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 $RHEL_RELEASE_NO in
16 82) LDISKFS_SERIES="4.18-rhel8.2.series" ;;
17 81) LDISKFS_SERIES="4.18-rhel8.1.series" ;;
18 80) LDISKFS_SERIES="4.18-rhel8.series" ;;
19 78) LDISKFS_SERIES="3.10-rhel7.8.series" ;;
20 77) LDISKFS_SERIES="3.10-rhel7.7.series" ;;
21 76) LDISKFS_SERIES="3.10-rhel7.6.series" ;;
23 ], [test x$SUSE_KERNEL = xyes], [
24 AS_VERSION_COMPARE([$LINUXRELEASE],[5.3.18],[
25 AS_VERSION_COMPARE([$LINUXRELEASE],[4.12.14],[], [], [
26 suse_conf=$LINUX_OBJ/include/generated/uapi/linux/suse_version.h
27 suse_vers=$(awk '[$]2 == "SUSE_VERSION" {print [$]3 }' $suse_conf)
28 suse_patchlevel=$(awk '[$]2 == "SUSE_PATCHLEVEL" {print [$]3 }' $suse_conf)
29 echo "$suse_conf $suse_vers $suse_patchlevel ${suse_vers}sp$suse_patchlevel" >> /tmp/log-nb
30 case ${suse_vers}sp$suse_patchlevel in # (
31 15sp0 ) LDISKFS_SERIES="4.12-sles15.series"
32 if test ! -f $LINUX/arch/x86/kernel/cpu/hygon.c ; then
33 # This file was added shortly after -150.22 so
34 # this must be 150.22 or earlier
35 LDISKFS_SERIES="4.12-sles15-22.series"
38 15sp1 ) LDISKFS_SERIES="4.12-sles15sp1.series"
39 if test ! -f $LINUX/arch/x86/kernel/cpu/umwait.c ; then
40 # This file was added after -197.7 so
41 # this must be -197.7 or earlier
42 LDISKFS_SERIES="4.12-sles15sp1-7.series"
47 )], [LDISKFS_SERIES="5.4.0-ml.series"],
48 [LDISKFS_SERIES="5.4.0-ml.series"])
49 ], [test x$UBUNTU_KERNEL = xyes], [
50 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[
51 AS_VERSION_COMPARE([$LINUXRELEASE],[5.0.0],[
52 AS_VERSION_COMPARE([$LINUXRELEASE],[4.15.0],[
53 AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0], [],
55 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
58 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
59 LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"
61 [test $KPLEV -ge 73], [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"],
62 [test $KPLEV -ge 62], [LDISKFS_SERIES="4.4.0-62-ubuntu14+16.series"],
63 [test $KPLEV -ge 49], [LDISKFS_SERIES="4.4.0-49-ubuntu14+16.series"],
64 [LDISKFS_SERIES="4.4.0-45-ubuntu14+16.series"]
67 [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"])],
69 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
72 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
73 LDISKFS_SERIES="4.15.0-24-ubuntu18.series"
75 [test $KPLEV -ge 24], [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"],
76 [test $KPLEV -ge 20], [LDISKFS_SERIES="4.15.0-20-ubuntu18.series"]
79 [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"])],
80 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"],
81 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"])],
82 [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
83 [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
84 [LDISKFS_SERIES="5.4.0-ml.series"])
87 # Not RHEL/SLES or Ubuntu .. probably mainline
88 AS_IF([test -z "$LDISKFS_SERIES"],
90 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[],
91 [LDISKFS_SERIES="5.4.0-ml.series"],[
92 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],
93 [LDISKFS_SERIES="5.4.0-ml.series"], # lt
94 [LDISKFS_SERIES="5.4.0-ml.series"], # eq
95 [LDISKFS_SERIES="5.4.0-ml.series"] # gt
99 AS_IF([test -z "$LDISKFS_SERIES"],
100 [AC_MSG_RESULT([failed to identify series])],
101 [AC_MSG_RESULT([$LDISKFS_SERIES for $LINUXRELEASE])])
102 AC_SUBST(LDISKFS_SERIES)
103 ]) # LDISKFS_LINUX_SERIES
106 # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
108 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
109 # Note that RHEL6 is pre 2.6.32-rc7 so this check is still needed.
111 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
112 LB_CHECK_COMPILE([if 'ext4_free_blocks' needs 'struct buffer_head'],
113 ext4_free_blocks_with_buffer_head, [
114 #include <linux/fs.h>
115 #include "$EXT4_SRC_DIR/ext4.h"
117 ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
119 AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
120 [ext4_free_blocks do not require struct buffer_head])
122 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
125 # LB_EXT4_JOURNAL_START_3ARGS
127 # 3.9 added a type argument to ext4_journal_start and friends
129 AC_DEFUN([LB_EXT4_JOURNAL_START_3ARGS], [
130 LB_CHECK_COMPILE([if ext4_journal_start takes 3 arguments],
131 ext4_journal_start, [
132 #include <linux/fs.h>
133 #include "$EXT4_SRC_DIR/ext4_jbd2.h"
135 ext4_journal_start(NULL, 0, 0);
137 AC_DEFINE(JOURNAL_START_HAS_3ARGS, 1, [ext4_journal_start takes 3 arguments])
139 ]) # LB_EXT4_JOURNAL_START_3ARGS
142 # LB_EXT4_BREAD_4ARGS
144 # 3.18 ext4_bread has 4 arguments
145 # NOTE: It may not be exported for modules, use a positive compiler test here.
147 AC_DEFUN([LB_EXT4_BREAD_4ARGS], [
148 LB_CHECK_COMPILE([if ext4_bread takes 4 arguments],
150 #include <linux/fs.h>
151 #include "$EXT4_SRC_DIR/ext4.h"
153 struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,
154 ext4_lblk_t block, int map_flags)
156 struct buffer_head *bh = NULL;
164 ext4_bread(NULL, NULL, 0, 0);
166 AC_DEFINE(HAVE_EXT4_BREAD_4ARGS, 1, [ext4_bread takes 4 arguments])
168 ]) # LB_EXT4_BREAD_4ARGS
171 # LB_EXT4_HAVE_INFO_DQUOT
173 # in linux 4.4 i_dqout is in ext4_inode_info, not in struct inode
175 AC_DEFUN([LB_EXT4_HAVE_INFO_DQUOT], [
176 LB_CHECK_COMPILE([if i_dquot is in ext4_inode_info],
178 #include <linux/fs.h>
179 #include <linux/quota.h>
180 #include "$EXT4_SRC_DIR/ext4.h"
182 struct ext4_inode_info in;
187 AC_DEFINE(HAVE_EXT4_INFO_DQUOT, 1, [i_dquot is in ext4_inode_info])
189 ]) # LB_EXT4_HAVE_INFO_DQUOT
192 # LB_EXT4_HAVE_I_CRYPT_INFO
194 # in linux 4.8 i_crypt_info moved from ext4_inode_info to struct inode
196 # Determine if we need to enable CONFIG_LDISKFS_FS_ENCRYPTION.
197 # If we have i_crypt_info in ext4_inode_info, the config option
198 # should be enabled to make the ldiskfs module compilation happy.
199 # Otherwise i_crypy_info is in struct inode, we need to check kernel
200 # config option to determine that.
202 AC_DEFUN([LB_EXT4_HAVE_I_CRYPT_INFO], [
203 LB_CHECK_COMPILE([if i_crypt_info is in ext4_inode_info],
205 #define CONFIG_EXT4_FS_ENCRYPTION 1
206 #include <linux/fs.h>
207 #include "$EXT4_SRC_DIR/ext4.h"
209 struct ext4_inode_info in;
211 in.i_crypt_info = NULL;
214 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
215 [enable encryption for ldiskfs]
218 LB_CHECK_CONFIG([EXT4_FS_ENCRYPTION],[
220 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
221 [enable encryption for ldiskfs]
225 ]) # LB_EXT4_HAVE_I_CRYPT_INFO
228 # LB_LDISKFS_IGET_HAS_FLAGS_ARG
230 # kernel 4.19 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
231 # ext4_iget changed to a macro with 3 args was function with 2 args
233 AC_DEFUN([LB_LDISKFS_IGET_HAS_FLAGS_ARG], [
234 tmp_flags="$EXTRA_KCFLAGS"
235 EXTRA_KCFLAGS="-Werror"
236 LB_CHECK_COMPILE([if ldiskfs_iget takes a flags argument],
238 #include <linux/fs.h>
239 #include "$EXT4_SRC_DIR/ext4.h"
241 int f = EXT4_IGET_SPECIAL;
244 AC_DEFINE(HAVE_LDISKFS_IGET_WITH_FLAGS, 1,
245 [if ldiskfs_iget takes a flags argument])
247 EXTRA_KCFLAGS="$tmp_flags"
248 ]) # LB_LDISKFS_IGET_HAS_FLAGS_ARG
251 # LDISKFS_AC_PATCH_PROGRAM
253 # Determine which program should be used to apply the patches to
254 # the ext4 source code to produce the ldiskfs source code.
256 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
257 AC_ARG_ENABLE([quilt],
258 [AC_HELP_STRING([--disable-quilt],
259 [disable use of quilt for ldiskfs])],
260 [AS_IF([test "x$enableval" = xno],
266 AS_IF([test x$use_quilt = xmaybe], [
267 AC_PATH_PROG([quilt_avail], [quilt], [no])
268 AS_IF([test x$quilt_avail = xno], [
275 AS_IF([test x$use_quilt = xno], [
276 AC_PATH_PROG([patch_avail], [patch], [no])
277 AS_IF([test x$patch_avail = xno], [
278 AC_MSG_ERROR([*** Need "quilt" or "patch" command])
281 ]) # LDISKFS_AC_PATCH_PROGRAM
284 # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
286 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
287 # ext4: avoid declaring fs inconsistent due to invalid file handles
288 # __ext4_find_entry became a helper function for ext4_find_entry
289 # conflicting with previous ldiskfs patches.
290 # ldiskfs patches map ext4_find_entry to ldiskfs_find_entry_locked to
291 # avoid conflicting with __ext4_find_entry
293 # When the following check succeeds __ext4_find_entry helper is not
296 AC_DEFUN([LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS], [
297 tmp_flags="$EXTRA_KCFLAGS"
298 EXTRA_KCFLAGS="-Werror"
299 LB_CHECK_COMPILE([if __ldiskfs_find_entry is available],
300 ldiskfs_find_entry_locked, [
301 #include <linux/fs.h>
302 #include "$EXT4_SRC_DIR/ext4.h"
303 #include "$EXT4_SRC_DIR/namei.c"
305 static int __ext4_find_entry(void) { return 0; }
307 int x = __ext4_find_entry();
310 AC_DEFINE(HAVE___LDISKFS_FIND_ENTRY, 1,
311 [if __ldiskfs_find_entry is available])
313 EXTRA_KCFLAGS="$tmp_flags"
314 ]) # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
317 # LB_LDISKFSFS_DIRHASH_WANTS_DIR
319 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
320 # ext4fs_dirhash UNICODE support
322 AC_DEFUN([LB_LDISKFSFS_DIRHASH_WANTS_DIR], [
323 tmp_flags="$EXTRA_KCFLAGS"
324 EXTRA_KCFLAGS="-Werror"
325 LB_CHECK_COMPILE([if ldiskfsfs_dirhash takes an inode argument],
327 #include <linux/fs.h>
328 #include "$EXT4_SRC_DIR/ext4.h"
330 int ext4fs_dirhash(const struct inode *dir, const char *name, int len,
331 struct dx_hash_info *hinfo)
340 int f = ext4fs_dirhash(NULL, NULL, 0, NULL);
343 AC_DEFINE(HAVE_LDISKFSFS_GETHASH_INODE_ARG, 1,
344 [ldiskfsfs_dirhash takes an inode argument])
346 EXTRA_KCFLAGS="$tmp_flags"
347 ]) # LB_LDISKFSFS_DIRHASH_WANTS_DIR
350 # LB_JBD2_H_TOTAL_CREDITS
352 # kernel 5.5 commit 933f1c1e0b75bbc29730eef07c9e196c6dfd37e5
353 # jbd2: Reserve space for revoke descriptor blocks
355 AC_DEFUN([LB_JBD2_H_TOTAL_CREDITS], [
356 tmp_flags="$EXTRA_KCFLAGS"
357 EXTRA_KCFLAGS="-Werror"
358 LB_CHECK_COMPILE([if struct jbd2_journal_handle has h_total_credits member],
359 handle_t_h_revoke_credits, [
360 #include <linux/jbd2.h>
362 int x = offsetof(struct jbd2_journal_handle, h_total_credits);
365 AC_DEFINE(HAVE_JOURNAL_TOTAL_CREDITS, 1,
366 [struct jbd2_journal_handle has h_total_credits member])
368 EXTRA_KCFLAGS="$tmp_flags"
369 ]) # LB_JBD2_H_TOTAL_CREDITS
374 AC_DEFUN([LB_CONFIG_LDISKFS], [
375 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
376 # However we continue to support this option through Lustre 2.5.
377 AC_ARG_WITH([ldiskfs],
379 [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
380 AS_IF([test x$withval != xyes -a x$withval != xno],
383 The ldiskfs option is deprecated,
384 and no longer supports paths to external ldiskfs source
388 AC_ARG_ENABLE([ldiskfs],
389 [AS_HELP_STRING([--disable-ldiskfs],
390 [disable ldiskfs osd (default is enable)])],
391 [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
392 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
393 [AS_IF([test "${with_ldiskfs+set}" = set],
394 [enable_ldiskfs=$with_ldiskfs],
395 [enable_ldiskfs=maybe])
398 AS_IF([test x$enable_server = xno],
399 [AS_CASE([$enable_ldiskfs],
400 [maybe], [enable_ldiskfs=no],
401 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
404 AS_IF([test x$enable_ldiskfs != xno],[
405 # In the future, we chould change enable_ldiskfs from maybe to
406 # either yes or no based on additional tests, e.g. whether a patch
407 # set is available for the detected kernel. For now, we just always
409 AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
410 AC_SUBST(ENABLE_LDISKFS, yes)
413 LDISKFS_AC_PATCH_PROGRAM
414 LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
415 LB_EXT4_JOURNAL_START_3ARGS
417 LB_EXT4_HAVE_INFO_DQUOT
418 LB_EXT4_HAVE_I_CRYPT_INFO
419 LB_LDISKFS_IGET_HAS_FLAGS_ARG
420 LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
421 LB_LDISKFSFS_DIRHASH_WANTS_DIR
422 LB_JBD2_H_TOTAL_CREDITS
423 AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
424 AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
425 AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
426 AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
427 AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
428 AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
430 AC_SUBST(ENABLE_LDISKFS, no)
433 AC_MSG_CHECKING([whether to build ldiskfs])
434 AC_MSG_RESULT([$enable_ldiskfs])
436 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
437 ]) # LB_CONFIG_LDISKFS
440 AC_DEFUN([LB_EXT4_SRC_DIR_SRC], [])
441 AC_DEFUN([LB_EXT4_SRC_DIR_RESULTS], [])
444 # LB_VALIDATE_EXT4_SRC_DIR
446 # Spot check the existence of several source files common to ext4.
447 # Detecting this at configure time allows us to avoid a potential build
448 # failure and provide a useful error message to explain what is wrong.
450 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
451 enable_ldiskfs_build="no"
452 AS_IF([test -n "$EXT4_SRC_DIR"], [
453 enable_ldiskfs_build="yes"
454 LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
455 enable_ldiskfs_build="no"
456 AC_MSG_WARN([ext4 must exist for ldiskfs build])
458 LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
459 enable_ldiskfs_build="no"
460 AC_MSG_WARN([ext4 must exist for ldiskfs build])
462 LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
463 enable_ldiskfs_build="no"
464 AC_MSG_WARN([ext4 must exist for ldiskfs build])
466 LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
467 enable_ldiskfs_build="no"
468 AC_MSG_WARN([ext4 must exist for ldiskfs build])
472 AS_IF([test "x$enable_ldiskfs_build" = xno], [
477 Disabling ldiskfs support because complete ext4 source does not exist.
479 If you are building using kernel-devel packages and require ldiskfs
480 server support then ensure that the matching kernel-debuginfo-common
481 and kernel-debuginfo-common-<arch> packages are installed.
484 ]) # LB_VALIDATE_EXT4_SRC_DIR
489 # Determine the location of the ext4 source code. It it required
490 # for several configure tests and to build ldiskfs.
492 AC_DEFUN([LB_EXT4_SRC_DIR], [
493 AC_MSG_CHECKING([ext4 source directory])
494 # Kernel ext source located with devel headers
496 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
497 EXT4_SRC_DIR="$linux_src/fs/ext4"
499 # Kernel ext source provided by kernel-debuginfo-common package
500 # that extracted to $LINUX
501 linux_src=$(ls -1d $linux_src/../../debug/*/linux-${LINUXRELEASE%.*}* \
502 2>/dev/null | tail -1)
503 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
504 EXT4_SRC_DIR="$linux_src/fs/ext4"
506 # Kernel ext source provided by kernel-debuginfo-common package
507 linux_src=$(ls -1d /usr/src/debug/*/linux-${LINUXRELEASE%.*}* \
508 2>/dev/null | tail -1)
509 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
510 EXT4_SRC_DIR="$linux_src/fs/ext4"
516 AC_MSG_RESULT([$EXT4_SRC_DIR])
517 AC_SUBST(EXT4_SRC_DIR)
519 LB_VALIDATE_EXT4_SRC_DIR
523 # LB_DEFINE_E2FSPROGS_NAMES
525 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
527 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
528 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
529 AC_ARG_WITH([ldiskfsprogs],
530 AC_HELP_STRING([--with-ldiskfsprogs],
531 [use alternate names for ldiskfs-enabled e2fsprogs]),
534 AS_IF([test "x$withval" = xyes], [
535 AC_MSG_RESULT([enabled])
536 AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
537 E2FSPROGS="ldiskfsprogs"
538 MKE2FS="mkfs.ldiskfs"
539 DEBUGFS="debugfs.ldiskfs"
540 TUNE2FS="tunefs.ldiskfs"
541 E2LABEL="label.ldiskfs"
542 DUMPE2FS="dumpfs.ldiskfs"
543 E2FSCK="fsck.ldiskfs"
544 PFSCK="pfsck.ldiskfs"
546 AC_MSG_RESULT([disabled])
547 E2FSPROGS="e2fsprogs"
557 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
558 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
559 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
560 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
561 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
562 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
563 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
564 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
566 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
567 AC_SUBST([MKE2FS], [$MKE2FS])
568 AC_SUBST([DEBUGFS], [$DEBUGFS])
569 AC_SUBST([TUNE2FS], [$TUNE2FS])
570 AC_SUBST([E2LABEL], [$E2LABEL])
571 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
572 AC_SUBST([E2FSCK], [$E2FSCK])
573 AC_SUBST([PFSCK], [$PFSCK])
574 ]) # LB_DEFINE_E2FSPROGS_NAMES