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 # LB_EXT4_BREAD_4ARGS
 129 #
 130 # 3.18 ext4_bread has 4 arguments
 131 #
 132 AC_DEFUN([LB_EXT4_BREAD_4ARGS], [
 133 LB_CHECK_COMPILE([if ext4_bread takes 4 arguments],
 134 ext4_bread, [
 135         #include <linux/fs.h>
 136         #include "$EXT4_SRC_DIR/ext4.h"
 137 ],[
 138         ext4_bread(NULL, NULL, 0, 0);
 139 ],[
 140         AC_DEFINE(HAVE_EXT4_BREAD_4ARGS, 1, [ext4_bread takes 4 arguments])
 141 ])
 142 ]) # LB_EXT4_BREAD_4ARGS
 143
 144 #
 145 # LDISKFS_AC_PATCH_PROGRAM
 146 #
 147 # Determine which program should be used to apply the patches to
 148 # the ext4 source code to produce the ldiskfs source code.
 149 #
 150 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
 151         AC_ARG_ENABLE([quilt],
 152                 [AC_HELP_STRING([--disable-quilt],
 153                         [disable use of quilt for ldiskfs])],
 154                 [AS_IF([test "x$enableval" = xno],
 155                         [use_quilt=no],
 156                         [use_quilt=maybe])],
 157                 [use_quilt=maybe]
 158         )
 159
 160         AS_IF([test x$use_quilt = xmaybe], [
 161                 AC_PATH_PROG([quilt_avail], [quilt], [no])
 162                 AS_IF([test x$quilt_avail = xno], [
 163                         use_quilt=no
 164                 ], [
 165                         use_quilt=yes
 166                 ])
 167         ])
 168
 169         AS_IF([test x$use_quilt = xno], [
 170                 AC_PATH_PROG([patch_avail], [patch], [no])
 171                 AS_IF([test x$patch_avail = xno], [
 172                         AC_MSG_ERROR([*** Need "quilt" or "patch" command])
 173                 ])
 174         ])
 175 ]) # LDISKFS_AC_PATCH_PROGRAM
 176
 177 #
 178 # LB_CONFIG_LDISKFS
 179 #
 180 AC_DEFUN([LB_CONFIG_LDISKFS], [
 181 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
 182 # However we continue to support this option through Lustre 2.5.
 183 AC_ARG_WITH([ldiskfs],
 184         [],
 185         [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
 186         AS_IF([test x$withval != xyes -a x$withval != xno],
 187                 [AC_MSG_ERROR([
 188
 189 The ldiskfs option is deprecated,
 190 and no longer supports paths to external ldiskfs source
 191 ])])
 192 ])
 193
 194 AC_ARG_ENABLE([ldiskfs],
 195         [AS_HELP_STRING([--disable-ldiskfs],
 196                 [disable ldiskfs osd (default is enable)])],
 197         [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
 198                 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
 199         [AS_IF([test "${with_ldiskfs+set}" = set],
 200                 [enable_ldiskfs=$with_ldiskfs],
 201                 [enable_ldiskfs=maybe])
 202 ])
 203
 204 AS_IF([test x$enable_server = xno],
 205         [AS_CASE([$enable_ldiskfs],
 206                 [maybe], [enable_ldiskfs=no],
 207                 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
 208         )])
 209
 210 AS_IF([test x$enable_ldiskfs != xno],[
 211         # In the future, we chould change enable_ldiskfs from maybe to
 212         # either yes or no based on additional tests, e.g.  whether a patch
 213         # set is available for the detected kernel.  For now, we just always
 214         # set it to "yes".
 215         AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
 216
 217         LDISKFS_LINUX_SERIES
 218         LDISKFS_AC_PATCH_PROGRAM
 219         LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
 220         LB_EXT_PBLOCK
 221         LB_EXT4_JOURNAL_START_3ARGS
 222         LB_LDISKFS_MAP_BLOCKS
 223         LB_EXT4_BREAD_4ARGS
 224         AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
 225         AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
 226         AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
 227         AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
 228         AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
 229         AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
 230 ])
 231
 232 AC_MSG_CHECKING([whether to build ldiskfs])
 233 AC_MSG_RESULT([$enable_ldiskfs])
 234
 235 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
 236 ]) # LB_CONFIG_LDISKFS
 237
 238 #
 239 # LB_VALIDATE_EXT4_SRC_DIR
 240 #
 241 # Spot check the existence of several source files common to ext4.
 242 # Detecting this at configure time allows us to avoid a potential build
 243 # failure and provide a useful error message to explain what is wrong.
 244 #
 245 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
 246 enable_ldiskfs_build="no"
 247 AS_IF([test -n "$EXT4_SRC_DIR"], [
 248         enable_ldiskfs_build="yes"
 249         LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
 250                 enable_ldiskfs_build="no"
 251                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 252         ])
 253         LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
 254                 enable_ldiskfs_build="no"
 255                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 256         ])
 257         LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
 258                 enable_ldiskfs_build="no"
 259                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 260         ])
 261         LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
 262                 enable_ldiskfs_build="no"
 263                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 264         ])
 265 ])
 266
 267 AS_IF([test "x$enable_ldiskfs_build" = xno], [
 268         enable_ldiskfs="no"
 269
 270         AC_MSG_WARN([
 271
 272 Disabling ldiskfs support because complete ext4 source does not exist.
 273
 274 If you are building using kernel-devel packages and require ldiskfs
 275 server support then ensure that the matching kernel-debuginfo-common
 276 and kernel-debuginfo-common-<arch> packages are installed.
 277 ])
 278 ])
 279 ]) # LB_VALIDATE_EXT4_SRC_DIR
 280
 281 #
 282 # LB_EXT4_SRC_DIR
 283 #
 284 # Determine the location of the ext4 source code.  It it required
 285 # for several configure tests and to build ldiskfs.
 286 #
 287 AC_DEFUN([LB_EXT4_SRC_DIR], [
 288 AC_MSG_CHECKING([ext4 source directory])
 289 # Kernel ext source located with devel headers
 290 linux_src=$LINUX
 291 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
 292         EXT4_SRC_DIR="$linux_src/fs/ext4"
 293 ], [
 294         # Kernel ext source provided by kernel-debuginfo-common package
 295         linux_src=$(ls -1d /usr/src/debug/*/linux-${LINUXRELEASE%.*}* \
 296                 2>/dev/null | tail -1)
 297         AS_IF([test -e "$linux_src/fs/ext4/super.c"],
 298                 [EXT4_SRC_DIR="$linux_src/fs/ext4"],
 299                 [EXT4_SRC_DIR=""])
 300 ])
 301 AC_MSG_RESULT([$EXT4_SRC_DIR])
 302 AC_SUBST(EXT4_SRC_DIR)
 303
 304 LB_VALIDATE_EXT4_SRC_DIR
 305 ]) # LB_EXT4_SRC_DIR
 306
 307 #
 308 # LB_DEFINE_E2FSPROGS_NAMES
 309 #
 310 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
 311 #
 312 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
 313 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
 314 AC_ARG_WITH([ldiskfsprogs],
 315         AC_HELP_STRING([--with-ldiskfsprogs],
 316                 [use alternate names for ldiskfs-enabled e2fsprogs]),
 317         [], [withval="no"])
 318
 319 AS_IF([test "x$withval" = xyes], [
 320         AC_MSG_RESULT([enabled])
 321         AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
 322         E2FSPROGS="ldiskfsprogs"
 323         MKE2FS="mkfs.ldiskfs"
 324         DEBUGFS="debugfs.ldiskfs"
 325         TUNE2FS="tunefs.ldiskfs"
 326         E2LABEL="label.ldiskfs"
 327         DUMPE2FS="dumpfs.ldiskfs"
 328         E2FSCK="fsck.ldiskfs"
 329         PFSCK="pfsck.ldiskfs"
 330 ], [
 331         AC_MSG_RESULT([disabled])
 332         E2FSPROGS="e2fsprogs"
 333         MKE2FS="mke2fs"
 334         DEBUGFS="debugfs"
 335         TUNE2FS="tune2fs"
 336         E2LABEL="e2label"
 337         DUMPE2FS="dumpe2fs"
 338         E2FSCK="e2fsck"
 339         PFSCK="fsck"
 340 ])
 341
 342 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
 343 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
 344 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
 345 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
 346 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
 347 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
 348 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
 349 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
 350
 351 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
 352 AC_SUBST([MKE2FS], [$MKE2FS])
 353 AC_SUBST([DEBUGFS], [$DEBUGFS])
 354 AC_SUBST([TUNE2FS], [$TUNE2FS])
 355 AC_SUBST([E2LABEL], [$E2LABEL])
 356 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
 357 AC_SUBST([E2FSCK], [$E2FSCK])
 358 AC_SUBST([PFSCK], [$PFSCK])
 359 ]) # LB_DEFINE_E2FSPROGS_NAMES