4 AC_DEFUN([LDISKFS_LINUX_SERIES], [
6 AC_MSG_CHECKING([which ldiskfs series to use])
7 AS_IF([test x$RHEL_KERNEL = xyes], [
8 case $RHEL_RELEASE_NO in
9 71) LDISKFS_SERIES="3.10-rhel7.series" ;;
10 66) LDISKFS_SERIES="2.6-rhel6.6.series" ;;
11 65) LDISKFS_SERIES="2.6-rhel6.5.series" ;;
12 64) LDISKFS_SERIES="2.6-rhel6.4.series" ;;
13 6[0-3]) LDISKFS_SERIES="2.6-rhel6.series" ;;
15 ], [test x$SUSE_KERNEL = xyes], [
16 AS_VERSION_COMPARE([$LINUXRELEASE],[3.0.0],[
17 AS_VERSION_COMPARE([$LINUXRELEASE],[2.6.32], [],
18 [LDISKFS_SERIES="2.6-sles11.series"],[LDISKFS_SERIES="2.6-sles11.series"])],
19 [LDISKFS_SERIES="3.0-sles11.series"],[
20 PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
22 2) LDISKFS_SERIES="3.0-sles11.series"
24 3) LDISKFS_SERIES="3.0-sles11sp3.series"
29 AS_IF([test -z "$LDISKFS_SERIES"],
30 [AC_MSG_WARN([Unknown kernel version $LDISKFS_VERSIONRELEASE])])
31 AC_MSG_RESULT([$LDISKFS_SERIES])
32 AC_SUBST(LDISKFS_SERIES)
33 ]) # LDISKFS_LINUX_SERIES
36 # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
38 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
39 # Note that RHEL6 is pre 2.6.32-rc7 so this check is still needed.
41 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
42 LB_CHECK_COMPILE([if 'ext4_free_blocks' needs 'struct buffer_head'],
43 ext4_free_blocks_with_buffer_head, [
45 #include "$EXT4_SRC_DIR/ext4.h"
47 ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
49 AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
50 [ext4_free_blocks do not require struct buffer_head])
52 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
57 # 2.6.35 renamed ext_pblock to ext4_ext_pblock(ex)
59 AC_DEFUN([LB_EXT_PBLOCK], [
60 LB_CHECK_COMPILE([if Linux kernel has 'ext_pblock'],
63 #include "$EXT4_SRC_DIR/ext4_extents.h"
67 AC_DEFINE(HAVE_EXT_PBLOCK, 1, [Linux kernel has ext_pblock])
72 # LB_EXT4_JOURNAL_START_3ARGS
74 # 3.9 added a type argument to ext4_journal_start and friends
76 AC_DEFUN([LB_EXT4_JOURNAL_START_3ARGS], [
77 LB_CHECK_COMPILE([if ext4_journal_start takes 3 arguments],
80 #include "$EXT4_SRC_DIR/ext4_jbd2.h"
82 ext4_journal_start(NULL, 0, 0);
84 AC_DEFINE(JOURNAL_START_HAS_3ARGS, 1, [ext4_journal_start takes 3 arguments])
86 ]) # LB_EXT4_JOURNAL_START_3ARGS
89 # LB_LDISKFS_MAP_BLOCKS
91 # Since 2.6.35 brought ext4_map_blocks() for IO.
92 # We just check this function whether existed.
93 # it must be exported by ldiskfs patches.
95 AC_DEFUN([LB_LDISKFS_MAP_BLOCKS], [
96 LB_CHECK_COMPILE([if kernel has ext4_map_blocks],
99 #include "$EXT4_SRC_DIR/ext4.h"
101 ext4_map_blocks(NULL, NULL, NULL, 0);
103 AC_DEFINE(HAVE_LDISKFS_MAP_BLOCKS, 1, [kernel has ext4_map_blocks])
108 # LDISKFS_AC_PATCH_PROGRAM
110 # Determine which program should be used to apply the patches to
111 # the ext4 source code to produce the ldiskfs source code.
113 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
114 AC_ARG_ENABLE([quilt],
115 [AC_HELP_STRING([--disable-quilt],
116 [disable use of quilt for ldiskfs])],
117 [AS_IF([test "x$enableval" = xno],
123 AS_IF([test x$use_quilt = xmaybe], [
124 AC_PATH_PROG([quilt_avail], [quilt], [no])
125 AS_IF([test x$quilt_avail = xno], [
132 AS_IF([test x$use_quilt = xno], [
133 AC_PATH_PROG([patch_avail], [patch], [no])
134 AS_IF([test x$patch_avail = xno], [
135 AC_MSG_ERROR([*** Need "quilt" or "patch" command])
138 ]) # LDISKFS_AC_PATCH_PROGRAM
143 AC_DEFUN([LB_CONFIG_LDISKFS], [
144 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
145 # However we continue to support this option through Lustre 2.5.
146 AC_ARG_WITH([ldiskfs],
148 [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
149 AS_IF([test x$withval != xyes -a x$withval != xno],
152 The ldiskfs option is deprecated,
153 and no longer supports paths to external ldiskfs source
157 AC_ARG_ENABLE([ldiskfs],
158 [AS_HELP_STRING([--disable-ldiskfs],
159 [disable ldiskfs osd (default is enable)])],
160 [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
161 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
162 [AS_IF([test "${with_ldiskfs+set}" = set],
163 [enable_ldiskfs=$with_ldiskfs],
164 [enable_ldiskfs=maybe])
167 AS_IF([test x$enable_server = xno],
168 [AS_CASE([$enable_ldiskfs],
169 [maybe], [enable_ldiskfs=no],
170 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
173 AS_IF([test x$enable_ldiskfs != xno],[
174 # In the future, we chould change enable_ldiskfs from maybe to
175 # either yes or no based on additional tests, e.g. whether a patch
176 # set is available for the detected kernel. For now, we just always
178 AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
181 LDISKFS_AC_PATCH_PROGRAM
182 LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
184 LB_EXT4_JOURNAL_START_3ARGS
185 LB_LDISKFS_MAP_BLOCKS
186 AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
187 AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
188 AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
189 AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
190 AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
191 AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
194 AC_MSG_CHECKING([whether to build ldiskfs])
195 AC_MSG_RESULT([$enable_ldiskfs])
197 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
198 ]) # LB_CONFIG_LDISKFS
201 # LB_VALIDATE_EXT4_SRC_DIR
203 # Spot check the existance of several source files common to ext4.
204 # Detecting this at configure time allows us to avoid a potential build
205 # failure and provide a useful error message to explain what is wrong.
207 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
208 enable_ldiskfs_build="no"
209 AS_IF([test -n "$EXT4_SRC_DIR"], [
210 enable_ldiskfs_build="yes"
211 LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
212 enable_ldiskfs_build="no"
213 AC_MSG_WARN([ext4 must exist for ldiskfs build])
215 LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
216 enable_ldiskfs_build="no"
217 AC_MSG_WARN([ext4 must exist for ldiskfs build])
219 LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
220 enable_ldiskfs_build="no"
221 AC_MSG_WARN([ext4 must exist for ldiskfs build])
223 LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
224 enable_ldiskfs_build="no"
225 AC_MSG_WARN([ext4 must exist for ldiskfs build])
229 AS_IF([test "x$enable_ldiskfs_build" = xno], [
234 Disabling ldiskfs support because complete ext4 source does not exist.
236 If you are building using kernel-devel packages and require ldiskfs
237 server support then ensure that the matching kernel-debuginfo-common
238 and kernel-debuginfo-common-<arch> packages are installed.
241 ]) # LB_VALIDATE_EXT4_SRC_DIR
246 # Determine the location of the ext4 source code. It it required
247 # for several configure tests and to build ldiskfs.
249 AC_DEFUN([LB_EXT4_SRC_DIR], [
250 AC_MSG_CHECKING([ext4 source directory])
251 # Kernel ext source located with devel headers
253 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
254 EXT4_SRC_DIR="$linux_src/fs/ext4"
256 # Kernel ext source provided by kernel-debuginfo-common package
257 linux_src=$(ls -1d /usr/src/debug/*/linux-$LINUXRELEASE \
258 2>/dev/null | tail -1)
259 AS_IF([test -e "$linux_src/fs/ext4/super.c"],
260 [EXT4_SRC_DIR="$linux_src/fs/ext4"],
263 AC_MSG_RESULT([$EXT4_SRC_DIR])
264 AC_SUBST(EXT4_SRC_DIR)
266 LB_VALIDATE_EXT4_SRC_DIR
270 # LB_DEFINE_E2FSPROGS_NAMES
272 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
274 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
275 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
276 AC_ARG_WITH([ldiskfsprogs],
277 AC_HELP_STRING([--with-ldiskfsprogs],
278 [use alternate names for ldiskfs-enabled e2fsprogs]),
281 AS_IF([test "x$withval" = xyes], [
282 AC_MSG_RESULT([enabled])
283 AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
284 E2FSPROGS="ldiskfsprogs"
285 MKE2FS="mkfs.ldiskfs"
286 DEBUGFS="debugfs.ldiskfs"
287 TUNE2FS="tunefs.ldiskfs"
288 E2LABEL="label.ldiskfs"
289 DUMPE2FS="dumpfs.ldiskfs"
290 E2FSCK="fsck.ldiskfs"
291 PFSCK="pfsck.ldiskfs"
293 AC_MSG_RESULT([disabled])
294 E2FSPROGS="e2fsprogs"
304 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
305 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
306 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
307 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
308 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
309 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
310 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
311 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
313 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
314 AC_SUBST([MKE2FS], [$MKE2FS])
315 AC_SUBST([DEBUGFS], [$DEBUGFS])
316 AC_SUBST([TUNE2FS], [$TUNE2FS])
317 AC_SUBST([E2LABEL], [$E2LABEL])
318 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
319 AC_SUBST([E2FSCK], [$E2FSCK])
320 AC_SUBST([PFSCK], [$PFSCK])
321 ]) # LB_DEFINE_E2FSPROGS_NAMES