4 AC_DEFUN([LDISKFS_LINUX_SERIES], [
5 AC_MSG_CHECKING([which ldiskfs series to use])
6 case x$LDISKFS_SERIES in
9 *.series) # set externally
13 AS_IF([test -z "$LDISKFS_SERIES"], [
14 AS_IF([test x$RHEL_KERNEL = xyes], [
15 case $RHEL_RELEASE_NO in
16 81) LDISKFS_SERIES="4.18-rhel8.1.series" ;;
17 80) LDISKFS_SERIES="4.18-rhel8.series" ;;
18 77) LDISKFS_SERIES="3.10-rhel7.7.series" ;;
19 76) LDISKFS_SERIES="3.10-rhel7.6.series" ;;
20 75) LDISKFS_SERIES="3.10-rhel7.5.series" ;;
21 74) LDISKFS_SERIES="3.10-rhel7.4.series" ;;
22 73) LDISKFS_SERIES="3.10-rhel7.3.series" ;;
23 72) LDISKFS_SERIES="3.10-rhel7.2.series" ;;
24 71) LDISKFS_SERIES="3.10-rhel7.series" ;;
25 69) LDISKFS_SERIES="2.6-rhel6.9.series" ;;
26 68) LDISKFS_SERIES="2.6-rhel6.8.series" ;;
27 67) LDISKFS_SERIES="2.6-rhel6.7.series" ;;
28 66) LDISKFS_SERIES="2.6-rhel6.6.series" ;;
29 65) LDISKFS_SERIES="2.6-rhel6.5.series" ;;
30 64) LDISKFS_SERIES="2.6-rhel6.4.series" ;;
31 6[0-3]) LDISKFS_SERIES="2.6-rhel6.series" ;;
33 ], [test x$SUSE_KERNEL = xyes], [
34 AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.82],[
35 AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0],[
36 AS_VERSION_COMPARE([$LINUXRELEASE],[3.12.0],[
37 AS_VERSION_COMPARE([$LINUXRELEASE],[3.0.0],[
38 AS_VERSION_COMPARE([$LINUXRELEASE],[2.6.32], [],
39 [LDISKFS_SERIES="2.6-sles11.series"],[LDISKFS_SERIES="2.6-sles11.series"])],
40 [LDISKFS_SERIES="3.0-sles11.series"],[
41 PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
43 2) LDISKFS_SERIES="3.0-sles11.series"
45 3) LDISKFS_SERIES="3.0-sles11sp3.series"
47 4) LDISKFS_SERIES="3.0-sles11sp4.series"
50 ])],[LDISKFS_SERIES="3.12-sles12.series"],[
51 PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
53 1) LDISKFS_SERIES="3.12-sles12sp1.series"
55 *) LDISKFS_SERIES="3.12-sles12.series"
58 ])],[LDISKFS_SERIES="4.4-sles12sp2.series"],
59 [LDISKFS_SERIES="4.4-sles12sp2.series"]
60 )], [LDISKFS_SERIES="4.4-sles12sp3.series"],
61 [LDISKFS_SERIES="4.4-sles12sp3.series"])
62 ], [test x$UBUNTU_KERNEL = xyes], [
63 AS_VERSION_COMPARE([$LINUXRELEASE],[5.3.0],[
64 AS_VERSION_COMPARE([$LINUXRELEASE],[5.0.0],[
65 AS_VERSION_COMPARE([$LINUXRELEASE],[4.15.0],[
66 AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0], [],
68 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
71 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
72 LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"
74 [test $KPLEV -ge 73], [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"],
75 [test $KPLEV -ge 62], [LDISKFS_SERIES="4.4.0-62-ubuntu14+16.series"],
76 [test $KPLEV -ge 49], [LDISKFS_SERIES="4.4.0-49-ubuntu14+16.series"],
77 [LDISKFS_SERIES="4.4.0-45-ubuntu14+16.series"]
80 [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"])],
82 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
85 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
86 LDISKFS_SERIES="4.15.0-24-ubuntu18.series"
88 [test $KPLEV -ge 24], [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"],
89 [test $KPLEV -ge 20], [LDISKFS_SERIES="4.15.0-20-ubuntu18.series"]
92 [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"])],
93 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"],
94 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"])],
95 [LDISKFS_SERIES="5.4.0-ml.series"],
96 [LDISKFS_SERIES="5.4.0-ml.series"])
99 # Not RHEL/SLES or Ubuntu .. probably mainline
100 AS_IF([test -z "$LDISKFS_SERIES"],
102 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[],
103 [LDISKFS_SERIES="5.4.0-ml.series"],[
104 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],
105 [LDISKFS_SERIES="5.4.0-ml.series"], # lt
106 [LDISKFS_SERIES="5.4.0-ml.series"], # eq
107 [LDISKFS_SERIES="5.4.0-ml.series"] # gt
111 AS_IF([test -z "$LDISKFS_SERIES"],
112 [AC_MSG_RESULT([failed to identify series])],
113 [AC_MSG_RESULT([$LDISKFS_SERIES])])
114 AC_SUBST(LDISKFS_SERIES)
115 ]) # LDISKFS_LINUX_SERIES
118 # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
120 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
121 # Note that RHEL6 is pre 2.6.32-rc7 so this check is still needed.
123 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
124 LB_CHECK_COMPILE([if 'ext4_free_blocks' needs 'struct buffer_head'],
125 ext4_free_blocks_with_buffer_head, [
126 #include <linux/fs.h>
127 #include "$EXT4_SRC_DIR/ext4.h"
129 ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
131 AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
132 [ext4_free_blocks do not require struct buffer_head])
134 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
137 # LB_EXT4_JOURNAL_START_3ARGS
139 # 3.9 added a type argument to ext4_journal_start and friends
141 AC_DEFUN([LB_EXT4_JOURNAL_START_3ARGS], [
142 LB_CHECK_COMPILE([if ext4_journal_start takes 3 arguments],
143 ext4_journal_start, [
144 #include <linux/fs.h>
145 #include "$EXT4_SRC_DIR/ext4_jbd2.h"
147 ext4_journal_start(NULL, 0, 0);
149 AC_DEFINE(JOURNAL_START_HAS_3ARGS, 1, [ext4_journal_start takes 3 arguments])
151 ]) # LB_EXT4_JOURNAL_START_3ARGS
154 # LB_EXT4_BREAD_4ARGS
156 # 3.18 ext4_bread has 4 arguments
157 # NOTE: It may not be exported for modules, use a positive compiler test here.
159 AC_DEFUN([LB_EXT4_BREAD_4ARGS], [
160 LB_CHECK_COMPILE([if ext4_bread takes 4 arguments],
162 #include <linux/fs.h>
163 #include "$EXT4_SRC_DIR/ext4.h"
165 struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,
166 ext4_lblk_t block, int map_flags)
168 struct buffer_head *bh = NULL;
176 ext4_bread(NULL, NULL, 0, 0);
178 AC_DEFINE(HAVE_EXT4_BREAD_4ARGS, 1, [ext4_bread takes 4 arguments])
180 ]) # LB_EXT4_BREAD_4ARGS
183 # LB_EXT4_HAVE_INFO_DQUOT
185 # in linux 4.4 i_dqout is in ext4_inode_info, not in struct inode
187 AC_DEFUN([LB_EXT4_HAVE_INFO_DQUOT], [
188 LB_CHECK_COMPILE([if i_dquot is in ext4_inode_info],
190 #include <linux/fs.h>
191 #include <linux/quota.h>
192 #include "$EXT4_SRC_DIR/ext4.h"
194 struct ext4_inode_info in;
199 AC_DEFINE(HAVE_EXT4_INFO_DQUOT, 1, [i_dquot is in ext4_inode_info])
201 ]) # LB_EXT4_HAVE_INFO_DQUOT
204 # LB_EXT4_HAVE_I_CRYPT_INFO
206 # in linux 4.8 i_crypt_info moved from ext4_inode_info to struct inode
208 # Determine if we need to enable CONFIG_LDISKFS_FS_ENCRYPTION.
209 # If we have i_crypt_info in ext4_inode_info, the config option
210 # should be enabled to make the ldiskfs module compilation happy.
211 # Otherwise i_crypy_info is in struct inode, we need to check kernel
212 # config option to determine that.
214 AC_DEFUN([LB_EXT4_HAVE_I_CRYPT_INFO], [
215 LB_CHECK_COMPILE([if i_crypt_info is in ext4_inode_info],
217 #define CONFIG_EXT4_FS_ENCRYPTION 1
218 #include <linux/fs.h>
219 #include "$EXT4_SRC_DIR/ext4.h"
221 struct ext4_inode_info in;
223 in.i_crypt_info = NULL;
226 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
227 [enable encryption for ldiskfs]
230 LB_CHECK_CONFIG([EXT4_FS_ENCRYPTION],[
232 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
233 [enable encryption for ldiskfs]
237 ]) # LB_EXT4_HAVE_I_CRYPT_INFO
240 # LB_LDISKFS_IGET_HAS_FLAGS_ARG
242 # kernel 4.19 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
243 # ext4_iget changed to a macro with 3 args was function with 2 args
245 AC_DEFUN([LB_LDISKFS_IGET_HAS_FLAGS_ARG], [
246 tmp_flags="$EXTRA_KCFLAGS"
247 EXTRA_KCFLAGS="-Werror"
248 LB_CHECK_COMPILE([if ldiskfs_iget takes a flags argument],
250 #include <linux/fs.h>
251 #include "$EXT4_SRC_DIR/ext4.h"
253 int f = EXT4_IGET_SPECIAL;
256 AC_DEFINE(HAVE_LDISKFS_IGET_WITH_FLAGS, 1,
257 [if ldiskfs_iget takes a flags argument])
259 EXTRA_KCFLAGS="$tmp_flags"
260 ]) # LB_LDISKFS_IGET_HAS_FLAGS_ARG
263 # LDISKFS_AC_PATCH_PROGRAM
265 # Determine which program should be used to apply the patches to
266 # the ext4 source code to produce the ldiskfs source code.
268 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
269 AC_ARG_ENABLE([quilt],
270 [AC_HELP_STRING([--disable-quilt],
271 [disable use of quilt for ldiskfs])],
272 [AS_IF([test "x$enableval" = xno],
278 AS_IF([test x$use_quilt = xmaybe], [
279 AC_PATH_PROG([quilt_avail], [quilt], [no])
280 AS_IF([test x$quilt_avail = xno], [
287 AS_IF([test x$use_quilt = xno], [
288 AC_PATH_PROG([patch_avail], [patch], [no])
289 AS_IF([test x$patch_avail = xno], [
290 AC_MSG_ERROR([*** Need "quilt" or "patch" command])
293 ]) # LDISKFS_AC_PATCH_PROGRAM
296 # LB_HAVE_BVEC_ITER_ALL
298 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
299 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
301 AC_DEFUN([LB_HAVE_BVEC_ITER_ALL], [
302 tmp_flags="$EXTRA_KCFLAGS"
303 EXTRA_KCFLAGS="-Werror"
304 LB_CHECK_COMPILE([if bvec_iter_all exists for multi-page bvec iternation],
306 #include <linux/bvec.h>
308 struct bvec_iter_all iter;
311 AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
312 [if bvec_iter_all exists for multi-page bvec iternation])
314 EXTRA_KCFLAGS="$tmp_flags"
315 ]) # LB_HAVE_BVEC_ITER_ALL
318 # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
320 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
321 # ext4: avoid declaring fs inconsistent due to invalid file handles
322 # __ext4_find_entry became a helper function for ext4_find_entry
323 # conflicting with previous ldiskfs patches.
324 # ldiskfs patches map ext4_find_entry to ldiskfs_find_entry_locked to
325 # avoid conflicting with __ext4_find_entry
327 # When the following check succeeds __ext4_find_entry helper is not
330 AC_DEFUN([LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS], [
331 tmp_flags="$EXTRA_KCFLAGS"
332 EXTRA_KCFLAGS="-Werror"
333 LB_CHECK_COMPILE([if __ldiskfs_find_entry is available],
334 ldiskfs_find_entry_locked, [
335 #include <linux/fs.h>
336 #include "$EXT4_SRC_DIR/ext4.h"
337 #include "$EXT4_SRC_DIR/namei.c"
339 static int __ext4_find_entry(void) { return 0; }
341 int x = __ext4_find_entry();
344 AC_DEFINE(HAVE___LDISKFS_FIND_ENTRY, 1,
345 [if __ldiskfs_find_entry is available])
347 EXTRA_KCFLAGS="$tmp_flags"
348 ]) # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
351 # LB_LDISKFSFS_DIRHASH_WANTS_DIR
353 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
354 # ext4fs_dirhash UNICODE support
356 AC_DEFUN([LB_LDISKFSFS_DIRHASH_WANTS_DIR], [
357 tmp_flags="$EXTRA_KCFLAGS"
358 EXTRA_KCFLAGS="-Werror"
359 LB_CHECK_COMPILE([if ldiskfsfs_dirhash takes an inode argument],
361 #include <linux/fs.h>
362 #include "$EXT4_SRC_DIR/ext4.h"
364 int ext4fs_dirhash(const struct inode *dir, const char *name, int len,
365 struct dx_hash_info *hinfo)
374 int f = ext4fs_dirhash(NULL, NULL, 0, NULL);
377 AC_DEFINE(HAVE_LDISKFSFS_GETHASH_INODE_ARG, 1,
378 [if ldiskfsfs_dirhash takes an inode argument])
380 EXTRA_KCFLAGS="$tmp_flags"
381 ]) # LB_LDISKFSFS_DIRHASH_WANTS_DIR
386 AC_DEFUN([LB_CONFIG_LDISKFS], [
387 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
388 # However we continue to support this option through Lustre 2.5.
389 AC_ARG_WITH([ldiskfs],
391 [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
392 AS_IF([test x$withval != xyes -a x$withval != xno],
395 The ldiskfs option is deprecated,
396 and no longer supports paths to external ldiskfs source
400 AC_ARG_ENABLE([ldiskfs],
401 [AS_HELP_STRING([--disable-ldiskfs],
402 [disable ldiskfs osd (default is enable)])],
403 [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
404 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
405 [AS_IF([test "${with_ldiskfs+set}" = set],
406 [enable_ldiskfs=$with_ldiskfs],
407 [enable_ldiskfs=maybe])
410 AS_IF([test x$enable_server = xno],
411 [AS_CASE([$enable_ldiskfs],
412 [maybe], [enable_ldiskfs=no],
413 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
416 AS_IF([test x$enable_ldiskfs != xno],[
417 # In the future, we chould change enable_ldiskfs from maybe to
418 # either yes or no based on additional tests, e.g. whether a patch
419 # set is available for the detected kernel. For now, we just always
421 AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
422 AC_SUBST(ENABLE_LDISKFS, yes)
425 LDISKFS_AC_PATCH_PROGRAM
426 LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
427 LB_EXT4_JOURNAL_START_3ARGS
429 LB_EXT4_HAVE_INFO_DQUOT
430 LB_EXT4_HAVE_I_CRYPT_INFO
431 LB_LDISKFS_IGET_HAS_FLAGS_ARG
432 LB_HAVE_BVEC_ITER_ALL
433 LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
434 LB_LDISKFSFS_DIRHASH_WANTS_DIR
435 AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
436 AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
437 AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
438 AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
439 AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
440 AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
442 AC_SUBST(ENABLE_LDISKFS, no)
445 AC_MSG_CHECKING([whether to build ldiskfs])
446 AC_MSG_RESULT([$enable_ldiskfs])
448 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
449 ]) # LB_CONFIG_LDISKFS
452 # LB_VALIDATE_EXT4_SRC_DIR
454 # Spot check the existence of several source files common to ext4.
455 # Detecting this at configure time allows us to avoid a potential build
456 # failure and provide a useful error message to explain what is wrong.
458 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
459 enable_ldiskfs_build="no"
460 AS_IF([test -n "$EXT4_SRC_DIR"], [
461 enable_ldiskfs_build="yes"
462 LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
463 enable_ldiskfs_build="no"
464 AC_MSG_WARN([ext4 must exist for ldiskfs build])
466 LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
467 enable_ldiskfs_build="no"
468 AC_MSG_WARN([ext4 must exist for ldiskfs build])
470 LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
471 enable_ldiskfs_build="no"
472 AC_MSG_WARN([ext4 must exist for ldiskfs build])
474 LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
475 enable_ldiskfs_build="no"
476 AC_MSG_WARN([ext4 must exist for ldiskfs build])
480 AS_IF([test "x$enable_ldiskfs_build" = xno], [
485 Disabling ldiskfs support because complete ext4 source does not exist.
487 If you are building using kernel-devel packages and require ldiskfs
488 server support then ensure that the matching kernel-debuginfo-common
489 and kernel-debuginfo-common-<arch> packages are installed.
492 ]) # LB_VALIDATE_EXT4_SRC_DIR
497 # Determine the location of the ext4 source code. It it required
498 # for several configure tests and to build ldiskfs.
500 AC_DEFUN([LB_EXT4_SRC_DIR], [
501 AC_MSG_CHECKING([ext4 source directory])
502 # Kernel ext source located with devel headers
504 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
505 EXT4_SRC_DIR="$linux_src/fs/ext4"
507 # Kernel ext source provided by kernel-debuginfo-common package
508 # that extracted to $LINUX
509 linux_src=$(ls -1d $linux_src/../../debug/*/linux-${LINUXRELEASE%.*}* \
510 2>/dev/null | tail -1)
511 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
512 EXT4_SRC_DIR="$linux_src/fs/ext4"
514 # Kernel ext source provided by kernel-debuginfo-common package
515 linux_src=$(ls -1d /usr/src/debug/*/linux-${LINUXRELEASE%.*}* \
516 2>/dev/null | tail -1)
517 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
518 EXT4_SRC_DIR="$linux_src/fs/ext4"
524 AC_MSG_RESULT([$EXT4_SRC_DIR])
525 AC_SUBST(EXT4_SRC_DIR)
527 LB_VALIDATE_EXT4_SRC_DIR
531 # LB_DEFINE_E2FSPROGS_NAMES
533 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
535 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
536 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
537 AC_ARG_WITH([ldiskfsprogs],
538 AC_HELP_STRING([--with-ldiskfsprogs],
539 [use alternate names for ldiskfs-enabled e2fsprogs]),
542 AS_IF([test "x$withval" = xyes], [
543 AC_MSG_RESULT([enabled])
544 AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
545 E2FSPROGS="ldiskfsprogs"
546 MKE2FS="mkfs.ldiskfs"
547 DEBUGFS="debugfs.ldiskfs"
548 TUNE2FS="tunefs.ldiskfs"
549 E2LABEL="label.ldiskfs"
550 DUMPE2FS="dumpfs.ldiskfs"
551 E2FSCK="fsck.ldiskfs"
552 PFSCK="pfsck.ldiskfs"
554 AC_MSG_RESULT([disabled])
555 E2FSPROGS="e2fsprogs"
565 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
566 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
567 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
568 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
569 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
570 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
571 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
572 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
574 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
575 AC_SUBST([MKE2FS], [$MKE2FS])
576 AC_SUBST([DEBUGFS], [$DEBUGFS])
577 AC_SUBST([TUNE2FS], [$TUNE2FS])
578 AC_SUBST([E2LABEL], [$E2LABEL])
579 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
580 AC_SUBST([E2FSCK], [$E2FSCK])
581 AC_SUBST([PFSCK], [$PFSCK])
582 ]) # LB_DEFINE_E2FSPROGS_NAMES