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LU-8058 lnet: Remove old commented out code
[fs/lustre-release.git] / config / lustre-build-ldiskfs.m4
1 #
2 # LDISKFS_LINUX_SERIES
3 #
4 AC_DEFUN([LDISKFS_LINUX_SERIES], [
5 AC_MSG_CHECKING([which ldiskfs series to use])
6 case x$LDISKFS_SERIES in
7         x)                      # not set
8                 ;;
9         *.series)               # set externally
10                 ;;
11         *) LDISKFS_SERIES=
12 esac
13 AS_IF([test -z "$LDISKFS_SERIES"], [
14 AS_IF([test x$RHEL_KERNEL = xyes], [
15         case $RHEL_RELEASE_NO in
16         72)     LDISKFS_SERIES="3.10-rhel7.2.series"    ;;
17         71)     LDISKFS_SERIES="3.10-rhel7.series"      ;;
18         68)     LDISKFS_SERIES="2.6-rhel6.8.series"     ;;
19         67)     LDISKFS_SERIES="2.6-rhel6.7.series"     ;;
20         66)     LDISKFS_SERIES="2.6-rhel6.6.series"     ;;
21         65)     LDISKFS_SERIES="2.6-rhel6.5.series"     ;;
22         64)     LDISKFS_SERIES="2.6-rhel6.4.series"     ;;
23         6[0-3]) LDISKFS_SERIES="2.6-rhel6.series"       ;;
24         esac
25 ], [test x$SUSE_KERNEL = xyes], [
26         AS_VERSION_COMPARE([$LINUXRELEASE],[3.12.0],[
27         AS_VERSION_COMPARE([$LINUXRELEASE],[3.0.0],[
28         AS_VERSION_COMPARE([$LINUXRELEASE],[2.6.32], [],
29         [LDISKFS_SERIES="2.6-sles11.series"],[LDISKFS_SERIES="2.6-sles11.series"])],
30         [LDISKFS_SERIES="3.0-sles11.series"],[
31                 PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
32                 case $PLEV in
33                 2) LDISKFS_SERIES="3.0-sles11.series"
34                         ;;
35                 3|4) LDISKFS_SERIES="3.0-sles11sp3.series"
36                         ;;
37                 esac
38         ])],[LDISKFS_SERIES="3.12-sles12.series"],[
39                 PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
40                 case $PLEV in
41                 1) LDISKFS_SERIES="3.12-sles12sp1.series"
42                         ;;
43                 *) LDISKFS_SERIES="3.12-sles12.series"
44                         ;;
45                 esac
46         ])
47 ])
48 ])
49 AS_IF([test -z "$LDISKFS_SERIES"],
50         [AC_MSG_WARN([Unknown kernel version $LDISKFS_VERSIONRELEASE])])
51 AC_MSG_RESULT([$LDISKFS_SERIES])
52 AC_SUBST(LDISKFS_SERIES)
53 ]) # LDISKFS_LINUX_SERIES
54
55 #
56 # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
57 #
58 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
59 # Note that RHEL6 is pre 2.6.32-rc7 so this check is still needed.
60 #
61 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
62 LB_CHECK_COMPILE([if 'ext4_free_blocks' needs 'struct buffer_head'],
63 ext4_free_blocks_with_buffer_head, [
64         #include <linux/fs.h>
65         #include "$EXT4_SRC_DIR/ext4.h"
66 ],[
67         ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
68 ],[
69         AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
70                 [ext4_free_blocks do not require struct buffer_head])
71 ])
72 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
73
74 #
75 # LB_EXT_PBLOCK
76 #
77 # 2.6.35 renamed ext_pblock to ext4_ext_pblock(ex)
78 #
79 AC_DEFUN([LB_EXT_PBLOCK], [
80 LB_CHECK_COMPILE([if Linux kernel has 'ext_pblock'],
81 ext_pblock, [
82         #include <linux/fs.h>
83         #include "$EXT4_SRC_DIR/ext4_extents.h"
84 ],[
85         ext_pblock(NULL);
86 ],[
87         AC_DEFINE(HAVE_EXT_PBLOCK, 1, [Linux kernel has ext_pblock])
88 ])
89 ]) # LB_EXT_PBLOCK
90
91 #
92 # LB_EXT4_JOURNAL_START_3ARGS
93 #
94 # 3.9 added a type argument to ext4_journal_start and friends
95 #
96 AC_DEFUN([LB_EXT4_JOURNAL_START_3ARGS], [
97 LB_CHECK_COMPILE([if ext4_journal_start takes 3 arguments],
98 ext4_journal_start, [
99         #include <linux/fs.h>
100         #include "$EXT4_SRC_DIR/ext4_jbd2.h"
101 ],[
102         ext4_journal_start(NULL, 0, 0);
103 ],[
104         AC_DEFINE(JOURNAL_START_HAS_3ARGS, 1, [ext4_journal_start takes 3 arguments])
105 ])
106 ]) # LB_EXT4_JOURNAL_START_3ARGS
107
108 #
109 # LB_LDISKFS_MAP_BLOCKS
110 #
111 # Since 2.6.35 brought ext4_map_blocks() for IO.
112 # We just check this function whether existed.
113 # it must be exported by ldiskfs patches.
114 #
115 AC_DEFUN([LB_LDISKFS_MAP_BLOCKS], [
116 LB_CHECK_COMPILE([if kernel has ext4_map_blocks],
117 ext4_map_blocks, [
118         #include <linux/fs.h>
119         #include "$EXT4_SRC_DIR/ext4.h"
120 ],[
121         ext4_map_blocks(NULL, NULL, NULL, 0);
122 ],[
123         AC_DEFINE(HAVE_LDISKFS_MAP_BLOCKS, 1, [kernel has ext4_map_blocks])
124 ])
125 ])
126
127 #
128 # LDISKFS_AC_PATCH_PROGRAM
129 #
130 # Determine which program should be used to apply the patches to
131 # the ext4 source code to produce the ldiskfs source code.
132 #
133 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
134         AC_ARG_ENABLE([quilt],
135                 [AC_HELP_STRING([--disable-quilt],
136                         [disable use of quilt for ldiskfs])],
137                 [AS_IF([test "x$enableval" = xno],
138                         [use_quilt=no],
139                         [use_quilt=maybe])],
140                 [use_quilt=maybe]
141         )
142
143         AS_IF([test x$use_quilt = xmaybe], [
144                 AC_PATH_PROG([quilt_avail], [quilt], [no])
145                 AS_IF([test x$quilt_avail = xno], [
146                         use_quilt=no
147                 ], [
148                         use_quilt=yes
149                 ])
150         ])
151
152         AS_IF([test x$use_quilt = xno], [
153                 AC_PATH_PROG([patch_avail], [patch], [no])
154                 AS_IF([test x$patch_avail = xno], [
155                         AC_MSG_ERROR([*** Need "quilt" or "patch" command])
156                 ])
157         ])
158 ]) # LDISKFS_AC_PATCH_PROGRAM
159
160 #
161 # LB_CONFIG_LDISKFS
162 #
163 AC_DEFUN([LB_CONFIG_LDISKFS], [
164 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
165 # However we continue to support this option through Lustre 2.5.
166 AC_ARG_WITH([ldiskfs],
167         [],
168         [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
169         AS_IF([test x$withval != xyes -a x$withval != xno],
170                 [AC_MSG_ERROR([
171
172 The ldiskfs option is deprecated,
173 and no longer supports paths to external ldiskfs source
174 ])])
175 ])
176
177 AC_ARG_ENABLE([ldiskfs],
178         [AS_HELP_STRING([--disable-ldiskfs],
179                 [disable ldiskfs osd (default is enable)])],
180         [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
181                 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
182         [AS_IF([test "${with_ldiskfs+set}" = set],
183                 [enable_ldiskfs=$with_ldiskfs],
184                 [enable_ldiskfs=maybe])
185 ])
186
187 AS_IF([test x$enable_server = xno],
188         [AS_CASE([$enable_ldiskfs],
189                 [maybe], [enable_ldiskfs=no],
190                 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
191         )])
192
193 AS_IF([test x$enable_ldiskfs != xno],[
194         # In the future, we chould change enable_ldiskfs from maybe to
195         # either yes or no based on additional tests, e.g.  whether a patch
196         # set is available for the detected kernel.  For now, we just always
197         # set it to "yes".
198         AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
199
200         LDISKFS_LINUX_SERIES
201         LDISKFS_AC_PATCH_PROGRAM
202         LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
203         LB_EXT_PBLOCK
204         LB_EXT4_JOURNAL_START_3ARGS
205         LB_LDISKFS_MAP_BLOCKS
206         AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
207         AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
208         AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
209         AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
210         AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
211         AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
212 ])
213
214 AC_MSG_CHECKING([whether to build ldiskfs])
215 AC_MSG_RESULT([$enable_ldiskfs])
216
217 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
218 ]) # LB_CONFIG_LDISKFS
219
220 #
221 # LB_VALIDATE_EXT4_SRC_DIR
222 #
223 # Spot check the existence of several source files common to ext4.
224 # Detecting this at configure time allows us to avoid a potential build
225 # failure and provide a useful error message to explain what is wrong.
226 #
227 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
228 enable_ldiskfs_build="no"
229 AS_IF([test -n "$EXT4_SRC_DIR"], [
230         enable_ldiskfs_build="yes"
231         LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
232                 enable_ldiskfs_build="no"
233                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
234         ])
235         LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
236                 enable_ldiskfs_build="no"
237                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
238         ])
239         LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
240                 enable_ldiskfs_build="no"
241                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
242         ])
243         LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
244                 enable_ldiskfs_build="no"
245                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
246         ])
247 ])
248
249 AS_IF([test "x$enable_ldiskfs_build" = xno], [
250         enable_ldiskfs="no"
251
252         AC_MSG_WARN([
253
254 Disabling ldiskfs support because complete ext4 source does not exist.
255
256 If you are building using kernel-devel packages and require ldiskfs
257 server support then ensure that the matching kernel-debuginfo-common
258 and kernel-debuginfo-common-<arch> packages are installed.
259 ])
260 ])
261 ]) # LB_VALIDATE_EXT4_SRC_DIR
262
263 #
264 # LB_EXT4_SRC_DIR
265 #
266 # Determine the location of the ext4 source code.  It it required
267 # for several configure tests and to build ldiskfs.
268 #
269 AC_DEFUN([LB_EXT4_SRC_DIR], [
270 AC_MSG_CHECKING([ext4 source directory])
271 # Kernel ext source located with devel headers
272 linux_src=$LINUX
273 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
274         EXT4_SRC_DIR="$linux_src/fs/ext4"
275 ], [
276         # Kernel ext source provided by kernel-debuginfo-common package
277         linux_src=$(ls -1d /usr/src/debug/*/linux-$LINUXRELEASE \
278                 2>/dev/null | tail -1)
279         AS_IF([test -e "$linux_src/fs/ext4/super.c"],
280                 [EXT4_SRC_DIR="$linux_src/fs/ext4"],
281                 [EXT4_SRC_DIR=""])
282 ])
283 AC_MSG_RESULT([$EXT4_SRC_DIR])
284 AC_SUBST(EXT4_SRC_DIR)
285
286 LB_VALIDATE_EXT4_SRC_DIR
287 ]) # LB_EXT4_SRC_DIR
288
289 #
290 # LB_DEFINE_E2FSPROGS_NAMES
291 #
292 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
293 #
294 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
295 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
296 AC_ARG_WITH([ldiskfsprogs],
297         AC_HELP_STRING([--with-ldiskfsprogs],
298                 [use alternate names for ldiskfs-enabled e2fsprogs]),
299         [], [withval="no"])
300
301 AS_IF([test "x$withval" = xyes], [
302         AC_MSG_RESULT([enabled])
303         AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
304         E2FSPROGS="ldiskfsprogs"
305         MKE2FS="mkfs.ldiskfs"
306         DEBUGFS="debugfs.ldiskfs"
307         TUNE2FS="tunefs.ldiskfs"
308         E2LABEL="label.ldiskfs"
309         DUMPE2FS="dumpfs.ldiskfs"
310         E2FSCK="fsck.ldiskfs"
311         PFSCK="pfsck.ldiskfs"
312 ], [
313         AC_MSG_RESULT([disabled])
314         E2FSPROGS="e2fsprogs"
315         MKE2FS="mke2fs"
316         DEBUGFS="debugfs"
317         TUNE2FS="tune2fs"
318         E2LABEL="e2label"
319         DUMPE2FS="dumpe2fs"
320         E2FSCK="e2fsck"
321         PFSCK="fsck"
322 ])
323
324 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
325 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
326 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
327 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
328 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
329 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
330 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
331 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
332
333 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
334 AC_SUBST([MKE2FS], [$MKE2FS])
335 AC_SUBST([DEBUGFS], [$DEBUGFS])
336 AC_SUBST([TUNE2FS], [$TUNE2FS])
337 AC_SUBST([E2LABEL], [$E2LABEL])
338 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
339 AC_SUBST([E2FSCK], [$E2FSCK])
340 AC_SUBST([PFSCK], [$PFSCK])
341 ]) # LB_DEFINE_E2FSPROGS_NAMES