])
#
-# LC_CONFIG_BACKINGFS
+# Allow the user to set the MDS thread upper limit
#
-# setup, check the backing filesystem
-#
-AC_DEFUN([LC_CONFIG_BACKINGFS],
+AC_DEFUN([LC_MDS_MAX_THREADS],
[
-BACKINGFS="ldiskfs"
-
-if test x$with_ldiskfs = xno ; then
- if test x$linux25$enable_server = xyesyes ; then
- AC_MSG_ERROR([ldiskfs is required for 2.6-based servers.])
- fi
-else
- # ldiskfs is enabled
- LB_DEFINE_LDISKFS_OPTIONS
-fi #ldiskfs
-
-AC_MSG_CHECKING([which backing filesystem to use])
-AC_MSG_RESULT([$BACKINGFS])
-AC_SUBST(BACKINGFS)
+ AC_ARG_WITH([mds_max_threads],
+ AC_HELP_STRING([--with-mds-max-threads=size],
+ [define the maximum number of threads available on the MDS: (default=512)]),
+ [
+ MDS_THREAD_COUNT=$with_mds_max_threads
+ AC_DEFINE_UNQUOTED(MDT_MAX_THREADS, $MDS_THREAD_COUNT, [maximum number of mdt threads])
+ ])
])
#
])
#
-# LC_HEADER_LDISKFS_XATTR
-#
-# CHAOS kernel-devel package will not include fs/ldiskfs/xattr.h
-#
-AC_DEFUN([LC_HEADER_LDISKFS_XATTR],
-[AC_MSG_CHECKING([if ldiskfs has xattr.h header])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-I$LINUX/fs -I$LDISKFS_DIR -I$LDISKFS_DIR/ldiskfs"
-LB_LINUX_TRY_COMPILE([
- #include <ldiskfs/xattr.h>
-],[
- ldiskfs_xattr_get(NULL, 0, "", NULL, 0);
- ldiskfs_xattr_set_handle(NULL, NULL, 0, "", NULL, 0, 0);
-
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_LDISKFS_XATTR_H, 1, [ldiskfs/xattr.h found])
-],[
- AC_MSG_RESULT([no])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
-#
# LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
#
# Check for our patched grab_cache_page_nowait_gfp() function
],[])
])
-#
-# LC_EXT4_DISCARD_PREALLOCATIONS
-#
-AC_DEFUN([LC_EXT4_DISCARD_PREALLOCATIONS],
-[AC_MSG_CHECKING([if ext4_discard_preallocatoins defined])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-I$LINUX/fs"
-LB_LINUX_TRY_COMPILE([
- #include <ext4/ext4.h>
-],[
- struct inode i;
- ext4_discard_preallocations(&i);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(LDISKFS_DISCARD_PREALLOCATIONS, 1,
- [ext4_discard_preacllocations defined])
-],[
- AC_MSG_RESULT(no)
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
-#
-# LC_EXT_INSERT_EXTENT_WITH_5ARGS
-#
-AC_DEFUN([LC_EXT_INSERT_EXTENT_WITH_5ARGS],
-[AC_MSG_CHECKING([ext4_ext_insert_extent needs 5 arguments])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-I$LINUX/fs"
-LB_LINUX_TRY_COMPILE([
- #include <ext4/ext4_extents.h>
-],[
- ext4_ext_insert_extent(NULL, NULL, NULL, NULL, 0);
-],[
- AC_DEFINE([EXT_INSERT_EXTENT_WITH_5ARGS], 1,
- [ext4_ext_insert_exent needs 5 arguments])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
#2.6.18 + RHEL5 (fc6)
# RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
])
])
-# 2.6.23 has new shrinker API
-AC_DEFUN([LC_REGISTER_SHRINKER],
-[LB_CHECK_SYMBOL_EXPORT([register_shrinker],
-[mm/vmscan.c],[
- AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
- [kernel exports register_shrinker])
-# 2.6.32 added another argument to struct shrinker->shrink
- AC_MSG_CHECKING([if passing shrinker as first argument])
- tmp_flags="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="-Werror"
- LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
- int test_shrink(struct shrinker *, int, gfp_t);
- ],[
- struct shrinker *shr = NULL;
- shr->shrink = test_shrink;
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(SHRINKER_FIRST_ARG, [struct shrinker *shrinker,],
- [kernel is passing shrinker as first argument])
- ],[
- AC_DEFINE(SHRINKER_FIRST_ARG, ,
- [kernel is not passing shrinker as first argument])
- ])
- EXTRA_KCFLAGS="$tmp_flags"
-],[
- AC_DEFINE(SHRINKER_FIRST_ARG, ,
- [kernel does not exports register_shrinker,
- so SHRINKER_FIRST_ARG is empty])
-])
-])
-
# 2.6.23 add code to wait other users to complete before removing procfs entry
AC_DEFUN([LC_PROCFS_USERS],
[AC_MSG_CHECKING([if kernel has pde_users member in procfs entry struct])
#
# 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
# 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
-AC_DEFUN([LC_HAVE_QUOTAIO_V1_H],
-[LB_CHECK_FILE([$LINUX/include/linux/quotaio_v1.h],[
- AC_DEFINE(HAVE_QUOTAIO_V1_H, 1,
- [kernel has include/linux/quotaio_v1.h])
-],[LB_CHECK_FILE([$LINUX/fs/quotaio_v1.h],[
- AC_DEFINE(HAVE_FS_QUOTAIO_V1_H, 1,
+AC_DEFUN([LC_HAVE_QUOTAIO_H],
+[LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
+ AC_DEFINE(HAVE_QUOTAIO_H, 1,
+ [kernel has include/linux/quotaio_v2.h])
+],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
+ AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
[kernel has fs/quotaio_v1.h])
-],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v1.h],[
- AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_V1_H, 1,
- [kernel has fs/quota/quotaio_v1.h])
+],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
+ AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
+ [kernel has fs/quota/quotaio_v2.h])
],[
AC_MSG_RESULT([no])
])
])
])
+# 2.6.27 exported add_to_page_cache_lru.
+AC_DEFUN([LC_EXPORT_ADD_TO_PAGE_CACHE_LRU],
+[LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
+[mm/filemap.c],[
+ AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
+ [add_to_page_cache_lru functions are present])
+],[
+])
+])
+
# 2.6.31
# 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
])
#
-# LC_EXT4_SINGLEDATA_TRANS_BLOCKS_SB
-#
-AC_DEFUN([LC_EXT4_SINGLEDATA_TRANS_BLOCKS_SB],
-[AC_MSG_CHECKING([if EXT4_SINGLEDATA_TRANS_BLOCKS takes the sb as argument])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-I$LINUX/fs"
-LB_LINUX_TRY_COMPILE([
- #include <ext4/ext4.h>
- #include <ext4/ext4_jbd2.h>
-],[
- struct super_block sb;
- EXT4_SINGLEDATA_TRANS_BLOCKS(&sb);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(LDISKFS_SINGLEDATA_TRANS_BLOCKS_HAS_SB, 1,
- [EXT4_SINGLEDATA_TRANS_BLOCKS takes sb as argument])
-],[
- AC_MSG_RESULT(no)
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
-#
-# LC_WALK_SPACE_HAS_DATA_SEM
-#
-# 2.6.32 ext4_ext_walk_space() takes i_data_sem internally.
-#
-AC_DEFUN([LC_WALK_SPACE_HAS_DATA_SEM],
-[AC_MSG_CHECKING([if ext4_ext_walk_space() takes i_data_sem])
-WALK_SPACE_DATA_SEM="$(awk 'BEGIN { in_walk_space = 0 } \
- /^int ext4_ext_walk_space\(/ { in_walk_space = 1 } \
- /^}/ { if (in_walk_space) in_walk_space = 0 } \
- /i_data_sem/ { if (in_walk_space) { print("yes"); exit } }' \
- $LINUX/fs/ext4/extents.c)"
-if test x"$WALK_SPACE_DATA_SEM" == xyes ; then
- AC_DEFINE(WALK_SPACE_HAS_DATA_SEM, 1,
- [ext4_ext_walk_space takes i_data_sem])
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
-fi
-])
-
-#
# LC_QUOTA64
#
# Check if kernel has been patched for 64-bit quota limits support.
LB_LINUX_TRY_COMPILE([
#include <linux/kernel.h>
#include <linux/fs.h>
- #ifdef HAVE_QUOTAIO_V1_H
+ #ifdef HAVE_QUOTAIO_H
# include <linux/quotaio_v2.h>
int versions[] = V2_INITQVERSIONS_R1;
struct v2_disk_dqblk_r1 dqblk_r1;
- #elif defined(HAVE_FS_QUOTA_QUOTAIO_V1_H)
+ #elif defined(HAVE_FS_QUOTA_QUOTAIO_H)
# include <quota/quotaio_v2.h>
struct v2r1_disk_dqblk dqblk_r1;
- #elif defined(HAVE_FS_QUOTAIO_V1_H)
+ #elif defined(HAVE_FS_QUOTAIO_H)
# include <quotaio_v2.h>
struct v2r1_disk_dqblk dqblk_r1;
#else
#
AC_DEFUN([LC_PROG_LINUX],
[LC_LUSTRE_VERSION_H
- if test x$enable_server = xyes ; then
- AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
- LC_FUNC_DEV_SET_RDONLY
- LC_STACK_SIZE
- LC_CONFIG_BACKINGFS
- fi
LC_CONFIG_PINGER
LC_CONFIG_CHECKSUM
LC_CONFIG_LIBLUSTRE_RECOVERY
LC_EXPORT___D_REHASH
LC_EXPORT_NODE_TO_CPUMASK
- LC_HEADER_LDISKFS_XATTR
LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
LC_STRUCT_STATFS
LC_FILEMAP_POPULATE
if test x$enable_server = xyes ; then
LC_EXPORT_INVALIDATE_MAPPING_PAGES
fi
- LC_EXT4_DISCARD_PREALLOCATIONS
- LC_EXT_INSERT_EXTENT_WITH_5ARGS
#2.6.18 + RHEL5 (fc6)
LC_PG_FS_MISC
LC_KERNEL_SENDFILE
LC_HAVE_EXPORTFS_H
LC_VM_OP_FAULT
- LC_REGISTER_SHRINKER
LC_PROCFS_USERS
LC_EXPORTFS_DECODE_FH
# 2.6.27.15-2 sles11
LC_BI_HW_SEGMENTS
- LC_HAVE_QUOTAIO_V1_H
+ LC_HAVE_QUOTAIO_H
LC_VFS_SYMLINK_5ARGS
LC_SB_ANY_QUOTA_ACTIVE
LC_SB_HAS_QUOTA_ACTIVE
+ LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
# 2.6.31
LC_BLK_QUEUE_LOG_BLK_SIZE
LC_SB_BDI
LC_BLK_QUEUE_MAX_SECTORS
LC_BLK_QUEUE_MAX_SEGMENTS
- LC_EXT4_SINGLEDATA_TRANS_BLOCKS_SB
- LC_WALK_SPACE_HAS_DATA_SEM
#
if test x$enable_server = xyes ; then
- if test x$enable_quota_module = xyes ; then
- LC_QUOTA64 # must after LC_HAVE_QUOTAIO_V1_H
- fi
+ AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
+ LC_FUNC_DEV_SET_RDONLY
+ LC_STACK_SIZE
+ LC_QUOTA64
fi
])
])
])
+# 2.6.29 split file and anonymous page queues
+AC_DEFUN([LC_PAGEVEC_LRU_ADD_FILE],
+[AC_MSG_CHECKING([if kernel has .pagevec_lru_add_file])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+ #include <linux/pagevec.h>
+],[
+ struct pagevec lru_pagevec;
+
+ pagevec_init(&lru_pagevec, 0);
+ pagevec_lru_add_file(&lru_pagevec);
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PAGEVEC_LRU_ADD_FILE, 1,
+ [kernel has .pagevec_lru_add_file])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
#
# --enable-mpitest
#
CFLAGS="$CFLAGS -Werror"
fi
+# maximum MDS thread count
+LC_MDS_MAX_THREADS
+
# include/liblustre.h
AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
LC_D_OBTAIN_ALIAS
LC_BLKDEV_PUT_2ARGS
LC_DENTRY_OPEN_4ARGS
+ LC_PAGEVEC_LRU_ADD_FILE
])
git://git.whamcloud.com / fs / lustre-release.git / blobdiff