# # LC_CONFIG_SRCDIR # # Wrapper for AC_CONFIG_SUBDIR # AC_DEFUN([LC_CONFIG_SRCDIR], [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c]) libcfs_is_module=yes ldiskfs_is_ext4=yes ]) # # LC_PATH_DEFAULTS # # lustre specific paths # AC_DEFUN([LC_PATH_DEFAULTS], [# ptlrpc kernel build requires this LUSTRE="$PWD/lustre" AC_SUBST(LUSTRE) # mount.lustre rootsbindir='/sbin' AC_SUBST(rootsbindir) demodir='$(docdir)/demo' AC_SUBST(demodir) pkgexampledir='${pkgdatadir}/examples' AC_SUBST(pkgexampledir) ]) # # LC_TARGET_SUPPORTED # # is the target os supported? # AC_DEFUN([LC_TARGET_SUPPORTED], [case $target_os in linux* | darwin*) $1 ;; *) $2 ;; esac ]) # # LC_CONFIG_OBD_BUFFER_SIZE # # the maximum buffer size of lctl ioctls # AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE], [AC_MSG_CHECKING([maximum OBD ioctl size]) AC_ARG_WITH([obd-buffer-size], AC_HELP_STRING([--with-obd-buffer-size=[size]], [set lctl ioctl maximum bytes (default=8192)]), [ OBD_BUFFER_SIZE=$with_obd_buffer_size ],[ OBD_BUFFER_SIZE=8192 ]) AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes]) AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size]) ]) # # LC_READLINK_SSIZE_T # AC_DEFUN([LC_READLINK_SSIZE_T], [AC_MSG_CHECKING([if readlink returns ssize_t]) AC_TRY_COMPILE([ #include ],[ ssize_t readlink(const char *, char *, size_t); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_FUNC_DEV_SET_RDONLY # # check whether dev_set_rdonly is exported. This is needed until we # have another mechanism to fence IO from the underlying device. # AC_DEFUN([LC_FUNC_DEV_SET_RDONLY], [LB_CHECK_SYMBOL_EXPORT([dev_set_rdonly], [block/ll_rw_block.c,block/blk-core.c],[ AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel exports dev_set_rdonly]) ],[ AC_MSG_WARN([kernel missing dev_set_rdonly patch for testing]) ]) ]) # # Ensure stack size big than 8k in Lustre server (all kernels) # AC_DEFUN([LC_STACK_SIZE], [AC_MSG_CHECKING([stack size big than 8k]) LB_LINUX_TRY_COMPILE([ #include ],[ #if THREAD_SIZE < 8192 #error "stack size < 8192" #endif ],[ AC_MSG_RESULT(yes) ],[ AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.]) ]) ]) # # Allow the user to set the MDS thread upper limit # AC_DEFUN([LC_MDS_MAX_THREADS], [ AC_ARG_WITH([mds_max_threads], AC_HELP_STRING([--with-mds-max-threads=size], [define the maximum number of threads available on the MDS: (default=512)]), [ MDS_THREAD_COUNT=$with_mds_max_threads AC_DEFINE_UNQUOTED(MDT_MAX_THREADS, $MDS_THREAD_COUNT, [maximum number of mdt threads]) ]) ]) # # LC_CONFIG_PINGER # # the pinger is temporary, until we have the recovery node in place # AC_DEFUN([LC_CONFIG_PINGER], [AC_MSG_CHECKING([whether to enable pinger support]) AC_ARG_ENABLE([pinger], AC_HELP_STRING([--disable-pinger], [disable recovery pinger support]), [],[enable_pinger='yes']) AC_MSG_RESULT([$enable_pinger]) if test x$enable_pinger != xno ; then AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger) fi ]) # # LC_CONFIG_CHECKSUM # # do checksum of bulk data between client and OST # AC_DEFUN([LC_CONFIG_CHECKSUM], [AC_MSG_CHECKING([whether to enable data checksum support]) AC_ARG_ENABLE([checksum], AC_HELP_STRING([--disable-checksum], [disable data checksum support]), [],[enable_checksum='yes']) AC_MSG_RESULT([$enable_checksum]) if test x$enable_checksum != xno ; then AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums) fi ]) # # LC_CONFIG_LIBLUSTRE_RECOVERY # AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY], [AC_MSG_CHECKING([whether to enable liblustre recovery support]) AC_ARG_ENABLE([liblustre-recovery], AC_HELP_STRING([--disable-liblustre-recovery], [disable liblustre recovery support]), [],[enable_liblustre_recovery='yes']) AC_MSG_RESULT([$enable_liblustre_recovery]) if test x$enable_liblustre_recovery != xno ; then AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover) fi ]) # # LC_CONFIG_HEALTH_CHECK_WRITE # # Turn off the actual write to the disk # AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE], [AC_MSG_CHECKING([whether to enable a write with the health check]) AC_ARG_ENABLE([health_write], AC_HELP_STRING([--enable-health_write], [enable disk writes when doing health check]), [],[enable_health_write='no']) AC_MSG_RESULT([$enable_health_write]) if test x$enable_health_write != xno ; then AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, Write when Checking Health) fi ]) AC_DEFUN([LC_CONFIG_LRU_RESIZE], [AC_MSG_CHECKING([whether to enable lru self-adjusting]) AC_ARG_ENABLE([lru_resize], AC_HELP_STRING([--enable-lru-resize], [enable lru resize support]), [],[enable_lru_resize='yes']) AC_MSG_RESULT([$enable_lru_resize]) if test x$enable_lru_resize != xno; then AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support]) fi ]) # # Quota support. The kernel must support CONFIG_QUOTA. # AC_DEFUN([LC_QUOTA_CONFIG], [LB_LINUX_CONFIG_IM([QUOTA],[],[ AC_MSG_ERROR([Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.]) ]) ]) # truncate_complete_page() was exported from RHEL5/SLES10, but not in SLES11 SP0 (2.6.27) # remove_from_page_cache() was exported between 2.6.35 and 2.6.38 # delete_from_page_cache() is exported from 2.6.39 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE], [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page], [mm/truncate.c], [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1, [kernel export truncate_complete_page])]) LB_CHECK_SYMBOL_EXPORT([remove_from_page_cache], [mm/filemap.c], [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1, [kernel export remove_from_page_cache])]) LB_CHECK_SYMBOL_EXPORT([delete_from_page_cache], [mm/filemap.c], [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1, [kernel export delete_from_page_cache])]) ]) AC_DEFUN([LC_EXPORT_D_REHASH_COND], [LB_CHECK_SYMBOL_EXPORT([d_rehash_cond], [fs/dcache.c],[ AC_DEFINE(HAVE_D_REHASH_COND, 1, [d_rehash_cond is exported by the kernel]) ],[ ]) ]) AC_DEFUN([LC_EXPORT___D_REHASH], [LB_CHECK_SYMBOL_EXPORT([__d_rehash], [fs/dcache.c],[ AC_DEFINE(HAVE___D_REHASH, 1, [__d_rehash is exported by the kernel]) ],[ ]) ]) # The actual symbol exported varies among architectures, so we need # to check many symbols (but only in the current architecture.) No # matter what symbol is exported, the kernel #defines node_to_cpumask # to the appropriate function and that's what we use. AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK], [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask], [arch/$LINUX_ARCH/mm/numa.c], [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, [node_to_cpumask is exported by the kernel])]) # x86_64 LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask], [arch/$LINUX_ARCH/kernel/smpboot.c], [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, [node_to_cpumask is exported by the kernel])]) # ia64 LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask], [arch/$LINUX_ARCH/kernel/smpboot.c], [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, [node_to_cpumask is exported by the kernel])]) # i386 ]) # # # between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels # AC_DEFUN([LC_FILEMAP_POPULATE], [AC_MSG_CHECKING([for exported filemap_populate]) LB_LINUX_TRY_COMPILE([ #include #include ],[ filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate]) ],[ AC_MSG_RESULT([no]) ]) ]) # # added in 2.6.17 # AC_DEFUN([LC_BIT_SPINLOCK_H], [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[ AC_MSG_CHECKING([if bit_spinlock.h can be compiled]) LB_LINUX_TRY_COMPILE([ #include #include #include ],[],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h]) ],[ AC_MSG_RESULT([no]) ]) ], []) ]) # # LC_CONST_ACL_SIZE # AC_DEFUN([LC_CONST_ACL_SIZE], [AC_MSG_CHECKING([calc acl size]) tmp_flags="$CFLAGS" CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`echo $target_cpu|sed -e 's/powerpc64/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 #undef __KERNEL__ // block include #define __LINUX_POSIX_ACL_H #ifdef CONFIG_FS_POSIX_ACL # include #endif #include int main(void) { /* LUSTRE_POSIX_ACL_MAX_ENTRIES = 32 */ int size = posix_acl_xattr_size(32); FILE *f = fopen("acl.size","w+"); fprintf(f,"%d", size); fclose(f); return 0; } ],[ acl_size=`cat acl.size` AC_MSG_RESULT([ACL size $acl_size]) AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl]) ],[ AC_ERROR([ACL size can't be computed]) ],[ AC_MSG_RESULT([can't check ACL size, make it 260]) AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE,260) ]) CFLAGS="$tmp_flags" ]) # # LC_CAPA_CRYPTO # AC_DEFUN([LC_CAPA_CRYPTO], [LB_LINUX_CONFIG_IM([CRYPTO],[],[ AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.]) ]) LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[ AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.]) ]) LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[ AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.]) ]) ]) # # LC_CONFIG_RMTCLIENT # dnl FIXME dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586 dnl FIXME AC_DEFUN([LC_CONFIG_RMTCLIENT], [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[ AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.]) ]) ]) # # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled) # AC_DEFUN([LC_CONFIG_GSS_KEYRING], [AC_MSG_CHECKING([whether to enable gss keyring backend]) AC_ARG_ENABLE([gss_keyring], [AC_HELP_STRING([--disable-gss-keyring], [disable gss keyring backend])], [],[enable_gss_keyring='yes']) AC_MSG_RESULT([$enable_gss_keyring]) if test x$enable_gss_keyring != xno; then LB_LINUX_CONFIG_IM([KEYS],[], [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])]) AC_CHECK_LIB([keyutils], [keyctl_search], [], [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],) AC_DEFINE([HAVE_GSS_KEYRING], [1], [Define this if you enable gss keyring backend]) fi ]) AC_DEFUN([LC_CONFIG_SUNRPC], [LB_LINUX_CONFIG_IM([SUNRPC],[], [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])]) ]) # # LC_CONFIG_GSS (default disabled) # # Build gss and related tools of Lustre. Currently both kernel and user space # parts are depend on linux platform. # AC_DEFUN([LC_CONFIG_GSS], [AC_MSG_CHECKING([whether to enable gss/krb5 support]) AC_ARG_ENABLE([gss], [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])], [],[enable_gss='no']) AC_MSG_RESULT([$enable_gss]) if test x$enable_gss == xyes; then LC_CONFIG_GSS_KEYRING LC_CONFIG_SUNRPC AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss]) LB_LINUX_CONFIG_IM([CRYPTO_MD5],[], [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])]) LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[], [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])]) LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[], [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])]) LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[], [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])]) AC_CHECK_LIB([gssapi], [gss_init_sec_context], [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"], [AC_CHECK_LIB([gssglue], [gss_init_sec_context], [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"], [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],) AC_SUBST(GSSAPI_LIBS) AC_KERBEROS_V5 fi ]) AC_DEFUN([LC_TASK_CLENV_STORE], [ AC_MSG_CHECKING([if we can store cl_env in task_struct]) if test x$have_task_clenv_store != xyes ; then LC_TASK_CLENV_TUX_INFO fi ]) # 2.6.12 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock # yet tree_lock is converted from rwlock to spin_lock since v2.6.26 AC_DEFUN([LC_RW_TREE_LOCK], [AC_MSG_CHECKING([if kernel has tree_lock as rwlock]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include ],[ struct address_space a; write_lock(&a.tree_lock); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # 2.6.18 # LC_UMOUNTBEGIN_HAS_VFSMOUNT # 2.6.18~2.6.25 umount_begin has different parameters AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT], [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include struct vfsmount; static void cfg_umount_begin (struct vfsmount *v, int flags) { ; } static struct super_operations cfg_super_operations = { .umount_begin = cfg_umount_begin, }; ],[ cfg_super_operations.umount_begin(NULL,0); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1, [Define umount_begin need second argument]) ],[ AC_MSG_RESULT(no) ]) EXTRA_KCFLAGS="$tmp_flags" ]) #2.6.18 + RHEL5 (fc6) # # LC_LINUX_FIEMAP_H # # fiemap.h is added since v2.6.28 # RHEL5 2.6.18 has it, while SLES10 2.6.27 does not # AC_DEFUN([LC_LINUX_FIEMAP_H], [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[ AC_MSG_CHECKING([if fiemap.h can be compiled]) LB_LINUX_TRY_COMPILE([ #include #include ],[],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h]) ],[ AC_MSG_RESULT([no]) ]) ], []) ]) # 2.6.19 # LC_FILE_WRITEV # 2.6.19 replaced writev with aio_write AC_DEFUN([LC_FILE_WRITEV], [AC_MSG_CHECKING([writev in fops]) LB_LINUX_TRY_COMPILE([ #include ],[ struct file_operations *fops = NULL; fops->writev = NULL; ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_FILE_WRITEV, 1, [use fops->writev]) ],[ AC_MSG_RESULT(no) ]) ]) # LC_FILE_READV # 2.6.19 replaced readv with aio_read AC_DEFUN([LC_FILE_READV], [AC_MSG_CHECKING([readv in fops]) LB_LINUX_TRY_COMPILE([ #include ],[ struct file_operations *fops = NULL; fops->readv = NULL; ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_FILE_READV, 1, [use fops->readv]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.20 # LC_CANCEL_DIRTY_PAGE # 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty. AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [AC_MSG_CHECKING([kernel has cancel_dirty_page]) # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2 # backport is broken, so ignore it if test -f $OFED_BACKPORT_PATH/linux/mm.h && test "$(sed -ne '/^static inline void cancel_dirty_page(struct page \*page, unsigned int account_size)$/,/^}$/p' $OFED_BACKPORT_PATH/linux/mm.h | md5sum)" = "c518cb32d6394760c5bca14cb7538d3e -"; then AC_MSG_RESULT(no) else LB_LINUX_TRY_COMPILE([ #include #include ],[ cancel_dirty_page(NULL, 0); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1, [kernel has cancel_dirty_page instead of clear_page_dirty]) ],[ AC_MSG_RESULT(no) ]) fi ]) # raid5-zerocopy patch # # LC_PAGE_CONSTANT # # In order to support raid5 zerocopy patch, we have to patch the kernel to make # it support constant page, which means the page won't be modified during the # IO. # AC_DEFUN([LC_PAGE_CONSTANT], [AC_MSG_CHECKING([if kernel have PageConstant defined]) LB_LINUX_TRY_COMPILE([ #include #include ],[ #ifndef PG_constant #error "Have no raid5 zcopy patch" #endif ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported]) ],[ AC_MSG_RESULT(no); ]) ]) # 2.6.22 # 2.6.22 lost second parameter for invalidate_bdev AC_DEFUN([LC_INVALIDATE_BDEV_2ARG], [AC_MSG_CHECKING([if invalidate_bdev has second argument]) LB_LINUX_TRY_COMPILE([ #include ],[ invalidate_bdev(NULL,0); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1, [invalidate_bdev has second argument]) ],[ AC_MSG_RESULT([no]) ]) ]) # # check for crypto API # AC_DEFUN([LC_ASYNC_BLOCK_CIPHER], [AC_MSG_CHECKING([if kernel has block cipher support]) LB_LINUX_TRY_COMPILE([ #include #include ],[ struct crypto_blkcipher *tfm; tfm = crypto_alloc_blkcipher("aes", 0, sizeof(tfm) ); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support]) ],[ AC_MSG_RESULT([no]) ]) ]) # # check for struct hash_desc # AC_DEFUN([LC_STRUCT_HASH_DESC], [AC_MSG_CHECKING([if kernel has struct hash_desc]) LB_LINUX_TRY_COMPILE([ #include #include ],[ struct hash_desc foo __attribute__ ((unused)); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc]) ],[ AC_MSG_RESULT([no]) ]) ]) # # check for struct blkcipher_desc # AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC], [AC_MSG_CHECKING([if kernel has struct blkcipher_desc]) LB_LINUX_TRY_COMPILE([ #include #include ],[ struct blkcipher_desc foo __attribute__ ((unused)); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag # AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE], [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag]) LB_LINUX_TRY_COMPILE([ #include ],[ int v __attribute__ ((unused)); v = FS_RENAME_DOES_D_MOVE; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.23 # 2.6.23 have return type 'void' for unregister_blkdev AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT], [AC_MSG_CHECKING([if unregister_blkdev return int]) LB_LINUX_TRY_COMPILE([ #include ],[ int i __attribute__ ((unused)); i = unregister_blkdev(0,NULL); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1, [unregister_blkdev return int]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.23 change .sendfile to .splice_read AC_DEFUN([LC_KERNEL_SPLICE_READ], [AC_MSG_CHECKING([if kernel has .splice_read]) LB_LINUX_TRY_COMPILE([ #include ],[ struct file_operations file; file.splice_read = NULL; ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1, [kernel has .slice_read]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.23 change .sendfile to .splice_read # RHEL4 (-92 kernel) have both sendfile and .splice_read API AC_DEFUN([LC_KERNEL_SENDFILE], [AC_MSG_CHECKING([if kernel has .sendfile]) LB_LINUX_TRY_COMPILE([ #include ],[ struct file_operations file; file.sendfile = NULL; ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_KERNEL_SENDFILE, 1, [kernel has .sendfile]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.23 extract nfs export related data into exportfs.h AC_DEFUN([LC_HAVE_EXPORTFS_H], [LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [ AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1, [kernel has include/exportfs.h]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.23 has new page fault handling API AC_DEFUN([LC_VM_OP_FAULT], [AC_MSG_CHECKING([kernel has .fault in vm_operation_struct]) LB_LINUX_TRY_COMPILE([ #include ],[ struct vm_operations_struct op; op.fault = NULL; ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_VM_OP_FAULT, 1, [kernel has .fault in vm_operation_struct]) ],[ AC_MSG_RESULT([no]) ]) ]) # 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]) LB_LINUX_TRY_COMPILE([ #include ],[ struct proc_dir_entry pde; pde.pde_users = 0; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_PROCFS_USERS, 1, [kernel has pde_users member in procfs entry struct]) ],[ LB_LINUX_TRY_COMPILE([ #include "$LINUX/fs/proc/internal.h" ],[ struct proc_dir_entry_aux pde_aux; pde_aux.pde_users = 0; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_PROCFS_USERS, 1, [kernel has pde_users member in proc_dir_entry_aux]) ],[ AC_MSG_RESULT([no]) ]) ]) ]) # 2.6.23 exports exportfs_decode_fh AC_DEFUN([LC_EXPORTFS_DECODE_FH], [LB_CHECK_SYMBOL_EXPORT([exportfs_decode_fh], [fs/exportfs/expfs.c],[ AC_DEFINE(HAVE_EXPORTFS_DECODE_FH, 1, [exportfs_decode_fh has been export]) ],[ ]) ]) # 2.6.24 # 2.6.24 need linux/mm_types.h included AC_DEFUN([LC_HAVE_MMTYPES_H], [LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [ AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1, [kernel has include/mm_types.h]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.24 has bio_endio with 2 args AC_DEFUN([LC_BIO_ENDIO_2ARG], [AC_MSG_CHECKING([if kernel has bio_endio with 2 args]) LB_LINUX_TRY_COMPILE([ #include ],[ bio_endio(NULL, 0); ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1, [kernel has bio_endio with 2 args]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.24 has new members in exports struct. AC_DEFUN([LC_FH_TO_DENTRY], [AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct]) LB_LINUX_TRY_COMPILE([ #include #ifdef HAVE_LINUX_EXPORTFS_H #include #endif ],[ do{ }while(sizeof(((struct export_operations *)0)->fh_to_dentry)); ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_FH_TO_DENTRY, 1, [kernel has .fh_to_dentry member in export_operations struct]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.24 removes long aged procfs entry -> deleted member AC_DEFUN([LC_PROCFS_DELETED], [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct]) LB_LINUX_TRY_COMPILE([ #include ],[ struct proc_dir_entry pde; pde.deleted = sizeof(pde); ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_PROCFS_DELETED, 1, [kernel has deleted member in procfs entry struct]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.24 has bdi_init()/bdi_destroy() functions. AC_DEFUN([LC_EXPORT_BDI_INIT], [LB_CHECK_SYMBOL_EXPORT([bdi_init], [mm/backing-dev.c],[ AC_DEFINE(HAVE_BDI_INIT, 1, [bdi_init/bdi_destroy functions are present]) ],[ ]) ]) # 2.6.26 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct AC_DEFUN([LC_FS_STRUCT_USE_PATH], [AC_MSG_CHECKING([fs_struct use path structure]) LB_LINUX_TRY_COMPILE([ #include #include #include ],[ struct fs_struct fs; fs.pwd = *((struct path *)sizeof(fs)); ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1, [fs_struct use path structure]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 2.6.27 # # LC_SECURITY_PLUG # for SLES10 SP2 (2.6.27) # check security plug in sles10 sp2 kernel AC_DEFUN([LC_SECURITY_PLUG], [AC_MSG_CHECKING([If kernel has security plug support]) LB_LINUX_TRY_COMPILE([ #include #include ],[ notify_change(NULL, NULL, NULL); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SECURITY_PLUG, 1, [SLES10 SP2 use extra parameter in vfs]) ],[ AC_MSG_RESULT(no) ]) ]) AC_DEFUN([LC_PGMKWRITE_USE_VMFAULT], [AC_MSG_CHECKING([kernel .page_mkwrite uses struct vm_fault *]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include ],[ ((struct vm_operations_struct *)0)->page_mkwrite((struct vm_area_struct *)0, (struct vm_fault *)0); ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_PGMKWRITE_USE_VMFAULT, 1, [kernel vm_operation_struct.page_mkwrite uses struct vm_fault * as second parameter]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) AC_DEFUN([LC_PGMKWRITE_COMPACT], [AC_MSG_CHECKING([if kernel .page_mkwrite is located in vm_operation_struct._pmkw]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include ],[ struct vm_operations_struct *vm_ops; vm_ops = NULL; vm_ops->_pmkw.page_mkwrite(NULL, NULL); ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_PGMKWRITE_COMPACT, 1, [kernel .page_mkwrite is located in vm_operation_struct._pmkw]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) AC_DEFUN([LC_INODE_PERMISION_2ARGS], [AC_MSG_CHECKING([inode_operations->permission has two args]) LB_LINUX_TRY_COMPILE([ #include ],[ struct inode *inode __attribute__ ((unused)); inode = NULL; inode->i_op->permission(NULL, 0); ],[ AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1, [inode_operations->permission has two args]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.27 have new page locking API AC_DEFUN([LC_TRYLOCKPAGE], [AC_MSG_CHECKING([kernel uses trylock_page for page lock]) LB_LINUX_TRY_COMPILE([ #include ],[ trylock_page(NULL); ],[ AC_DEFINE(HAVE_TRYLOCK_PAGE, 1, [kernel uses trylock_page for page lock]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.27 removed the read_inode from super_operations. AC_DEFUN([LC_READ_INODE_IN_SBOPS], [AC_MSG_CHECKING([super_operations has a read_inode field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct super_operations *sop; sop->read_inode(NULL); ],[ AC_DEFINE(HAVE_READ_INODE_IN_SBOPS, 1, [super_operations has a read_inode]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.27 has inode_permission instead of permisson AC_DEFUN([LC_EXPORT_INODE_PERMISSION], [LB_CHECK_SYMBOL_EXPORT([inode_permission], [fs/namei.c],[ AC_DEFINE(HAVE_EXPORT_INODE_PERMISSION, 1, [inode_permission is exported by the kernel]) ],[ ]) ]) # 2.6.27 use 5th parameter in quota_on for remount. AC_DEFUN([LC_QUOTA_ON_5ARGS], [AC_MSG_CHECKING([quota_on needs 5 parameters]) LB_LINUX_TRY_COMPILE([ #include #include ],[ struct quotactl_ops *qop = NULL; qop->quota_on(NULL, 0, 0, NULL, 0); ],[ AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1, [quota_on needs 5 paramters]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.27 use 3th parameter in quota_off for remount. AC_DEFUN([LC_QUOTA_OFF_3ARGS], [AC_MSG_CHECKING([quota_off needs 3 parameters]) LB_LINUX_TRY_COMPILE([ #include #include ],[ struct quotactl_ops *qop = NULL; qop->quota_off(NULL, 0, 0); ],[ AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1, [quota_off needs 3 paramters]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.27 has vfs_dq_off inline function. AC_DEFUN([LC_VFS_DQ_OFF], [AC_MSG_CHECKING([vfs_dq_off is defined]) LB_LINUX_TRY_COMPILE([ #include ],[ vfs_dq_off(NULL, 0); ],[ AC_DEFINE(HAVE_VFS_DQ_OFF, 1, [vfs_dq_off is defined]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA], tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" [AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct fs_disk_quota]) LB_LINUX_TRY_COMPILE([ #include #include ],[ struct quotactl_ops qops = {}; struct fs_disk_quota fdq; qops.set_dqblk(NULL, 0, 0, &fdq); ],[ AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend AC_DEFUN([LC_HAVE_DQUOT_SUSPEND], [AC_MSG_CHECKING([if dquot_suspend is defined]) LB_LINUX_TRY_COMPILE([ #include ],[ dquot_suspend(NULL, -1); ],[ AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # LC_LOCK_MAP_ACQUIRE # after 2.6.27 lock_map_acquire replaces lock_acquire AC_DEFUN([LC_LOCK_MAP_ACQUIRE], [AC_MSG_CHECKING([if lock_map_acquire is defined]) LB_LINUX_TRY_COMPILE([ #include ],[ lock_map_acquire(NULL); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_LOCK_MAP_ACQUIRE, 1, [lock_map_acquire is defined]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.27.15-2 sles11 # 2.6.27 sles11 remove the bi_hw_segments AC_DEFUN([LC_BI_HW_SEGMENTS], [AC_MSG_CHECKING([struct bio has a bi_hw_segments field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct bio io; io.bi_hw_segments = sizeof(io); ],[ AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1, [struct bio has a bi_hw_segments field]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 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_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([$LINUX/fs/quota/quotaio_v2.h],[ AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1, [kernel has fs/quota/quotaio_v2.h]) ],[ AC_MSG_RESULT([no]) ]) ]) ]) ]) # 2.6.27 sles11 has sb_any_quota_active AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE], [AC_MSG_CHECKING([Kernel has sb_any_quota_active]) LB_LINUX_TRY_COMPILE([ #include ],[ sb_any_quota_active(NULL); ],[ AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1, [Kernel has a sb_any_quota_active]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.27 sles11 has sb_has_quota_active AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE], [AC_MSG_CHECKING([Kernel has sb_has_quota_active]) LB_LINUX_TRY_COMPILE([ #include ],[ sb_has_quota_active(NULL, 0); ],[ AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1, [Kernel has a sb_has_quota_active]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.27 exported add_to_page_cache_lru. AC_DEFUN([LC_EXPORT_ADD_TO_PAGE_CACHE_LRU], [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru], [mm/filemap.c],[ AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1, [add_to_page_cache_lru functions are present]) ],[ ]) ]) # # 2.6.29 introduce sb_any_quota_loaded. # AC_DEFUN([LC_SB_ANY_QUOTA_LOADED], [AC_MSG_CHECKING([Kernel has sb_any_quota_loaded]) LB_LINUX_TRY_COMPILE([ #include ],[ sb_any_quota_loaded(NULL); ],[ AC_DEFINE(HAVE_SB_ANY_QUOTA_LOADED, 1, [Kernel has a sb_any_quota_loaded]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE], [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map], [arch/$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]) LB_LINUX_TRY_COMPILE([ #include ],[ blk_queue_logical_block_size(NULL, 0); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_BLK_QUEUE_LOG_BLK_SIZE, 1, [blk_queue_logical_block_size is defined]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.32 # 2.6.32 introduced inode_newsize_ok AC_DEFUN([LC_VFS_INODE_NEWSIZE_OK], [AC_MSG_CHECKING([if inode_newsize_ok is defined]) LB_LINUX_TRY_COMPILE([ #include ],[ return inode_newsize_ok(NULL, 0); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_VFS_INODE_NEWSIZE_OK, 1, [inode_newsize_ok is defined]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.32 changes cache_detail's member cache_request to cache_upcall # in kernel commit bc74b4f5e63a09fb78e245794a0de1e5a2716bbe AC_DEFUN([LC_CACHE_UPCALL], [AC_MSG_CHECKING([if cache_detail has cache_upcall field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct cache_detail cd; cd.cache_upcall = NULL; ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_CACHE_UPCALL, 1, [cache_detail has cache_upcall field]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.32 add a limits member in struct request_queue. AC_DEFUN([LC_REQUEST_QUEUE_LIMITS], [AC_MSG_CHECKING([if request_queue has a limits field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct request_queue rq; rq.limits.io_min = 0; ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_REQUEST_QUEUE_LIMITS, 1, [request_queue has a limits field]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.32 has bdi_register() functions. AC_DEFUN([LC_EXPORT_BDI_REGISTER], [LB_CHECK_SYMBOL_EXPORT([bdi_register], [mm/backing-dev.c],[ AC_DEFINE(HAVE_BDI_REGISTER, 1, [bdi_register function is present]) ],[ ]) ]) # 2.6.32 add s_bdi for super block AC_DEFUN([LC_SB_BDI], [AC_MSG_CHECKING([if super_block has s_bdi field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct super_block sb; sb.s_bdi = NULL; ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SB_BDI, 1, [super_block has s_bdi field]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.27.15-2 SuSE 11 sp0 kernels lack the name field for BDI AC_DEFUN([LC_BDI_NAME], [AC_MSG_CHECKING([if backing_device_info has name field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct backing_dev_info bdi; bdi.name = NULL; ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_BDI_NAME, 1, [backing_device_info has name field]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.32 removes blk_queue_max_sectors and add blk_queue_max_hw_sectors # check blk_queue_max_sectors and use it until disappear. AC_DEFUN([LC_BLK_QUEUE_MAX_SECTORS], [AC_MSG_CHECKING([if blk_queue_max_sectors is defined]) LB_LINUX_TRY_COMPILE([ #include ],[ blk_queue_max_sectors(NULL, 0); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_BLK_QUEUE_MAX_SECTORS, 1, [blk_queue_max_sectors is defined]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS], [AC_MSG_CHECKING([if blk_queue_max_segments is defined]) LB_LINUX_TRY_COMPILE([ #include ],[ blk_queue_max_segments(NULL, 0); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1, [blk_queue_max_segments is defined]) ],[ AC_MSG_RESULT(no) ]) ]) # # LC_QUOTA64 # # Check if kernel has been patched for 64-bit quota limits support. # The upstream version of this patch in RHEL6 2.6.32 kernels introduces # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for # that in the absence of quotaio_v1.h in the kernel headers. # AC_DEFUN([LC_QUOTA64],[ AC_MSG_CHECKING([if kernel has 64-bit quota limits support]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-I$LINUX/fs" LB_LINUX_TRY_COMPILE([ #include #include #ifdef HAVE_QUOTAIO_H # include int versions[] = V2_INITQVERSIONS_R1; struct v2_disk_dqblk_r1 dqblk_r1; #elif defined(HAVE_FS_QUOTA_QUOTAIO_H) # include struct v2r1_disk_dqblk dqblk_r1; #elif defined(HAVE_FS_QUOTAIO_H) # include struct v2r1_disk_dqblk dqblk_r1; #else #include int ver = QFMT_VFS_V1; #endif ],[],[ AC_DEFINE(HAVE_QUOTA64, 1, [have quota64]) AC_MSG_RESULT([yes]) ],[ LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[ AC_MSG_ERROR([You have got no 64-bit kernel quota support.]) ],[]) AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS=$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 ], [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])] )]) # 2.6.32 introduces selinux_is_enabled() AC_DEFUN([LC_SELINUX_IS_ENABLED], [AC_MSG_CHECKING([if selinux_is_enabled is available]) LB_LINUX_TRY_COMPILE([ #include ],[ selinux_is_enabled(); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_SELINUX_IS_ENABLED, 1, [selinux_is_enabled is defined]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_D_OBTAIN_ALIAS # starting from 2.6.28 kernel replaces d_alloc_anon() with # d_obtain_alias() for getting anonymous dentries # RHEL5(2.6.18) has d_obtain_alias but SLES11SP0(2.6.27) not # AC_DEFUN([LC_D_OBTAIN_ALIAS], [AC_MSG_CHECKING([d_obtain_alias exist in kernel]) LB_LINUX_TRY_COMPILE([ #include ],[ d_obtain_alias(NULL); ],[ AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1, [d_obtain_alias exist in kernel]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE # AC_DEFUN([LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE], [LB_CHECK_SYMBOL_EXPORT( [generic_error_remove_page], [mm/truncate.c], [AC_DEFINE(HAS_GENERIC_ERROR_REMOVE_PAGE, 1, [kernel export generic_error_remove_page])], []) ] ) # 2.6.32 if kernel export access_process_vm(). AC_DEFUN([LC_EXPORT_ACCESS_PROCESS_VM], [LB_CHECK_SYMBOL_EXPORT([access_process_vm], [mm/memory.c], [AC_DEFINE(HAVE_ACCESS_PROCESS_VM, 1, [access_process_vm function is present])], []) ] ) # # 2.6.36 fs_struct.lock use spinlock instead of rwlock. # AC_DEFUN([LC_FS_STRUCT_RWLOCK], [AC_MSG_CHECKING([if fs_struct.lock use rwlock]) LB_LINUX_TRY_COMPILE([ #include #include #include ],[ ((struct fs_struct *)0)->lock = (rwlock_t){ 0 }; ],[ AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1, [fs_struct.lock use rwlock]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 2.6.36 super_operations add evict_inode method. it hybird of # delete_inode & clear_inode. # AC_DEFUN([LC_SBOPS_EVICT_INODE], [AC_MSG_CHECKING([if super_operations.evict_inode exist]) LB_LINUX_TRY_COMPILE([ #include ],[ ((struct super_operations *)0)->evict_inode(NULL); ],[ AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1, [super_operations.evict_inode() is exist in kernel]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 2.6.35 file_operations.fsync taken 2 arguments. # 3.0.0 file_operations.fsync takes 4 arguments. # AC_DEFUN([LC_FILE_FSYNC], [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments]) LB_LINUX_TRY_COMPILE([ #include ],[ ((struct file_operations *)0)->fsync(NULL, 0, 0, 0); ],[ AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1, [file_operations.fsync takes 4 arguments]) AC_MSG_RESULT([yes, 4 args]) ],[ LB_LINUX_TRY_COMPILE([ #include ],[ ((struct file_operations *)0)->fsync(NULL, 0); ],[ AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1, [file_operations.fsync takes 2 arguments]) AC_MSG_RESULT([yes, 2 args]) ],[ AC_MSG_RESULT([no]) ]) ]) ]) # # 2.6.37 remove kernel_locked # AC_DEFUN([LC_KERNEL_LOCKED], [AC_MSG_CHECKING([if kernel_locked is defined]) LB_LINUX_TRY_COMPILE([ #include ],[ kernel_locked(); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_KERNEL_LOCKED, 1, [kernel_locked is defined]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 2.6.38 dentry_operations.d_compare() taken 7 arguments. # AC_DEFUN([LC_D_COMPARE_7ARGS], [AC_MSG_CHECKING([if d_compare taken 7 arguments]) LB_LINUX_TRY_COMPILE([ #include ],[ ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL); ],[ AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1, [d_compare need 7 arguments]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter. # AC_DEFUN([LC_D_DELETE_CONST], [AC_MSG_CHECKING([if d_delete has const declare on first parameter]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include ],[ const struct dentry *d = NULL; ((struct dentry_operations*)0)->d_delete(d); ],[ AC_DEFINE(HAVE_D_DELETE_CONST, const, [d_delete first parameter declared const]) AC_MSG_RESULT([yes]) ],[ AC_DEFINE(HAVE_D_DELETE_CONST, , []) AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # # 2.6.38 dcache_lock removed. rcu-walk commited. # AC_DEFUN([LC_DCACHE_LOCK], [AC_MSG_CHECKING([if dcache_lock is exist]) LB_LINUX_TRY_COMPILE([ #include ],[ spin_lock(&dcache_lock); ],[ AC_DEFINE(HAVE_DCACHE_LOCK, 1, [dcache_lock is exist]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 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]) ],[ ]) ]) # # 2.6.38 use path as 4th parameter in quota_on. # AC_DEFUN([LC_QUOTA_ON_USE_PATH], [AC_MSG_CHECKING([quota_on use path as parameter]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include #include ],[ ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0)); ],[ AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1, [quota_on use path as 4th paramter]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # # 2.6.38 export simple_setattr # AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR], [LB_CHECK_SYMBOL_EXPORT([simple_setattr], [fs/libfs.c],[ AC_DEFINE(HAVE_SIMPLE_SETATTR, 1, [simple_setattr 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 ],[ do{ }while(sizeof(((struct request_queue *)0)->unplug_fn)); ],[ AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1, [request_queue has unplug_fn field]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 2.6.39 replace get_sb with mount in struct file_system_type # AC_DEFUN([LC_HAVE_FSTYPE_MOUNT], [AC_MSG_CHECKING([if file_system_type has mount field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct file_system_type fst; void *i = (void *) fst.mount; ],[ AC_DEFINE(HAVE_FSTYPE_MOUNT, 1, [struct file_system_type has mount field]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.0 dirty_inode() has a flag parameter # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0 # AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG], [AC_MSG_CHECKING([if dirty_inode super_operation takes flag]) LB_LINUX_TRY_COMPILE([ #include ],[ struct inode *inode; inode->i_sb->s_op->dirty_inode(NULL, 0); ],[ AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1, [dirty_inode super_operation takes flag]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 2.6.38 generic_permission taken 4 parameters. # in fact, it means rcu-walk aware permission bring. # # 3.1 generic_permission taken 2 parameters. # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890 # AC_DEFUN([LC_GENERIC_PERMISSION], [AC_MSG_CHECKING([if generic_permission take 2 or 4 arguments]) LB_LINUX_TRY_COMPILE([ #include ],[ generic_permission(NULL, 0); ],[ AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1, [generic_permission taken 2 arguments]) AC_MSG_RESULT([yes, 2 args]) ],[ LB_LINUX_TRY_COMPILE([ #include ],[ generic_permission(NULL, 0, 0, NULL); ],[ AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1, [generic_permission taken 4 arguments]) AC_MSG_RESULT([yes, 4 args]) ],[ AC_MSG_RESULT([no]) ]) ]) ]) # # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50 # AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS], [AC_MSG_CHECKING([if lock-manager ops renamed to lm_xxx]) LB_LINUX_TRY_COMPILE([ #include ],[ struct lock_manager_operations lm_ops; lm_ops.lm_compare_owner = NULL; ],[ AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1, [lock-manager ops renamed to lm_xxx]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait/ # inode_dio_done instead. # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3 # AC_DEFUN([LC_INODE_DIO_WAIT], [AC_MSG_CHECKING([if inode->i_alloc_sem is killed and use inode_dio_wait/done.]) LB_LINUX_TRY_COMPILE([ #include ],[ inode_dio_wait((struct inode *)0); inode_dio_done((struct inode *)0); ],[ AC_DEFINE(HAVE_INODE_DIO_WAIT, 1, [inode->i_alloc_sem is killed and use inode_dio_wait/done]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.1 adds get_acl method to inode_operations to read ACL from disk. # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085 # AC_DEFUN([LC_IOP_GET_ACL], [AC_MSG_CHECKING([inode_operations has .get_acl member function]) LB_LINUX_TRY_COMPILE([ #include ],[ struct inode_operations iop; iop.get_acl = NULL; ],[ AC_DEFINE(HAVE_IOP_GET_ACL, 1, [inode_operations has .get_acl member function]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.1.1 has ext4_blocks_for_truncate # AC_DEFUN([LC_BLOCKS_FOR_TRUNCATE], [AC_MSG_CHECKING([if kernel has ext4_blocks_for_truncate]) LB_LINUX_TRY_COMPILE([ #include #include "$LINUX/fs/ext4/ext4_jbd2.h" #include "$LINUX/fs/ext4/truncate.h" ],[ ext4_blocks_for_truncate(NULL); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_BLOCKS_FOR_TRUNCATE, 1, [kernel has ext4_blocks_for_truncate]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.1 introduced generic_file_llseek_size() # AC_DEFUN([LC_FILE_LLSEEK_SIZE], [LB_CHECK_SYMBOL_EXPORT([generic_file_llseek_size], [fs/read_write.c], [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1, [generic_file_llseek_size is exported by the kernel])]) ]) # # 3.2 request_queue.make_request_fn defined as function returns with void # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f # AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN], [AC_MSG_CHECKING([if request_queue.make_request_fn returns void but not int]) LB_LINUX_TRY_COMPILE([ #include ],[ int ret; make_request_fn *mrf; ret = mrf(NULL, NULL); ],[ AC_MSG_RESULT([no]) ],[ AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1, [request_queue.make_request_fn returns void but not int]) AC_MSG_RESULT([yes]) ]) ]) # # 3.2 protects inode->i_nlink from direct modification # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb # at the same time adds set_nlink(), so checks set_nlink() for it. # AC_DEFUN([LC_HAVE_PROTECT_I_NLINK], [AC_MSG_CHECKING([if inode->i_nlink is protected from direct modification]) LB_LINUX_TRY_COMPILE([ #include ],[ struct inode i; set_nlink(&i, 1); ],[ AC_DEFINE(HAVE_PROTECT_I_NLINK, 1, [inode->i_nlink is protected from direct modification]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.3 introduces migrate_mode.h and migratepage has 4 args # AC_DEFUN([LC_HAVE_MIGRATE_HEADER], [LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[ AC_DEFINE(HAVE_MIGRATE_H, 1, [kernel has include/linux/migrate.h]) ],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[ AC_DEFINE(HAVE_MIGRATE_MODE_H, 1, [kernel has include/linux/migrate_mode.h]) ],[ AC_MSG_RESULT([no]) ]) ]) ]) AC_DEFUN([LC_MIGRATEPAGE_4ARGS], [AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args]) LB_LINUX_TRY_COMPILE([ #include #ifdef HAVE_MIGRATE_H #include #elif defined(HAVE_MIGRATE_MODE_H) #include #endif ],[ struct address_space_operations aops; aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC); ],[ AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1, [address_space_operations.migratepage has 4 args]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount) # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4 # AC_DEFUN([LC_SUPEROPS_USE_DENTRY], [AC_MSG_CHECKING([if super_operations use dentry as parameter]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include int show_options(struct seq_file *seq, struct dentry *root){ return 0; } ],[ struct super_operations ops; ops.show_options = show_options; ],[ AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1, [super_operations use dentry as parameter]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # # 3.3 switchs inode_operations to use umode_t as parameter (but not int) # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35 # AC_DEFUN([LC_INODEOPS_USE_UMODE_T], [AC_MSG_CHECKING([if inode_operations use umode_t as parameter]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include #include int my_mknod(struct inode *dir, struct dentry *dchild, umode_t mode, dev_t dev) { return 0; } ],[ struct inode_operations ops; ops.mknod = my_mknod; ],[ AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1, [inode_operations use umode_t as parameter]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # 3.4 kmap_atomic removes second argument # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f # AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG], [AC_MSG_CHECKING([if kmap_atomic has only 1 argument]) LB_LINUX_TRY_COMPILE([ #include ],[ kmap_atomic(NULL); ],[ AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1, [have kmap_atomic has only 1 argument]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.4 switchs touch_atime to struct path # see kernel commit 68ac1234fb949b66941d94dce4157742799fc581 # AC_DEFUN([LC_TOUCH_ATIME_1ARG], [AC_MSG_CHECKING([if touch_atime use one argument]) LB_LINUX_TRY_COMPILE([ #include ],[ touch_atime((struct path *)NULL); ],[ AC_DEFINE(HAVE_TOUCH_ATIME_1ARG, 1, [touch_atime use one argument]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.4 converts d_alloc_root to d_make_root # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b # AC_DEFUN([LC_HAVE_D_MAKE_ROOT], [AC_MSG_CHECKING([if have d_make_root]) LB_LINUX_TRY_COMPILE([ #include ],[ d_make_root((struct inode *)NULL); ],[ AC_DEFINE(HAVE_D_MAKE_ROOT, 1, [have d_make_root]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.5 renames end_writeback() back to clear_inode()... # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430 # AC_DEFUN([LC_HAVE_CLEAR_INODE], [AC_MSG_CHECKING([if have clear_inode]) LB_LINUX_TRY_COMPILE([ #include ],[ clear_inode((struct inode *)NULL); ],[ AC_DEFINE(HAVE_CLEAR_INODE, 1, [have clear_inode]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.5 encode_fh has parent inode passed in directly # see kernel commit b0b0382b # AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT], [AC_MSG_CHECKING([if encode_fh have parent inode as parameter]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include #include #include int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p) { return 0; } ],[ struct export_operations exp_op; exp_op.encode_fh = ll_encode_fh; ],[ AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1, [have parent inode as parameter]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # 3.5 has generic_file_llseek_size with 5 args AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG], [AC_MSG_CHECKING([if kernel has generic_file_llseek_size with 5 args]) LB_LINUX_TRY_COMPILE([ #include ],[ generic_file_llseek_size(NULL, 0, 0, 0, 0); ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1, [kernel has generic_file_llseek_size with 5 args]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 3.6 switch i_dentry/d_alias from list to hlist # AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST], [AC_MSG_CHECKING([if i_dentry/d_alias uses hlist]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include #include ],[ struct inode inode; struct dentry dentry; struct hlist_head head; struct hlist_node node; inode.i_dentry = head; dentry.d_alias = node; ],[ AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1, [have i_dentry/d_alias uses hlist]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # # 3.6 dentry_open uses struct path as first argument # see kernel commit 765927b2 # AC_DEFUN([LC_DENTRY_OPEN_USE_PATH], [AC_MSG_CHECKING([if dentry_open uses struct path as first argument]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include #include ],[ struct path path; dentry_open(&path, 0, NULL); ],[ AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1, [dentry_open uses struct path as first argument]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # # 3.6 vfs adds iop->atomic_open # AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN], [AC_MSG_CHECKING([if iop has atomic_open]) LB_LINUX_TRY_COMPILE([ #include ],[ struct inode_operations iop; iop.atomic_open = NULL; ],[ AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1, [have iop atomic_open]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_PROG_LINUX # # Lustre linux kernel checks # AC_DEFUN([LC_PROG_LINUX], [ LC_CONFIG_PINGER LC_CONFIG_CHECKSUM LC_CONFIG_LIBLUSTRE_RECOVERY LC_CONFIG_HEALTH_CHECK_WRITE LC_CONFIG_LRU_RESIZE LC_LLITE_LLOOP_MODULE # RHEL4 patches LC_EXPORT_TRUNCATE_COMPLETE LC_EXPORT_D_REHASH_COND LC_EXPORT___D_REHASH LC_EXPORT_NODE_TO_CPUMASK LC_FILEMAP_POPULATE LC_BIT_SPINLOCK_H LC_CONST_ACL_SIZE LC_CAPA_CRYPTO LC_CONFIG_RMTCLIENT LC_CONFIG_GSS LC_TASK_CLENV_STORE # 2.6.12 LC_RW_TREE_LOCK # 2.6.18 LC_UMOUNTBEGIN_HAS_VFSMOUNT #2.6.18 + RHEL5 (fc6) LC_LINUX_FIEMAP_H # 2.6.19 LC_FILE_WRITEV LC_FILE_READV # 2.6.20 LC_CANCEL_DIRTY_PAGE # raid5-zerocopy patch LC_PAGE_CONSTANT # 2.6.22 LC_INVALIDATE_BDEV_2ARG LC_ASYNC_BLOCK_CIPHER LC_STRUCT_HASH_DESC LC_STRUCT_BLKCIPHER_DESC LC_FS_RENAME_DOES_D_MOVE # 2.6.23 LC_UNREGISTER_BLKDEV_RETURN_INT LC_KERNEL_SPLICE_READ LC_KERNEL_SENDFILE LC_HAVE_EXPORTFS_H LC_VM_OP_FAULT LC_PROCFS_USERS LC_EXPORTFS_DECODE_FH # 2.6.24 LC_HAVE_MMTYPES_H LC_BIO_ENDIO_2ARG LC_FH_TO_DENTRY LC_PROCFS_DELETED LC_EXPORT_BDI_INIT # 2.6.26 LC_FS_STRUCT_USE_PATH # 2.6.27 LC_SECURITY_PLUG # for SLES10 SP2 LC_PGMKWRITE_USE_VMFAULT LC_PGMKWRITE_COMPACT LC_INODE_PERMISION_2ARGS LC_TRYLOCKPAGE LC_READ_INODE_IN_SBOPS LC_EXPORT_INODE_PERMISSION LC_QUOTA_ON_5ARGS LC_QUOTA_OFF_3ARGS LC_VFS_DQ_OFF LC_LOCK_MAP_ACQUIRE # 2.6.27.15-2 sles11 LC_BI_HW_SEGMENTS LC_HAVE_QUOTAIO_H LC_BDI_NAME LC_SB_ANY_QUOTA_ACTIVE LC_SB_HAS_QUOTA_ACTIVE LC_EXPORT_ADD_TO_PAGE_CACHE_LRU # 2.6.29 LC_SB_ANY_QUOTA_LOADED # 2.6.30 LC_EXPORT_CPUMASK_OF_NODE # 2.6.31 LC_BLK_QUEUE_LOG_BLK_SIZE # 2.6.32 LC_REQUEST_QUEUE_LIMITS LC_EXPORT_BDI_REGISTER LC_SB_BDI LC_BLK_QUEUE_MAX_SECTORS LC_BLK_QUEUE_MAX_SEGMENTS LC_SET_CPUS_ALLOWED LC_CACHE_UPCALL LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE LC_SELINUX_IS_ENABLED LC_EXPORT_ACCESS_PROCESS_VM LC_VFS_INODE_NEWSIZE_OK # 2.6.34 LC_HAVE_DQUOT_FS_DISK_QUOTA LC_HAVE_DQUOT_SUSPEND # 2.6.35, 3.0.0 LC_FILE_FSYNC LC_EXPORT_SIMPLE_SETATTR # 2.6.36 LC_FS_STRUCT_RWLOCK LC_SBOPS_EVICT_INODE # 2.6.37 LC_KERNEL_LOCKED # 2.6.38 LC_BLKDEV_GET_BY_DEV LC_GENERIC_PERMISSION LC_QUOTA_ON_USE_PATH LC_DCACHE_LOCK LC_D_COMPARE_7ARGS LC_D_DELETE_CONST # 2.6.39 LC_REQUEST_QUEUE_UNPLUG_FN LC_HAVE_FSTYPE_MOUNT # 3.0 LC_DIRTY_INODE_WITH_FLAG # 3.1 LC_LM_XXX_LOCK_MANAGER_OPS LC_INODE_DIO_WAIT LC_IOP_GET_ACL LC_FILE_LLSEEK_SIZE # 3.1.1 LC_BLOCKS_FOR_TRUNCATE # 3.2 LC_HAVE_VOID_MAKE_REQUEST_FN LC_HAVE_PROTECT_I_NLINK # 3.3 LC_HAVE_MIGRATE_HEADER LC_MIGRATEPAGE_4ARGS LC_SUPEROPS_USE_DENTRY LC_INODEOPS_USE_UMODE_T # 3.4 LC_TOUCH_ATIME_1ARG LC_HAVE_D_MAKE_ROOT LC_KMAP_ATOMIC_HAS_1ARG # 3.5 LC_HAVE_CLEAR_INODE LC_HAVE_ENCODE_FH_PARENT LC_FILE_LLSEEK_SIZE_5ARG # 3.6 LC_HAVE_DENTRY_D_ALIAS_HLIST LC_DENTRY_OPEN_USE_PATH LC_HAVE_IOP_ATOMIC_OPEN # if test x$enable_server = xyes ; then AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server]) LC_FUNC_DEV_SET_RDONLY LC_STACK_SIZE LC_QUOTA64 LC_QUOTA_CONFIG fi ]) # # LC_CONFIG_CLIENT_SERVER # # Build client/server sides of Lustre # AC_DEFUN([LC_CONFIG_CLIENT_SERVER], [AC_MSG_CHECKING([whether to build Lustre server support]) AC_ARG_ENABLE([server], AC_HELP_STRING([--disable-server], [disable Lustre server support]), [],[enable_server='yes']) AC_MSG_RESULT([$enable_server]) AC_MSG_CHECKING([whether to build Lustre client support]) AC_ARG_ENABLE([client], AC_HELP_STRING([--disable-client], [disable Lustre client support]), [],[enable_client='yes']) AC_MSG_RESULT([$enable_client])]) # # LC_CONFIG_LIBLUSTRE # # whether to build liblustre # AC_DEFUN([LC_CONFIG_LIBLUSTRE], [AC_MSG_CHECKING([whether to build Lustre library]) AC_ARG_ENABLE([liblustre], AC_HELP_STRING([--disable-liblustre], [disable building of Lustre library]), [],[enable_liblustre=$with_sysio]) AC_MSG_RESULT([$enable_liblustre]) # only build sysio if liblustre is built with_sysio="$enable_liblustre" AC_MSG_CHECKING([whether to build liblustre tests]) AC_ARG_ENABLE([liblustre-tests], AC_HELP_STRING([--enable-liblustre-tests], [enable liblustre tests, if --disable-tests is used]), [],[enable_liblustre_tests=$enable_tests]) if test x$enable_liblustre != xyes ; then enable_liblustre_tests='no' fi AC_MSG_RESULT([$enable_liblustre_tests]) AC_MSG_CHECKING([whether to enable liblustre acl]) AC_ARG_ENABLE([liblustre-acl], AC_HELP_STRING([--disable-liblustre-acl], [disable ACL support for liblustre]), [],[enable_liblustre_acl=yes]) AC_MSG_RESULT([$enable_liblustre_acl]) if test x$enable_liblustre_acl = xyes ; then AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS) fi # 2.6.29 change prepare/commit_write to write_begin/end AC_DEFUN([LC_WRITE_BEGIN_END], [AC_MSG_CHECKING([if kernel has .write_begin/end]) LB_LINUX_TRY_COMPILE([ #include #include #ifdef HAVE_LINUX_MMTYPES_H #include #endif ],[ struct address_space_operations aops; struct page *page; aops.write_begin = NULL; aops.write_end = NULL; page = grab_cache_page_write_begin(NULL, 0, 0); ], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_KERNEL_WRITE_BEGIN_END, 1, [kernel has .write_begin/end]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.29 blkdev_put has 2 arguments AC_DEFUN([LC_BLKDEV_PUT_2ARGS], [AC_MSG_CHECKING([blkdev_put needs 2 parameters]) LB_LINUX_TRY_COMPILE([ #include ],[ blkdev_put(NULL, 0); ],[ AC_DEFINE(HAVE_BLKDEV_PUT_2ARGS, 1, [blkdev_put needs 2 paramters]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 2.6.29 dentry_open has 4 arguments AC_DEFUN([LC_DENTRY_OPEN_4ARGS], [AC_MSG_CHECKING([dentry_open needs 4 parameters]) LB_LINUX_TRY_COMPILE([ #include ],[ dentry_open(NULL, NULL, 0, NULL); ],[ AC_DEFINE(HAVE_DENTRY_OPEN_4ARGS, 1, [dentry_open needs 4 paramters]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # 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 #include ],[ 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 # AC_ARG_ENABLE(mpitests, AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper], [include mpi tests]), [ enable_mpitests=yes case $enableval in yes) MPICC_WRAPPER=mpicc ;; no) enable_mpitests=no ;; *) MPICC_WRAPPER=$enableval ;; esac ], [ MPICC_WRAPPER=mpicc enable_mpitests=yes ] ) if test x$enable_mpitests != xno; then AC_MSG_CHECKING([whether mpitests can be built]) oldcc=$CC CC=$MPICC_WRAPPER AC_LINK_IFELSE( [AC_LANG_PROGRAM([[ #include ]],[[ int flag; MPI_Initialized(&flag); ]])], [ AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) enable_mpitests=no ]) CC=$oldcc fi AC_SUBST(MPICC_WRAPPER) AC_MSG_NOTICE([Enabling Lustre configure options for libsysio]) ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets" LC_CONFIG_PINGER LC_CONFIG_LIBLUSTRE_RECOVERY ]) # # LC_CONFIG_QUOTA # # whether to enable quota support global control # AC_DEFUN([LC_CONFIG_QUOTA], [AC_ARG_ENABLE([quota], AC_HELP_STRING([--enable-quota], [enable quota support]), [],[enable_quota='yes']) ]) AC_DEFUN([LC_QUOTA], [#check global LC_CONFIG_QUOTA #check for utils AC_CHECK_HEADER(sys/quota.h, [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have .])], [AC_MSG_ERROR([don't find in your system])]) ]) # # LC_CONFIG_SPLIT # # whether to enable split support # AC_DEFUN([LC_CONFIG_SPLIT], [AC_MSG_CHECKING([whether to enable split support]) AC_ARG_ENABLE([split], AC_HELP_STRING([--enable-split], [enable split support]), [],[enable_split='no']) AC_MSG_RESULT([$enable_split]) if test x$enable_split != xno; then AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support]) fi ]) # RHEL5(2.6.18) has tux_info AC_DEFUN([LC_TASK_CLENV_TUX_INFO], [AC_MSG_CHECKING([tux_info]) LB_LINUX_TRY_COMPILE([ #include ],[ struct task_struct task; &task.tux_info; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(LL_TASK_CL_ENV, tux_info, [have tux_info]) have_task_clenv_store='yes' ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_LLITE_LLOOP_MODULE # lloop_llite.ko does not currently work with page sizes # of 64k or larger. # AC_DEFUN([LC_LLITE_LLOOP_MODULE], [AC_MSG_CHECKING([whether to enable llite_lloop module]) LB_LINUX_TRY_COMPILE([ #include ],[ #if PAGE_SIZE >= 65536 #error "PAGE_SIZE >= 65536" #endif ],[ enable_llite_lloop_module='yes' AC_MSG_RESULT([yes]) ],[ enable_llite_lloop_module='no' AC_MSG_RESULT([no]) ]) ]) # # LC_OSD_ADDON # # configure support for optional OSD implementation # AC_DEFUN([LC_OSD_ADDON], [AC_MSG_CHECKING([for osd]) AC_ARG_WITH([osd], AC_HELP_STRING([--with-osd=path], [set path to optional osd]), [ case $with_osd in no) ENABLEOSDADDON=0 ;; *) OSDADDON="${with_osd}" ENABLEOSDADDON=1 ;; esac ], [ ENABLEOSDADDON=0 ]) if test $ENABLEOSDADDON -eq 0; then AC_MSG_RESULT([no]) OSDADDON= else OSDMODNAME=`basename $OSDADDON` if test -e $LUSTRE/$OSDMODNAME; then AC_MSG_RESULT([can't link]) OSDADDON= elif ln -s $OSDADDON $LUSTRE/$OSDMODNAME; then AC_MSG_RESULT([$OSDMODNAME]) OSDADDON="subdir-m += $OSDMODNAME" else AC_MSG_RESULT([can't link]) OSDADDON= fi fi AC_SUBST(OSDADDON) ]) # # LC_CONFIGURE # # other configure checks # AC_DEFUN([LC_CONFIGURE], [LC_CONFIG_OBD_BUFFER_SIZE if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then CFLAGS="$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]) # liblustre/llite_lib.h AC_CHECK_HEADERS([xtio.h file.h]) # liblustre/dir.c AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h]) # liblustre/lutil.c AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h]) AC_CHECK_FUNCS([inet_ntoa]) # libsysio/src/readlink.c LC_READLINK_SSIZE_T # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c AC_CHECK_HEADERS([linux/random.h], [], [], [#ifdef HAVE_LINUX_TYPES_H # include #endif ]) # utils/llverfs.c AC_CHECK_HEADERS([ext2fs/ext2fs.h]) # check for -lz support ZLIB="" AC_CHECK_LIB([z], [adler32], [AC_CHECK_HEADERS([zlib.h], [ZLIB="-lz" AC_DEFINE([HAVE_ADLER], 1, [support alder32 checksum type])], [AC_MSG_WARN([No zlib-devel package found, unable to use adler32 checksum])])], [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])] ) AC_SUBST(ZLIB) # Super safe df AC_ARG_ENABLE([mindf], AC_HELP_STRING([--enable-mindf], [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]), [],[]) if test "$enable_mindf" = "yes" ; then AC_DEFINE([MIN_DF], 1, [Report minimum OST free space]) fi AC_ARG_ENABLE([fail_alloc], AC_HELP_STRING([--disable-fail-alloc], [disable randomly alloc failure]), [],[enable_fail_alloc=yes]) AC_MSG_CHECKING([whether to randomly failing memory alloc]) AC_MSG_RESULT([$enable_fail_alloc]) if test x$enable_fail_alloc != xno ; then AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure]) fi AC_ARG_ENABLE([invariants], AC_HELP_STRING([--enable-invariants], [enable invariant checking (cpu intensive)]), [],[]) AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)]) AC_MSG_RESULT([$enable_invariants]) if test x$enable_invariants = xyes ; then AC_DEFINE([INVARIANT_CHECK], 1, [enable invariant checking]) fi AC_ARG_ENABLE([lu_ref], AC_HELP_STRING([--enable-lu_ref], [enable lu_ref reference tracking code]), [],[]) AC_MSG_CHECKING([whether to track references with lu_ref]) AC_MSG_RESULT([$enable_lu_ref]) if test x$enable_lu_ref = xyes ; then AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code]) fi AC_ARG_ENABLE([pgstate-track], AC_HELP_STRING([--enable-pgstate-track], [enable page state tracking]), [enable_pgstat_track='yes'],[]) AC_MSG_CHECKING([whether to enable page state tracking]) AC_MSG_RESULT([$enable_pgstat_track]) if test x$enable_pgstat_track = xyes ; then AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1, [enable page state tracking code]) fi #2.6.29 LC_WRITE_BEGIN_END LC_D_OBTAIN_ALIAS LC_BLKDEV_PUT_2ARGS LC_DENTRY_OPEN_4ARGS LC_PAGEVEC_LRU_ADD_FILE ]) # # LC_CONDITIONALS # # AM_CONDITIONALS for lustre # AC_DEFUN([LC_CONDITIONALS], [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes) AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno) AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes) AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests) AM_CONDITIONAL(CLIENT, test x$enable_client = xyes) AM_CONDITIONAL(SERVER, test x$enable_server = xyes) AM_CONDITIONAL(SPLIT, test x$enable_split = xyes) AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes) AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes) AM_CONDITIONAL(GSS, test x$enable_gss = xyes) AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes) AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes) AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes) AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes) ]) # # LC_CONFIG_FILES # # files that should be generated with AC_OUTPUT # AC_DEFUN([LC_CONFIG_FILES], [AC_CONFIG_FILES([ lustre/Makefile lustre/autoMakefile lustre/autoconf/Makefile lustre/conf/Makefile lustre/contrib/Makefile lustre/doc/Makefile lustre/include/Makefile lustre/include/lustre_ver.h lustre/include/linux/Makefile lustre/include/darwin/Makefile lustre/include/lustre/Makefile lustre/kernel_patches/targets/2.6-rhel6.target lustre/kernel_patches/targets/2.6-rhel5.target lustre/kernel_patches/targets/2.6-sles10.target lustre/kernel_patches/targets/2.6-sles11.target lustre/kernel_patches/targets/3.0-sles11.target lustre/kernel_patches/targets/2.6-oel5.target lustre/kernel_patches/targets/2.6-fc11.target lustre/kernel_patches/targets/2.6-fc12.target lustre/kernel_patches/targets/2.6-fc15.target lustre/kernel_patches/targets/3.x-fc18.target lustre/ldlm/Makefile lustre/fid/Makefile lustre/fid/autoMakefile lustre/liblustre/Makefile lustre/liblustre/tests/Makefile lustre/liblustre/tests/mpi/Makefile lustre/llite/Makefile lustre/llite/autoMakefile lustre/lclient/Makefile lustre/lov/Makefile lustre/lov/autoMakefile lustre/lvfs/Makefile lustre/lvfs/autoMakefile lustre/mdc/Makefile lustre/mdc/autoMakefile lustre/lmv/Makefile lustre/lmv/autoMakefile lustre/mdt/Makefile lustre/mdt/autoMakefile lustre/mdd/Makefile lustre/mdd/autoMakefile lustre/fld/Makefile lustre/fld/autoMakefile lustre/obdclass/Makefile lustre/obdclass/autoMakefile lustre/obdclass/linux/Makefile lustre/obdecho/Makefile lustre/obdecho/autoMakefile lustre/ofd/Makefile lustre/ofd/autoMakefile lustre/osc/Makefile lustre/osc/autoMakefile lustre/ost/Makefile lustre/ost/autoMakefile lustre/osd-ldiskfs/Makefile lustre/osd-ldiskfs/autoMakefile lustre/osd-zfs/Makefile lustre/osd-zfs/autoMakefile lustre/mgc/Makefile lustre/mgc/autoMakefile lustre/mgs/Makefile lustre/mgs/autoMakefile lustre/target/Makefile lustre/ptlrpc/Makefile lustre/ptlrpc/autoMakefile lustre/ptlrpc/gss/Makefile lustre/ptlrpc/gss/autoMakefile lustre/quota/Makefile lustre/quota/autoMakefile lustre/scripts/Makefile lustre/tests/Makefile lustre/tests/mpi/Makefile lustre/utils/Makefile lustre/utils/gss/Makefile lustre/osp/Makefile lustre/osp/autoMakefile lustre/lod/Makefile lustre/lod/autoMakefile lustre/obdclass/darwin/Makefile ]) ])