4 # --without-ldiskfs - Disable ldiskfs support.
7 # --with-ldiskfs - Enable ldiskfs support and attempt to autodetect the
8 # --with-ldiskfs=yes headers in one of the following places in this order:
10 # * /usr/src/ldiskfs-*/$LINUXRELEASE
13 # --with-ldiskfs=path - Enable ldiskfs support and use the headers in the
14 # provided path. No autodetection is performed.
16 # --with-ldiskfs-obj - When ldiskfs support is enabled the object directory
17 # will be based on the --with-ldiskfs directory. If
18 # this is detected incorrectly it can be explicitly
19 # specified using this option.
21 # NOTE: As with all external packages ldiskfs is expected to already be
22 # configured and built. However, if the ldiskfs tree is located in-tree
23 # (./ldiskfs) then it will be configured and built recursively as part of
24 # the lustre build system.
26 # NOTE: The lustre and in-tree ldiskfs build systems both make use these
27 # macros. This is undesirable and confusing at best, it is potentially
28 # danagerous at worst. The ldiskfs build system should be entirely stand
29 # alone without dependency on the lustre build system.
31 AC_DEFUN([LB_PATH_LDISKFS],
33 AC_ARG_WITH([ldiskfs],
34 AC_HELP_STRING([--with-ldiskfs=path], [set path to ldiskfs source]),
36 if test x$enable_server = xyes && test x$enable_dist = xno; then
43 case x$with_ldiskfs in
51 ldiskfs_src=$PWD/ldiskfs
52 if test -e "$ldiskfs_src"; then
53 LDISKFS_DIR=$(readlink -f $ldiskfs_src)
55 # Check /usr/src/ldiskfs-*/$LINUXRELEASE
56 ldiskfs_src=$(ls -1d \
57 /usr/src/ldiskfs-*/$LINUXRELEASE \
58 2>/dev/null | tail -1)
59 if test -e "$ldiskfs_src"; then
60 LDISKFS_DIR=$(readlink -f $ldiskfs_src)
63 ldiskfs_src=$PWD/../ldiskfs
64 if test -e "$ldiskfs_src"; then
65 LDISKFS_DIR=$(readlink -f $ldiskfs_src)
67 # Disable ldiskfs failed to detect
75 LDISKFS_DIR=$(readlink -f $with_ldiskfs)
80 AC_MSG_CHECKING([whether to enable ldiskfs])
81 AC_MSG_RESULT([$with_ldiskfs])
83 AC_ARG_WITH([ldiskfs-obj],
84 AC_HELP_STRING([--with-ldiskfs-obj=path],[set path to ldiskfs objects]),
86 if test x$with_ldiskfs = xyes; then
87 LDISKFS_OBJ="$withval"
90 if test x$with_ldiskfs = xyes; then
91 LDISKFS_OBJ=$LDISKFS_DIR
95 if test x$with_ldiskfs = xyes; then
96 AC_MSG_CHECKING([ldiskfs source directory])
97 AC_MSG_RESULT([$LDISKFS_DIR])
100 AC_MSG_CHECKING([ldiskfs object directory])
101 AC_MSG_RESULT([$LDISKFS_OBJ])
102 AC_SUBST(LDISKFS_OBJ)
106 LB_LDISKFS_EXT_RELEASE
109 LB_LDISKFS_DEFINE_OPTIONS
113 # LDISKFS_DEVEL is required because when using the ldiskfs-devel package the
114 # ext3/4 source will be fully patched to ldiskfs. When building with the
115 # in-tree ldiskfs this patching this will occur after the configure step.
116 # We needed a way to determine if we should check the patched or unpatched
119 # Longer term this could be removed by moving the ldiskfs patching in to
120 # the configure phase. Or better yet ldiskfs could be updated to generate
121 # a ldiskfs_config.h which clearly defines how it was built. This can
122 # then be directly included by Lustre to avoid all the autoconf guess work.
123 # For an example of this behavior consult the lustre/zfs build integration.
125 AM_CONDITIONAL(LDISKFS_DEVEL, \
126 test x$LDISKFS_DIR = x$(readlink -f $PWD/ldiskfs) || \
127 test x$LDISKFS_DIR = x$(readlink -f $PWD/../ldiskfs))
129 AM_CONDITIONAL(LDISKFS_BUILD, test x$enable_ldiskfs_build = xyes)
130 AM_CONDITIONAL(LDISKFS_ENABLED, test x$with_ldiskfs = xyes)
132 if test -e "$PWD/ldiskfs"; then
133 LDISKFS_DIST_SUBDIR="ldiskfs"
134 AC_SUBST(LDISKFS_DIST_SUBDIR)
135 AC_CONFIG_SUBDIRS("ldiskfs")
140 # LB_LDISKFS_EXT_RELEASE
142 # Determine if ext3 or ext4 sources should be used for ldiskfs.
144 AC_DEFUN([LB_LDISKFS_EXT_RELEASE],
146 AC_ARG_ENABLE([ext4],
147 AC_HELP_STRING([--enable-ext4], [enable ldiskfs build using ext4]),
150 if test x$RHEL_KERNEL = xyes; then
153 # 2.6.22-2.6.26 ext4 available but unstable
154 case x$LINUXRELEASE in
163 if test x$enable_ext4 = xyes; then
164 LDISKFS_BACKFS='ext4'
166 LDISKFS_BACKFS='ext3'
169 AC_MSG_CHECKING([whether to use ext3 or ext4 source])
170 AC_MSG_RESULT([$LDISKFS_BACKFS])
171 AC_SUBST(LDISKFS_BACKFS)
177 # Determine the location of the ext3/ext4 source code. It it required
178 # for several configure tests and to build ldiskfs.
180 AC_DEFUN([LB_LDISKFS_EXT_DIR],
182 # Kernel ext source located with devel headers
184 if test -e "$linux_src/fs/$LDISKFS_BACKFS/super.c"; then
185 EXT_DIR=$linux_src/fs/$LDISKFS_BACKFS
187 # Kernel ext source provided by kernel-debuginfo-common package
188 linux_src=$(ls -1d /usr/src/debug/*/linux-$LINUXRELEASE \
189 2>/dev/null | tail -1)
190 if test -e "$linux_src/fs/$LDISKFS_BACKFS/super.c"; then
191 EXT_DIR=$linux_src/fs/$LDISKFS_BACKFS
197 AC_MSG_CHECKING([$LDISKFS_BACKFS source directory])
198 AC_MSG_RESULT([$EXT_DIR])
203 # LB_LDISKFS_EXT_SOURCE
205 # Spot check the existance of several source files common to ext3/ext4.
206 # Detecting this at configure time allows us to avoid a potential build
207 # failure and provide a useful error message to explain what is wrong.
209 AC_DEFUN([LB_LDISKFS_EXT_SOURCE],
211 if test x$EXT_DIR = x; then
212 AC_MSG_ERROR([Complete $LDISKFS_BACKFS source must exist.
214 If you are building using kernel-devel packages then ensure that the
215 matching kernel-debuginfo-common and kernel-debuginfo-common-<arch>
216 packages are installed.])
219 LB_CHECK_FILE([$EXT_DIR/dir.c], [], [ AC_MSG_ERROR(
220 [Complete $LDISKFS_BACKFS source must exist for ldiskfs build])])
221 LB_CHECK_FILE([$EXT_DIR/file.c], [], [ AC_MSG_ERROR(
222 [Complete $LDISKFS_BACKFS source must exist for ldiskfs build])])
223 LB_CHECK_FILE([$EXT_DIR/inode.c], [], [ AC_MSG_ERROR(
224 [Complete $LDISKFS_BACKFS source must exist for ldiskfs build])])
225 LB_CHECK_FILE([$EXT_DIR/super.c], [], [ AC_MSG_ERROR(
226 [Complete $LDISKFS_BACKFS source must exist for ldiskfs build])])
230 # LB_LDISKFS_DEFINE_OPTIONS
232 # Enable config options related to ldiskfs. These are used by ldiskfs,
233 # lvfs, and the osd-ldiskfs code (which includes ldiskfs headers.)
235 AC_DEFUN([LB_LDISKFS_DEFINE_OPTIONS],
237 AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
239 if test $LDISKFS_BACKFS = 'ext4'; then
240 AC_DEFINE(HAVE_EXT4_LDISKFS, 1, [build ext4 based ldiskfs])
243 LB_LDISKFS_JBD2_JOURNAL_CALLBACK_SET
245 AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1,
246 [enable extended attributes for ldiskfs])
247 AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1,
248 [enable posix acls for ldiskfs])
249 AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1,
250 [enable fs security for ldiskfs])
251 AC_DEFINE(CONFIG_LDISKFSDEV_FS_POSIX_ACL, 1,
252 [enable posix acls for ldiskfs])
253 AC_DEFINE(CONFIG_LDISKFSDEV_FS_XATTR, 1,
254 [enable extented attributes for ldiskfs])
255 AC_DEFINE(CONFIG_LDISKFSDEV_FS_SECURITY, 1,
256 [enable fs security for ldiskfs])
260 # Check for jbd2_journal_callback_set(), which is needed for commit
261 # callbacks. When LU-433 lands jbd2_journal_callback_set() will only
262 # remain for legacy reasons and AC_MSG_ERROR can be removed.
264 # 2.6.18 with ext3 still uses journal_callback_set() for commit callbacks.
266 AC_DEFUN([LB_LDISKFS_JBD2_JOURNAL_CALLBACK_SET],
268 LB_CHECK_SYMBOL_EXPORT([jbd2_journal_callback_set],
270 [AC_DEFINE(HAVE_JBD2_JOURNAL_CALLBACK_SET, 1,
271 [kernel exports jbd2_journal_callback_set])],
272 [LB_CHECK_SYMBOL_EXPORT([journal_callback_set],
274 [AC_DEFINE(HAVE_JOURNAL_CALLBACK_SET, 1,
275 [kernel exports journal_callback_set])],
276 [if test x$with_ldiskfs != xno ; then
277 AC_MSG_ERROR([ldiskfs needs jbd2-jcberr patch])
282 # Optionally configure/make the ldiskfs sources. If the sources are
283 # determined to reside in-tree this feature will automatically be
284 # enabled. If the sources are not in-tree it will be disabled.
285 # Use --enable-ldiskfs-build or --disable-ldiskfs-build if you need
286 # to override this behavior.
288 AC_DEFUN([LB_LDISKFS_BUILD],
290 AC_ARG_ENABLE([ldiskfs-build],
291 AC_HELP_STRING([--enable-ldiskfs-build],
292 [enable ldiskfs configure/make]),
294 LDISKFS_DIR_INTREE=$(readlink -f $PWD/ldiskfs)
295 if test x$LDISKFS_DIR = x$LDISKFS_DIR_INTREE; then
296 enable_ldiskfs_build='yes'
298 enable_ldiskfs_build='no'
302 AC_MSG_CHECKING([whether to build ldiskfs])
303 if test x$enable_ldiskfs_build = xyes; then
304 AC_MSG_RESULT([$enable_ldiskfs_build])
306 LB_CHECK_FILE([$LDISKFS_DIR/configure], [], [
307 AC_MSG_ERROR([Complete ldiskfs build system must exist])])
308 LB_LDISKFS_EXT_SOURCE
310 LDISKFS_SUBDIR="ldiskfs"
311 AC_SUBST(LDISKFS_SUBDIR)
313 enable_ldiskfs_build='no'
314 AC_MSG_RESULT([$enable_ldiskfs_build])
318 AC_DEFUN([LB_LDISKFS_SYMVERS],
320 AC_MSG_CHECKING([ldiskfs module symbols])
321 if test -r $LDISKFS_OBJ/Module.symvers; then
322 LDISKFS_SYMBOLS=Module.symvers
323 elif test -r $LDISKFS_OBJ/Modules.symvers; then
324 LDISKFS_SYMBOLS=Modules.symvers
325 elif test -r $LDISKFS_OBJ/ldiskfs/Module.symvers; then
326 LDISKFS_SYMBOLS=Module.symvers
327 elif test -r $LDISKFS_OBJ/ldiskfs/Modules.symvers; then
328 LDISKFS_SYMBOLS=Modules.symvers
330 LDISKFS_SYMBOLS=$SYMVERFILE
333 AC_MSG_RESULT([$LDISKFS_SYMBOLS])
334 AC_SUBST(LDISKFS_SYMBOLS)
337 AC_DEFUN([LB_LDISKFS_RELEASE],
339 AC_MSG_CHECKING([ldiskfs source release])
340 if test -r $LDISKFS_OBJ/config.h; then
341 tmp_flags="$EXTRA_KCFLAGS"
342 EXTRA_KCFLAGS="-I$LDISKFS_DIR $EXTRA_KCFLAGS"
345 #undef PACKAGE_TARNAME
346 #undef PACKAGE_VERSION
347 #undef PACKAGE_STRING
348 #undef PACKAGE_BUGREPORT
353 #include <$LDISKFS_OBJ/config.h>
355 char *LDISKFS_RELEASE;
356 LDISKFS_RELEASE=VERSION;
358 $makerule LUSTRE_KERNEL_TEST=conftest.i
360 test -s build/conftest.i
362 eval $(grep "LDISKFS_RELEASE=" build/conftest.i)
364 AC_MSG_RESULT([unknown])
365 AC_MSG_ERROR([Could not preprocess test program.])
367 EXTRA_KCFLAGS="$tmp_flags"
369 elif test -r $LDISKFS_DIR/configure.ac; then
370 LDISKFS_RELEASE=$(awk '/AC\_INIT/ { print [$]3 }' \
371 $LDISKFS_DIR/configure.ac | tr ',' '\n')
373 AC_MSG_RESULT([unknown])
374 AC_MSG_ERROR([Could not locate config.h, META, or configure.ac to check release.])
377 if test x$LDISKFS_RELEASE = x; then
378 AC_MSG_RESULT([unknown])
379 AC_MSG_ERROR([Could not determine ldiskfs release.])
382 AC_MSG_RESULT([$LDISKFS_RELEASE])
383 AC_SUBST(LDISKFS_RELEASE)
387 # LB_DEFINE_E2FSPROGS_NAMES
389 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
391 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES],
393 AC_ARG_WITH([ldiskfsprogs],
394 AC_HELP_STRING([--with-ldiskfsprogs],
395 [use alternate names for ldiskfs-enabled e2fsprogs]),
398 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
399 if test x$withval = xyes ; then
400 AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
401 E2FSPROGS="ldiskfsprogs"
402 MKE2FS="mkfs.ldiskfs"
403 DEBUGFS="debugfs.ldiskfs"
404 TUNE2FS="tunefs.ldiskfs"
405 E2LABEL="label.ldiskfs"
406 DUMPE2FS="dumpfs.ldiskfs"
407 E2FSCK="fsck.ldiskfs"
408 PFSCK="pfsck.ldiskfs"
409 AC_MSG_RESULT([enabled])
411 E2FSPROGS="e2fsprogs"
419 AC_MSG_RESULT([disabled])
422 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
423 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
424 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
425 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
426 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
427 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
428 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
429 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
431 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
432 AC_SUBST([MKE2FS], [$MKE2FS])
433 AC_SUBST([DEBUGFS], [$DEBUGFS])
434 AC_SUBST([TUNE2FS], [$TUNE2FS])
435 AC_SUBST([E2LABEL], [$E2LABEL])
436 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
437 AC_SUBST([E2FSCK], [$E2FSCK])
438 AC_SUBST([PFSCK], [$PFSCK])
441 AC_DEFUN([LB_LDISKFS_SERIES],
444 AC_MSG_CHECKING([which ldiskfs series to use])
445 case $LINUXRELEASE in
447 if test x$RHEL_KERNEL = xyes; then
448 LDISKFS_SERIES="2.6-rhel5-ext4.series"
452 if test x$RHEL_KERNEL = xyes; then
453 LDISKFS_SERIES="2.6-rhel6.series"
457 AC_MSG_WARN([Unknown kernel version $LINUXRELEASE])
461 AC_MSG_RESULT([$LDISKFS_SERIES])
465 AC_SUBST(LDISKFS_SERIES)