#* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- #* vim:expandtab:shiftwidth=8:tabstop=8: # # LC_CONFIG_SRCDIR # # Wrapper for AC_CONFIG_SUBDIR # AC_DEFUN([LC_CONFIG_SRCDIR], [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c]) libcfs_is_module=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 ;; *) $2 ;; esac ]) # # Ensure stack size big than 8k in Lustre server (all kernels) # AC_DEFUN([LC_STACK_SIZE], [AC_MSG_CHECKING([stack size big than 8k]) LB_LINUX_TRY_COMPILE([ #include ],[ #if THREAD_SIZE < 8192 #error "stack size < 8192" #endif ],[ AC_MSG_RESULT(yes) ],[ AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.]) ]) ]) # # LC_FUNC_DEV_SET_RDONLY # # check for the old-style dev_set_rdonly which took an extra "devno" param # and can only set a single device to discard writes at one time # AC_DEFUN([LC_FUNC_DEV_SET_RDONLY], [AC_MSG_CHECKING([if kernel has new dev_set_rdonly]) LB_LINUX_TRY_COMPILE([ #include #include ],[ #ifndef HAVE_CLEAR_RDONLY_ON_PUT #error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above. #endif ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly]) ],[ AC_MSG_ERROR([no, Linux kernel source needs to be patches by lustre kernel patches from Lustre version 1.4.3 or above.]) ]) ]) # # LC_CONFIG_BACKINGFS # # setup, check the backing filesystem # AC_DEFUN([LC_CONFIG_BACKINGFS], [ BACKINGFS="ldiskfs" if test x$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([$BACKINGFS]) AC_SUBST(BACKINGFS) ]) # # LC_CONFIG_PINGER # # the pinger is temporary, until we have the recovery node in place # AC_DEFUN([LC_CONFIG_PINGER], [AC_MSG_CHECKING([whether to enable pinger support]) AC_ARG_ENABLE([pinger], AC_HELP_STRING([--disable-pinger], [disable recovery pinger support]), [],[enable_pinger='yes']) AC_MSG_RESULT([$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$enable_checksum != xno ; then AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums) fi ]) # # LC_HEADER_LDISKFS_XATTR # # CHAOS kernel-devel package will not include fs/ldiskfs/xattr.h # AC_DEFUN([LC_HEADER_LDISKFS_XATTR], [AC_MSG_CHECKING([if ldiskfs has xattr.h header]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-I$LINUX/fs -I$LDISKFS_DIR -I$LDISKFS_DIR/ldiskfs" LB_LINUX_TRY_COMPILE([ #include ],[ ldiskfs_xattr_get(NULL, 0, "", NULL, 0); ldiskfs_xattr_set_handle(NULL, NULL, 0, "", NULL, 0, 0); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_LDISKFS_XATTR_H, 1, [ldiskfs/xattr.h found]) ],[ AC_MSG_RESULT([no]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # # LC_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 ]) # # 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_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, $OBD_BUFFER_SIZE, [IOCTL Buffer Size]) ]) # # LC_STRUCT_STATFS # # AIX does not have statfs.f_namelen # AC_DEFUN([LC_STRUCT_STATFS], [AC_MSG_CHECKING([if struct statfs has a f_namelen field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct statfs sfs; sfs.f_namelen = 1; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_READLINK_SSIZE_T # AC_DEFUN([LC_READLINK_SSIZE_T], [AC_MSG_CHECKING([if readlink returns ssize_t]) AC_TRY_COMPILE([ #include ],[ ssize_t readlink(const char *, char *, size_t); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_FUNC_MS_FLOCK_LOCK # # 2.6.5 kernel has MS_FLOCK_LOCK sb flag # AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK], [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag]) LB_LINUX_TRY_COMPILE([ #include ],[ int flags = MS_FLOCK_LOCK; ],[ AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1, [kernel has MS_FLOCK_LOCK flag]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_FUNC_HAVE_CAN_SLEEP_ARG # # 2.6.5 kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait() # AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG], [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()]) LB_LINUX_TRY_COMPILE([ #include ],[ int cansleep; struct file *file; struct file_lock *file_lock; flock_lock_file_wait(file, file_lock, cansleep); ],[ AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1, [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_FUNC_RELEASEPAGE_WITH_GFP # # 2.6.9 ->releasepage() takes a gfp_t arg # This kernel defines gfp_t (HAS_GFP_T) but doesn't use it for this function, # while others either don't have gfp_t or pass gfp_t as the parameter. # AC_DEFUN([LC_FUNC_RELEASEPAGE_WITH_GFP], [AC_MSG_CHECKING([if releasepage has a gfp_t parameter]) RELEASEPAGE_WITH_GFP="$(grep -c 'releasepage.*gfp_t' $LINUX/include/linux/fs.h)" if test "$RELEASEPAGE_WITH_GFP" != 0 ; then AC_DEFINE(HAVE_RELEASEPAGE_WITH_GFP, 1, [releasepage with gfp_t parameter]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi ]) # # 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 2.6.15 # AC_DEFUN([LC_D_ADD_UNIQUE], [AC_MSG_CHECKING([for d_add_unique]) LB_LINUX_TRY_COMPILE([ #include ],[ d_add_unique(NULL, NULL); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique]) ],[ AC_MSG_RESULT([no]) ]) ]) # # added in 2.6.17 # AC_DEFUN([LC_BIT_SPINLOCK_H], [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[ AC_MSG_CHECKING([if bit_spinlock.h can be compiled]) LB_LINUX_TRY_COMPILE([ #include #include #include ],[],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h]) ],[ AC_MSG_RESULT([no]) ]) ], []) ]) # # After 2.6.26 we no longer have xattr_acl.h # AC_DEFUN([LC_XATTR_ACL], [LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[ AC_MSG_CHECKING([if xattr_acl.h can be compiled]) LB_LINUX_TRY_COMPILE([ #include ],[],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl]) ],[ AC_MSG_RESULT([no]) ]) ], []) ]) # # added in 2.6.16 # AC_DEFUN([LC_STRUCT_INTENT_FILE], [AC_MSG_CHECKING([if struct open_intent has a file field]) LB_LINUX_TRY_COMPILE([ #include #include ],[ struct open_intent intent; &intent.file; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field]) ],[ AC_MSG_RESULT([no]) ]) ]) # # After 2.6.16 the xattr_acl API is removed, and posix_acl is used instead # AC_DEFUN([LC_POSIX_ACL_XATTR_H], [LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[ AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled]) LB_LINUX_TRY_COMPILE([ #include ],[],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found]) ],[ AC_MSG_RESULT([no]) ]) $1 ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_EXPORT___IGET # starting from 2.6.19 linux kernel exports __iget() # AC_DEFUN([LC_EXPORT___IGET], [LB_CHECK_SYMBOL_EXPORT([__iget], [fs/inode.c],[ AC_DEFINE(HAVE_EXPORT___IGET, 1, [kernel exports __iget]) ],[ ]) ]) # # only for Lustre-patched kernels # AC_DEFUN([LC_LUSTRE_VERSION_H], [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[ rm -f "$LUSTRE/include/linux/lustre_version.h" ],[ touch "$LUSTRE/include/linux/lustre_version.h" if test x$enable_server = xyes ; then AC_MSG_WARN([Unpatched kernel detected.]) AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;]) AC_MSG_WARN([disabling server build]) enable_server='no' fi ]) ]) # # LC_CAPA_CRYPTO # AC_DEFUN([LC_CAPA_CRYPTO], [LB_LINUX_CONFIG_IM([CRYPTO],[],[ AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.]) ]) LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[ AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.]) ]) LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[ AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.]) ]) ]) # # LC_CONFIG_RMTCLIENT # dnl FIXME dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586 dnl FIXME AC_DEFUN([LC_CONFIG_RMTCLIENT], [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[ AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.]) ]) ]) AC_DEFUN([LC_SUNRPC_CACHE], [AC_MSG_CHECKING([if sunrpc struct cache_head uses kref]) LB_LINUX_TRY_COMPILE([ #include ],[ struct cache_head ch; &ch.ref.refcount; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2]) ],[ AC_MSG_RESULT([no]) ]) ]) AC_DEFUN([LC_CONFIG_SUNRPC], [LB_LINUX_CONFIG_IM([SUNRPC],[], [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])]) LC_SUNRPC_CACHE ]) # # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled) # AC_DEFUN([LC_CONFIG_GSS_KEYRING], [AC_MSG_CHECKING([whether to enable gss keyring backend]) AC_ARG_ENABLE([gss_keyring], [AC_HELP_STRING([--disable-gss-keyring], [disable gss keyring backend])], [],[enable_gss_keyring='yes']) AC_MSG_RESULT([$enable_gss_keyring]) if test x$enable_gss_keyring != xno; then LB_LINUX_CONFIG_IM([KEYS],[], [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])]) AC_CHECK_LIB([keyutils], [keyctl_search], [], [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],) AC_DEFINE([HAVE_GSS_KEYRING], [1], [Define this if you enable gss keyring backend]) fi ]) # # LC_CONFIG_GSS (default disabled) # # Build gss and related tools of Lustre. Currently both kernel and user space # parts are depend on linux platform. # AC_DEFUN([LC_CONFIG_GSS], [AC_MSG_CHECKING([whether to enable gss/krb5 support]) AC_ARG_ENABLE([gss], [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])], [],[enable_gss='no']) AC_MSG_RESULT([$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 ]) # LC_EXPORT_SYNCHRONIZE_RCU # after 2.6.12 synchronize_rcu is preferred over synchronize_kernel AC_DEFUN([LC_EXPORT_SYNCHRONIZE_RCU], [LB_CHECK_SYMBOL_EXPORT([synchronize_rcu], [kernel/rcupdate.c],[ AC_DEFINE(HAVE_SYNCHRONIZE_RCU, 1, [in 2.6.12 synchronize_rcu preferred over synchronize_kernel]) ],[ ]) ]) # LC_INODE_I_MUTEX # after 2.6.15 inode have i_mutex intead of i_sem AC_DEFUN([LC_INODE_I_MUTEX], [AC_MSG_CHECKING([if inode has i_mutex ]) LB_LINUX_TRY_COMPILE([ #include #include #undef i_mutex ],[ struct inode i; mutex_unlock(&i.i_mutex); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_INODE_I_MUTEX, 1, [after 2.6.15 inode have i_mutex intead of i_sem]) ],[ AC_MSG_RESULT(no) ]) ]) # LC_SEQ_LOCK # after 2.6.18 seq_file has lock intead of sem AC_DEFUN([LC_SEQ_LOCK], [AC_MSG_CHECKING([if struct seq_file has lock field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct seq_file seq; mutex_unlock(&seq.lock); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SEQ_LOCK, 1, [after 2.6.18 seq_file has lock intead of sem]) ],[ AC_MSG_RESULT(NO) ]) ]) # LC_DQUOTOFF_MUTEX # after 2.6.17 dquote use mutex instead if semaphore AC_DEFUN([LC_DQUOTOFF_MUTEX], [AC_MSG_CHECKING([use dqonoff_mutex]) LB_LINUX_TRY_COMPILE([ #include #include #include ],[ struct quota_info dq; mutex_unlock(&dq.dqonoff_mutex); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1, [after 2.6.17 dquote use mutex instead if semaphore]) ],[ AC_MSG_RESULT(no) ]) ]) # # LC_STATFS_DENTRY_PARAM # starting from 2.6.18 linux kernel uses dentry instead of # super_block for first vfs_statfs argument # AC_DEFUN([LC_STATFS_DENTRY_PARAM], [AC_MSG_CHECKING([first vfs_statfs parameter is dentry]) LB_LINUX_TRY_COMPILE([ #include ],[ int vfs_statfs(struct dentry *, struct kstatfs *); ],[ AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1, [first parameter of vfs_statfs is dentry]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_VFS_KERN_MOUNT # starting from 2.6.18 kernel don't export do_kern_mount # and want to use vfs_kern_mount instead. # AC_DEFUN([LC_VFS_KERN_MOUNT], [AC_MSG_CHECKING([vfs_kern_mount exist in kernel]) LB_LINUX_TRY_COMPILE([ #include ],[ vfs_kern_mount(NULL, 0, NULL, NULL); ],[ AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1, [vfs_kern_mount exist in kernel]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_INVALIDATEPAGE_RETURN_INT # 2.6.17 changes return type for invalidatepage to 'void' from 'int' # AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT], [AC_MSG_CHECKING([invalidatepage has return int]) LB_LINUX_TRY_COMPILE([ #include ],[ int rc = block_invalidatepage(NULL, 0); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1, [Define if return type of invalidatepage should be int]) ],[ AC_MSG_RESULT(no) ]) ]) # LC_UMOUNTBEGIN_HAS_VFSMOUNT # after 2.6.18 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="$tmp_flags" ]) # inode have i_private field since 2.6.17 AC_DEFUN([LC_INODE_IPRIVATE], [AC_MSG_CHECKING([if inode has a i_private field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct inode i; i.i_private = NULL; ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_INODE_IPRIVATE, 1, [struct inode has i_private field]) ],[ AC_MSG_RESULT(no) ]) ]) # 2.6.19 API changes # inode don't have i_blksize field AC_DEFUN([LC_INODE_BLKSIZE], [AC_MSG_CHECKING([inode has i_blksize field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct inode i; i.i_blksize = 0; ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_INODE_BLKSIZE, 1, [struct inode has i_blksize field]) ],[ AC_MSG_RESULT(no) ]) ]) # LC_VFS_READDIR_U64_INO # 2.6.19 use u64 for inode number instead of inode_t AC_DEFUN([LC_VFS_READDIR_U64_INO], [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number]) tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_LINUX_TRY_COMPILE([ #include int fillonedir(void * __buf, const char * name, int namlen, loff_t offset, u64 ino, unsigned int d_type) { return 0; } ],[ filldir_t filter; filter = fillonedir; return 1; ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1, [if vfs_readdir need 64bit inode number]) ],[ AC_MSG_RESULT(no) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # 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_GENERIC_FILE_READ # 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) ]) ]) # LC_NR_PAGECACHE # 2.6.18 don't export nr_pagecahe AC_DEFUN([LC_NR_PAGECACHE], [AC_MSG_CHECKING([kernel export nr_pagecache]) LB_LINUX_TRY_COMPILE([ #include ],[ return atomic_read(&nr_pagecache); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_NR_PAGECACHE, 1, [is kernel export nr_pagecache]) ],[ AC_MSG_RESULT(no) ]) ]) # LC_CANCEL_DIRTY_PAGE # 2.6.20 introduse cancel_dirty_page instead of # clear_page_dirty. AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [AC_MSG_CHECKING([kernel has cancel_dirty_page]) LB_LINUX_TRY_COMPILE([ #include #include ],[ /* tmp workaround for broken OFED 1.4.1 at SLES10 */ #if defined(CONFIG_SLE_VERSION) && CONFIG_SLE_VERSION == 10 && defined(_BACKPORT_LINUX_MM_H_) #error badly implementation of cancel_dirty_pages #endif 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) ]) ]) # # 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); ]) ]) # RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc AC_DEFUN([LC_PG_FS_MISC], [AC_MSG_CHECKING([kernel has PG_fs_misc]) LB_LINUX_TRY_COMPILE([ #include #include ],[ #ifndef PG_fs_misc #error PG_fs_misc not defined in kernel #endif ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_PG_FS_MISC, 1, [is kernel have PG_fs_misc]) ],[ AC_MSG_RESULT(no) ]) ]) # RHEL5 PageChecked and SetPageChecked defined AC_DEFUN([LC_PAGE_CHECKED], [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked]) LB_LINUX_TRY_COMPILE([ #include #include ],[ #ifndef PageChecked #error PageChecked not defined in kernel #endif #ifndef SetPageChecked #error SetPageChecked not defined in kernel #endif ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_PAGE_CHECKED, 1, [does kernel have PageChecked and SetPageChecked]) ],[ AC_MSG_RESULT(no) ]) ]) 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]) ],[ ]) ]) AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE], [LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range], [mm/truncate.c],[ AC_DEFINE(HAVE_TRUNCATE_RANGE, 1, [kernel export truncate_inode_pages_range]) ],[ ]) ]) 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]) ],[ ]) ]) AC_DEFUN([LC_EXPORT_D_MOVE_LOCKED], [LB_CHECK_SYMBOL_EXPORT([d_move_locked], [fs/dcache.c],[ AC_DEFINE(HAVE_D_MOVE_LOCKED, 1, [d_move_locked is exported by the kernel]) ],[ ]) ]) AC_DEFUN([LC_EXPORT___D_MOVE], [LB_CHECK_SYMBOL_EXPORT([__d_move], [fs/dcache.c],[ AC_DEFINE(HAVE___D_MOVE, 1, [__d_move is exported by the kernel]) ],[ ]) ]) # # LC_EXPORT_INVALIDATE_MAPPING_PAGES # # SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but # SLES10 2.6.16 does not, for some reason. For filter cache invalidation. # AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES], [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [ AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1, [exported invalidate_mapping_pages])], [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [ AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1, [exported invalidate_inode_pages])], [ AC_MSG_ERROR([no way to invalidate pages]) ]) ],[]) ]) # # LC_EXPORT_FILEMAP_FDATASYNC_RANGE # # No standard kernels export this # AC_DEFUN([LC_EXPORT_FILEMAP_FDATAWRITE_RANGE], [LB_CHECK_SYMBOL_EXPORT([filemap_fdatawrite_range], [mm/filemap.c],[ AC_DEFINE(HAVE_FILEMAP_FDATAWRITE_RANGE, 1, [filemap_fdatawrite_range 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 ]) # 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]) ]) ]) # 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 = 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 extract nfs export related data into exportfs.h AC_DEFUN([LC_HAVE_EXPORTFS_H], [ tmpfl="$CFLAGS" CFLAGS="$CFLAGS -I$LINUX_OBJ/include" AC_CHECK_HEADERS([linux/exportfs.h]) CFLAGS="$tmpfl" ]) # # LC_VFS_INTENT_PATCHES # # check if the kernel has the VFS intent patches AC_DEFUN([LC_VFS_INTENT_PATCHES], [AC_MSG_CHECKING([if the kernel has the VFS intent patches]) LB_LINUX_TRY_COMPILE([ #include #include ],[ struct nameidata nd; struct lookup_intent *it; it = &nd.intent; intent_init(it, IT_OPEN); it->d.lustre.it_disposition = 0; it->d.lustre.it_data = NULL; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied]) ],[ AC_MSG_RESULT([no]) ]) ]) AC_DEFUN([LC_S_TIME_GRAN], [AC_MSG_CHECKING([if super block has s_time_gran member]) LB_LINUX_TRY_COMPILE([ #include ],[ struct super_block sb; return sb.s_time_gran; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member]) ],[ AC_MSG_RESULT([no]) ]) ]) AC_DEFUN([LC_SB_TIME_GRAN], [AC_MSG_CHECKING([if kernel has old get_sb_time_gran]) LB_LINUX_TRY_COMPILE([ #include ],[ return get_sb_time_gran(NULL); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP # # Check for our patched grab_cache_page_nowait_gfp() function # after 2.6.29 we can emulate this using add_to_page_cache_lru() # AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP], [LB_CHECK_SYMBOL_EXPORT([grab_cache_page_nowait_gfp], [mm/filemap.c],[ AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1, [kernel exports grab_cache_page_nowait_gfp]) ], [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru], [mm/filemap.c],[ AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1, [kernel exports add_to_page_cache_lru]) ],[ ]) ]) ]) # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock 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" ]) 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 $EXTRA_KCFLAGS" AC_TRY_RUN([ #define __KERNEL__ #include #include #undef __KERNEL__ // block include #define __LINUX_POSIX_ACL_H # ifdef CONFIG_FS_POSIX_ACL # ifdef HAVE_XATTR_ACL # include # endif # ifdef HAVE_LINUX_POSIX_ACL_XATTR_H # include # endif # endif #include #include int main(void) { int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES); 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 computed]) ]) CFLAGS="$tmp_flags" ]) # # 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, 0 ); ],[ 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; ],[ 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; ],[ 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 = 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]) ]) ]) # # LC_FUNC_F_OP_FLOCK # # rhel4.2 kernel has f_op->flock field # AC_DEFUN([LC_FUNC_F_OP_FLOCK], [AC_MSG_CHECKING([if struct file_operations has flock field]) LB_LINUX_TRY_COMPILE([ #include ],[ struct file_operations ll_file_operations_flock; ll_file_operations_flock.flock = NULL; ],[ AC_DEFINE(HAVE_F_OP_FLOCK, 1, [struct file_operations has flock field]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # vfs_symlink seems to have started out with 3 args until 2.6.7 where a # "mode" argument was added, but then again, in some later version it was # removed AC_DEFUN([LC_4ARGS_VFS_SYMLINK], [AC_MSG_CHECKING([if vfs_symlink wants 4 args]) LB_LINUX_TRY_COMPILE([ #include ],[ struct inode *dir; struct dentry *dentry; const char *oldname = NULL; int mode = 0; vfs_symlink(dir, dentry, oldname, mode); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_4ARGS_VFS_SYMLINK, 1, [vfs_symlink wants 4 args]) ],[ AC_MSG_RESULT(no) ]) ]) # 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]) ],[ ]) ]) # # LC_LINUX_FIEMAP_H # # If we have fiemap.h # after 2.6.27 use fiemap.h in include/linux # 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 ],[],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h]) ],[ AC_MSG_RESULT([no]) ]) ], []) ]) # 2.6.17 super_block use s_vfs_rename_mutex instead of s_vfs_rename_sem AC_DEFUN([LC_VFS_RENAME_MUTEX], [AC_MSG_CHECKING([super_block has s_vfs_rename_mutex]) LB_LINUX_TRY_COMPILE([ #include ],[ struct super_block sb; mutex_lock(&sb.s_vfs_rename_mutex); ],[ AC_DEFINE(HAVE_VFS_RENAME_MUTEX, 1, [super_block has s_vfs_rename_mutex]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_PROG_LINUX # # Lustre linux kernel checks # AC_DEFUN([LC_PROG_LINUX], [LC_LUSTRE_VERSION_H if test x$enable_server = xyes ; then AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server]) LC_FUNC_DEV_SET_RDONLY LC_STACK_SIZE LC_CONFIG_BACKINGFS fi LC_CONFIG_PINGER LC_CONFIG_CHECKSUM LC_CONFIG_LIBLUSTRE_RECOVERY LC_CONFIG_HEALTH_CHECK_WRITE LC_CONFIG_LRU_RESIZE LC_QUOTA_MODULE # RHEL4 patches LC_EXPORT_TRUNCATE_COMPLETE LC_EXPORT_TRUNCATE_RANGE LC_EXPORT_D_REHASH_COND LC_EXPORT___D_REHASH LC_EXPORT_D_MOVE_LOCKED LC_EXPORT___D_MOVE LC_EXPORT_NODE_TO_CPUMASK LC_HEADER_LDISKFS_XATTR LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP LC_STRUCT_STATFS LC_FILEMAP_POPULATE LC_D_ADD_UNIQUE LC_BIT_SPINLOCK_H LC_XATTR_ACL LC_POSIX_ACL_XATTR_H LC_CONST_ACL_SIZE LC_STRUCT_INTENT_FILE LC_CAPA_CRYPTO LC_CONFIG_RMTCLIENT LC_CONFIG_GSS LC_FUNC_MS_FLOCK_LOCK LC_FUNC_HAVE_CAN_SLEEP_ARG LC_FUNC_F_OP_FLOCK LC_QUOTA_READ LC_COOKIE_FOLLOW_LINK LC_FUNC_RCU LC_PERCPU_COUNTER LC_QUOTA64 LC_4ARGS_VFS_SYMLINK LC_NETLINK # does the kernel have VFS intent patches? LC_VFS_INTENT_PATCHES # ~2.6.11 LC_S_TIME_GRAN LC_SB_TIME_GRAN # 2.6.12 LC_RW_TREE_LOCK LC_EXPORT_SYNCHRONIZE_RCU # 2.6.15 LC_INODE_I_MUTEX # 2.6.16 LC_SECURITY_PLUG # for SLES10 SP2 # 2.6.17 LC_INODE_IPRIVATE LC_DQUOTOFF_MUTEX LC_VFS_RENAME_MUTEX # 2.6.18 LC_NR_PAGECACHE LC_STATFS_DENTRY_PARAM LC_VFS_KERN_MOUNT LC_INVALIDATEPAGE_RETURN_INT LC_UMOUNTBEGIN_HAS_VFSMOUNT LC_SEQ_LOCK LC_EXPORT_FILEMAP_FDATAWRITE_RANGE if test x$enable_server = xyes ; then LC_EXPORT_INVALIDATE_MAPPING_PAGES fi #2.6.18 + RHEL5 (fc6) LC_PG_FS_MISC LC_PAGE_CHECKED # 2.6.19 LC_INODE_BLKSIZE LC_VFS_READDIR_U64_INO 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_HAVE_EXPORTFS_H ]) # # 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 # # --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="$ac_configure_args --with-lustre-hack --with-sockets" LC_CONFIG_PINGER LC_CONFIG_LIBLUSTRE_RECOVERY ]) AC_DEFUN([LC_CONFIG_LRU_RESIZE], [AC_MSG_CHECKING([whether to enable lru self-adjusting]) AC_ARG_ENABLE([lru_resize], AC_HELP_STRING([--enable-lru-resize], [enable lru resize support]), [],[enable_lru_resize='yes']) AC_MSG_RESULT([$enable_lru_resize]) if test x$enable_lru_resize != xno; then AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support]) fi ]) # # LC_CONFIG_QUOTA # # whether to enable quota support global control # AC_DEFUN([LC_CONFIG_QUOTA], [AC_ARG_ENABLE([quota], AC_HELP_STRING([--enable-quota], [enable quota support]), [],[enable_quota='yes']) ]) # whether to enable quota support(kernel modules) AC_DEFUN([LC_QUOTA_MODULE], [if test x$enable_quota != xno; then LB_LINUX_CONFIG([QUOTA],[ enable_quota_module='yes' AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support]) ],[ enable_quota_module='no' AC_MSG_WARN([quota is not enabled because the kernel - lacks quota support]) ]) fi ]) 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])]) ]) AC_DEFUN([LC_QUOTA_READ], [AC_MSG_CHECKING([if kernel supports quota_read]) LB_LINUX_TRY_COMPILE([ #include ],[ struct super_operations sp; void *i = (void *)sp.quota_read; ],[ AC_MSG_RESULT([yes]) AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 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 ]) # # LC_COOKIE_FOLLOW_LINK # # kernel 2.6.13+ ->follow_link returns a cookie # AC_DEFUN([LC_COOKIE_FOLLOW_LINK], [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie]) LB_LINUX_TRY_COMPILE([ #include #include ],[ struct dentry dentry; struct nameidata nd; dentry.d_inode->i_op->put_link(&dentry, &nd, NULL); ],[ AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_FUNC_RCU # # kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE), # call_rcu takes three parameters. # AC_DEFUN([LC_FUNC_RCU], [AC_MSG_CHECKING([if kernel have RCU supported]) LB_LINUX_TRY_COMPILE([ #include ],[],[ AC_DEFINE(HAVE_RCU, 1, [have RCU defined]) AC_MSG_RESULT([yes]) AC_MSG_CHECKING([if call_rcu takes three parameters]) LB_LINUX_TRY_COMPILE([ #include ],[ struct rcu_head rh; call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL); ],[ AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_QUOTA64 # linux kernel have 64-bit limits support # AC_DEFUN([LC_QUOTA64], [if test x$enable_quota_module = xyes -a x$enable_server = xyes ; then AC_MSG_CHECKING([if kernel has 64-bit quota limits support]) LB_LINUX_TRY_COMPILE([ #include #include #include int versions[] = V2_INITQVERSIONS_R1; struct v2_disk_dqblk_r1 dqblk_r1; ],[],[ 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]) ]) fi ]) # LC_SECURITY_PLUG # for SLES10 SP2 # 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 ],[ struct dentry *dentry; struct vfsmount *mnt; struct iattr *iattr; notify_change(dentry, mnt, iattr); ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SECURITY_PLUG, 1, [SLES10 SP2 use extra parameter in vfs]) ],[ AC_MSG_RESULT(no) ]) ]) AC_DEFUN([LC_PERCPU_COUNTER], [AC_MSG_CHECKING([if have struct percpu_counter defined]) LB_LINUX_TRY_COMPILE([ #include ],[],[ AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found]) AC_MSG_RESULT([yes]) AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument]) LB_LINUX_TRY_COMPILE([ #include ],[ struct percpu_counter c; percpu_counter_init(&c, 0); ],[ AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two arguments]) AC_MSG_RESULT([yes]) ],[ AC_MSG_RESULT([no]) ]) ],[ AC_MSG_RESULT([no]) ]) ]) # # LC_NETLINK # # If we have netlink.h, and nlmsg_new takes 2 args # AC_DEFUN([LC_NETLINK], [AC_MSG_CHECKING([if netlink.h can be compiled]) LB_LINUX_TRY_COMPILE([ #include ],[],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_NETLINK, 1, [net/netlink.h found]) AC_MSG_CHECKING([if nlmsg_new takes a 2nd argument]) LB_LINUX_TRY_COMPILE([ #include ],[ nlmsg_new(100, GFP_KERNEL); ],[ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_NETLINK_NL2, 1, [nlmsg_new takes 2 args]) ],[ AC_MSG_RESULT([no]) ]) ],[ AC_MSG_RESULT([no]) ]) ]) # # 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 # 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$enable_lu_ref = xyes ; then AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code]) fi ]) # # LC_CONDITIONALS # # AM_CONDITIONALS for lustre # AC_DEFUN([LC_CONDITIONALS], [AM_CONDITIONAL(LIBLUSTRE, test x$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$enable_server = xyes) AM_CONDITIONAL(QUOTA, test x$enable_quota_module = 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) ]) # # 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/contrib/Makefile lustre/doc/Makefile lustre/include/Makefile lustre/include/lustre_ver.h lustre/include/linux/Makefile lustre/include/lustre/Makefile lustre/kernel_patches/targets/2.6-vanilla.target lustre/kernel_patches/targets/2.6-rhel4.target lustre/kernel_patches/targets/2.6-rhel5.target lustre/kernel_patches/targets/2.6-fc5.target lustre/kernel_patches/targets/2.6-patchless.target lustre/kernel_patches/targets/2.6-sles10.target lustre/kernel_patches/targets/2.6-oel5.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/mds/Makefile lustre/mds/autoMakefile lustre/mdt/Makefile lustre/mdt/autoMakefile lustre/cmm/Makefile lustre/cmm/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/obdfilter/Makefile lustre/obdfilter/autoMakefile lustre/osc/Makefile lustre/osc/autoMakefile lustre/ost/Makefile lustre/ost/autoMakefile lustre/osd/Makefile lustre/osd/autoMakefile lustre/mgc/Makefile lustre/mgc/autoMakefile lustre/mgs/Makefile lustre/mgs/autoMakefile 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 ]) case $lb_target_os in darwin) AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ]) ;; esac ])