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 $RHEL_RELEASE_NO in
16 86) LDISKFS_SERIES="4.18-rhel8.6.series" ;;
17 85) LDISKFS_SERIES="4.18-rhel8.5.series" ;;
18 84) LDISKFS_SERIES="4.18-rhel8.4.series" ;;
19 83) LDISKFS_SERIES="4.18-rhel8.3.series" ;;
20 82) LDISKFS_SERIES="4.18-rhel8.2.series" ;;
21 81) LDISKFS_SERIES="4.18-rhel8.1.series" ;;
22 80) LDISKFS_SERIES="4.18-rhel8.series" ;;
23 79) LDISKFS_SERIES="3.10-rhel7.9.series" ;;
24 78) LDISKFS_SERIES="3.10-rhel7.8.series" ;;
25 77) LDISKFS_SERIES="3.10-rhel7.7.series" ;;
26 76) LDISKFS_SERIES="3.10-rhel7.6.series" ;;
28 ], [test x$SUSE_KERNEL = xyes], [
29 AS_VERSION_COMPARE([$LINUXRELEASE],[5.3.18],[
30 AS_VERSION_COMPARE([$LINUXRELEASE],[4.12.14],[], [], [
31 suse_conf=$LINUX_OBJ/include/generated/uapi/linux/suse_version.h
32 suse_vers=$(awk '[$]2 == "SUSE_VERSION" {print [$]3 }' $suse_conf)
33 suse_patchlevel=$(awk '[$]2 == "SUSE_PATCHLEVEL" {print [$]3 }' $suse_conf)
34 echo "$suse_conf $suse_vers $suse_patchlevel ${suse_vers}sp$suse_patchlevel" >> /tmp/log-nb
35 case ${suse_vers}sp$suse_patchlevel in # (
36 15sp0 ) LDISKFS_SERIES="4.12-sles15.series"
37 if test ! -f $LINUX/arch/x86/kernel/cpu/hygon.c ; then
38 # This file was added shortly after -150.22 so
39 # this must be 150.22 or earlier
40 LDISKFS_SERIES="4.12-sles15-22.series"
43 15sp1 ) LDISKFS_SERIES="4.12-sles15sp1.series"
44 if test ! -f $LINUX/arch/x86/kernel/cpu/umwait.c ; then
45 # This file was added after -197.7 so
46 # this must be -197.7 or earlier
47 LDISKFS_SERIES="4.12-sles15sp1-7.series"
52 )], [LDISKFS_SERIES="5.4.21-ml.series"],
54 suse_conf=$LINUX_OBJ/include/generated/uapi/linux/suse_version.h
55 suse_vers=$(awk '[$]2 == "SUSE_VERSION" {print [$]3 }' $suse_conf)
56 suse_patchlevel=$(awk '[$]2 == "SUSE_PATCHLEVEL" {print [$]3 }' $suse_conf)
57 echo "$suse_conf $suse_vers $suse_patchlevel ${suse_vers}sp$suse_patchlevel" >> /tmp/log-nb
59 case ${suse_vers}sp${suse_patchlevel} in # (
60 15sp2 ) LDISKFS_SERIES="5.4.21-ml.series"
61 grep -A3 ext4_update_dx_flag $LINUX/fs/ext4/ext4.h \
62 | grep ext4_test_inode_flag
63 if test $? -eq 0; then
64 LDISKFS_SERIES="5.4.0-66-ubuntu20.series"
67 15sp3 ) LDISKFS_SERIES="5.3.18-sles15sp3.series"
71 ], [test x$UBUNTU_KERNEL = xyes], [
72 AS_VERSION_COMPARE([$LINUXRELEASE],[5.8.0],[
73 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[
74 AS_VERSION_COMPARE([$LINUXRELEASE],[5.0.0],[
75 AS_VERSION_COMPARE([$LINUXRELEASE],[4.15.0],[
76 AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0], [],
78 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
81 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
82 LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"
84 [test $KPLEV -ge 73], [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"],
85 [test $KPLEV -ge 62], [LDISKFS_SERIES="4.4.0-62-ubuntu14+16.series"],
86 [test $KPLEV -ge 49], [LDISKFS_SERIES="4.4.0-49-ubuntu14+16.series"],
87 [LDISKFS_SERIES="4.4.0-45-ubuntu14+16.series"]
90 [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"])],
92 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
95 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
96 LDISKFS_SERIES="4.15.0-24-ubuntu18.series"
98 [test $KPLEV -ge 24], [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"],
99 [test $KPLEV -ge 20], [LDISKFS_SERIES="4.15.0-20-ubuntu18.series"]
102 [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"])],
103 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"],
104 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"])],
105 [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
107 KPLEV=$(echo $LINUXRELEASE | cut -d'-' -f2)
109 [test -z "$KPLEV"], [
110 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
111 LDISKFS_SERIES="5.4.0-90-ubuntu20.series"
113 [test $KPLEV -eq 1007], [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
114 [test $KPLEV -ge 90], [LDISKFS_SERIES="5.4.0-90-ubuntu20.series"],
115 [test $KPLEV -ge 80], [LDISKFS_SERIES="5.4.0-80-ubuntu20.series"],
116 [test $KPLEV -ge 66], [LDISKFS_SERIES="5.4.0-66-ubuntu20.series"],
117 [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"]
120 [LDISKFS_SERIES="5.4.0-ml.series"])],
121 [LDISKFS_SERIES="5.8.0-53-ubuntu20.series"],
122 [LDISKFS_SERIES="5.8.0-63-ubuntu20.series"],
123 [LDISKFS_SERIES="5.8.0-ml.series"])
126 # Not RHEL/SLES or Ubuntu .. probably mainline
127 AS_IF([test -z "$LDISKFS_SERIES"],
129 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[],
130 [LDISKFS_SERIES="5.4.0-ml.series"],[
131 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.21],
132 [LDISKFS_SERIES="5.4.0-ml.series"], # lt
133 [LDISKFS_SERIES="5.4.21-ml.series"], # eq
134 [AS_VERSION_COMPARE([$LINUXRELEASE],[5.8.0],
135 [LDISKFS_SERIES="5.4.136-ml.series"], # lt
136 [LDISKFS_SERIES="5.8.0-ml.series"], # eq
137 [AS_VERSION_COMPARE([$LINUXRELEASE],[5.9.0],
138 [LDISKFS_SERIES="5.8.0-ml.series"], # lt
139 [LDISKFS_SERIES="5.9.0-ml.series"], # eq
140 [AS_VERSION_COMPARE([$LINUXRELEASE],[5.10.0],
141 [LDISKFS_SERIES="5.9.0-ml.series"], # lt
142 [LDISKFS_SERIES="5.10.0-ml.series"], # eq
143 [LDISKFS_SERIES="5.10.0-ml.series"], # gt
150 AS_IF([test -z "$LDISKFS_SERIES"],
151 [AC_MSG_RESULT([failed to identify series])],
152 [AC_MSG_RESULT([$LDISKFS_SERIES for $LINUXRELEASE])])
153 AC_SUBST(LDISKFS_SERIES)
154 ]) # LDISKFS_LINUX_SERIES
157 # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
159 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
160 # Note that RHEL6 is pre 2.6.32-rc7 so this check is still needed.
162 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
163 LB_CHECK_COMPILE([if 'ext4_free_blocks' needs 'struct buffer_head'],
164 ext4_free_blocks_with_buffer_head, [
165 #include <linux/fs.h>
166 #include "$EXT4_SRC_DIR/ext4.h"
168 ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
170 AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
171 [ext4_free_blocks do not require struct buffer_head])
173 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
176 # LB_EXT4_JOURNAL_START_3ARGS
178 # 3.9 added a type argument to ext4_journal_start and friends
180 AC_DEFUN([LB_EXT4_JOURNAL_START_3ARGS], [
181 LB_CHECK_COMPILE([if ext4_journal_start takes 3 arguments],
182 ext4_journal_start, [
183 #include <linux/fs.h>
184 #include "$EXT4_SRC_DIR/ext4_jbd2.h"
186 ext4_journal_start(NULL, 0, 0);
188 AC_DEFINE(JOURNAL_START_HAS_3ARGS, 1, [ext4_journal_start takes 3 arguments])
190 ]) # LB_EXT4_JOURNAL_START_3ARGS
193 # LB_EXT4_BREAD_4ARGS
195 # 3.18 ext4_bread has 4 arguments
196 # NOTE: It may not be exported for modules, use a positive compiler test here.
198 AC_DEFUN([LB_EXT4_BREAD_4ARGS], [
199 LB_CHECK_COMPILE([if ext4_bread takes 4 arguments],
201 #include <linux/fs.h>
202 #include "$EXT4_SRC_DIR/ext4.h"
204 struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,
205 ext4_lblk_t block, int map_flags)
207 struct buffer_head *bh = NULL;
215 ext4_bread(NULL, NULL, 0, 0);
217 AC_DEFINE(HAVE_EXT4_BREAD_4ARGS, 1, [ext4_bread takes 4 arguments])
219 ]) # LB_EXT4_BREAD_4ARGS
222 # LB_EXT4_HAVE_INFO_DQUOT
224 # in linux 4.4 i_dqout is in ext4_inode_info, not in struct inode
226 AC_DEFUN([LB_EXT4_HAVE_INFO_DQUOT], [
227 LB_CHECK_COMPILE([if i_dquot is in ext4_inode_info],
229 #include <linux/fs.h>
230 #include <linux/quota.h>
231 #include "$EXT4_SRC_DIR/ext4.h"
233 struct ext4_inode_info in;
238 AC_DEFINE(HAVE_EXT4_INFO_DQUOT, 1, [i_dquot is in ext4_inode_info])
240 ]) # LB_EXT4_HAVE_INFO_DQUOT
243 # LB_EXT4_HAVE_I_CRYPT_INFO
245 # in linux 4.8 i_crypt_info moved from ext4_inode_info to struct inode
247 # Determine if we need to enable CONFIG_LDISKFS_FS_ENCRYPTION.
248 # If we have i_crypt_info in ext4_inode_info, the config option
249 # should be enabled to make the ldiskfs module compilation happy.
250 # Otherwise i_crypy_info is in struct inode, we need to check kernel
251 # config option to determine that.
253 AC_DEFUN([LB_EXT4_HAVE_I_CRYPT_INFO], [
254 LB_CHECK_COMPILE([if i_crypt_info is in ext4_inode_info],
256 #define CONFIG_EXT4_FS_ENCRYPTION 1
257 #include <linux/fs.h>
258 #include "$EXT4_SRC_DIR/ext4.h"
260 struct ext4_inode_info in;
262 in.i_crypt_info = NULL;
265 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
266 [enable encryption for ldiskfs]
269 LB_CHECK_CONFIG([EXT4_FS_ENCRYPTION],[
271 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
272 [enable encryption for ldiskfs]
276 ]) # LB_EXT4_HAVE_I_CRYPT_INFO
279 # LB_LDISKFS_JOURNAL_ENSURE_CREDITS
281 # kernel 4.18.0-240.1.1.el8 and
282 # kernel 5.4 commit a413036791d040e33badcc634453a4d0c0705499
284 # ext4_journal_ensure_credits was introduced to ensure given handle
285 # has at least requested amount of credits available, and possibly
286 # restarting transaction if needed.
288 AC_DEFUN([LB_LDISKFS_JOURNAL_ENSURE_CREDITS], [
289 tmp_flags="$EXTRA_KCFLAGS"
290 EXTRA_KCFLAGS="-Werror"
291 LB_CHECK_COMPILE([if 'ext4_journal_ensure_credits' exists],
292 ext4_journal_ensure_credits, [
293 #include "$EXT4_SRC_DIR/ext4_jbd2.h"
294 int __ext4_journal_ensure_credits(handle_t *handle, int check_cred,
295 int extend_cred, int revoke_cred) { return 0; }
297 ext4_journal_ensure_credits(NULL, 0, 0);
299 AC_DEFINE(HAVE_LDISKFS_JOURNAL_ENSURE_CREDITS, 1,
300 ['ext4_journal_ensure_credits' exists])
302 EXTRA_KCFLAGS="$tmp_flags"
303 ]) # LB_LDISKFS_JOURNAL_ENSURE_CREDITS
306 # LB_LDISKFS_IGET_HAS_FLAGS_ARG
308 # kernel 4.19 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
309 # ext4_iget changed to a macro with 3 args was function with 2 args
311 AC_DEFUN([LB_LDISKFS_IGET_HAS_FLAGS_ARG], [
312 tmp_flags="$EXTRA_KCFLAGS"
313 EXTRA_KCFLAGS="-Werror"
314 LB_CHECK_COMPILE([if ldiskfs_iget takes a flags argument],
316 #include <linux/fs.h>
317 #include "$EXT4_SRC_DIR/ext4.h"
319 int f = EXT4_IGET_SPECIAL;
322 AC_DEFINE(HAVE_LDISKFS_IGET_WITH_FLAGS, 1,
323 [if ldiskfs_iget takes a flags argument])
325 EXTRA_KCFLAGS="$tmp_flags"
326 ]) # LB_LDISKFS_IGET_HAS_FLAGS_ARG
329 # LDISKFS_AC_PATCH_PROGRAM
331 # Determine which program should be used to apply the patches to
332 # the ext4 source code to produce the ldiskfs source code.
334 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
335 AC_ARG_ENABLE([quilt],
336 [AC_HELP_STRING([--disable-quilt],
337 [disable use of quilt for ldiskfs])],
338 [AS_IF([test "x$enableval" = xno],
344 AS_IF([test x$use_quilt = xmaybe], [
345 AC_PATH_PROG([quilt_avail], [quilt], [no])
346 AS_IF([test x$quilt_avail = xno], [
353 AS_IF([test x$use_quilt = xno], [
354 AC_PATH_PROG([patch_avail], [patch], [no])
355 AS_IF([test x$patch_avail = xno], [
356 AC_MSG_ERROR([*** Need "quilt" or "patch" command])
359 ]) # LDISKFS_AC_PATCH_PROGRAM
362 # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
364 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
365 # ext4: avoid declaring fs inconsistent due to invalid file handles
366 # __ext4_find_entry became a helper function for ext4_find_entry
367 # conflicting with previous ldiskfs patches.
368 # ldiskfs patches map ext4_find_entry to ldiskfs_find_entry_locked to
369 # avoid conflicting with __ext4_find_entry
371 # When the following check succeeds __ext4_find_entry helper is not
374 AC_DEFUN([LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS], [
375 tmp_flags="$EXTRA_KCFLAGS"
376 EXTRA_KCFLAGS="-Werror"
377 LB_CHECK_COMPILE([if __ldiskfs_find_entry is available],
378 ldiskfs_find_entry_locked, [
379 #include <linux/fs.h>
380 #include "$EXT4_SRC_DIR/ext4.h"
381 #include "$EXT4_SRC_DIR/namei.c"
383 static int __ext4_find_entry(void) { return 0; }
385 int x = __ext4_find_entry();
388 AC_DEFINE(HAVE___LDISKFS_FIND_ENTRY, 1,
389 [if __ldiskfs_find_entry is available])
391 EXTRA_KCFLAGS="$tmp_flags"
392 ]) # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
395 # LB_LDISKFSFS_DIRHASH_WANTS_DIR
397 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
398 # ext4fs_dirhash UNICODE support
400 AC_DEFUN([LB_LDISKFSFS_DIRHASH_WANTS_DIR], [
401 tmp_flags="$EXTRA_KCFLAGS"
402 EXTRA_KCFLAGS="-Werror"
403 LB_CHECK_COMPILE([if ldiskfsfs_dirhash takes an inode argument],
405 #include <linux/fs.h>
406 #include "$EXT4_SRC_DIR/ext4.h"
408 int ext4fs_dirhash(const struct inode *dir, const char *name, int len,
409 struct dx_hash_info *hinfo)
418 int f = ext4fs_dirhash(NULL, NULL, 0, NULL);
421 AC_DEFINE(HAVE_LDISKFSFS_GETHASH_INODE_ARG, 1,
422 [ldiskfsfs_dirhash takes an inode argument])
424 EXTRA_KCFLAGS="$tmp_flags"
425 ]) # LB_LDISKFSFS_DIRHASH_WANTS_DIR
428 # LB_JBD2_H_TOTAL_CREDITS
430 # kernel 5.5 commit 933f1c1e0b75bbc29730eef07c9e196c6dfd37e5
431 # jbd2: Reserve space for revoke descriptor blocks
433 AC_DEFUN([LB_JBD2_H_TOTAL_CREDITS], [
434 tmp_flags="$EXTRA_KCFLAGS"
435 EXTRA_KCFLAGS="-Werror"
436 LB_CHECK_COMPILE([if struct jbd2_journal_handle has h_total_credits member],
437 handle_t_h_revoke_credits, [
438 #include <linux/jbd2.h>
440 int x = offsetof(struct jbd2_journal_handle, h_total_credits);
443 AC_DEFINE(HAVE_JOURNAL_TOTAL_CREDITS, 1,
444 [struct jbd2_journal_handle has h_total_credits member])
446 EXTRA_KCFLAGS="$tmp_flags"
447 ]) # LB_JBD2_H_TOTAL_CREDITS
450 # LB_EXT4_GET_BLOCKS_KEEP_SIZE
452 # kernel 5.6-rc4 commit 9e52484c713321e84e8834803a44ca0a001376d2
453 # ext4: remove EXT4_GET_BLOCKS_KEEP_SIZE flag
455 AC_DEFUN([LB_EXT4_GET_BLOCKS_KEEP_SIZE], [
456 tmp_flags="$EXTRA_KCFLAGS"
457 EXTRA_KCFLAGS="-Werror"
458 LB_CHECK_COMPILE([if EXT4_GET_BLOCKS_KEEP_SIZE exists],
459 ext4_get_blocks_keep_size, [
460 #include <linux/fs.h>
461 #include "$EXT4_SRC_DIR/ext4.h"
463 int f = EXT4_IGET_SPECIAL;
466 AC_DEFINE(HAVE_LDISKFS_GET_BLOCKS_KEEP_SIZE, 1,
467 [EXT4_GET_BLOCKS_KEEP_SIZE exists])
469 EXTRA_KCFLAGS="$tmp_flags"
470 ]) # LB_EXT4_GET_BLOCKS_KEEP_SIZE
473 # LB_EXT4_INC_DEC_COUNT_2ARGS
475 # Linux v5.9-rc7-8-g15ed2851b0f4
476 # ext4: remove unused argument from ext4_(inc|dec)_count
478 AC_DEFUN([LB_EXT4_INC_DEC_COUNT_2ARGS], [
479 AC_MSG_CHECKING([if ext4_(inc|dec)_count() have 2 arguments])
480 AS_IF([grep -q -E 'void ext4_inc_count.handle_t \*handle' $EXT4_SRC_DIR/namei.c],[
481 AC_DEFINE(HAVE_EXT4_INC_DEC_COUNT_2ARGS, 1,
482 [ext4_(inc|dec)_count() has 2 arguments])
487 ]) # LB_EXT4_INC_DEC_COUNT_2ARGS
492 AC_DEFUN([LB_CONFIG_LDISKFS], [
493 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
494 # However we continue to support this option through Lustre 2.5.
495 AC_ARG_WITH([ldiskfs],
497 [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
498 AS_IF([test x$withval != xyes -a x$withval != xno],
501 The ldiskfs option is deprecated,
502 and no longer supports paths to external ldiskfs source
506 AC_ARG_ENABLE([ldiskfs],
507 [AS_HELP_STRING([--disable-ldiskfs],
508 [disable ldiskfs osd (default is enable)])],
509 [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
510 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
511 [AS_IF([test "${with_ldiskfs+set}" = set],
512 [enable_ldiskfs=$with_ldiskfs],
513 [enable_ldiskfs=maybe])
516 AS_IF([test x$enable_server = xno],
517 [AS_CASE([$enable_ldiskfs],
518 [maybe], [enable_ldiskfs=no],
519 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
522 AS_IF([test x$enable_ldiskfs != xno],[
523 # In the future, we chould change enable_ldiskfs from maybe to
524 # either yes or no based on additional tests, e.g. whether a patch
525 # set is available for the detected kernel. For now, we just always
527 AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
528 AC_SUBST(ENABLE_LDISKFS, yes)
531 LDISKFS_AC_PATCH_PROGRAM
532 LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
533 LB_EXT4_JOURNAL_START_3ARGS
535 LB_EXT4_HAVE_INFO_DQUOT
536 LB_EXT4_HAVE_I_CRYPT_INFO
537 LB_LDISKFS_JOURNAL_ENSURE_CREDITS
538 LB_LDISKFS_IGET_HAS_FLAGS_ARG
539 LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
540 LB_LDISKFSFS_DIRHASH_WANTS_DIR
541 LB_JBD2_H_TOTAL_CREDITS
542 LB_EXT4_GET_BLOCKS_KEEP_SIZE
543 LB_EXT4_INC_DEC_COUNT_2ARGS
544 AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
545 AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
546 AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
547 AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
548 AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
549 AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
551 AC_SUBST(ENABLE_LDISKFS, no)
554 AC_MSG_CHECKING([whether to build ldiskfs])
555 AC_MSG_RESULT([$enable_ldiskfs])
557 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
558 ]) # LB_CONFIG_LDISKFS
561 AC_DEFUN([LB_EXT4_SRC_DIR_SRC], [])
562 AC_DEFUN([LB_EXT4_SRC_DIR_RESULTS], [])
565 # LB_VALIDATE_EXT4_SRC_DIR
567 # Spot check the existence of several source files common to ext4.
568 # Detecting this at configure time allows us to avoid a potential build
569 # failure and provide a useful error message to explain what is wrong.
571 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
572 enable_ldiskfs_build="no"
573 AS_IF([test -n "$EXT4_SRC_DIR"], [
574 enable_ldiskfs_build="yes"
575 LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
576 enable_ldiskfs_build="no"
577 AC_MSG_WARN([ext4 must exist for ldiskfs build])
579 LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
580 enable_ldiskfs_build="no"
581 AC_MSG_WARN([ext4 must exist for ldiskfs build])
583 LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
584 enable_ldiskfs_build="no"
585 AC_MSG_WARN([ext4 must exist for ldiskfs build])
587 LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
588 enable_ldiskfs_build="no"
589 AC_MSG_WARN([ext4 must exist for ldiskfs build])
593 AS_IF([test "x$enable_ldiskfs_build" = xno], [
598 Disabling ldiskfs support because complete ext4 source does not exist.
600 If you are building using kernel-devel packages and require ldiskfs
601 server support then ensure that the matching kernel-debuginfo-common
602 and kernel-debuginfo-common-<arch> packages are installed.
605 ]) # LB_VALIDATE_EXT4_SRC_DIR
610 # Determine the location of the ext4 source code. It it required
611 # for several configure tests and to build ldiskfs.
613 AC_DEFUN([LB_EXT4_SRC_DIR], [
614 AC_MSG_CHECKING([ext4 source directory])
615 # Kernel ext source located with devel headers
617 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
618 EXT4_SRC_DIR="$linux_src/fs/ext4"
620 # Kernel ext source provided by kernel-debuginfo-common package
621 # that extracted to $LINUX
622 linux_src=$(ls -1d $linux_src/../../debug/*/linux-${LINUXRELEASE%.*}* \
623 2>/dev/null | tail -1)
624 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
625 EXT4_SRC_DIR="$linux_src/fs/ext4"
627 # Kernel ext source provided by kernel-debuginfo-common package
628 linux_src=$(ls -1d /usr/src/debug/*/linux-${LINUXRELEASE%.*}* \
629 2>/dev/null | tail -1)
630 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
631 EXT4_SRC_DIR="$linux_src/fs/ext4"
637 AC_MSG_RESULT([$EXT4_SRC_DIR])
638 AC_SUBST(EXT4_SRC_DIR)
640 LB_VALIDATE_EXT4_SRC_DIR
644 # LB_DEFINE_E2FSPROGS_NAMES
646 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
648 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
649 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
650 AC_ARG_WITH([ldiskfsprogs],
651 AC_HELP_STRING([--with-ldiskfsprogs],
652 [use alternate names for ldiskfs-enabled e2fsprogs]),
655 AS_IF([test "x$withval" = xyes], [
656 AC_MSG_RESULT([enabled])
657 AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
658 E2FSPROGS="ldiskfsprogs"
659 MKE2FS="mkfs.ldiskfs"
660 DEBUGFS="debugfs.ldiskfs"
661 TUNE2FS="tunefs.ldiskfs"
662 E2LABEL="label.ldiskfs"
663 DUMPE2FS="dumpfs.ldiskfs"
664 E2FSCK="fsck.ldiskfs"
665 PFSCK="pfsck.ldiskfs"
667 AC_MSG_RESULT([disabled])
668 E2FSPROGS="e2fsprogs"
678 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
679 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
680 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
681 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
682 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
683 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
684 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
685 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
687 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
688 AC_SUBST([MKE2FS], [$MKE2FS])
689 AC_SUBST([DEBUGFS], [$DEBUGFS])
690 AC_SUBST([TUNE2FS], [$TUNE2FS])
691 AC_SUBST([E2LABEL], [$E2LABEL])
692 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
693 AC_SUBST([E2FSCK], [$E2FSCK])
694 AC_SUBST([PFSCK], [$PFSCK])
695 ]) # LB_DEFINE_E2FSPROGS_NAMES