# # 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="$PWD/lustre" AC_SUBST(LUSTRE) # mount.lustre rootsbindir='$(CROSS_PATH)/sbin' AC_SUBST(rootsbindir) demodir='$(docdir)/demo' AC_SUBST(demodir) pkgexampledir='${pkgdatadir}/examples' AC_SUBST(pkgexampledir) ]) # LC_PATH_DEFAULTS # # LC_TARGET_SUPPORTED # # is the target os supported? # AC_DEFUN([LC_TARGET_SUPPORTED], [ case $target_os in linux* | darwin*) $1 ;; *) $2 ;; esac ]) # LC_TARGET_SUPPORTED # # LC_CONFIG_OBD_BUFFER_SIZE # # the maximum buffer size of lctl ioctls # AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE], [ AC_MSG_CHECKING([for maximum OBD ioctl size]) AC_ARG_WITH([obd-buffer-size], AC_HELP_STRING([--with-obd-buffer-size=[size]], [set lctl ioctl maximum bytes (default=8192)]), [OBD_BUFFER_SIZE=$with_obd_buffer_size], [OBD_BUFFER_SIZE=8192]) AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes]) AC_DEFINE_UNQUOTED(CONFIG_LUSTRE_OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size]) ]) # LC_CONFIG_OBD_BUFFER_SIZE # # LC_GLIBC_SUPPORT_FHANDLES # AC_DEFUN([LC_GLIBC_SUPPORT_FHANDLES], [ AC_CHECK_FUNCS([name_to_handle_at], [AC_DEFINE(HAVE_FHANDLE_GLIBC_SUPPORT, 1, [file handle and related syscalls are supported])], [AC_MSG_WARN([file handle and related syscalls are not supported])]) ]) # LC_GLIBC_SUPPORT_FHANDLES # # 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_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])]) ]) # LC_FUNC_DEV_SET_RDONLY # # LC_STACK_SIZE # # Ensure stack size big than 8k in Lustre server (all kernels) # AC_DEFUN([LC_STACK_SIZE], [ LB_CHECK_COMPILE([if stack size big than 8k], stack_size_8k, [ #include ], [ #if THREAD_SIZE < 8192 #error "stack size < 8192" #endif ], [], [AC_MSG_ERROR([ Lustre requires that Linux is configured with at least a 8KB stack. ])]) ]) # LC_STACK_SIZE # # LC_MDS_MAX_THREADS # # Allow the user to set the MDS thread upper limit # AC_DEFUN([LC_MDS_MAX_THREADS], [ AC_MSG_CHECKING([for maximum number of MDS threads]) AC_ARG_WITH([mds_max_threads], AC_HELP_STRING([--with-mds-max-threads=count], [maximum threads available on the MDS: (default=512)]), [AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $with_mds_max_threads, [maximum number of MDS threads])]) AC_MSG_RESULT([$with_mds_max_threads]) ]) # LC_MDS_MAX_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 Lustre pinger support]) AC_ARG_ENABLE([pinger], AC_HELP_STRING([--disable-pinger], [disable recovery pinger support]), [], [enable_pinger="yes"]) AC_MSG_RESULT([$enable_pinger]) AS_IF([test "x$enable_pinger" != xno], [AC_DEFINE(ENABLE_PINGER, 1,[Use the Pinger])]) ]) # LC_CONFIG_PINGER # # 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([$enable_checksum]) AS_IF([test "x$enable_checksum" != xno], [AC_DEFINE(ENABLE_CHECKSUM, 1, [do data checksums])]) ]) # LC_CONFIG_CHECKSUM # # 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([$enable_health_write]) AS_IF([test "x$enable_health_write" != xno], [AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, [Write when Checking Health])]) ]) # LC_CONFIG_HEALTH_CHECK_WRITE # # LC_CONFIG_LRU_RESIZE # 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([$enable_lru_resize]) AS_IF([test "x$enable_lru_resize" != xno], [AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])]) ]) # LC_CONFIG_LRU_RESIZE # # LC_QUOTA_CONFIG # # Quota support. The kernel must support CONFIG_QUOTA. # AC_DEFUN([LC_QUOTA_CONFIG], [ LB_CHECK_CONFIG_IM([QUOTA], [], [AC_MSG_ERROR([ Lustre quota requires that CONFIG_QUOTA is enabled in your kernel. ])]) ]) # LC_QUOTA_CONFIG # # LC_EXPORT_TRUNCATE_COMPLETE_PAGE # # truncate_complete_page() has never been exported from an upstream kernel # 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_PAGE], [ LB_CHECK_EXPORT([truncate_complete_page], [mm/truncate.c], [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1, [kernel export truncate_complete_page])]) LB_CHECK_EXPORT([remove_from_page_cache], [mm/filemap.c], [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1, [kernel export remove_from_page_cache])]) LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c], [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1, [kernel export delete_from_page_cache])]) ]) # LC_EXPORT_TRUNCATE_COMPLETE_PAGE # # LC_CAPA_CRYPTO # AC_DEFUN([LC_CAPA_CRYPTO], [ LB_CHECK_CONFIG_IM([CRYPTO], [], [AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])]) LB_CHECK_CONFIG_IM([CRYPTO_HMAC], [], [AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])]) LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [], [AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])]) ]) # LC_CAPA_CRYPTO # # 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_CHECK_CONFIG_IM([CRYPTO_AES], [], [AC_MSG_WARN([ Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel. ])]) ]) # LC_CONFIG_RMTCLIENT # # LC_CONFIG_GSS_KEYRING # # default 'auto', tests for dependencies, if found, enables; # only called 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="auto"]) AC_MSG_RESULT([$enable_gss_keyring]) AS_IF([test "x$enable_gss_keyring" != xno], [ LB_CHECK_CONFIG_IM([KEYS], [], [ gss_keyring_conf_test="fail" AC_MSG_WARN([ GSS keyring backend require that CONFIG_KEYS be enabled in your kernel. ])]) AC_CHECK_LIB([keyutils], [keyctl_search], [], [ gss_keyring_conf_test="fail" AC_MSG_WARN([ libkeyutils is not found, which is required by gss keyring backend ])]) AS_IF([test "x$gss_keyring_conf_test" != xfail], [ AC_DEFINE([HAVE_GSS_KEYRING], [1], [Define this if you enable gss keyring backend]) enable_gss_keyring="yes" ], [ AS_IF([test "x$enable_gss_keyring" = xyes], [ AC_MSG_ERROR([ Cannot enable gss_keyring. See above for details. ]) ], [ AC_MSG_WARN([ Cannot enable gss keyring. See above for details. ]) ]) ]) ]) ]) # LC_CONFIG_GSS_KEYRING # # LC_CONFIG_SUNRPC # AC_DEFUN([LC_CONFIG_SUNRPC], [ LB_CHECK_CONFIG_IM([SUNRPC], [], [ AS_IF([test "x$sunrpc_required" = xyes], [ AC_MSG_ERROR([ kernel SUNRPC support is required by using GSS. ]) ])]) ]) # LC_CONFIG_SUNRPC # # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables)) # # Build gss and related tools of Lustre. Currently both kernel and user space # parts are depend on linux platform. # AC_DEFUN([LC_CONFIG_GSS], [ AC_MSG_CHECKING([whether to enable gss/krb5 support]) AC_ARG_ENABLE([gss], [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])], [], [enable_gss="auto"]) AC_MSG_RESULT([$enable_gss]) AS_IF([test "x$enable_gss" != xno], [ LC_CONFIG_GSS_KEYRING sunrpc_required=$enable_gss LC_CONFIG_SUNRPC sunrpc_required="no" LB_CHECK_CONFIG_IM([CRYPTO_MD5], [], [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])]) LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [], [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])]) LB_CHECK_CONFIG_IM([CRYPTO_SHA256], [], [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])]) LB_CHECK_CONFIG_IM([CRYPTO_SHA512], [], [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])]) require_krb5=$enable_gss AC_KERBEROS_V5 require_krb5="no" AS_IF([test -n "$KRBDIR"], [ AC_CHECK_LIB([gssapi], [gss_export_lucid_sec_context], [ GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi" gss_conf_test="success" ], [ AC_CHECK_LIB([gssglue], [gss_export_lucid_sec_context], [ GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue" gss_conf_test="success" ], [ AS_IF([test "x$enable_gss" = xyes], [ AC_MSG_ERROR([ libgssapi or libgssglue is not found, which is required by GSS. ]) ], [ AC_MSG_WARN([ libgssapi or libgssglue is not found, which is required by GSS. ]) ]) ]) ]) AC_SUBST(GSSAPI_LIBS) ]) AS_IF([test "x$gss_conf_test" = xsuccess], [ AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss]) enable_gss="yes" ]) ]) ]) # LC_CONFIG_GSS # # LC_INODE_PERMISION_2ARGS # # up to v2.6.27 had a 3 arg version (inode, mask, nameidata) # v2.6.27->v2.6.37 had a 2 arg version (inode, mask) # v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata) # v3.1 onward have a 2 arg version (inode, mask) # AC_DEFUN([LC_INODE_PERMISION_2ARGS], [ LB_CHECK_COMPILE([if 'inode_operations->permission' has two args], inode_ops_permission_2args, [ #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]) ]) ]) # LC_INODE_PERMISION_2ARGS # # LC_BLK_QUEUE_MAX_SEGMENTS # # 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], [ LB_CHECK_COMPILE([if 'blk_queue_max_segments' is defined], blk_queue_max_segments, [ #include ],[ blk_queue_max_segments(NULL, 0); ],[ AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1, [blk_queue_max_segments is defined]) ]) ]) # LC_BLK_QUEUE_MAX_SEGMENTS # # LC_HAVE_DQUOT_FS_DISK_QUOTA # # 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="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct fs_disk_quota], fs_disk_quota, [ #include #include ],[ ((struct quotactl_ops *)0)->set_dqblk(NULL, 0, 0, (struct fs_disk_quota*)0); ],[ AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota]) ],[ LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct kqid & fs_disk_quota], kqid_fs_disk_quota, [ #include #include ],[ ((struct quotactl_ops *)0)->set_dqblk((struct super_block*)0, *((struct kqid*)0), (struct fs_disk_quota*)0); ],[ AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota]) AC_DEFINE(HAVE_DQUOT_KQID, 1, [quotactl_ops.set_dqblk takes struct kqid]) ]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # LC_HAVE_DQUOT_FS_DISK_QUOTA # # LC_HAVE_DQUOT_SUSPEND # # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend # AC_DEFUN([LC_HAVE_DQUOT_SUSPEND], [ LB_CHECK_COMPILE([if 'dquot_suspend' is defined], dquot_suspend, [ #include ],[ dquot_suspend(NULL, -1); ],[ AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined]) ]) ]) # LC_HAVE_DQUOT_SUSPEND # # 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], [ tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-I$LINUX/fs" LB_CHECK_COMPILE([if kernel has 64-bit quota limits support], quota64, [ #include #include #if defined(HAVE_FS_QUOTA_QUOTAIO_H) #include struct v2r1_disk_dqblk dqblk_r1; #else #include int ver = QFMT_VFS_V1; #endif ], [], [ AC_DEFINE(HAVE_QUOTA64, 1, [have quota64]) ],[ LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h], [AC_MSG_ERROR([You have got no 64-bit kernel quota support.])]) ]) EXTRA_KCFLAGS=$tmp_flags ]) # LC_QUOTA64 # # LC_FS_STRUCT_RWLOCK # # 2.6.36 fs_struct.lock use spinlock instead of rwlock. # AC_DEFUN([LC_FS_STRUCT_RWLOCK], [ LB_CHECK_COMPILE([if 'fs_struct.lock' use rwlock], fs_struct_rwlock, [ #include #include #include ],[ ((struct fs_struct *)0)->lock = (rwlock_t){ 0 }; ],[ AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1, [fs_struct.lock use rwlock]) ]) ]) # LC_FS_STRUCT_RWLOCK # # LC_SBOPS_EVICT_INODE # # 2.6.36 super_operations add evict_inode method. it hybird of # delete_inode & clear_inode. # AC_DEFUN([LC_SBOPS_EVICT_INODE], [ LB_CHECK_COMPILE([if 'super_operations.evict_inode' exist], super_ops_evict_inode, [ #include ],[ ((struct super_operations *)0)->evict_inode(NULL); ],[ AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1, [super_operations.evict_inode() is exist in kernel]) ]) ]) # LC_SBOPS_EVICT_INODE # # LC_FILE_FSYNC # # 2.6.35 file_operations.fsync taken 2 arguments. # 3.0.0 file_operations.fsync takes 4 arguments. # AC_DEFUN([LC_FILE_FSYNC], [ LB_CHECK_COMPILE([if 'file_operations.fsync' takes 4 arguments], file_ops_fsync_4args, [ #include ],[ ((struct file_operations *)0)->fsync(NULL, 0, 0, 0); ],[ AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1, [file_operations.fsync takes 4 arguments]) ],[ LB_CHECK_COMPILE([if 'file_operations.fsync' takes 2 arguments], file_ops_fsync_2args, [ #include ],[ ((struct file_operations *)0)->fsync(NULL, 0); ],[ AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1, [file_operations.fsync takes 2 arguments]) ]) ]) ]) # LC_FILE_FSYNC # # LC_KERNEL_LOCKED # # 2.6.37 remove kernel_locked # AC_DEFUN([LC_KERNEL_LOCKED], [ LB_CHECK_COMPILE([if 'kernel_locked' is defined], kernel_locked, [ #include ],[ kernel_locked(); ],[ AC_DEFINE(HAVE_KERNEL_LOCKED, 1, [kernel_locked is defined]) ]) ]) # LC_KERNEL_LOCKED # # LC_D_COMPARE_7ARGS # # 2.6.38 dentry_operations.d_compare() taken 7 arguments. # AC_DEFUN([LC_D_COMPARE_7ARGS], [ LB_CHECK_COMPILE([if 'dentry_operations.d_compare()' taken 7 arguments], dentry_ops_d_compare_7arg, [ #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]) ]) ]) # LC_D_COMPARE_7ARGS # # LC_D_DELETE_CONST # # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter. # AC_DEFUN([LC_D_DELETE_CONST], [ tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_CHECK_COMPILE([if 'dentry_operations.d_delete()' has const declare on first parameter], dentry_ops_d_delete_1st_const, [ #include ],[ const struct dentry *d = NULL; ((struct dentry_operations*)0)->d_delete(d); ],[ AC_DEFINE(HAVE_D_DELETE_CONST, const, [d_delete first parameter declared const]) ],[ AC_DEFINE(HAVE_D_DELETE_CONST, [], [d_delete first parameter declared is not const]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # LC_D_DELETE_CONST # # LC_DCACHE_LOCK # # 2.6.38 dcache_lock removed. rcu-walk commited. # AC_DEFUN([LC_DCACHE_LOCK], [ LB_CHECK_COMPILE([if 'dcache_lock' is exist], dcache_lock, [ #include ],[ spin_lock(&dcache_lock); ],[ AC_DEFINE(HAVE_DCACHE_LOCK, 1, [dcache_lock is exist]) ]) ]) # LC_DCACHE_LOCK # # LC_INODE_I_RCU # # 2.6.38 inode.i_rcu added. # AC_DEFUN([LC_INODE_I_RCU], [ LB_CHECK_COMPILE([if 'inode.i_rcu' exists], inode_i_rcu, [ #include ],[ struct inode ino; struct rcu_head rcu = {}; ino.i_rcu = rcu; ],[ AC_DEFINE(HAVE_INODE_I_RCU, 1, [inode.i_rcu exists]) ]) ]) # LC_INODE_I_RCU # # LC_BLKDEV_GET_BY_DEV # # 2.6.38 export blkdev_get_by_dev # AC_DEFUN([LC_BLKDEV_GET_BY_DEV], [ LB_CHECK_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])]) ]) # LC_BLKDEV_GET_BY_DEV # # LC_EXPORT_SIMPLE_SETATTR # # 2.6.38 export simple_setattr # AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR], [ LB_CHECK_EXPORT([simple_setattr], [fs/libfs.c], [AC_DEFINE(HAVE_SIMPLE_SETATTR, 1, [simple_setattr is exported by the kernel])]) ]) # LC_EXPORT_SIMPLE_SETATTR # # LC_IOP_TRUNCATE # # truncate callback removed since 2.6.39 # AC_DEFUN([LC_IOP_TRUNCATE], [ LB_CHECK_COMPILE([if 'inode_operations' has '.truncate' member function], inode_ops_truncate, [ #include ],[ ((struct inode_operations *)0)->truncate(NULL); ],[ AC_DEFINE(HAVE_INODEOPS_TRUNCATE, 1, [inode_operations has .truncate member function]) ]) ]) # LC_IOP_TRUNCATE # # LC_REQUEST_QUEUE_UNPLUG_FN # # 2.6.39 remove unplug_fn from request_queue. # AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN], [ LB_CHECK_COMPILE([if 'request_queue' has 'unplug_fn' field], request_queue_unplug_fn, [ #include ],[ do {} while(sizeof(((struct request_queue *)0)->unplug_fn)); ],[ AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1, [request_queue has unplug_fn field]) ]) ]) # LC_REQUEST_QUEUE_UNPLUG_FN # # LC_HAVE_FSTYPE_MOUNT # # 2.6.39 replace get_sb with mount in struct file_system_type # AC_DEFUN([LC_HAVE_FSTYPE_MOUNT], [ LB_CHECK_COMPILE([if 'file_system_type' has 'mount' field], file_system_type_mount, [ #include ],[ struct file_system_type fst; void *i = (void *) fst.mount; ],[ AC_DEFINE(HAVE_FSTYPE_MOUNT, 1, [struct file_system_type has mount field]) ]) ]) # LC_HAVE_FSTYPE_MOUNT # # LC_HAVE_FHANDLE_SYSCALLS # # 2.6.39 The open_by_handle_at() and name_to_handle_at() system calls were # added to Linux kernel 2.6.39. # Check if client supports these functions # AC_DEFUN([LC_HAVE_FHANDLE_SYSCALLS], [ LB_CHECK_CONFIG_IM([FHANDLE],[ AC_DEFINE(HAVE_FHANDLE_SYSCALLS, 1, [kernel supports fhandles and related syscalls]) ]) ]) # LC_HAVE_FHANDLE_SYSCALLS # # LC_HAVE_INODE_OWNER_OR_CAPABLE # # 2.6.39 renames is_owner_or_cap to inode_owner_or_capable # AC_DEFUN([LC_HAVE_INODE_OWNER_OR_CAPABLE], [ LB_CHECK_COMPILE([if 'inode_owner_or_capable' exist], inode_owner_or_capable, [ #include ],[ inode_owner_or_capable(NULL); ],[ AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1, [inode_owner_or_capable exist]) ]) ]) # LC_HAVE_INODE_OWNER_OR_CAPABLE # # LC_DIRTY_INODE_WITH_FLAG # # 3.0 dirty_inode() has a flag parameter # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0 # AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG], [ LB_CHECK_COMPILE([if 'dirty_inode' super_operation takes flag], dirty_inode_super_operation_flag, [ #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]) ]) ]) # LC_DIRTY_INODE_WITH_FLAG # # LC_GENERIC_PERMISSION # # 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], [ LB_CHECK_COMPILE([if 'generic_permission' take 2 arguments], generic_permission_2args, [ #include ],[ generic_permission(NULL, 0); ],[ AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1, [generic_permission taken 2 arguments]) ],[ LB_CHECK_COMPILE([if 'generic_permission' take 4 arguments], generic_permission_4args, [ #include ],[ generic_permission(NULL, 0, 0, NULL); ],[ AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1, [generic_permission taken 4 arguments]) ]) ]) ]) # LC_GENERIC_PERMISSION # # LC_LM_XXX_LOCK_MANAGER_OPS # # 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], [ LB_CHECK_COMPILE([if 'lock-manager' ops renamed to 'lm_xxx'], lock_manager_ops_lm_xxx, [ #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]) ]) ]) # LC_LM_XXX_LOCK_MANAGER_OPS # # LC_INODE_DIO_WAIT # # 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], [ LB_CHECK_COMPILE([if 'inode->i_alloc_sem' is killed and use inode_dio_wait/done], inode_dio_wait, [ #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]) ]) ]) # LC_INODE_DIO_WAIT # # LC_IOP_GET_ACL # # 3.1 adds get_acl method to inode_operations to read ACL from disk. # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085 # AC_DEFUN([LC_IOP_GET_ACL], [ LB_CHECK_COMPILE([if 'inode_operations' has '.get_acl' member function], inode_ops_get_acl, [ #include ],[ struct inode_operations iop; iop.get_acl = NULL; ],[ AC_DEFINE(HAVE_IOP_GET_ACL, 1, [inode_operations has .get_acl member function]) ]) ]) # LC_IOP_GET_ACL # # LC_FILE_LLSEEK_SIZE # # 3.1 introduced generic_file_llseek_size() # AC_DEFUN([LC_FILE_LLSEEK_SIZE], [ LB_CHECK_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])]) ]) # LC_FILE_LLSEEK_SIZE # # LC_RADIX_EXCEPTION_ENTRY # 3.1 adds radix_tree_exception_entry. # AC_DEFUN([LC_RADIX_EXCEPTION_ENTRY], [ LB_CHECK_COMPILE([radix_tree_exceptional_entry exist], radix_tree_exceptional_entry, [ #include ],[ radix_tree_exceptional_entry(NULL); ],[ AC_DEFINE(HAVE_RADIX_EXCEPTION_ENTRY, 1, [radix_tree_exceptional_entry exist]) ]) ]) # LC_RADIX_EXCEPTION_ENTRY # # LC_HAVE_VOID_MAKE_REQUEST_FN # # 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], [ LB_CHECK_COMPILE([if 'request_queue.make_request_fn' returns void but not int], make_request_fn_void, [ #include ],[ int ret; make_request_fn *mrf; ret = mrf(NULL, NULL); ],[],[ AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1, [request_queue.make_request_fn returns void but not int]) ]) ]) # LC_HAVE_VOID_MAKE_REQUEST_FN # # LC_HAVE_PROTECT_I_NLINK # # 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], [ LB_CHECK_COMPILE([if 'inode->i_nlink' is protected from direct modification], inode_i_nlink_protected, [ #include ],[ struct inode i; set_nlink(&i, 1); ],[ AC_DEFINE(HAVE_PROTECT_I_NLINK, 1, [inode->i_nlink is protected from direct modification]) ]) ]) # LC_HAVE_PROTECT_I_NLINK # # LC_HAVE_MIGRATE_HEADER # # 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]) ]) ]) ]) # LC_HAVE_MIGRATE_HEADER # # LC_MIGRATEPAGE_4ARGS # AC_DEFUN([LC_MIGRATEPAGE_4ARGS], [ LB_CHECK_COMPILE([if 'address_space_operations.migratepage' has 4 args], address_space_ops_migratepage_4args, [ #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]) ]) ]) # LC_MIGRATEPAGE_4ARGS # # LC_SUPEROPS_USE_DENTRY # # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount) # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4 # AC_DEFUN([LC_SUPEROPS_USE_DENTRY], [ tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_CHECK_COMPILE([if 'super_operations' use 'dentry' as parameter], super_ops_dentry, [ #include int show_options(struct seq_file *seq, struct dentry *root) { return 0; } ],[ struct super_operations ops; ops.show_options = show_options; ],[ AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1, [super_operations use dentry as parameter]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # LC_SUPEROPS_USE_DENTRY # # LC_INODEOPS_USE_UMODE_T # # 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], [ tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_CHECK_COMPILE([if 'inode_operations' use 'umode_t' as parameter], inode_ops_umode_t, [ #include #include int my_mknod(struct inode *dir, struct dentry *dchild, umode_t mode, dev_t dev) { return 0; } ],[ struct inode_operations ops; ops.mknod = my_mknod; ],[ AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1, [inode_operations use umode_t as parameter]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # LC_INODEOPS_USE_UMODE_T # # LC_KMAP_ATOMIC_HAS_1ARG # # 3.4 kmap_atomic removes second argument # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f # AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG], [ LB_CHECK_COMPILE([if 'kmap_atomic' has only 1 argument], kmap_atomic_1arg, [ #include ],[ kmap_atomic(NULL); ],[ AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1, [have kmap_atomic has only 1 argument]) ]) ]) # LC_KMAP_ATOMIC_HAS_1ARG # # LC_HAVE_D_MAKE_ROOT # # 3.4 converts d_alloc_root to d_make_root # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b # AC_DEFUN([LC_HAVE_D_MAKE_ROOT], [ LB_CHECK_COMPILE([if have 'd_make_root'], d_make_root, [ #include ],[ d_make_root((struct inode *)NULL); ],[ AC_DEFINE(HAVE_D_MAKE_ROOT, 1, [have d_make_root]) ]) ]) # LC_HAVE_D_MAKE_ROOT # # LC_HAVE_CACHE_REGISTER # # 3.4 cache_register/cache_unregister are removed # see kernel commit 2c5f846747526e2b83c5f1b8e69016be0e2e87c0 # Note, since 2.6.37 cache_register_net/cache_unregister_net # are defined, but not exported. # 3.3 cache_register_net/cache_unregister_net are # exported and replacing cache_register/cache_unregister in 3.4 # AC_DEFUN([LC_HAVE_CACHE_REGISTER], [ LB_CHECK_COMPILE([if have 'cache_register'], cache_register, [ #include ],[ cache_register(NULL); ],[ AC_DEFINE(HAVE_CACHE_REGISTER, 1, [have cache_register]) ]) ]) # LC_HAVE_CACHE_REGISTER # # LC_HAVE_CLEAR_INODE # # 3.5 renames end_writeback() back to clear_inode()... # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430 # AC_DEFUN([LC_HAVE_CLEAR_INODE], [ LB_CHECK_COMPILE([if have 'clear_inode'], clear_inode, [ #include ],[ clear_inode((struct inode *)NULL); ],[ AC_DEFINE(HAVE_CLEAR_INODE, 1, [have clear_inode]) ]) ]) # LC_HAVE_CLEAR_INODE # # LC_HAVE_ENCODE_FH_PARENT # # 3.5 encode_fh has parent inode passed in directly # see kernel commit b0b0382b # AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT], [ tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_CHECK_COMPILE([if 'encode_fh' have parent inode as parameter], encode_fh_parent_inode, [ #include #include #include int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p) { return 0; } ],[ struct export_operations exp_op; exp_op.encode_fh = ll_encode_fh; ],[ AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1, [have parent inode as parameter]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # LC_HAVE_ENCODE_FH_PARENT # # LC_FILE_LLSEEK_SIZE_5ARG # # 3.5 has generic_file_llseek_size with 5 args # AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG], [ LB_CHECK_COMPILE([if Linux kernel has 'generic_file_llseek_size' with 5 args], generic_file_llseek_size_5args, [ #include ],[ generic_file_llseek_size(NULL, 0, 0, 0, 0); ], [ AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1, [kernel has generic_file_llseek_size with 5 args]) ]) ]) # LC_FILE_LLSEEK_SIZE_5ARG # # LC_HAVE_DENTRY_D_ALIAS_HLIST # # 3.6 switch i_dentry/d_alias from list to hlist # AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST], [ tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_CHECK_COMPILE([if 'i_dentry/d_alias' uses 'hlist'], i_dentry_d_alias_hlist, [ #include #include ],[ struct inode inode; struct dentry dentry; struct hlist_head head; struct hlist_node node; inode.i_dentry = head; dentry.d_alias = node; ],[ AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1, [have i_dentry/d_alias uses hlist]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # LC_HAVE_DENTRY_D_ALIAS_HLIST # # LC_DENTRY_OPEN_USE_PATH # # 3.6 dentry_open uses struct path as first argument # see kernel commit 765927b2 # AC_DEFUN([LC_DENTRY_OPEN_USE_PATH], [ tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" LB_CHECK_COMPILE([if 'dentry_open' uses 'struct path' as first argument], dentry_open_path, [ #include #include ],[ struct path path; dentry_open(&path, 0, NULL); ],[ AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1, [dentry_open uses struct path as first argument]) ]) EXTRA_KCFLAGS="$tmp_flags" ]) # LC_DENTRY_OPEN_USE_PATH # # LC_HAVE_IOP_ATOMIC_OPEN # # 3.6 vfs adds iop->atomic_open # AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN], [ LB_CHECK_COMPILE([if 'iop' has 'atomic_open'], inode_ops_atomic_open, [ #include ],[ struct inode_operations iop; iop.atomic_open = NULL; ],[ AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1, [have iop atomic_open]) ]) ]) # LC_HAVE_IOP_ATOMIC_OPEN # # LC_HAVE_POSIXACL_USER_NS # # 3.7 posix_acl_{to,from}_xattr take struct user_namespace # AC_DEFUN([LC_HAVE_POSIXACL_USER_NS], [ LB_CHECK_COMPILE([if 'posix_acl_to_xattr' takes 'struct user_namespace'], posix_acl_to_xattr_user_namespace, [ #include #include ],[ posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0); ],[ AC_DEFINE(HAVE_POSIXACL_USER_NS, 1, [posix_acl_to_xattr takes struct user_namespace]) ]) ]) # LC_HAVE_POSIXACL_USER_NS # # LC_HAVE_FILE_F_INODE # # 3.8 struct file has new member f_inode # AC_DEFUN([LC_HAVE_FILE_F_INODE], [ LB_CHECK_COMPILE([if 'struct file' has memeber 'f_inode'], file_f_inode, [ #include ],[ ((struct file *)0)->f_inode = NULL; ],[ AC_DEFINE(HAVE_FILE_F_INODE, 1, [struct file has memeber f_inode]) ]) ]) # LC_HAVE_FILE_F_INODE # # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS # AC_DEFUN([LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS], [ LB_CHECK_COMPILE([if 'sunrpc_cache_pipe_upcall' takes 3 args], sunrpc_cache_pipe_upcall_3args, [ #include ],[ sunrpc_cache_pipe_upcall(NULL, NULL, NULL); ],[ AC_DEFINE(HAVE_SUNRPC_UPCALL_HAS_3ARGS, 1, [sunrpc_cache_pipe_upcall takes 3 args]) ]) ]) # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS # # LC_HAVE_HLIST_FOR_EACH_3ARG # # 3.9 uses hlist_for_each_entry with 3 args # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a # AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG], [ LB_CHECK_COMPILE([if 'hlist_for_each_entry' has 3 args], hlist_for_each_entry_3args, [ #include #include ],[ struct inode *inode; struct dentry *dentry; hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) { continue; } ],[ AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1, [hlist_for_each_entry has 3 args]) ]) ]) # LC_HAVE_HLIST_FOR_EACH_3ARG # # LC_HAVE_ONLY_PROCFS_SEQ # # 3.10+ only supports procfs seq_files handling # AC_DEFUN([LC_HAVE_ONLY_PROCFS_SEQ], [ LB_CHECK_COMPILE([if procfs only supports using 'seq_files'], only_procfs_seq_files, [ #include ],[ ((struct proc_dir_entry *)0)->write_proc(NULL, NULL, 0, NULL); ], [], [ AC_DEFINE(HAVE_ONLY_PROCFS_SEQ, 1, [only seq_files supported]) ]) ]) # LC_HAVE_ONLY_PROCFS_SEQ # # LC_BLKDEV_RELEASE_RETURN_INT # # 3.10 release for block device doesn't return int # AC_DEFUN([LC_BLKDEV_RELEASE_RETURN_INT], [ LB_CHECK_COMPILE([if 'block_device_operations' release returns 'int'], block_device_ops_release_return_int, [ #include ],[ struct block_device_operations fops; int i __attribute__ ((unused)); i = fops.release(NULL, 0); ],[ AC_DEFINE(HAVE_BLKDEV_RELEASE_RETURN_INT, 1, [block device release returns int]) ]) ]) # LC_BLKDEV_RELEASE_RETURN_INT # # LC_INVALIDATE_RANGE # # 3.11 invalidatepage requires the length of the range to invalidate # AC_DEFUN([LC_INVALIDATE_RANGE], [ LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments], address_space_ops_invalidatepage_3args, [ #include ],[ struct address_space_operations a_ops; a_ops.invalidatepage(NULL, 0, 0); ],[ AC_DEFINE(HAVE_INVALIDATE_RANGE, 1, [address_space_operations.invalidatepage needs 3 arguments]) ]) ]) # LC_INVALIDATE_RANGE # # LC_HAVE_DIR_CONTEXT # # 3.11 readdir now takes the new struct dir_context # AC_DEFUN([LC_HAVE_DIR_CONTEXT], [ LB_CHECK_COMPILE([if 'dir_context' exist], dir_context, [ #include ],[ struct dir_context ctx; ctx.pos = 0; ],[ AC_DEFINE(HAVE_DIR_CONTEXT, 1, [dir_context exist]) ]) ]) # LC_HAVE_DIR_CONTEXT # # LC_D_COMPARE_5ARGS # # 3.11 dentry_operations.d_compare() taken 5 arguments. # AC_DEFUN([LC_D_COMPARE_5ARGS], [ LB_CHECK_COMPILE([if 'd_compare' taken 5 arguments], d_compare_5args, [ #include ],[ ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL); ],[ AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1, [d_compare need 5 arguments]) ]) ]) # LC_D_COMPARE_5ARGS # # LC_HAVE_DCOUNT # # 3.11 need to access d_count to get dentry reference count # AC_DEFUN([LC_HAVE_DCOUNT], [ LB_CHECK_COMPILE([if 'd_count' exist], d_count, [ #include ],[ struct dentry de; d_count(&de); ],[ AC_DEFINE(HAVE_D_COUNT, 1, [d_count exist]) ]) ]) # LC_HAVE_DCOUNT # # LC_OLDSIZE_TRUNCATE_PAGECACHE # # 3.12 truncate_pagecache without oldsize parameter # AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [ LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter], truncate_pagecache_old_size, [ #include ],[ truncate_pagecache(NULL, 0, 0); ],[ AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1, [with oldsize]) ]) ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE # # LC_KIOCB_KI_LEFT # # 3.12 ki_left removed from struct kiocb # AC_DEFUN([LC_KIOCB_KI_LEFT], [ LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member], kiocb_ki_left, [ #include ],[ ((struct kiocb*)0)->ki_left = 0; ],[ AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1, [ki_left exist]) ]) ]) # LC_KIOCB_KI_LEFT # # LC_VFS_RENAME_5ARGS # # 3.13 has vfs_rename with 5 args # AC_DEFUN([LC_VFS_RENAME_5ARGS], [ LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args], vfs_rename_5args, [ #include ],[ vfs_rename(NULL, NULL, NULL, NULL, NULL); ], [ AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1, [kernel has vfs_rename with 5 args]) ]) ]) # LC_VFS_RENAME_5ARGS # # LC_VFS_UNLINK_3ARGS # # 3.13 has vfs_unlink with 3 args # AC_DEFUN([LC_VFS_UNLINK_3ARGS], [ LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args], vfs_unlink_3args, [ #include ],[ vfs_unlink(NULL, NULL, NULL); ], [ AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1, [kernel has vfs_unlink with 3 args]) ]) ]) # LC_VFS_UNLINK_3ARGS # # LC_HAVE_BVEC_ITER # # 3.14 move some of its data in struct bio into the new # struct bvec_iter # AC_DEFUN([LC_HAVE_BVEC_ITER], [ LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter], have_bvec_iter, [ #include ],[ struct bvec_iter iter; iter.bi_bvec_done = 0; ], [ AC_DEFINE(HAVE_BVEC_ITER, 1, [kernel has struct bvec_iter]) ]) ]) # LC_HAVE_BVEC_ITER # # LC_VFS_RENAME_6ARGS # # 3.15 has vfs_rename with 6 args # AC_DEFUN([LC_VFS_RENAME_6ARGS], [ LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args], vfs_rename_6args, [ #include ],[ vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL); ], [ AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1, [kernel has vfs_rename with 6 args]) ]) ]) # LC_VFS_RENAME_6ARGS # # LC_PROG_LINUX # # Lustre linux kernel checks # AC_DEFUN([LC_PROG_LINUX], [ AC_MSG_NOTICE([Lustre kernel checks ==============================================================================]) LC_CONFIG_PINGER LC_CONFIG_CHECKSUM LC_CONFIG_HEALTH_CHECK_WRITE LC_CONFIG_LRU_RESIZE LC_LLITE_LLOOP_MODULE LC_GLIBC_SUPPORT_FHANDLES LC_CAPA_CRYPTO LC_CONFIG_RMTCLIENT LC_CONFIG_GSS # 2.6.32 LC_BLK_QUEUE_MAX_SEGMENTS # 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 LC_EXPORT_TRUNCATE_COMPLETE_PAGE # 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_DCACHE_LOCK LC_INODE_I_RCU LC_D_COMPARE_7ARGS LC_D_DELETE_CONST # 2.6.39 LC_REQUEST_QUEUE_UNPLUG_FN LC_HAVE_FHANDLE_SYSCALLS LC_HAVE_FSTYPE_MOUNT LC_IOP_TRUNCATE LC_HAVE_INODE_OWNER_OR_CAPABLE # 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 LC_INODE_PERMISION_2ARGS LC_RADIX_EXCEPTION_ENTRY # 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 LC_HAVE_CACHE_REGISTER # 3.4 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 # 3.7 LC_HAVE_POSIXACL_USER_NS # 3.8 LC_HAVE_FILE_F_INODE LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS # 3.9 LC_HAVE_HLIST_FOR_EACH_3ARG # 3.10 LC_HAVE_ONLY_PROCFS_SEQ LC_BLKDEV_RELEASE_RETURN_INT # 3.11 LC_INVALIDATE_RANGE LC_HAVE_DIR_CONTEXT LC_D_COMPARE_5ARGS LC_HAVE_DCOUNT # 3.12 LC_OLDSIZE_TRUNCATE_PAGECACHE LC_KIOCB_KI_LEFT # 3.13 LC_VFS_RENAME_5ARGS LC_VFS_UNLINK_3ARGS # 3.14 LC_HAVE_BVEC_ITER # 3.15 LC_VFS_RENAME_6ARGS # AS_IF([test "x$enable_server" != xno], [ LC_FUNC_DEV_SET_RDONLY LC_STACK_SIZE LC_QUOTA64 LC_QUOTA_CONFIG ]) ]) # LC_PROG_LINUX # # LC_CONFIG_CLIENT # # Check whether to build the client side of Lustre # AC_DEFUN([LC_CONFIG_CLIENT], [ AC_MSG_CHECKING([whether to build Lustre client support]) AC_ARG_ENABLE([client], AC_HELP_STRING([--disable-client], [disable Lustre client support]), [], [enable_client="yes"]) AC_MSG_RESULT([$enable_client]) ]) # LC_CONFIG_CLIENT # # --enable-mpitests # AC_DEFUN([LB_CONFIG_MPITESTS], [ AC_ARG_ENABLE([mpitests], AC_HELP_STRING([--enable-mpitests=], [include mpi tests]), [ enable_mpitests="yes" case $enableval in yes) MPICC_WRAPPER="mpicc" ;; no) enable_mpitests="no" ;; *) MPICC_WRAPPER=$enableval ;; esac ], [ enable_mpitests="yes" MPICC_WRAPPER="mpicc" ]) if test "x$enable_mpitests" != "xno"; then oldcc=$CC CC=$MPICC_WRAPPER AC_CACHE_CHECK([whether mpitests can be built], lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([ #include int main(void) { int flag; MPI_Initialized(&flag); return 0; } ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no" enable_mpitests=$lb_cv_mpi_tests]) ]) CC=$oldcc fi AC_SUBST(MPICC_WRAPPER) ]) # LB_CONFIG_MPITESTS # # LC_CONFIG_QUOTA # # whether to enable quota support global control # AC_DEFUN([LC_CONFIG_QUOTA], [ AC_MSG_CHECKING([whether to enable quota support global control]) AC_ARG_ENABLE([quota], AC_HELP_STRING([--enable-quota], [enable quota support]), [], [enable_quota="yes"]) AS_IF([test "x$enable_quota" = xyes], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])]) ]) # LC_CONFIG_QUOTA # # LC_QUOTA # AC_DEFUN([LC_QUOTA], [ #check global LC_CONFIG_QUOTA #check for utils AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [ 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_QUOTA # # 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([$enable_split]) AS_IF([test "x$enable_split" != xno], [AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])]) ]) # LC_CONFIG_SPLIT # # LC_CONFIG_NODEMAP_PROC_DEBUG # # enable nodemap proc file debugging # AC_DEFUN([LC_NODEMAP_PROC_DEBUG], [ AC_MSG_CHECKING([whether to enable nodemap proc debug]) AC_ARG_ENABLE([nodemap_proc_debug], AC_HELP_STRING([--enable-nodemap-proc-debug], [enable nodemap proc debug]), [], [enable_nodemap_proc_debug="no"]) AC_MSG_RESULT([$enable_nodemap_proc_debug]) AS_IF([test "x$enable_nodemap_proc_debug" != xno], [AC_DEFINE(NODEMAP_PROC_DEBUG, 1, [enable nodemap proc debug support])]) ]) # LC_NODEMAP_PROC_DEBUG # # LC_LLITE_LLOOP_MODULE # # lloop_llite.ko does not currently work with page sizes # of 64k or larger. # AC_DEFUN([LC_LLITE_LLOOP_MODULE], [ LB_CHECK_COMPILE([whether to enable 'llite_lloop' module], enable_llite_lloop_module, [ #include ],[ #if PAGE_SIZE >= 65536 #error "PAGE_SIZE >= 65536" #endif ], [enable_llite_lloop_module="yes"], [enable_llite_lloop_module="no"]) ]) # LC_LLITE_LLOOP_MODULE # # LC_OSD_ADDON # # configure support for optional OSD implementation # AC_DEFUN([LC_OSD_ADDON], [ AC_MSG_CHECKING([whether to use OSD addon]) 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 ]) AS_IF([test $ENABLEOSDADDON -eq 0], [ AC_MSG_RESULT([no]) OSDADDON="" ], [ OSDMODNAME=$(basename $OSDADDON) AS_IF([test -e $LUSTRE/$OSDMODNAME], [ AC_MSG_RESULT([can't link]) OSDADDON="" ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [ AC_MSG_RESULT([$OSDMODNAME]) OSDADDON="subdir-m += $OSDMODNAME" ], [ AC_MSG_RESULT([can't link]) OSDADDON="" ]) ]) AC_SUBST(OSDADDON) ]) # LC_OSD_ADDON # # LC_CONFIGURE # # other configure checks # AC_DEFUN([LC_CONFIGURE], [ AC_MSG_NOTICE([Lustre core checks ==============================================================================]) LC_CONFIG_OBD_BUFFER_SIZE AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"], [CFLAGS="$CFLAGS -Werror"]) # maximum MDS thread count LC_MDS_MAX_THREADS # libcfs/include/libcfs/posix/libcfs.h # lustre/utils/llverdev.c AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h]) # libcfs/include/libcfs/linux/linux-prim.h, ... AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h]) # libcfs/libcfs/user-tcpip.c AC_CHECK_HEADERS([netinet/in.h]) AC_CHECK_FUNCS([inet_ntoa]) # libcfs/include/libcfs/linux/linux-prim.h AC_CHECK_HEADERS([linux/random.h], [], [], [#ifdef HAVE_LINUX_TYPES_H #include #endif ]) # utils/llverfs.c AC_CHECK_HEADERS([ext2fs/ext2fs.h]) SELINUX="" AC_CHECK_LIB([selinux], [is_selinux_enabled], [AC_CHECK_HEADERS([selinux.h], [SELINUX="-lselinux" AC_DEFINE([HAVE_SELINUX], 1, [support for selinux ])], [AC_MSG_WARN([ No selinux-devel package found, unable to build selinux enabled tools ]) ])], [AC_MSG_WARN([ No selinux package found, unable to build selinux enabled tools ]) ]) AC_SUBST(SELINUX) # Super safe df AC_MSG_CHECKING([whether to report minimum OST free space]) 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]), [], [enable_mindf="no"]) AC_MSG_RESULT([$enable_mindf]) AS_IF([test "$enable_mindf" = "yes"], [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])]) AC_MSG_CHECKING([whether to randomly failing memory alloc]) AC_ARG_ENABLE([fail_alloc], AC_HELP_STRING([--disable-fail-alloc], [disable randomly alloc failure]), [], [enable_fail_alloc="yes"]) AC_MSG_RESULT([$enable_fail_alloc]) AS_IF([test "x$enable_fail_alloc" != xno], [AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])]) AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)]) AC_ARG_ENABLE([invariants], AC_HELP_STRING([--enable-invariants], [enable invariant checking (cpu intensive)]), [], [enable_invariants="no"]) AC_MSG_RESULT([$enable_invariants]) AS_IF([test "x$enable_invariants" = xyes], [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1, [enable invariant checking])]) AC_MSG_CHECKING([whether to track references with lu_ref]) AC_ARG_ENABLE([lu_ref], AC_HELP_STRING([--enable-lu_ref], [enable lu_ref reference tracking code]), [], [enable_lu_ref="no"]) AC_MSG_RESULT([$enable_lu_ref]) AS_IF([test "x$enable_lu_ref" = xyes], [AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])]) AC_MSG_CHECKING([whether to enable page state tracking]) AC_ARG_ENABLE([pgstate-track], AC_HELP_STRING([--enable-pgstate-track], [enable page state tracking]), [], [enable_pgstat_track="no"]) AC_MSG_RESULT([$enable_pgstat_track]) AS_IF([test "x$enable_pgstat_track" = xyes], [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1, [enable page state tracking code])]) ]) # LC_CONFIGURE # # LC_CONDITIONALS # # AM_CONDITIONALS for lustre # AC_DEFUN([LC_CONDITIONALS], [ AM_CONDITIONAL(LIBLUSTRE, false) 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_CONDITIONALS # # 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/3.10-rhel7.target lustre/kernel_patches/targets/2.6-rhel6.target lustre/kernel_patches/targets/2.6-rhel5.target lustre/kernel_patches/targets/2.6-sles11.target lustre/kernel_patches/targets/3.0-sles11.target lustre/kernel_patches/targets/3.0-sles11sp3.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/llite/Makefile lustre/llite/autoMakefile lustre/lclient/Makefile lustre/lov/Makefile lustre/lov/autoMakefile lustre/mdc/Makefile lustre/mdc/autoMakefile lustre/lmv/Makefile lustre/lmv/autoMakefile lustre/lfsck/Makefile lustre/lfsck/autoMakefile lustre/mdt/Makefile lustre/mdt/autoMakefile lustre/nodemap/Makefile lustre/nodemap/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 ]) ]) # LC_CONFIG_FILES