  50         ]
  51         )], [LDISKFS_SERIES="5.4.21-ml.series"],
  52             [
  53                 suse_conf=$LINUX_OBJ/include/generated/uapi/linux/suse_version.h
  54                 suse_vers=$(awk '[$]2 == "SUSE_VERSION" {print [$]3 }' $suse_conf)
  55                 suse_patchlevel=$(awk '[$]2 == "SUSE_PATCHLEVEL" {print [$]3 }' $suse_conf)
  56                 echo "$suse_conf $suse_vers $suse_patchlevel  ${suse_vers}sp$suse_patchlevel" >> /tmp/log-nb
  57
  58                 case ${suse_vers}sp${suse_patchlevel} in # (
  59                 15sp2 ) LDISKFS_SERIES="5.4.21-ml.series"
  60                         grep -A3 ext4_update_dx_flag $LINUX/fs/ext4/ext4.h \
  61                           | grep ext4_test_inode_flag
  62                         if test $? -eq 0; then
  63                                 LDISKFS_SERIES="5.4.0-66-ubuntu20.series"
  64                         fi
  65                         ;; # (
  66                 15sp3 ) LDISKFS_SERIES="5.3.18-sles15sp2.series"
  67                         ;;
  68                 esac
  69             ])
  70 ], [test x$UBUNTU_KERNEL = xyes], [
  71         AS_VERSION_COMPARE([$LINUXRELEASE],[5.8.0],[
  72         AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[
  73         AS_VERSION_COMPARE([$LINUXRELEASE],[5.0.0],[
  74         AS_VERSION_COMPARE([$LINUXRELEASE],[4.15.0],[
  75         AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0], [],
  76         [
  77                 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
  78                 AS_IF(
  79                         [test -z "$KPLEV"], [
  80                                 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
  81                                 LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"
  82                         ],
  83                         [test $KPLEV -ge 73], [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"],
  84                         [test $KPLEV -ge 62], [LDISKFS_SERIES="4.4.0-62-ubuntu14+16.series"],
  85                         [test $KPLEV -ge 49], [LDISKFS_SERIES="4.4.0-49-ubuntu14+16.series"],
  86                         [LDISKFS_SERIES="4.4.0-45-ubuntu14+16.series"]
  87                 )
  88         ],
  89         [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"])],
  90         [
  91                 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
  92                 AS_IF(
  93                         [test -z "$KPLEV"], [
  94                                 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
  95                                 LDISKFS_SERIES="4.15.0-24-ubuntu18.series"
  96                         ],
  97                         [test $KPLEV -ge 24], [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"],
  98                         [test $KPLEV -ge 20], [LDISKFS_SERIES="4.15.0-20-ubuntu18.series"]
  99                 )
 100         ],
 101         [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"])],
 102         [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"],
 103         [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"])],
 104         [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
 105         [
 106                 KPLEV=$(echo $LINUXRELEASE | cut -d'-' -f2)
 107                 AS_IF(
 108                         [test -z "$KPLEV"], [
 109                                 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
 110                                 LDISKFS_SERIES="5.4.0-80-ubuntu20.series"
 111                         ],
 112                         [test $KPLEV -eq 1007], [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
 113                         [test $KPLEV -ge 66], [LDISKFS_SERIES="5.4.0-66-ubuntu20.series"],
 114                         [test $KPLEV -ge 80], [LDISKFS_SERIES="5.4.0-80-ubuntu20.series"],
 115                         [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"]
 116                 )
 117         ],
 118         [LDISKFS_SERIES="5.4.0-ml.series"])],
 119         [LDISKFS_SERIES="5.8.0-53-ubuntu20.series"],
 120         [LDISKFS_SERIES="5.8.0-53-ubuntu20.series"],
 121         [LDISKFS_SERIES="5.8.0-ml.series"])
 122 ])
 123 ])
 124 # Not RHEL/SLES or Ubuntu .. probably mainline
 125 AS_IF([test -z "$LDISKFS_SERIES"],
 126         [
 127         AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[],
 128         [LDISKFS_SERIES="5.4.0-ml.series"],[
 129         AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.21],
 130           [LDISKFS_SERIES="5.4.0-ml.series"],  # lt
 131           [LDISKFS_SERIES="5.4.21-ml.series"], # eq
 132           [AS_VERSION_COMPARE([$LINUXRELEASE],[5.8.0],
 133             [LDISKFS_SERIES="5.4.136-ml.series"], # lt
 134             [LDISKFS_SERIES="5.8.0-ml.series"],  # eq
 135             [AS_VERSION_COMPARE([$LINUXRELEASE],[5.9.0],
 136               [LDISKFS_SERIES="5.8.0-ml.series"],  # lt
 137               [LDISKFS_SERIES="5.9.0-ml.series"],  # eq
 138               [LDISKFS_SERIES="5.9.0-ml.series"],  # gt
 139             )]
 140           )]
 141                 )])
 142         ],
 143 [])
 144 AS_IF([test -z "$LDISKFS_SERIES"],
 145         [AC_MSG_RESULT([failed to identify series])],
 146         [AC_MSG_RESULT([$LDISKFS_SERIES for $LINUXRELEASE])])
 147 AC_SUBST(LDISKFS_SERIES)
 148 ]) # LDISKFS_LINUX_SERIES
 149
 150 #
 151 # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
 152 #
 153 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
 154 # Note that RHEL6 is pre 2.6.32-rc7 so this check is still needed.
 155 #
 156 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
 157 LB_CHECK_COMPILE([if 'ext4_free_blocks' needs 'struct buffer_head'],
 158 ext4_free_blocks_with_buffer_head, [
 159         #include <linux/fs.h>
 160         #include "$EXT4_SRC_DIR/ext4.h"
 161 ],[
 162         ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
 163 ],[
 164         AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
 165                 [ext4_free_blocks do not require struct buffer_head])
 166 ])
 167 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
 168
 169 #
 170 # LB_EXT4_JOURNAL_START_3ARGS
 171 #
 172 # 3.9 added a type argument to ext4_journal_start and friends
 173 #
 174 AC_DEFUN([LB_EXT4_JOURNAL_START_3ARGS], [
 175 LB_CHECK_COMPILE([if ext4_journal_start takes 3 arguments],
 176 ext4_journal_start, [
 177         #include <linux/fs.h>
 178         #include "$EXT4_SRC_DIR/ext4_jbd2.h"
 179 ],[
 180         ext4_journal_start(NULL, 0, 0);
 181 ],[
 182         AC_DEFINE(JOURNAL_START_HAS_3ARGS, 1, [ext4_journal_start takes 3 arguments])
 183 ])
 184 ]) # LB_EXT4_JOURNAL_START_3ARGS
 185
 186 #
 187 # LB_EXT4_BREAD_4ARGS
 188 #
 189 # 3.18 ext4_bread has 4 arguments
 190 # NOTE: It may not be exported for modules, use a positive compiler test here.
 191 #
 192 AC_DEFUN([LB_EXT4_BREAD_4ARGS], [
 193 LB_CHECK_COMPILE([if ext4_bread takes 4 arguments],
 194 ext4_bread, [
 195         #include <linux/fs.h>
 196         #include "$EXT4_SRC_DIR/ext4.h"
 197
 198         struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,
 199                                        ext4_lblk_t block, int map_flags)
 200         {
 201                 struct buffer_head *bh = NULL;
 202                 (void)handle;
 203                 (void)inode;
 204                 (void)block;
 205                 (void)map_flags;
 206                 return bh;
 207         }
 208 ],[
 209         ext4_bread(NULL, NULL, 0, 0);
 210 ],[
 211         AC_DEFINE(HAVE_EXT4_BREAD_4ARGS, 1, [ext4_bread takes 4 arguments])
 212 ])
 213 ]) # LB_EXT4_BREAD_4ARGS
 214
 215 #
 216 # LB_EXT4_HAVE_INFO_DQUOT
 217 #
 218 # in linux 4.4 i_dqout is in ext4_inode_info, not in struct inode
 219 #
 220 AC_DEFUN([LB_EXT4_HAVE_INFO_DQUOT], [
 221 LB_CHECK_COMPILE([if i_dquot is in ext4_inode_info],
 222 ext4_info_dquot, [
 223         #include <linux/fs.h>
 224         #include <linux/quota.h>
 225         #include "$EXT4_SRC_DIR/ext4.h"
 226 ],[
 227         struct ext4_inode_info in;
 228         struct dquot *dq;
 229
 230         dq = in.i_dquot[0];
 231 ],[
 232         AC_DEFINE(HAVE_EXT4_INFO_DQUOT, 1, [i_dquot is in ext4_inode_info])
 233 ])
 234 ]) # LB_EXT4_HAVE_INFO_DQUOT
 235
 236 #
 237 # LB_EXT4_HAVE_I_CRYPT_INFO
 238 #
 239 # in linux 4.8 i_crypt_info moved from ext4_inode_info to struct inode
 240 #
 241 # Determine if we need to enable CONFIG_LDISKFS_FS_ENCRYPTION.
 242 # If we have i_crypt_info in ext4_inode_info, the config option
 243 # should be enabled to make the ldiskfs module compilation happy.
 244 # Otherwise i_crypy_info is in struct inode, we need to check kernel
 245 # config option to determine that.
 246 #
 247 AC_DEFUN([LB_EXT4_HAVE_I_CRYPT_INFO], [
 248 LB_CHECK_COMPILE([if i_crypt_info is in ext4_inode_info],
 249 ext4_i_crypt_info, [
 250         #define CONFIG_EXT4_FS_ENCRYPTION 1
 251         #include <linux/fs.h>
 252         #include "$EXT4_SRC_DIR/ext4.h"
 253 ],[
 254         struct ext4_inode_info in;
 255
 256         in.i_crypt_info = NULL;
 257 ],[
 258         AC_DEFINE(
 259                 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
 260                 [enable encryption for ldiskfs]
 261         )
 262 ],[
 263         LB_CHECK_CONFIG([EXT4_FS_ENCRYPTION],[
 264                 AC_DEFINE(
 265                         CONFIG_LDISKFS_FS_ENCRYPTION, 1,
 266                         [enable encryption for ldiskfs]
 267                 )
 268         ])
 269 ])
 270 ]) # LB_EXT4_HAVE_I_CRYPT_INFO
 271
 272 #
 273 # LB_LDISKFS_JOURNAL_ENSURE_CREDITS
 274 #
 275 # kernel 4.18.0-240.1.1.el8 and
 276 # kernel 5.4 commit a413036791d040e33badcc634453a4d0c0705499
 277 #
 278 # ext4_journal_ensure_credits was introduced to ensure given handle
 279 # has at least requested amount of credits available, and possibly
 280 # restarting transaction if needed.
 281 #
 282 AC_DEFUN([LB_LDISKFS_JOURNAL_ENSURE_CREDITS], [
 283 tmp_flags="$EXTRA_KCFLAGS"
 284 EXTRA_KCFLAGS="-Werror"
 285 LB_CHECK_COMPILE([if 'ext4_journal_ensure_credits' exists],
 286 ext4_journal_ensure_credits, [
 287         #include "$EXT4_SRC_DIR/ext4_jbd2.h"
 288         int __ext4_journal_ensure_credits(handle_t *handle, int check_cred,
 289                 int extend_cred, int revoke_cred) { return 0; }
 290 ],[
 291         ext4_journal_ensure_credits(NULL, 0, 0);
 292 ],[
 293         AC_DEFINE(HAVE_LDISKFS_JOURNAL_ENSURE_CREDITS, 1,
 294                 ['ext4_journal_ensure_credits' exists])
 295 ])
 296 EXTRA_KCFLAGS="$tmp_flags"
 297 ]) # LB_LDISKFS_JOURNAL_ENSURE_CREDITS
 298
 299 #
 300 # LB_LDISKFS_IGET_HAS_FLAGS_ARG
 301 #
 302 # kernel 4.19 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
 303 # ext4_iget changed to a macro with 3 args was function with 2 args
 304 #
 305 AC_DEFUN([LB_LDISKFS_IGET_HAS_FLAGS_ARG], [
 306 tmp_flags="$EXTRA_KCFLAGS"
 307 EXTRA_KCFLAGS="-Werror"
 308 LB_CHECK_COMPILE([if ldiskfs_iget takes a flags argument],
 309 ext4_iget_3args, [
 310         #include <linux/fs.h>
 311         #include "$EXT4_SRC_DIR/ext4.h"
 312 ],[
 313         int f = EXT4_IGET_SPECIAL;
 314         (void)f;
 315 ],[
 316         AC_DEFINE(HAVE_LDISKFS_IGET_WITH_FLAGS, 1,
 317                 [if ldiskfs_iget takes a flags argument])
 318 ])
 319 EXTRA_KCFLAGS="$tmp_flags"
 320 ]) # LB_LDISKFS_IGET_HAS_FLAGS_ARG
 321
 322 #
 323 # LDISKFS_AC_PATCH_PROGRAM
 324 #
 325 # Determine which program should be used to apply the patches to
 326 # the ext4 source code to produce the ldiskfs source code.
 327 #
 328 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
 329         AC_ARG_ENABLE([quilt],
 330                 [AC_HELP_STRING([--disable-quilt],
 331                         [disable use of quilt for ldiskfs])],
 332                 [AS_IF([test "x$enableval" = xno],
 333                         [use_quilt=no],
 334                         [use_quilt=maybe])],
 335                 [use_quilt=maybe]
 336         )
 337
 338         AS_IF([test x$use_quilt = xmaybe], [
 339                 AC_PATH_PROG([quilt_avail], [quilt], [no])
 340                 AS_IF([test x$quilt_avail = xno], [
 341                         use_quilt=no
 342                 ], [
 343                         use_quilt=yes
 344                 ])
 345         ])
 346
 347         AS_IF([test x$use_quilt = xno], [
 348                 AC_PATH_PROG([patch_avail], [patch], [no])
 349                 AS_IF([test x$patch_avail = xno], [
 350                         AC_MSG_ERROR([*** Need "quilt" or "patch" command])
 351                 ])
 352         ])
 353 ]) # LDISKFS_AC_PATCH_PROGRAM
 354
 355 #
 356 # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
 357 #
 358 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
 359 # ext4: avoid declaring fs inconsistent due to invalid file handles
 360 # __ext4_find_entry became a helper function for ext4_find_entry
 361 # conflicting with previous ldiskfs patches.
 362 # ldiskfs patches map ext4_find_entry to ldiskfs_find_entry_locked to
 363 # avoid conflicting with __ext4_find_entry
 364 #
 365 # When the following check succeeds __ext4_find_entry helper is not
 366 # used.
 367 #
 368 AC_DEFUN([LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS], [
 369 tmp_flags="$EXTRA_KCFLAGS"
 370 EXTRA_KCFLAGS="-Werror"
 371 LB_CHECK_COMPILE([if __ldiskfs_find_entry is available],
 372 ldiskfs_find_entry_locked, [
 373         #include <linux/fs.h>
 374         #include "$EXT4_SRC_DIR/ext4.h"
 375         #include "$EXT4_SRC_DIR/namei.c"
 376
 377         static int __ext4_find_entry(void) { return 0; }
 378 ],[
 379         int x = __ext4_find_entry();
 380         (void)x;
 381 ],[
 382         AC_DEFINE(HAVE___LDISKFS_FIND_ENTRY, 1,
 383                 [if __ldiskfs_find_entry is available])
 384 ])
 385 EXTRA_KCFLAGS="$tmp_flags"
 386 ]) # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
 387
 388 #
 389 # LB_LDISKFSFS_DIRHASH_WANTS_DIR
 390 #
 391 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
 392 # ext4fs_dirhash UNICODE support
 393 #
 394 AC_DEFUN([LB_LDISKFSFS_DIRHASH_WANTS_DIR], [
 395 tmp_flags="$EXTRA_KCFLAGS"
 396 EXTRA_KCFLAGS="-Werror"
 397 LB_CHECK_COMPILE([if ldiskfsfs_dirhash takes an inode argument],
 398 ext4fs_dirhash, [
 399         #include <linux/fs.h>
 400         #include "$EXT4_SRC_DIR/ext4.h"
 401
 402         int ext4fs_dirhash(const struct inode *dir, const char *name, int len,
 403                           struct dx_hash_info *hinfo)
 404         {
 405                 (void)dir;
 406                 (void)name;
 407                 (void)len;
 408                 (void)hinfo;
 409                 return 0;
 410         }
 411 ],[
 412         int f = ext4fs_dirhash(NULL, NULL, 0, NULL);
 413         (void)f;
 414 ],[
 415         AC_DEFINE(HAVE_LDISKFSFS_GETHASH_INODE_ARG, 1,
 416                 [ldiskfsfs_dirhash takes an inode argument])
 417 ])
 418 EXTRA_KCFLAGS="$tmp_flags"
 419 ]) # LB_LDISKFSFS_DIRHASH_WANTS_DIR
 420
 421 #
 422 # LB_JBD2_H_TOTAL_CREDITS
 423 #
 424 # kernel 5.5 commit 933f1c1e0b75bbc29730eef07c9e196c6dfd37e5
 425 # jbd2: Reserve space for revoke descriptor blocks
 426 #
 427 AC_DEFUN([LB_JBD2_H_TOTAL_CREDITS], [
 428 tmp_flags="$EXTRA_KCFLAGS"
 429 EXTRA_KCFLAGS="-Werror"
 430 LB_CHECK_COMPILE([if struct jbd2_journal_handle has h_total_credits member],
 431 handle_t_h_revoke_credits, [
 432         #include <linux/jbd2.h>
 433 ],[
 434         int x = offsetof(struct jbd2_journal_handle, h_total_credits);
 435         (void)x;
 436 ],[
 437         AC_DEFINE(HAVE_JOURNAL_TOTAL_CREDITS, 1,
 438                 [struct jbd2_journal_handle has h_total_credits member])
 439 ])
 440 EXTRA_KCFLAGS="$tmp_flags"
 441 ]) # LB_JBD2_H_TOTAL_CREDITS
 442
 443 #
 444 # LB_EXT4_GET_BLOCKS_KEEP_SIZE
 445 #
 446 # kernel 5.6-rc4 commit 9e52484c713321e84e8834803a44ca0a001376d2
 447 # ext4: remove EXT4_GET_BLOCKS_KEEP_SIZE flag
 448 #
 449 AC_DEFUN([LB_EXT4_GET_BLOCKS_KEEP_SIZE], [
 450 tmp_flags="$EXTRA_KCFLAGS"
 451 EXTRA_KCFLAGS="-Werror"
 452 LB_CHECK_COMPILE([if EXT4_GET_BLOCKS_KEEP_SIZE exists],
 453 ext4_get_blocks_keep_size, [
 454         #include <linux/fs.h>
 455         #include "$EXT4_SRC_DIR/ext4.h"
 456 ],[
 457         int f = EXT4_IGET_SPECIAL;
 458         (void)f;
 459 ],[
 460         AC_DEFINE(HAVE_LDISKFS_GET_BLOCKS_KEEP_SIZE, 1,
 461                 [EXT4_GET_BLOCKS_KEEP_SIZE hasn't been removed])
 462 ])
 463 EXTRA_KCFLAGS="$tmp_flags"
 464 ]) # LB_EXT4_GET_BLOCKS_KEEP_SIZE
 465
 466 #
 467 # LB_CONFIG_LDISKFS
 468 #
 469 AC_DEFUN([LB_CONFIG_LDISKFS], [
 470 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
 471 # However we continue to support this option through Lustre 2.5.
 472 AC_ARG_WITH([ldiskfs],
 473         [],
 474         [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
 475         AS_IF([test x$withval != xyes -a x$withval != xno],
 476                 [AC_MSG_ERROR([
 477
 478 The ldiskfs option is deprecated,
 479 and no longer supports paths to external ldiskfs source
 480 ])])
 481 ])
 482
 483 AC_ARG_ENABLE([ldiskfs],
 484         [AS_HELP_STRING([--disable-ldiskfs],
 485                 [disable ldiskfs osd (default is enable)])],
 486         [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
 487                 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
 488         [AS_IF([test "${with_ldiskfs+set}" = set],
 489                 [enable_ldiskfs=$with_ldiskfs],
 490                 [enable_ldiskfs=maybe])
 491 ])
 492
 493 AS_IF([test x$enable_server = xno],
 494         [AS_CASE([$enable_ldiskfs],
 495                 [maybe], [enable_ldiskfs=no],
 496                 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
 497         )])
 498
 499 AS_IF([test x$enable_ldiskfs != xno],[
 500         # In the future, we chould change enable_ldiskfs from maybe to
 501         # either yes or no based on additional tests, e.g.  whether a patch
 502         # set is available for the detected kernel.  For now, we just always
 503         # set it to "yes".
 504         AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
 505         AC_SUBST(ENABLE_LDISKFS, yes)
 506
 507         LDISKFS_LINUX_SERIES
 508         LDISKFS_AC_PATCH_PROGRAM
 509         LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
 510         LB_EXT4_JOURNAL_START_3ARGS
 511         LB_EXT4_BREAD_4ARGS
 512         LB_EXT4_HAVE_INFO_DQUOT
 513         LB_EXT4_HAVE_I_CRYPT_INFO
 514         LB_LDISKFS_JOURNAL_ENSURE_CREDITS
 515         LB_LDISKFS_IGET_HAS_FLAGS_ARG
 516         LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
 517         LB_LDISKFSFS_DIRHASH_WANTS_DIR
 518         LB_JBD2_H_TOTAL_CREDITS
 519         LB_EXT4_GET_BLOCKS_KEEP_SIZE
 520         AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
 521         AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
 522         AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
 523         AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
 524         AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
 525         AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
 526 ], [
 527         AC_SUBST(ENABLE_LDISKFS, no)
 528 ])
 529
 530 AC_MSG_CHECKING([whether to build ldiskfs])
 531 AC_MSG_RESULT([$enable_ldiskfs])
 532
 533 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
 534 ]) # LB_CONFIG_LDISKFS
 535
 536
 537 AC_DEFUN([LB_EXT4_SRC_DIR_SRC], [])
 538 AC_DEFUN([LB_EXT4_SRC_DIR_RESULTS], [])
 539
 540 #
 541 # LB_VALIDATE_EXT4_SRC_DIR
 542 #
 543 # Spot check the existence of several source files common to ext4.
 544 # Detecting this at configure time allows us to avoid a potential build
 545 # failure and provide a useful error message to explain what is wrong.
 546 #
 547 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
 548 enable_ldiskfs_build="no"
 549 AS_IF([test -n "$EXT4_SRC_DIR"], [
 550         enable_ldiskfs_build="yes"
 551         LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
 552                 enable_ldiskfs_build="no"
 553                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 554         ])
 555         LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
 556                 enable_ldiskfs_build="no"
 557                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 558         ])
 559         LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
 560                 enable_ldiskfs_build="no"
 561                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 562         ])
 563         LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
 564                 enable_ldiskfs_build="no"
 565                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 566         ])
 567 ])
 568
 569 AS_IF([test "x$enable_ldiskfs_build" = xno], [
 570         enable_ldiskfs="no"
 571
 572         AC_MSG_WARN([
 573
 574 Disabling ldiskfs support because complete ext4 source does not exist.
 575
 576 If you are building using kernel-devel packages and require ldiskfs
 577 server support then ensure that the matching kernel-debuginfo-common
 578 and kernel-debuginfo-common-<arch> packages are installed.
 579 ])
 580 ])
 581 ]) # LB_VALIDATE_EXT4_SRC_DIR
 582
 583 #
 584 # LB_EXT4_SRC_DIR
 585 #
 586 # Determine the location of the ext4 source code.  It it required
 587 # for several configure tests and to build ldiskfs.
 588 #
 589 AC_DEFUN([LB_EXT4_SRC_DIR], [
 590 AC_MSG_CHECKING([ext4 source directory])
 591 # Kernel ext source located with devel headers
 592 linux_src=$LINUX
 593 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
 594         EXT4_SRC_DIR="$linux_src/fs/ext4"
 595 ], [
 596         # Kernel ext source provided by kernel-debuginfo-common package
 597         # that extracted to $LINUX
 598         linux_src=$(ls -1d $linux_src/../../debug/*/linux-${LINUXRELEASE%.*}* \
 599                 2>/dev/null | tail -1)
 600         AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
 601                 EXT4_SRC_DIR="$linux_src/fs/ext4"
 602         ], [
 603                 # Kernel ext source provided by kernel-debuginfo-common package
 604                 linux_src=$(ls -1d /usr/src/debug/*/linux-${LINUXRELEASE%.*}* \
 605                         2>/dev/null | tail -1)
 606                 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
 607                         EXT4_SRC_DIR="$linux_src/fs/ext4"
 608                 ], [
 609                         EXT4_SRC_DIR=""
 610                 ])
 611         ])
 612 ])
 613 AC_MSG_RESULT([$EXT4_SRC_DIR])
 614 AC_SUBST(EXT4_SRC_DIR)
 615
 616 LB_VALIDATE_EXT4_SRC_DIR
 617 ]) # LB_EXT4_SRC_DIR
 618
 619 #
 620 # LB_DEFINE_E2FSPROGS_NAMES
 621 #
 622 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
 623 #
 624 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
 625 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
 626 AC_ARG_WITH([ldiskfsprogs],
 627         AC_HELP_STRING([--with-ldiskfsprogs],
 628                 [use alternate names for ldiskfs-enabled e2fsprogs]),
 629         [], [withval="no"])
 630
 631 AS_IF([test "x$withval" = xyes], [
 632         AC_MSG_RESULT([enabled])
 633         AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
 634         E2FSPROGS="ldiskfsprogs"
 635         MKE2FS="mkfs.ldiskfs"
 636         DEBUGFS="debugfs.ldiskfs"
 637         TUNE2FS="tunefs.ldiskfs"
 638         E2LABEL="label.ldiskfs"
 639         DUMPE2FS="dumpfs.ldiskfs"
 640         E2FSCK="fsck.ldiskfs"
 641         PFSCK="pfsck.ldiskfs"
 642 ], [
 643         AC_MSG_RESULT([disabled])
 644         E2FSPROGS="e2fsprogs"
 645         MKE2FS="mke2fs"
 646         DEBUGFS="debugfs"
 647         TUNE2FS="tune2fs"
 648         E2LABEL="e2label"
 649         DUMPE2FS="dumpe2fs"
 650         E2FSCK="e2fsck"
 651         PFSCK="fsck"
 652 ])
 653
 654 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
 655 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
 656 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
 657 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
 658 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
 659 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
 660 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
 661 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
 662
 663 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
 664 AC_SUBST([MKE2FS], [$MKE2FS])
 665 AC_SUBST([DEBUGFS], [$DEBUGFS])
 666 AC_SUBST([TUNE2FS], [$TUNE2FS])
 667 AC_SUBST([E2LABEL], [$E2LABEL])
 668 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
 669 AC_SUBST([E2FSCK], [$E2FSCK])
 670 AC_SUBST([PFSCK], [$PFSCK])
 671 ]) # LB_DEFINE_E2FSPROGS_NAMES