])
#
-# 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, $MDS_THREAD_COUNT, [maximum number of mdt threads])
+ ])
])
#
fi
])
+# truncate_complete_page() was exported from RHEL5/SLES10/SLES11
+# remove_from_page_cache() was exported between 2.6.35 and 2.6.38
+# delete_from_page_cache() is exported from 2.6.39
AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
-[LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
-[mm/truncate.c],[
-AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
- [kernel export truncate_complete_page])
-],[
-])
-])
+ [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
+ [mm/truncate.c],
+ [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
+ [kernel export truncate_complete_page])])
+ LB_CHECK_SYMBOL_EXPORT([remove_from_page_cache],
+ [mm/filemap.c],
+ [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
+ [kernel export remove_from_page_cache])])
+ LB_CHECK_SYMBOL_EXPORT([delete_from_page_cache],
+ [mm/filemap.c],
+ [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
+ [kernel export delete_from_page_cache])])
+ ])
AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE],
[LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range],
])
#
-# LC_HEADER_LDISKFS_XATTR
-#
-# CHAOS kernel-devel package will not include fs/ldiskfs/xattr.h
-#
-AC_DEFUN([LC_HEADER_LDISKFS_XATTR],
-[AC_MSG_CHECKING([if ldiskfs has xattr.h header])
-tmp_flags="$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
AC_DEFUN([LC_CONST_ACL_SIZE],
[AC_MSG_CHECKING([calc acl size])
tmp_flags="$CFLAGS"
-CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include $EXTRA_KCFLAGS"
+CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include -include $AUTOCONF_HDIR/autoconf.h $EXTRA_KCFLAGS"
AC_TRY_RUN([
#define __KERNEL__
- #include <linux/autoconf.h>
#include <linux/types.h>
#undef __KERNEL__
// block include
],[])
])
-#
-# LC_EXT4_DISCARD_PREALLOCATIONS
-#
-AC_DEFUN([LC_EXT4_DISCARD_PREALLOCATIONS],
-[AC_MSG_CHECKING([if ext4_discard_preallocatoins defined])
-tmp_flags="$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="$tmp_flags"
-])
-
#2.6.18 + RHEL5 (fc6)
# RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
AC_DEFUN([LC_PAGE_CHECKED],
[AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
LB_LINUX_TRY_COMPILE([
- #include <linux/autoconf.h>
#ifdef HAVE_LINUX_MMTYPES_H
#include <linux/mm_types.h>
#endif
])
])
+# 2.6.27 exported add_to_page_cache_lru.
+AC_DEFUN([LC_EXPORT_ADD_TO_PAGE_CACHE_LRU],
+[LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
+[mm/filemap.c],[
+ AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
+ [add_to_page_cache_lru functions are present])
+],[
+])
+])
+
# 2.6.31
+# 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node
+AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE],
+ [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map],
+ [arch/$LINUX_ARCH/mm/numa.c],
+ [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1,
+ [node_to_cpumask_map is exported by
+ the kernel])]) # x86_64
+ ])
+
# 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE],
[AC_MSG_CHECKING([if blk_queue_logical_block_size is defined])
])
#
-# 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.
EXTRA_KCFLAGS=$tmp_flags
])
+# 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes
+AC_DEFUN([LC_SET_CPUS_ALLOWED],
+ [AC_MSG_CHECKING([if kernel defines set_cpus_allowed])
+ LB_LINUX_TRY_COMPILE(
+ [#include <linux/sched.h>],
+ [struct task_struct *p = NULL;
+ cpumask_t mask = { { 0 } };
+ (void) set_cpus_allowed(p, mask);],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1,
+ [set_cpus_allowed is exported by the kernel])],
+ [AC_MSG_RESULT([no])] )])
+
#
# LC_D_OBTAIN_ALIAS
# starting from 2.6.28 kernel replaces d_alloc_anon() with
])
])
+#
+# 2.6.38 export blkdev_get_by_dev
+#
+AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
+[LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
+[fs/block_dev.c],[
+AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
+ [blkdev_get_by_dev is exported by the kernel])
+],[
+])
+])
+
+#
+# 2.6.39 remove unplug_fn from request_queue.
+#
+AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
+[AC_MSG_CHECKING([if request_queue has unplug_fn field])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/blkdev.h>
+],[
+ struct request_queue rq;
+ memset(rq.unplug_fn, 0, sizeof(rq.unplug_fn));
+],[
+ AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
+ [request_queue has unplug_fn field]),
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
#
# LC_PROG_LINUX
LC_EXPORT___D_REHASH
LC_EXPORT_NODE_TO_CPUMASK
- LC_HEADER_LDISKFS_XATTR
LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
LC_STRUCT_STATFS
LC_FILEMAP_POPULATE
if test x$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_VFS_SYMLINK_5ARGS
LC_SB_ANY_QUOTA_ACTIVE
LC_SB_HAS_QUOTA_ACTIVE
+ LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
+
+ # 2.6.30
+ LC_EXPORT_CPUMASK_OF_NODE
# 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
+ LC_SET_CPUS_ALLOWED
+
+ # 2.6.38
+ LC_BLKDEV_GET_BY_DEV
+
+ # 2.6.39
+ LC_REQUEST_QUEUE_UNPLUG_FN
#
if test x$enable_server = xyes ; then
AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
LC_FUNC_DEV_SET_RDONLY
LC_STACK_SIZE
- LC_CONFIG_BACKINGFS
LC_QUOTA64
fi
])
])
])
+# 2.6.29 split file and anonymous page queues
+AC_DEFUN([LC_PAGEVEC_LRU_ADD_FILE],
+[AC_MSG_CHECKING([if kernel has .pagevec_lru_add_file])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+ #include <linux/pagevec.h>
+],[
+ struct pagevec lru_pagevec;
+
+ pagevec_init(&lru_pagevec, 0);
+ pagevec_lru_add_file(&lru_pagevec);
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PAGEVEC_LRU_ADD_FILE, 1,
+ [kernel has .pagevec_lru_add_file])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
#
# --enable-mpitest
#
CFLAGS="$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