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 $RHEL_RELEASE_NO in
16 81) LDISKFS_SERIES="4.18-rhel8.1.series" ;;
17 80) LDISKFS_SERIES="4.18-rhel8.series" ;;
18 77) LDISKFS_SERIES="3.10-rhel7.7.series" ;;
19 76) LDISKFS_SERIES="3.10-rhel7.6.series" ;;
21 ], [test x$SUSE_KERNEL = xyes], [
22 AS_VERSION_COMPARE([$LINUXRELEASE],[4.12.14],[
23 AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.82],[
24 AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0],[
25 AS_VERSION_COMPARE([$LINUXRELEASE],[3.12.0],[],
26 [LDISKFS_SERIES="3.12-sles12.series"],[
27 PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
29 1) LDISKFS_SERIES="3.12-sles12sp1.series"
31 *) LDISKFS_SERIES="3.12-sles12.series"
34 ])],[LDISKFS_SERIES="4.4-sles12sp2.series"],
35 [LDISKFS_SERIES="4.4-sles12sp2.series"]
36 )], [LDISKFS_SERIES="4.4-sles12sp3.series"],
37 [LDISKFS_SERIES="4.4-sles12sp3.series"]
38 )], [LDISKFS_SERIES="4.12-sles15.series"],
39 [LDISKFS_SERIES="4.12-sles15.series"])
40 ], [test x$UBUNTU_KERNEL = xyes], [
41 AS_VERSION_COMPARE([$LINUXRELEASE],[5.3.0],[
42 AS_VERSION_COMPARE([$LINUXRELEASE],[5.0.0],[
43 AS_VERSION_COMPARE([$LINUXRELEASE],[4.15.0],[
44 AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0], [],
46 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
49 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
50 LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"
52 [test $KPLEV -ge 73], [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"],
53 [test $KPLEV -ge 62], [LDISKFS_SERIES="4.4.0-62-ubuntu14+16.series"],
54 [test $KPLEV -ge 49], [LDISKFS_SERIES="4.4.0-49-ubuntu14+16.series"],
55 [LDISKFS_SERIES="4.4.0-45-ubuntu14+16.series"]
58 [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"])],
60 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
63 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
64 LDISKFS_SERIES="4.15.0-24-ubuntu18.series"
66 [test $KPLEV -ge 24], [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"],
67 [test $KPLEV -ge 20], [LDISKFS_SERIES="4.15.0-20-ubuntu18.series"]
70 [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"])],
71 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"],
72 [LDISKFS_SERIES="5.0.0-13-ubuntu19.series"])],
73 [LDISKFS_SERIES="5.4.0-ml.series"],
74 [LDISKFS_SERIES="5.4.0-ml.series"])
77 # Not RHEL/SLES or Ubuntu .. probably mainline
78 AS_IF([test -z "$LDISKFS_SERIES"],
80 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],[],
81 [LDISKFS_SERIES="5.4.0-ml.series"],[
82 AS_VERSION_COMPARE([$LINUXRELEASE],[5.4.0],
83 [LDISKFS_SERIES="5.4.0-ml.series"], # lt
84 [LDISKFS_SERIES="5.4.0-ml.series"], # eq
85 [LDISKFS_SERIES="5.4.0-ml.series"] # gt
89 AS_IF([test -z "$LDISKFS_SERIES"],
90 [AC_MSG_RESULT([failed to identify series])],
91 [AC_MSG_RESULT([$LDISKFS_SERIES for $LINUXRELEASE])])
92 AC_SUBST(LDISKFS_SERIES)
93 ]) # LDISKFS_LINUX_SERIES
96 # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
98 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
99 # Note that RHEL6 is pre 2.6.32-rc7 so this check is still needed.
101 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
102 LB_CHECK_COMPILE([if 'ext4_free_blocks' needs 'struct buffer_head'],
103 ext4_free_blocks_with_buffer_head, [
104 #include <linux/fs.h>
105 #include "$EXT4_SRC_DIR/ext4.h"
107 ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
109 AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
110 [ext4_free_blocks do not require struct buffer_head])
112 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
115 # LB_EXT4_JOURNAL_START_3ARGS
117 # 3.9 added a type argument to ext4_journal_start and friends
119 AC_DEFUN([LB_EXT4_JOURNAL_START_3ARGS], [
120 LB_CHECK_COMPILE([if ext4_journal_start takes 3 arguments],
121 ext4_journal_start, [
122 #include <linux/fs.h>
123 #include "$EXT4_SRC_DIR/ext4_jbd2.h"
125 ext4_journal_start(NULL, 0, 0);
127 AC_DEFINE(JOURNAL_START_HAS_3ARGS, 1, [ext4_journal_start takes 3 arguments])
129 ]) # LB_EXT4_JOURNAL_START_3ARGS
132 # LB_EXT4_BREAD_4ARGS
134 # 3.18 ext4_bread has 4 arguments
135 # NOTE: It may not be exported for modules, use a positive compiler test here.
137 AC_DEFUN([LB_EXT4_BREAD_4ARGS], [
138 LB_CHECK_COMPILE([if ext4_bread takes 4 arguments],
140 #include <linux/fs.h>
141 #include "$EXT4_SRC_DIR/ext4.h"
143 struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,
144 ext4_lblk_t block, int map_flags)
146 struct buffer_head *bh = NULL;
154 ext4_bread(NULL, NULL, 0, 0);
156 AC_DEFINE(HAVE_EXT4_BREAD_4ARGS, 1, [ext4_bread takes 4 arguments])
158 ]) # LB_EXT4_BREAD_4ARGS
161 # LB_EXT4_HAVE_INFO_DQUOT
163 # in linux 4.4 i_dqout is in ext4_inode_info, not in struct inode
165 AC_DEFUN([LB_EXT4_HAVE_INFO_DQUOT], [
166 LB_CHECK_COMPILE([if i_dquot is in ext4_inode_info],
168 #include <linux/fs.h>
169 #include <linux/quota.h>
170 #include "$EXT4_SRC_DIR/ext4.h"
172 struct ext4_inode_info in;
177 AC_DEFINE(HAVE_EXT4_INFO_DQUOT, 1, [i_dquot is in ext4_inode_info])
179 ]) # LB_EXT4_HAVE_INFO_DQUOT
182 # LB_EXT4_HAVE_I_CRYPT_INFO
184 # in linux 4.8 i_crypt_info moved from ext4_inode_info to struct inode
186 # Determine if we need to enable CONFIG_LDISKFS_FS_ENCRYPTION.
187 # If we have i_crypt_info in ext4_inode_info, the config option
188 # should be enabled to make the ldiskfs module compilation happy.
189 # Otherwise i_crypy_info is in struct inode, we need to check kernel
190 # config option to determine that.
192 AC_DEFUN([LB_EXT4_HAVE_I_CRYPT_INFO], [
193 LB_CHECK_COMPILE([if i_crypt_info is in ext4_inode_info],
195 #define CONFIG_EXT4_FS_ENCRYPTION 1
196 #include <linux/fs.h>
197 #include "$EXT4_SRC_DIR/ext4.h"
199 struct ext4_inode_info in;
201 in.i_crypt_info = NULL;
204 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
205 [enable encryption for ldiskfs]
208 LB_CHECK_CONFIG([EXT4_FS_ENCRYPTION],[
210 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
211 [enable encryption for ldiskfs]
215 ]) # LB_EXT4_HAVE_I_CRYPT_INFO
218 # LB_LDISKFS_IGET_HAS_FLAGS_ARG
220 # kernel 4.19 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
221 # ext4_iget changed to a macro with 3 args was function with 2 args
223 AC_DEFUN([LB_LDISKFS_IGET_HAS_FLAGS_ARG], [
224 tmp_flags="$EXTRA_KCFLAGS"
225 EXTRA_KCFLAGS="-Werror"
226 LB_CHECK_COMPILE([if ldiskfs_iget takes a flags argument],
228 #include <linux/fs.h>
229 #include "$EXT4_SRC_DIR/ext4.h"
231 int f = EXT4_IGET_SPECIAL;
234 AC_DEFINE(HAVE_LDISKFS_IGET_WITH_FLAGS, 1,
235 [if ldiskfs_iget takes a flags argument])
237 EXTRA_KCFLAGS="$tmp_flags"
238 ]) # LB_LDISKFS_IGET_HAS_FLAGS_ARG
241 # LDISKFS_AC_PATCH_PROGRAM
243 # Determine which program should be used to apply the patches to
244 # the ext4 source code to produce the ldiskfs source code.
246 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
247 AC_ARG_ENABLE([quilt],
248 [AC_HELP_STRING([--disable-quilt],
249 [disable use of quilt for ldiskfs])],
250 [AS_IF([test "x$enableval" = xno],
256 AS_IF([test x$use_quilt = xmaybe], [
257 AC_PATH_PROG([quilt_avail], [quilt], [no])
258 AS_IF([test x$quilt_avail = xno], [
265 AS_IF([test x$use_quilt = xno], [
266 AC_PATH_PROG([patch_avail], [patch], [no])
267 AS_IF([test x$patch_avail = xno], [
268 AC_MSG_ERROR([*** Need "quilt" or "patch" command])
271 ]) # LDISKFS_AC_PATCH_PROGRAM
274 # LB_HAVE_BVEC_ITER_ALL
276 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
277 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
279 AC_DEFUN([LB_HAVE_BVEC_ITER_ALL], [
280 tmp_flags="$EXTRA_KCFLAGS"
281 EXTRA_KCFLAGS="-Werror"
282 LB_CHECK_COMPILE([if bvec_iter_all exists for multi-page bvec iternation],
284 #include <linux/bvec.h>
286 struct bvec_iter_all iter;
289 AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
290 [if bvec_iter_all exists for multi-page bvec iternation])
292 EXTRA_KCFLAGS="$tmp_flags"
293 ]) # LB_HAVE_BVEC_ITER_ALL
296 # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
298 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
299 # ext4: avoid declaring fs inconsistent due to invalid file handles
300 # __ext4_find_entry became a helper function for ext4_find_entry
301 # conflicting with previous ldiskfs patches.
302 # ldiskfs patches map ext4_find_entry to ldiskfs_find_entry_locked to
303 # avoid conflicting with __ext4_find_entry
305 # When the following check succeeds __ext4_find_entry helper is not
308 AC_DEFUN([LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS], [
309 tmp_flags="$EXTRA_KCFLAGS"
310 EXTRA_KCFLAGS="-Werror"
311 LB_CHECK_COMPILE([if __ldiskfs_find_entry is available],
312 ldiskfs_find_entry_locked, [
313 #include <linux/fs.h>
314 #include "$EXT4_SRC_DIR/ext4.h"
315 #include "$EXT4_SRC_DIR/namei.c"
317 static int __ext4_find_entry(void) { return 0; }
319 int x = __ext4_find_entry();
322 AC_DEFINE(HAVE___LDISKFS_FIND_ENTRY, 1,
323 [if __ldiskfs_find_entry is available])
325 EXTRA_KCFLAGS="$tmp_flags"
326 ]) # LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
329 # LB_LDISKFSFS_DIRHASH_WANTS_DIR
331 # kernel 5.2 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
332 # ext4fs_dirhash UNICODE support
334 AC_DEFUN([LB_LDISKFSFS_DIRHASH_WANTS_DIR], [
335 tmp_flags="$EXTRA_KCFLAGS"
336 EXTRA_KCFLAGS="-Werror"
337 LB_CHECK_COMPILE([if ldiskfsfs_dirhash takes an inode argument],
339 #include <linux/fs.h>
340 #include "$EXT4_SRC_DIR/ext4.h"
342 int ext4fs_dirhash(const struct inode *dir, const char *name, int len,
343 struct dx_hash_info *hinfo)
352 int f = ext4fs_dirhash(NULL, NULL, 0, NULL);
355 AC_DEFINE(HAVE_LDISKFSFS_GETHASH_INODE_ARG, 1,
356 [if ldiskfsfs_dirhash takes an inode argument])
358 EXTRA_KCFLAGS="$tmp_flags"
359 ]) # LB_LDISKFSFS_DIRHASH_WANTS_DIR
364 AC_DEFUN([LB_CONFIG_LDISKFS], [
365 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
366 # However we continue to support this option through Lustre 2.5.
367 AC_ARG_WITH([ldiskfs],
369 [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
370 AS_IF([test x$withval != xyes -a x$withval != xno],
373 The ldiskfs option is deprecated,
374 and no longer supports paths to external ldiskfs source
378 AC_ARG_ENABLE([ldiskfs],
379 [AS_HELP_STRING([--disable-ldiskfs],
380 [disable ldiskfs osd (default is enable)])],
381 [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
382 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
383 [AS_IF([test "${with_ldiskfs+set}" = set],
384 [enable_ldiskfs=$with_ldiskfs],
385 [enable_ldiskfs=maybe])
388 AS_IF([test x$enable_server = xno],
389 [AS_CASE([$enable_ldiskfs],
390 [maybe], [enable_ldiskfs=no],
391 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
394 AS_IF([test x$enable_ldiskfs != xno],[
395 # In the future, we chould change enable_ldiskfs from maybe to
396 # either yes or no based on additional tests, e.g. whether a patch
397 # set is available for the detected kernel. For now, we just always
399 AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
400 AC_SUBST(ENABLE_LDISKFS, yes)
403 LDISKFS_AC_PATCH_PROGRAM
404 LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
405 LB_EXT4_JOURNAL_START_3ARGS
407 LB_EXT4_HAVE_INFO_DQUOT
408 LB_EXT4_HAVE_I_CRYPT_INFO
409 LB_LDISKFS_IGET_HAS_FLAGS_ARG
410 LB_HAVE_BVEC_ITER_ALL
411 LB_LDISKFS_FIND_ENTRY_LOCKED_EXISTS
412 LB_LDISKFSFS_DIRHASH_WANTS_DIR
413 AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
414 AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
415 AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
416 AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
417 AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
418 AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
420 AC_SUBST(ENABLE_LDISKFS, no)
423 AC_MSG_CHECKING([whether to build ldiskfs])
424 AC_MSG_RESULT([$enable_ldiskfs])
426 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
427 ]) # LB_CONFIG_LDISKFS
430 # LB_VALIDATE_EXT4_SRC_DIR
432 # Spot check the existence of several source files common to ext4.
433 # Detecting this at configure time allows us to avoid a potential build
434 # failure and provide a useful error message to explain what is wrong.
436 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
437 enable_ldiskfs_build="no"
438 AS_IF([test -n "$EXT4_SRC_DIR"], [
439 enable_ldiskfs_build="yes"
440 LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
441 enable_ldiskfs_build="no"
442 AC_MSG_WARN([ext4 must exist for ldiskfs build])
444 LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
445 enable_ldiskfs_build="no"
446 AC_MSG_WARN([ext4 must exist for ldiskfs build])
448 LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
449 enable_ldiskfs_build="no"
450 AC_MSG_WARN([ext4 must exist for ldiskfs build])
452 LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
453 enable_ldiskfs_build="no"
454 AC_MSG_WARN([ext4 must exist for ldiskfs build])
458 AS_IF([test "x$enable_ldiskfs_build" = xno], [
463 Disabling ldiskfs support because complete ext4 source does not exist.
465 If you are building using kernel-devel packages and require ldiskfs
466 server support then ensure that the matching kernel-debuginfo-common
467 and kernel-debuginfo-common-<arch> packages are installed.
470 ]) # LB_VALIDATE_EXT4_SRC_DIR
475 # Determine the location of the ext4 source code. It it required
476 # for several configure tests and to build ldiskfs.
478 AC_DEFUN([LB_EXT4_SRC_DIR], [
479 AC_MSG_CHECKING([ext4 source directory])
480 # Kernel ext source located with devel headers
482 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
483 EXT4_SRC_DIR="$linux_src/fs/ext4"
485 # Kernel ext source provided by kernel-debuginfo-common package
486 # that extracted to $LINUX
487 linux_src=$(ls -1d $linux_src/../../debug/*/linux-${LINUXRELEASE%.*}* \
488 2>/dev/null | tail -1)
489 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
490 EXT4_SRC_DIR="$linux_src/fs/ext4"
492 # Kernel ext source provided by kernel-debuginfo-common package
493 linux_src=$(ls -1d /usr/src/debug/*/linux-${LINUXRELEASE%.*}* \
494 2>/dev/null | tail -1)
495 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
496 EXT4_SRC_DIR="$linux_src/fs/ext4"
502 AC_MSG_RESULT([$EXT4_SRC_DIR])
503 AC_SUBST(EXT4_SRC_DIR)
505 LB_VALIDATE_EXT4_SRC_DIR
509 # LB_DEFINE_E2FSPROGS_NAMES
511 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
513 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
514 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
515 AC_ARG_WITH([ldiskfsprogs],
516 AC_HELP_STRING([--with-ldiskfsprogs],
517 [use alternate names for ldiskfs-enabled e2fsprogs]),
520 AS_IF([test "x$withval" = xyes], [
521 AC_MSG_RESULT([enabled])
522 AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
523 E2FSPROGS="ldiskfsprogs"
524 MKE2FS="mkfs.ldiskfs"
525 DEBUGFS="debugfs.ldiskfs"
526 TUNE2FS="tunefs.ldiskfs"
527 E2LABEL="label.ldiskfs"
528 DUMPE2FS="dumpfs.ldiskfs"
529 E2FSCK="fsck.ldiskfs"
530 PFSCK="pfsck.ldiskfs"
532 AC_MSG_RESULT([disabled])
533 E2FSPROGS="e2fsprogs"
543 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
544 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
545 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
546 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
547 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
548 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
549 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
550 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
552 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
553 AC_SUBST([MKE2FS], [$MKE2FS])
554 AC_SUBST([DEBUGFS], [$DEBUGFS])
555 AC_SUBST([TUNE2FS], [$TUNE2FS])
556 AC_SUBST([E2LABEL], [$E2LABEL])
557 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
558 AC_SUBST([E2FSCK], [$E2FSCK])
559 AC_SUBST([PFSCK], [$PFSCK])
560 ]) # LB_DEFINE_E2FSPROGS_NAMES