1 # SPDX-License-Identifier: GPL-2.0
4 # This file is part of Lustre, http://www.lustre.org/
6 # config/lustre-build-ldiskfs.m4
8 # ldiskfs OSD related configuration
12 # LDISKFS_LINUX_SERIES
14 AC_DEFUN([LDISKFS_LINUX_SERIES], [
15 AC_MSG_CHECKING([which ldiskfs series to use])
16 case x$LDISKFS_SERIES in
19 *.series) # set externally
23 AS_IF([test -z "$LDISKFS_SERIES"], [
24 AS_IF([test x$RHEL_KERNEL = xyes], [
25 case $RHEL_RELEASE_NO in
26 92) LDISKFS_SERIES="5.14-rhel9.2.series" ;;
27 91) LDISKFS_SERIES="5.14-rhel9.1.series" ;;
28 90) LDISKFS_SERIES="5.14-rhel9.series" ;;
29 88) LDISKFS_SERIES="4.18-rhel8.8.series" ;;
30 87) LDISKFS_SERIES="4.18-rhel8.7.series" ;;
31 86) LDISKFS_SERIES="4.18-rhel8.6.series" ;;
32 85) LDISKFS_SERIES="4.18-rhel8.5.series" ;;
33 84) LDISKFS_SERIES="4.18-rhel8.4.series" ;;
34 83) LDISKFS_SERIES="4.18-rhel8.3.series" ;;
35 82) LDISKFS_SERIES="4.18-rhel8.2.series" ;;
36 81) LDISKFS_SERIES="4.18-rhel8.1.series" ;;
37 80) LDISKFS_SERIES="4.18-rhel8.series" ;;
38 79) LDISKFS_SERIES="3.10-rhel7.9.series" ;;
39 78) LDISKFS_SERIES="3.10-rhel7.8.series" ;;
40 77) LDISKFS_SERIES="3.10-rhel7.7.series" ;;
41 76) LDISKFS_SERIES="3.10-rhel7.6.series" ;;
43 ], [test x$SUSE_KERNEL = xyes], [
44 AS_VERSION_COMPARE([$LINUXRELEASE],[5.3.18],[
45 AS_VERSION_COMPARE([$LINUXRELEASE],[4.12.14],[], [], [
46 suse_conf=$LINUX_OBJ/include/generated/uapi/linux/suse_version.h
47 suse_vers=$(awk '[$]2 == "SUSE_VERSION" {print [$]3 }' $suse_conf)
48 suse_patchlevel=$(awk '[$]2 == "SUSE_PATCHLEVEL" {print [$]3 }' $suse_conf)
49 case ${suse_vers}sp$suse_patchlevel in # (
50 15sp0 ) LDISKFS_SERIES="4.12-sles15.series"
51 if test ! -f $LINUX/arch/x86/kernel/cpu/hygon.c ; then
52 # This file was added shortly after -150.22 so
53 # this must be 150.22 or earlier
54 LDISKFS_SERIES="4.12-sles15-22.series"
57 15sp1 ) LDISKFS_SERIES="4.12-sles15sp1.series"
58 if test ! -f $LINUX/arch/x86/kernel/cpu/umwait.c ; then
59 # This file was added after -197.7 so
60 # this must be -197.7 or earlier
61 LDISKFS_SERIES="4.12-sles15sp1-7.series"
66 )], [LDISKFS_SERIES="5.4.21-ml.series"],
68 suse_conf=$LINUX_OBJ/include/generated/uapi/linux/suse_version.h
69 suse_vers=$(awk '[$]2 == "SUSE_VERSION" {print [$]3 }' $suse_conf)
70 suse_patchlevel=$(awk '[$]2 == "SUSE_PATCHLEVEL" {print [$]3 }' $suse_conf)
71 case ${suse_vers}sp${suse_patchlevel} in # (
72 15sp2 ) LDISKFS_SERIES="5.4.21-ml.series"
73 grep -A3 ext4_update_dx_flag $LINUX/fs/ext4/ext4.h \
74 | grep ext4_test_inode_flag
75 if test $? -eq 0; then
76 LDISKFS_SERIES="5.4.0-66-ubuntu20.series"
79 15sp3 ) LDISKFS_SERIES="5.3.18-sles15sp3.series"
80 update=$(echo $LINUXRELEASE | cut -d- -f2 | cut -d. -f2)
81 if test $update -ge 59; then
82 LDISKFS_SERIES="5.3.18-sles15sp3-59.series"
85 15sp4 ) LDISKFS_SERIES="5.14.21-sles15sp4.series"
87 15sp5 ) LDISKFS_SERIES="5.14.21-sles15sp5.series"
91 ], [test x$UBUNTU_KERNEL = xyes], [
92 BASEVER=$(echo $LINUXRELEASE | cut -d'-' -f1)
93 AS_VERSION_COMPARE([$BASEVER],[5.11.0],[
94 AS_VERSION_COMPARE([$BASEVER],[5.8.0],[
95 AS_VERSION_COMPARE([$BASEVER],[5.4.0],[
96 AS_VERSION_COMPARE([$BASEVER],[5.0.0],[
97 AS_VERSION_COMPARE([$BASEVER],[4.15.0],[
98 AS_VERSION_COMPARE([$BASEVER],[4.4.0], [],
100 KPLEV=$(echo $LINUXRELEASE | cut -d'-' -f2)
102 [test -z "$KPLEV"], [
103 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
104 LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"
106 [test $KPLEV -ge 73], [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"],
107 [test $KPLEV -ge 62], [LDISKFS_SERIES="4.4.0-62-ubuntu14+16.series"],
108 [test $KPLEV -ge 49], [LDISKFS_SERIES="4.4.0-49-ubuntu14+16.series"],
109 [LDISKFS_SERIES="4.4.0-45-ubuntu14+16.series"]
112 [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"])],
114 KPLEV=$(echo $LINUXRELEASE | cut -d'-' -f2)
116 [test -z "$KPLEV"], [
117 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
118 LDISKFS_SERIES="4.15.0-24-ubuntu18.series"
120 [test $KPLEV -ge 24], [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"],
121 [test $KPLEV -ge 20], [LDISKFS_SERIES="4.15.0-20-ubuntu18.series"]
124 [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"])],
125 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"],
126 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"])],
128 KPLEV=$(echo $LINUXRELEASE | cut -d'-' -f2)
130 [test -z "$KPLEV"], [
131 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
132 LDISKFS_SERIES="5.4.0-90-ubuntu20.series"
134 [test $KPLEV -eq 1007], [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"],
135 [test $KPLEV -ge 90], [LDISKFS_SERIES="5.4.0-90-ubuntu20.series"],
136 [test $KPLEV -ge 80], [LDISKFS_SERIES="5.4.0-80-ubuntu20.series"],
137 [test $KPLEV -ge 66], [LDISKFS_SERIES="5.4.0-66-ubuntu20.series"],
138 [LDISKFS_SERIES="5.4.0-42-ubuntu20.series"]
141 [LDISKFS_SERIES="5.4.0-ml.series"])],
143 KPLEV=$(echo $LINUXRELEASE | cut -d'-' -f2)
145 [test -z "$KPLEV"], [
146 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
147 LDISKFS_SERIES="5.8.0-63-ubuntu20.series"
149 [test $KPLEV -ge 63], [LDISKFS_SERIES="5.8.0-63-ubuntu20.series"],
150 [LDISKFS_SERIES="5.8.0-53-ubuntu20.series"]
153 [LDISKFS_SERIES="5.8.0-ml.series"])],
154 [LDISKFS_SERIES="5.11.0-40-ubuntu20.series"],
155 [LDISKFS_SERIES="5.11.0-40-ubuntu20.series"])
156 ], [test x$OPENEULER_KERNEL = xyes], [
157 case $OPENEULER_VERSION_NO in
158 2203.0) LDISKFS_SERIES="5.10.0-oe2203.series" ;;
159 2203.*) LDISKFS_SERIES="5.10.0-oe2203sp1.series" ;;
163 # Not RHEL/SLES/openEuler or Ubuntu .. probably mainline
164 AS_IF([test -z "$LDISKFS_SERIES"],
166 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[],
167 [LDISKFS_SERIES="5.4.0-ml.series"],[
168 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.21],
169 [LDISKFS_SERIES="5.4.0-ml.series"], # lt
170 [LDISKFS_SERIES="5.4.21-ml.series"], # eq
171 [AS_VERSION_COMPARE([$LINUXRELEASE],[5.8.0],
172 [LDISKFS_SERIES="5.4.136-ml.series"], # lt
173 [LDISKFS_SERIES="5.8.0-ml.series"], # eq
174 [AS_VERSION_COMPARE([$LINUXRELEASE],[5.9.0],
175 [LDISKFS_SERIES="5.8.0-ml.series"], # lt
176 [LDISKFS_SERIES="5.9.0-ml.series"], # eq
177 [AS_VERSION_COMPARE([$LINUXRELEASE],[5.10.0],
178 [LDISKFS_SERIES="5.9.0-ml.series"], # lt
179 [LDISKFS_SERIES="5.10.0-ml.series"], # eq
180 [LDISKFS_SERIES="5.10.0-ml.series"], # gt
187 AS_IF([test -z "$LDISKFS_SERIES"],
188 [AC_MSG_RESULT([failed to identify series])],
189 [AC_MSG_RESULT([$LDISKFS_SERIES for $LINUXRELEASE])])
190 AC_SUBST(LDISKFS_SERIES)
191 ]) # LDISKFS_LINUX_SERIES
194 # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
196 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
197 # Note that RHEL6 is pre 2.6.32-rc7 so this check is still needed.
199 AC_DEFUN([LB_SRC_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
200 LB2_LINUX_TEST_SRC([ext4_free_blocks_with_buffer_head], [
201 #include <linux/fs.h>
202 #include "$EXT4_SRC_DIR/ext4.h"
204 ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
205 ],[],[],[ext4_free_blocks])
207 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
208 LB2_MSG_LINUX_TEST_RESULT([if 'ext4_free_blocks' needs 'struct buffer_head'],
209 [ext4_free_blocks_with_buffer_head], [
210 AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
211 [ext4_free_blocks do not require struct buffer_head])
213 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
216 # LB_EXT4_JOURNAL_START_3ARGS
218 # 3.9 added a type argument to ext4_journal_start and friends
220 AC_DEFUN([LB_SRC_EXT4_JOURNAL_START_3ARGS], [
221 LB2_LINUX_TEST_SRC([ext4_journal_start], [
222 #include <linux/fs.h>
223 #include "$EXT4_SRC_DIR/ext4_jbd2.h"
225 ext4_journal_start(NULL, 0, 0);
226 ],[],[],[__ext4_journal_start_sb])
228 AC_DEFUN([LB_EXT4_JOURNAL_START_3ARGS], [
229 LB2_MSG_LINUX_TEST_RESULT([if ext4_journal_start takes 3 arguments],
230 [ext4_journal_start], [
231 AC_DEFINE(JOURNAL_START_HAS_3ARGS, 1,
232 [ext4_journal_start takes 3 arguments])
234 ]) # LB_EXT4_JOURNAL_START_3ARGS
237 # LB_EXT4_BREAD_4ARGS
239 # 3.18 ext4_bread has 4 arguments
240 # NOTE: It may not be exported for modules, use a positive compiler test here.
242 AC_DEFUN([LB_SRC_EXT4_BREAD_4ARGS], [
243 LB2_LINUX_TEST_SRC([ext4_bread], [
244 #include <linux/fs.h>
245 #include "$EXT4_SRC_DIR/ext4.h"
247 struct buffer_head *ext4_bread(handle_t *handle,
249 ext4_lblk_t block, int map_flags)
251 struct buffer_head *bh = NULL;
259 ext4_bread(NULL, NULL, 0, 0);
260 ],[],[],[ext4_bread])
262 AC_DEFUN([LB_EXT4_BREAD_4ARGS], [
263 LB2_MSG_LINUX_TEST_RESULT([if ext4_bread takes 4 arguments],
265 AC_DEFINE(HAVE_EXT4_BREAD_4ARGS, 1,
266 [ext4_bread takes 4 arguments])
268 ]) # LB_EXT4_BREAD_4ARGS
271 # LB_EXT4_HAVE_INFO_DQUOT
273 # in linux 4.4 i_dqout is in ext4_inode_info, not in struct inode
275 AC_DEFUN([LB_SRC_EXT4_HAVE_INFO_DQUOT], [
276 LB2_LINUX_TEST_SRC([ext4_info_dquot], [
277 #include <linux/fs.h>
278 #include <linux/quota.h>
279 #include "$EXT4_SRC_DIR/ext4.h"
281 struct ext4_inode_info in;
287 AC_DEFUN([LB_EXT4_HAVE_INFO_DQUOT], [
288 LB2_MSG_LINUX_TEST_RESULT([if i_dquot is in ext4_inode_info],
290 AC_DEFINE(HAVE_EXT4_INFO_DQUOT, 1,
291 [i_dquot is in ext4_inode_info])
293 ]) # LB_EXT4_HAVE_INFO_DQUOT
296 # LB_EXT4_HAVE_I_CRYPT_INFO
298 # in linux 4.8 i_crypt_info moved from ext4_inode_info to struct inode
300 # Determine if we need to enable CONFIG_LDISKFS_FS_ENCRYPTION.
301 # If we have i_crypt_info in ext4_inode_info, the config option
302 # should be enabled to make the ldiskfs module compilation happy.
303 # Otherwise i_crypy_info is in struct inode, we need to check kernel
304 # config option to determine that.
306 AC_DEFUN([LB_SRC_EXT4_HAVE_I_CRYPT_INFO], [
307 LB2_SRC_CHECK_CONFIG([EXT4_FS_ENCRYPTION])
308 LB2_LINUX_TEST_SRC([ext4_i_crypt_info], [
309 #define CONFIG_EXT4_FS_ENCRYPTION 1
310 #include <linux/fs.h>
311 #include "$EXT4_SRC_DIR/ext4.h"
313 struct ext4_inode_info in;
315 in.i_crypt_info = NULL;
318 AC_DEFUN([LB_EXT4_HAVE_I_CRYPT_INFO], [
319 LB2_MSG_LINUX_TEST_RESULT([if i_crypt_info is in ext4_inode_info],
320 [ext4_i_crypt_info], [
321 AC_DEFINE(CONFIG_LDISKFS_FS_ENCRYPTION, 1,
322 [enable encryption for ldiskfs])
323 test_have_i_crypt_info=yes
325 test_have_i_crypt_info=no
327 AS_IF([test x$test_have_i_crypt_info = xno], [
328 LB2_TEST_CHECK_CONFIG([EXT4_FS_ENCRYPTION],[
329 AC_DEFINE(CONFIG_LDISKFS_FS_ENCRYPTION, 1,
330 [enable encryption for ldiskfs])
333 ]) # LB_EXT4_HAVE_I_CRYPT_INFO
336 # LB_LDISKFS_JOURNAL_ENSURE_CREDITS
338 # kernel 4.18.0-240.1.1.el8 and
339 # kernel 5.4 commit a413036791d040e33badcc634453a4d0c0705499
341 # ext4_journal_ensure_credits was introduced to ensure given handle
342 # has at least requested amount of credits available, and possibly
343 # restarting transaction if needed.
345 AC_DEFUN([LB_SRC_LDISKFS_JOURNAL_ENSURE_CREDITS], [
346 LB2_LINUX_TEST_SRC([ext4_journal_ensure_credits], [
347 #include "$EXT4_SRC_DIR/ext4_jbd2.h"
348 int __ext4_journal_ensure_credits(handle_t *handle, int check_cred,
349 int extend_cred, int revoke_cred) { return 0; }
351 ext4_journal_ensure_credits(NULL, 0, 0);
352 ],[-Werror],[],[__ext4_journal_ensure_credits])
354 AC_DEFUN([LB_LDISKFS_JOURNAL_ENSURE_CREDITS], [
355 LB2_MSG_LINUX_TEST_RESULT([if 'ext4_journal_ensure_credits' exists],
356 [ext4_journal_ensure_credits], [
357 AC_DEFINE(HAVE_LDISKFS_JOURNAL_ENSURE_CREDITS, 1,
358 ['ext4_journal_ensure_credits' exists])
360 ]) # LB_LDISKFS_JOURNAL_ENSURE_CREDITS
363 # LB_LDISKFS_IGET_HAS_FLAGS_ARG
365 # kernel 4.19 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
366 # ext4_iget changed to a macro with 3 args was function with 2 args
368 AC_DEFUN([LB_SRC_LDISKFS_IGET_HAS_FLAGS_ARG], [
369 LB2_LINUX_TEST_SRC([ext4_iget_3args], [
370 #include <linux/fs.h>
371 #include "$EXT4_SRC_DIR/ext4.h"
373 int f = EXT4_IGET_SPECIAL;
377 AC_DEFUN([LB_LDISKFS_IGET_HAS_FLAGS_ARG], [
378 LB2_MSG_LINUX_TEST_RESULT([if ldiskfs_iget takes a flags argument],
380 AC_DEFINE(HAVE_LDISKFS_IGET_WITH_FLAGS, 1,
381 [if ldiskfs_iget takes a flags argument])
383 ]) # LB_LDISKFS_IGET_HAS_FLAGS_ARG
386 # LDISKFS_AC_PATCH_PROGRAM
388 # Determine which program should be used to apply the patches to
389 # the ext4 source code to produce the ldiskfs source code.
391 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
392 AC_ARG_ENABLE([quilt],
393 [AS_HELP_STRING([--disable-quilt],
394 [disable use of quilt for ldiskfs])],
395 [AS_IF([test "x$enableval" = xno],
401 AS_IF([test x$use_quilt = xmaybe], [
402 AC_PATH_PROG([quilt_avail], [quilt], [no])
403 AS_IF([test x$quilt_avail = xno], [
410 AS_IF([test x$use_quilt = xno], [
411 AC_PATH_PROG([patch_avail], [patch], [no])
412 AS_IF([test x$patch_avail = xno], [
413 AC_MSG_ERROR([*** Need "quilt" or "patch" command])
416 ]) # LDISKFS_AC_PATCH_PROGRAM
419 # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
421 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
422 # ext4: avoid declaring fs inconsistent due to invalid file handles
423 # __ext4_find_entry became a helper function for ext4_find_entry
424 # conflicting with previous ldiskfs patches.
425 # ldiskfs patches map ext4_find_entry to ldiskfs_find_entry_locked to
426 # avoid conflicting with __ext4_find_entry
428 # When the following check succeeds __ext4_find_entry helper is not
431 AC_DEFUN([LB_SRC_LDISKFS_FIND_ENTRY_LOCKED_EXISTS], [
432 LB2_LINUX_TEST_SRC([ldiskfs_find_entry_locked], [
433 #include <linux/fs.h>
434 #include "$EXT4_SRC_DIR/ext4.h"
435 #include "$EXT4_SRC_DIR/namei.c"
437 static int __ext4_find_entry(void) { return 0; }
439 int x = __ext4_find_entry();
443 AC_DEFUN([LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS], [
444 LB2_MSG_LINUX_TEST_RESULT([if __ldiskfs_find_entry is available],
445 [ldiskfs_find_entry_locked], [
446 AC_DEFINE(HAVE___LDISKFS_FIND_ENTRY, 1,
447 [if __ldiskfs_find_entry is available])
449 ]) # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
452 # LB_LDISKFSFS_DIRHASH_WANTS_DIR
454 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
455 # ext4fs_dirhash UNICODE support
457 AC_DEFUN([LB_SRC_LDISKFSFS_DIRHASH_WANTS_DIR], [
458 LB2_LINUX_TEST_SRC([ext4fs_dirhash], [
459 #include <linux/fs.h>
460 #include "$EXT4_SRC_DIR/ext4.h"
462 int f = ext4fs_dirhash(NULL, NULL, 0, NULL);
464 ],[-Werror],[],[ext4fs_dirhash])
466 AC_DEFUN([LB_LDISKFSFS_DIRHASH_WANTS_DIR], [
467 LB2_MSG_LINUX_TEST_RESULT([if ldiskfsfs_dirhash takes an inode argument],
469 AC_DEFINE(HAVE_LDISKFSFS_DIRHASH_WITH_DIR, 1,
470 [if ldiskfsfs_dirhash takes an inode argument])
472 ]) # LB_LDISKFSFS_DIRHASH_WANTS_DIR
475 # LB_JBD2_H_TOTAL_CREDITS
477 # kernel 5.5 commit 933f1c1e0b75bbc29730eef07c9e196c6dfd37e5
478 # jbd2: Reserve space for revoke descriptor blocks
480 AC_DEFUN([LB_SRC_JBD2_H_TOTAL_CREDITS], [
481 LB2_LINUX_TEST_SRC([handle_t_h_revoke_credits], [
482 #include <linux/jbd2.h>
484 int x = offsetof(struct jbd2_journal_handle, h_total_credits);
488 AC_DEFUN([LB_JBD2_H_TOTAL_CREDITS], [
489 LB2_MSG_LINUX_TEST_RESULT([if struct jbd2_journal_handle has h_total_credits member],
490 [handle_t_h_revoke_credits], [
491 AC_DEFINE(HAVE_JOURNAL_TOTAL_CREDITS, 1,
492 [struct jbd2_journal_handle has h_total_credits member])
494 ]) # LB_JBD2_H_TOTAL_CREDITS
497 # LB_EXT4_INC_DEC_COUNT_2ARGS
499 # Linux v5.9-rc7-8-g15ed2851b0f4
500 # ext4: remove unused argument from ext4_(inc|dec)_count
502 AC_DEFUN([LB_EXT4_INC_DEC_COUNT_2ARGS], [
503 AC_MSG_CHECKING([if ext4_(inc|dec)_count() have 2 arguments])
504 AS_IF([grep -q -E 'void ext4_inc_count.handle_t \*handle' $EXT4_SRC_DIR/namei.c],[
505 AC_DEFINE(HAVE_EXT4_INC_DEC_COUNT_2ARGS, 1,
506 [ext4_(inc|dec)_count() has 2 arguments])
511 ]) # LB_EXT4_INC_DEC_COUNT_2ARGS
514 # LB_JBD2_JOURNAL_GET_MAX_TXN_BUFS
515 # Linux commit v5.10-rc2-9-gede7dc7fa0af
516 # jbd2: rename j_maxlen to j_total_len and add jbd2_journal_max_txn_bufs
518 AC_DEFUN([LB_SRC_JBD2_JOURNAL_GET_MAX_TXN_BUFS], [
519 LB2_LINUX_TEST_SRC([jbd2_journal_get_max_txn_bufs], [
520 #include <linux/jbd2.h>
522 journal_t *journal = NULL;
523 int x = jbd2_journal_get_max_txn_bufs(journal);
527 AC_DEFUN([LB_JBD2_JOURNAL_GET_MAX_TXN_BUFS], [
528 LB2_MSG_LINUX_TEST_RESULT([if jbd2_journal_get_max_txn_bufs is available],
529 [jbd2_journal_get_max_txn_bufs], [
530 AC_DEFINE(HAVE_JBD2_JOURNAL_GET_MAX_TXN_BUFS, 1,
531 [if jbd2_journal_get_max_txn_bufs is available])
533 ]) # LB_JBD2_JOURNAL_GET_MAX_TXN_BUFS
536 # LB_EXT4_JOURNAL_GET_WRITE_ACCESS_4A
538 # Linux v5.14-rc2-19-g188c299e2a26
539 # ext4: Support for checksumming from journal triggers
541 AC_DEFUN([LB_EXT4_JOURNAL_GET_WRITE_ACCESS_4A], [
542 tmp_flags="$EXTRA_KCFLAGS"
543 EXTRA_KCFLAGS="-Werror"
544 LB_CHECK_COMPILE([if jbd2_journal_get_max_txn_bufs is available],
545 ext4_journal_get_write_access, [
546 #include <linux/fs.h>
547 #include "$EXT4_SRC_DIR/ext4.h"
548 #include "$EXT4_SRC_DIR/ext4_jbd2.h"
550 int __ext4_journal_get_write_access(const char *where, unsigned int line,
552 struct super_block *sb,
553 struct buffer_head *bh,
554 enum ext4_journal_trigger_type trigger_type)
559 handle_t *handle = NULL;
560 struct super_block *sb = NULL;
561 struct buffer_head *bh = NULL;
562 enum ext4_journal_trigger_type trigger_type = EXT4_JTR_NONE;
563 int err = ext4_journal_get_write_access(handle, sb, bh, trigger_type);
567 AC_DEFINE(HAVE_EXT4_JOURNAL_GET_WRITE_ACCESS_4ARGS, 1,
568 [ext4_journal_get_write_access() has 4 arguments])
570 EXTRA_KCFLAGS="$tmp_flags"
571 ]) # LB_EXT4_JOURNAL_GET_WRITE_ACCESS_4A
574 # LB_HAVE_INODE_LOCK_SHARED
576 AC_DEFUN([LB_HAVE_INODE_LOCK_SHARED], [
577 LB_CHECK_COMPILE([if inode_lock_shared() defined],
579 #include <linux/fs.h>
583 inode_lock_shared(&i);
585 AC_DEFINE(HAVE_INODE_LOCK_SHARED, 1,
586 [inode_lock_shared() defined])
588 ]) # LB_HAVE_INODE_LOCK_SHARED
591 # LB_HAVE_INODE_IVERSION
593 AC_DEFUN([LB_HAVE_INODE_IVERSION], [
594 LB_CHECK_COMPILE([if iversion primitives defined],
595 inode_set_iversion, [
596 #include <linux/iversion.h>
600 inode_set_iversion(&i, 0);
602 AC_DEFINE(HAVE_INODE_IVERSION, 1,
603 [iversion primitives defined])
605 ]) # LB_HAVE_INODE_IVERSION
610 AC_DEFUN([LB_CONFIG_LDISKFS], [
611 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
612 # However we continue to support this option through Lustre 2.5.
613 AC_ARG_WITH([ldiskfs],
615 [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
616 AS_IF([test x$withval != xyes -a x$withval != xno],
619 The ldiskfs option is deprecated,
620 and no longer supports paths to external ldiskfs source
624 AC_ARG_ENABLE([ldiskfs],
625 [AS_HELP_STRING([--disable-ldiskfs],
626 [disable ldiskfs osd (default is enable)])],
627 [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
628 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
629 [AS_IF([test "${with_ldiskfs+set}" = set],
630 [enable_ldiskfs=$with_ldiskfs],
631 [enable_ldiskfs=maybe])
634 AS_IF([test x$enable_server = xno],
635 [AS_CASE([$enable_ldiskfs],
636 [maybe], [enable_ldiskfs=no],
637 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
640 AS_IF([test x$enable_ldiskfs != xno],[
641 # In the future, we chould change enable_ldiskfs from maybe to
642 # either yes or no based on additional tests, e.g. whether a patch
643 # set is available for the detected kernel. For now, we just always
645 AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
646 AC_SUBST(ENABLE_LDISKFS, yes)
649 LDISKFS_AC_PATCH_PROGRAM
650 LB_EXT4_INC_DEC_COUNT_2ARGS
651 LB_EXT4_JOURNAL_GET_WRITE_ACCESS_4A
652 LB_HAVE_INODE_LOCK_SHARED
653 LB_HAVE_INODE_IVERSION
654 AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
655 AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
656 AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
657 AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
658 AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
659 AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
661 AC_SUBST(ENABLE_LDISKFS, no)
664 AC_MSG_CHECKING([whether to build ldiskfs])
665 AC_MSG_RESULT([$enable_ldiskfs])
667 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
668 ]) # LB_CONFIG_LDISKFS
670 AS_IF([test x$enable_ldiskfs != xno],[
671 AC_DEFUN([LB_EXT4_SRC_DIR_SRC],[
672 LB_SRC_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
673 LB_SRC_EXT4_JOURNAL_START_3ARGS
674 LB_SRC_EXT4_BREAD_4ARGS
675 LB_SRC_EXT4_HAVE_INFO_DQUOT
676 LB_SRC_EXT4_HAVE_I_CRYPT_INFO
677 LB_SRC_LDISKFS_JOURNAL_ENSURE_CREDITS
678 LB_SRC_LDISKFS_IGET_HAS_FLAGS_ARG
679 LB_SRC_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
680 LB_SRC_LDISKFSFS_DIRHASH_WANTS_DIR
681 LB_SRC_JBD2_H_TOTAL_CREDITS
682 LB_SRC_JBD2_JOURNAL_GET_MAX_TXN_BUFS
683 LB2_SRC_CHECK_CONFIG_IM([FS_ENCRYPTION])
685 AC_DEFUN([LB_EXT4_SRC_DIR_RESULTS], [
686 LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
687 LB_EXT4_JOURNAL_START_3ARGS
689 LB_EXT4_HAVE_INFO_DQUOT
690 LB_EXT4_HAVE_I_CRYPT_INFO
691 LB_LDISKFS_JOURNAL_ENSURE_CREDITS
692 LB_LDISKFS_IGET_HAS_FLAGS_ARG
693 LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
694 LB_LDISKFSFS_DIRHASH_WANTS_DIR
695 LB_JBD2_H_TOTAL_CREDITS
696 LB_JBD2_JOURNAL_GET_MAX_TXN_BUFS
697 LB2_TEST_CHECK_CONFIG_IM([FS_ENCRYPTION], [
699 EXT4_CRYPTO='%/crypto.c'])
701 AC_SUBST(EXT4_CRYPTO)
705 # LB_VALIDATE_EXT4_SRC_DIR
707 # Spot check the existence of several source files common to ext4.
708 # Detecting this at configure time allows us to avoid a potential build
709 # failure and provide a useful error message to explain what is wrong.
711 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
712 enable_ldiskfs_build="no"
713 AS_IF([test -n "$EXT4_SRC_DIR"], [
714 enable_ldiskfs_build="yes"
715 LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
716 enable_ldiskfs_build="no"
717 AC_MSG_WARN([ext4 must exist for ldiskfs build])
719 LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
720 enable_ldiskfs_build="no"
721 AC_MSG_WARN([ext4 must exist for ldiskfs build])
723 LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
724 enable_ldiskfs_build="no"
725 AC_MSG_WARN([ext4 must exist for ldiskfs build])
727 LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
728 enable_ldiskfs_build="no"
729 AC_MSG_WARN([ext4 must exist for ldiskfs build])
733 AS_IF([test "x$enable_ldiskfs_build" = xno], [
738 Disabling ldiskfs support because complete ext4 source does not exist.
740 If you are building using kernel-devel packages and require ldiskfs
741 server support then ensure that the matching kernel-debuginfo-common
742 and kernel-debuginfo-common-<arch> packages are installed.
745 ]) # LB_VALIDATE_EXT4_SRC_DIR
750 # Determine the location of the ext4 source code. It it required
751 # for several configure tests and to build ldiskfs.
753 AC_DEFUN([LB_EXT4_SRC_DIR], [
754 AC_MSG_CHECKING([ext4 source directory])
755 # Kernel ext source located with devel headers
757 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
758 EXT4_SRC_DIR="$linux_src/fs/ext4"
760 # Kernel ext source provided by kernel-debuginfo-common package
761 # that extracted to $LINUX
762 linux_src=$(ls -1d $linux_src/../../debug/*/linux-${LINUXRELEASE%.*}* \
763 2>/dev/null | tail -1)
764 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
765 EXT4_SRC_DIR="$linux_src/fs/ext4"
767 # Kernel ext source provided by kernel-debuginfo-common package
768 linux_src=$(ls -1d /usr/src/debug/*/linux-${LINUXRELEASE%.*}* \
769 2>/dev/null | tail -1)
770 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
771 EXT4_SRC_DIR="$linux_src/fs/ext4"
777 AC_MSG_RESULT([$EXT4_SRC_DIR])
778 AC_SUBST(EXT4_SRC_DIR)
780 LB_VALIDATE_EXT4_SRC_DIR
784 # LB_DEFINE_E2FSPROGS_NAMES
786 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
788 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
789 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
790 AC_ARG_WITH([ldiskfsprogs],
791 AS_HELP_STRING([--with-ldiskfsprogs],
792 [use alternate names for ldiskfs-enabled e2fsprogs]),
795 AS_IF([test "x$withval" = xyes], [
796 AC_MSG_RESULT([enabled])
797 AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
798 E2FSPROGS="ldiskfsprogs"
799 MKE2FS="mkfs.ldiskfs"
800 DEBUGFS="debugfs.ldiskfs"
801 TUNE2FS="tunefs.ldiskfs"
802 E2LABEL="label.ldiskfs"
803 DUMPE2FS="dumpfs.ldiskfs"
804 E2FSCK="fsck.ldiskfs"
805 PFSCK="pfsck.ldiskfs"
807 AC_MSG_RESULT([disabled])
808 E2FSPROGS="e2fsprogs"
818 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
819 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
820 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
821 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
822 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
823 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
824 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
825 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
827 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
828 AC_SUBST([MKE2FS], [$MKE2FS])
829 AC_SUBST([DEBUGFS], [$DEBUGFS])
830 AC_SUBST([TUNE2FS], [$TUNE2FS])
831 AC_SUBST([E2LABEL], [$E2LABEL])
832 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
833 AC_SUBST([E2FSCK], [$E2FSCK])
834 AC_SUBST([PFSCK], [$PFSCK])
835 ]) # LB_DEFINE_E2FSPROGS_NAMES