])
#
-# Ensure stack size big than 8k in Lustre server (all kernels)
+# LC_CONFIG_OBD_BUFFER_SIZE
#
-AC_DEFUN([LC_STACK_SIZE],
-[AC_MSG_CHECKING([stack size big than 8k])
-LB_LINUX_TRY_COMPILE([
- #include <linux/thread_info.h>
+# 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, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
+])
+
+#
+# LC_READLINK_SSIZE_T
+#
+AC_DEFUN([LC_READLINK_SSIZE_T],
+[AC_MSG_CHECKING([if readlink returns ssize_t])
+AC_TRY_COMPILE([
+ #include <unistd.h>
],[
- #if THREAD_SIZE < 8192
- #error "stack size < 8192"
- #endif
+ ssize_t readlink(const char *, char *, size_t);
],[
- AC_MSG_RESULT(yes)
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
],[
- AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.])
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# LC_FUNC_RELEASEPAGE_WITH_GFP
+#
+# 2.6.9 ->releasepage() takes a gfp_t arg
+# This kernel defines gfp_t (HAS_GFP_T) but doesn't use it for this function,
+# while others either don't have gfp_t or pass gfp_t as the parameter.
+#
+AC_DEFUN([LC_FUNC_RELEASEPAGE_WITH_GFP],
+[AC_MSG_CHECKING([if releasepage has a gfp_t parameter])
+RELEASEPAGE_WITH_GFP="$(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
+])
+
+
+
+#
+# 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
])
])
])
#
+# 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 <linux/thread_info.h>
+],[
+ #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_CONFIG_BACKINGFS
#
# setup, check the backing filesystem
])
#
-# LC_HEADER_LDISKFS_XATTR
-#
-# CHAOS kernel-devel package will not include fs/ldiskfs/xattr.h
+# LC_CONFIG_LIBLUSTRE_RECOVERY
#
-AC_DEFUN([LC_HEADER_LDISKFS_XATTR],
-[AC_MSG_CHECKING([if ldiskfs has xattr.h header])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-I$LINUX/fs -I$LDISKFS_DIR -I$LDISKFS_DIR/ldiskfs"
-LB_LINUX_TRY_COMPILE([
- #include <ldiskfs/xattr.h>
-],[
- ldiskfs_xattr_get(NULL, 0, "", NULL, 0);
- ldiskfs_xattr_set_handle(NULL, NULL, 0, "", NULL, 0, 0);
-
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_LDISKFS_XATTR_H, 1, [ldiskfs/xattr.h found])
-],[
- AC_MSG_RESULT([no])
-])
-EXTRA_KCFLAGS="$tmp_flags"
+AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
+[AC_MSG_CHECKING([whether to enable liblustre recovery support])
+AC_ARG_ENABLE([liblustre-recovery],
+ AC_HELP_STRING([--disable-liblustre-recovery],
+ [disable liblustre recovery support]),
+ [],[enable_liblustre_recovery='yes'])
+AC_MSG_RESULT([$enable_liblustre_recovery])
+if test x$enable_liblustre_recovery != xno ; then
+ AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
+fi
])
#
fi
])
-#
-# LC_CONFIG_LIBLUSTRE_RECOVERY
-#
-AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
-[AC_MSG_CHECKING([whether to enable liblustre recovery support])
-AC_ARG_ENABLE([liblustre-recovery],
- AC_HELP_STRING([--disable-liblustre-recovery],
- [disable liblustre recovery support]),
- [],[enable_liblustre_recovery='yes'])
-AC_MSG_RESULT([$enable_liblustre_recovery])
-if test x$enable_liblustre_recovery != xno ; then
- AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
+AC_DEFUN([LC_CONFIG_LRU_RESIZE],
+[AC_MSG_CHECKING([whether to enable lru self-adjusting])
+AC_ARG_ENABLE([lru_resize],
+ AC_HELP_STRING([--enable-lru-resize],
+ [enable lru resize support]),
+ [],[enable_lru_resize='yes'])
+AC_MSG_RESULT([$enable_lru_resize])
+if test x$enable_lru_resize != xno; then
+ AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
fi
])
-#
-# LC_CONFIG_OBD_BUFFER_SIZE
-#
-# the maximum buffer size of lctl ioctls
-#
-AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
-[AC_MSG_CHECKING([maximum OBD ioctl size])
-AC_ARG_WITH([obd-buffer-size],
- AC_HELP_STRING([--with-obd-buffer-size=[size]],
- [set lctl ioctl maximum bytes (default=8192)]),
- [
- OBD_BUFFER_SIZE=$with_obd_buffer_size
- ],[
- OBD_BUFFER_SIZE=8192
- ])
-AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
-AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
+# whether to enable quota support(kernel modules)
+AC_DEFUN([LC_QUOTA_MODULE],
+[if test x$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
])
-#
-# 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 <linux/vfs.h>
-],[
- struct statfs sfs;
- sfs.f_namelen = 1;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
+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_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 <unistd.h>
-],[
- ssize_t readlink(const char *, char *, size_t);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
+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_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 <linux/fs.h>
-],[
- int flags = MS_FLOCK_LOCK;
-],[
- AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
- [kernel has MS_FLOCK_LOCK flag])
- AC_MSG_RESULT([yes])
+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_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 <linux/fs.h>
-],[
- 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_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_MSG_RESULT([no])
])
])
+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])
+],[
+])
+])
+
+# 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/$LINUX_ARCH/kernel/smpboot.c],
+ [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
+ [node_to_cpumask is exported by
+ the kernel])]) # i386
+ ])
+
#
-# LC_FUNC_RELEASEPAGE_WITH_GFP
-#
-# 2.6.9 ->releasepage() takes a gfp_t arg
-# This kernel defines gfp_t (HAS_GFP_T) but doesn't use it for this function,
-# while others either don't have gfp_t or pass gfp_t as the parameter.
-#
-AC_DEFUN([LC_FUNC_RELEASEPAGE_WITH_GFP],
-[AC_MSG_CHECKING([if releasepage has a gfp_t parameter])
-RELEASEPAGE_WITH_GFP="$(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])
+# LC_HEADER_LDISKFS_XATTR
+#
+# CHAOS kernel-devel package will not include fs/ldiskfs/xattr.h
+#
+AC_DEFUN([LC_HEADER_LDISKFS_XATTR],
+[AC_MSG_CHECKING([if ldiskfs has xattr.h header])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-I$LINUX/fs -I$LDISKFS_DIR -I$LDISKFS_DIR/ldiskfs"
+LB_LINUX_TRY_COMPILE([
+ #include <ldiskfs/xattr.h>
+],[
+ ldiskfs_xattr_get(NULL, 0, "", NULL, 0);
+ ldiskfs_xattr_set_handle(NULL, NULL, 0, "", NULL, 0, 0);
+
+],[
AC_MSG_RESULT([yes])
-else
+ AC_DEFINE(HAVE_LDISKFS_XATTR_H, 1, [ldiskfs/xattr.h found])
+],[
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+
+#
+# LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
+#
+# Check for our patched grab_cache_page_nowait_gfp() function
+# after 2.6.29 we can emulate this using add_to_page_cache_lru()
+#
+AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
+[LB_CHECK_SYMBOL_EXPORT([grab_cache_page_nowait_gfp],
+[mm/filemap.c],[
+ AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
+ [kernel exports grab_cache_page_nowait_gfp])
+ ],
+ [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
+ [mm/filemap.c],[
+ AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
+ [kernel exports add_to_page_cache_lru])
+ ],[
+ ])
+ ])
+])
+
+#
+# LC_STRUCT_STATFS
+#
+# AIX does not have statfs.f_namelen
+#
+AC_DEFUN([LC_STRUCT_STATFS],
+[AC_MSG_CHECKING([if struct statfs has a f_namelen field])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/vfs.h>
+],[
+ struct statfs sfs;
+ sfs.f_namelen = 1;
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
+],[
AC_MSG_RESULT([no])
-fi
+])
])
#
[])
])
-
-# added in 2.6.16
-#
-AC_DEFUN([LC_STRUCT_INTENT_FILE],
-[AC_MSG_CHECKING([if struct open_intent has a file field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/namei.h>
-],[
- struct open_intent intent;
- &intent.file;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-
#
# After 2.6.16 the xattr_acl API is removed, and posix_acl is used instead
#
])
])
+AC_DEFUN([LC_CONST_ACL_SIZE],
+[AC_MSG_CHECKING([calc acl size])
+tmp_flags="$CFLAGS"
+CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include $EXTRA_KCFLAGS"
+AC_TRY_RUN([
+ #define __KERNEL__
+ #include <linux/autoconf.h>
+ #include <linux/types.h>
+ #undef __KERNEL__
+ // block include
+ #define __LINUX_POSIX_ACL_H
+
+ # ifdef CONFIG_FS_POSIX_ACL
+ # ifdef HAVE_XATTR_ACL
+ # include <linux/xattr_acl.h>
+ # endif
+ # ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
+ # include <linux/posix_acl_xattr.h>
+ # endif
+ # endif
+
+ #include <lustre_acl.h>
+
+ #include <stdio.h>
+
+ 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="$tmp_flags"
+])
+
+# added in 2.6.16
#
-# only for Lustre-patched kernels
-#
-AC_DEFUN([LC_LUSTRE_VERSION_H],
-[LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
- rm -f "$LUSTRE/include/linux/lustre_version.h"
+AC_DEFUN([LC_STRUCT_INTENT_FILE],
+[AC_MSG_CHECKING([if struct open_intent has a file field])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ #include <linux/namei.h>
],[
- touch "$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
+ 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])
])
])
])
])
-AC_DEFUN([LC_SUNRPC_CACHE],
-[AC_MSG_CHECKING([if sunrpc struct cache_head uses kref])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sunrpc/cache.h>
-],[
- 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)
#
fi
])
+AC_DEFUN([LC_SUNRPC_CACHE],
+[AC_MSG_CHECKING([if sunrpc struct cache_head uses kref])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/sunrpc/cache.h>
+],[
+ 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 (default disabled)
#
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 ])
+#
+# 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 <linux/mutex.h>
- #include <linux/fs.h>
- #undef i_mutex
+ #include <linux/fs.h>
],[
- struct inode i;
-
- mutex_unlock(&i.i_mutex);
+ int cansleep;
+ struct file *file;
+ struct file_lock *file_lock;
+ flock_lock_file_wait(file, file_lock, cansleep);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
- [after 2.6.15 inode have i_mutex intead of i_sem])
+ 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)
+ 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])
+#
+# 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 <linux/seq_file.h>
+ #include <linux/fs.h>
],[
- struct seq_file seq;
+ 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])
+])
+])
+
+AC_DEFUN([LC_QUOTA_READ],
+[AC_MSG_CHECKING([if kernel supports quota_read])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ 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_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 <linux/fs.h>
+ #include <linux/namei.h>
+],[
+ 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 <linux/rcupdate.h>
+],[],[
+ 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 <linux/rcupdate.h>
+ ],[
+ 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])
+ ])
- mutex_unlock(&seq.lock);
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+AC_DEFUN([LC_PERCPU_COUNTER],
+[AC_MSG_CHECKING([if have struct percpu_counter defined])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/percpu_counter.h>
+],[],[
+ 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 <linux/percpu_counter.h>
+ ],[
+ 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])
+])
+])
+
+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
+])
+
+# ~2.6.11
+
+AC_DEFUN([LC_S_TIME_GRAN],
+[AC_MSG_CHECKING([if super block has s_time_gran member])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ 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 <linux/fs.h>
+],[
+ 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])
+])
+])
+
+# 2.6.12
+
+# ~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="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct address_space a;
+
+ write_lock(&a.tree_lock);
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
+],[
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+
+# 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])
+],[
+])
+])
+
+# 2.6.15
+
+# 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 <linux/mutex.h>
+ #include <linux/fs.h>
+ #undef i_mutex
+],[
+ struct inode i;
+
+ mutex_unlock(&i.i_mutex);
],[
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SEQ_LOCK, 1,
- [after 2.6.18 seq_file has lock intead of sem])
+ AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
+ [after 2.6.15 inode have i_mutex intead of i_sem])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT(no)
+])
+])
+
+# 2.6.16
+
+# 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 <linux/fs.h>
+],[
+ 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)
+])
+])
+
+# 2.6.17
+
+# 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 <linux/fs.h>
+],[
+ 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)
])
])
])
])
-# LC_FLUSH_OWNER_ID
-# starting from 2.6.18 the file_operations .flush
-# method has a new "fl_owner_t id" parameter
-#
-AC_DEFUN([LC_FLUSH_OWNER_ID],
-[AC_MSG_CHECKING([if file_operations .flush has an fl_owner_t id])
+# 2.6.18
+
+# 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 <linux/fs.h>
+ #include <linux/pagemap.h>
],[
- struct file_operations *fops = NULL;
- fl_owner_t id;
- int i;
-
- i = fops->flush(NULL, id);
+ return atomic_read(&nr_pagecache);
],[
- AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1,
- [file_operations .flush method has an fl_owner_t id])
- AC_MSG_RESULT([yes])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_NR_PAGECACHE, 1,
+ [is kernel export nr_pagecache])
],[
- AC_MSG_RESULT([no])
+ 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])
+# 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 <linux/fs.h>
+ #include <linux/seq_file.h>
],[
- struct inode i;
- i.i_private = NULL;
+ struct seq_file seq;
+
+ mutex_unlock(&seq.lock);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INODE_IPRIVATE, 1,
- [struct inode has i_private field])
+ 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)
+ AC_MSG_RESULT(NO)
+])
+])
+
+#
+# LC_EXPORT_FILEMAP_FDATAWRITE_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])
+],[
+])
+])
+
+# LC_FLUSH_OWNER_ID
+# starting from 2.6.18 the file_operations .flush
+# method has a new "fl_owner_t id" parameter
+#
+AC_DEFUN([LC_FLUSH_OWNER_ID],
+[AC_MSG_CHECKING([if file_operations .flush has an fl_owner_t id])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ struct file_operations *fops = NULL;
+ fl_owner_t id;
+ int i;
+
+ i = fops->flush(NULL, id);
+],[
+ AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1,
+ [file_operations .flush method has an fl_owner_t id])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 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_EXT4_DISCARD_PREALLOCATIONS
+#
+AC_DEFUN([LC_EXT4_DISCARD_PREALLOCATIONS],
+[AC_MSG_CHECKING([if ext4_discard_preallocatoins defined])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-I$LINUX/fs"
+LB_LINUX_TRY_COMPILE([
+ #include <ext4/ext4.h>
+],[
+ struct inode i;
+ ext4_discard_preallocations(&i);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(LDISKFS_DISCARD_PREALLOCATIONS, 1,
+ [ext4_discard_preacllocations defined])
+],[
+ AC_MSG_RESULT(no)
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+
+#
+# LC_EXT_INSERT_EXTENT_WITH_5ARGS
+#
+AC_DEFUN([LC_EXT_INSERT_EXTENT_WITH_5ARGS],
+[AC_MSG_CHECKING([ext4_ext_insert_extent needs 5 arguments])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-I$LINUX/fs"
+LB_LINUX_TRY_COMPILE([
+ #include <ext4/ext4_extents.h>
+],[
+ ext4_ext_insert_extent(NULL, NULL, NULL, NULL, 0);
+],[
+ AC_DEFINE([EXT_INSERT_EXTENT_WITH_5ARGS], 1,
+ [ext4_ext_insert_exent needs 5 arguments])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+
+#2.6.18 + RHEL5 (fc6)
+
+# RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
+AC_DEFUN([LC_PG_FS_MISC],
+[AC_MSG_CHECKING([kernel has PG_fs_misc])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+ #include <linux/page-flags.h>
+],[
+ #ifndef PG_fs_misc
+ #error PG_fs_misc not defined in kernel
+ #endif
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_PG_FS_MISC, 1,
+ [is kernel have PG_fs_misc])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+# RHEL5 PageChecked and SetPageChecked defined
+AC_DEFUN([LC_PAGE_CHECKED],
+[AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/autoconf.h>
+#ifdef HAVE_LINUX_MMTYPES_H
+ #include <linux/mm_types.h>
+#endif
+ #include <linux/page-flags.h>
+],[
+ struct page *p;
+
+ /* before 2.6.26 this define*/
+ #ifndef PageChecked
+ /* 2.6.26 use function instead of define for it */
+ SetPageChecked(p);
+ PageChecked(p);
+ #endif
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_PAGE_CHECKED, 1,
+ [does kernel have PageChecked and SetPageChecked])
+],[
+ AC_MSG_RESULT(no)
+])
])
+
+#
+# LC_LINUX_FIEMAP_H
+#
+# If we have fiemap.h
+# after 2.6.27 use fiemap.h in include/linux
+#
+AC_DEFUN([LC_LINUX_FIEMAP_H],
+[LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
+ AC_MSG_CHECKING([if fiemap.h can be compiled])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/types.h>
+ #include <linux/fiemap.h>
+ ],[],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+],
+[])
])
+# 2.6.19
+
# 2.6.19 API changes
# inode don't have i_blksize field
AC_DEFUN([LC_INODE_BLKSIZE],
])
])
-# LC_GENERIC_FILE_READ
+# LC_FILE_READV
# 2.6.19 replaced readv with aio_read
AC_DEFUN([LC_FILE_READV],
[AC_MSG_CHECKING([readv in fops])
])
])
-# 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 <linux/pagemap.h>
-],[
- return atomic_read(&nr_pagecache);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_NR_PAGECACHE, 1,
- [is kernel export nr_pagecache])
-],[
- AC_MSG_RESULT(no)
-])
-])
+# 2.6.20
# LC_CANCEL_DIRTY_PAGE
# 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty.
fi
])
+# raid5-zerocopy patch
+
#
# LC_PAGE_CONSTANT
#
])
])
-# 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])
+# 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 <linux/mm.h>
- #include <linux/page-flags.h>
+ #include <linux/buffer_head.h>
],[
- #ifndef PG_fs_misc
- #error PG_fs_misc not defined in kernel
- #endif
+ invalidate_bdev(NULL,0);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_PG_FS_MISC, 1,
- [is kernel have PG_fs_misc])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
+ [invalidate_bdev has second argument])
],[
- AC_MSG_RESULT(no)
+ AC_MSG_RESULT([no])
])
])
-# RHEL5 PageChecked and SetPageChecked defined
-AC_DEFUN([LC_PAGE_CHECKED],
-[AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
+#
+# check for crypto API
+#
+AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
+[AC_MSG_CHECKING([if kernel has block cipher support])
LB_LINUX_TRY_COMPILE([
- #include <linux/autoconf.h>
-#ifdef HAVE_LINUX_MMTYPES_H
- #include <linux/mm_types.h>
-#endif
- #include <linux/page-flags.h>
+ #include <linux/err.h>
+ #include <linux/crypto.h>
],[
- struct page *p;
-
- /* before 2.6.26 this define*/
- #ifndef PageChecked
- /* 2.6.26 use function instead of define for it */
- SetPageChecked(p);
- PageChecked(p);
- #endif
+ struct crypto_blkcipher *tfm;
+ tfm = crypto_alloc_blkcipher("aes", 0, 0 );
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_PAGE_CHECKED, 1,
- [does kernel have PageChecked and SetPageChecked])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
],[
- AC_MSG_RESULT(no)
+ 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])
+#
+# 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 <linux/err.h>
+ #include <linux/crypto.h>
],[
-])
-])
-
-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])
+ struct hash_desc foo;
],[
-])
-])
-
-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_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
],[
+ AC_MSG_RESULT([no])
])
])
-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])
+#
+# 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 <linux/err.h>
+ #include <linux/crypto.h>
],[
-])
-])
-
-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])
+ struct blkcipher_desc foo;
],[
-])
-])
-
-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])
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
],[
+ AC_MSG_RESULT([no])
])
])
#
-# 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
+# 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
#
-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])
+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 <linux/buffer_head.h>
+ #include <linux/fs.h>
],[
- invalidate_bdev(NULL,0);
+ int v = FS_RENAME_DOES_D_MOVE;
],[
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
- [invalidate_bdev has second argument])
+ AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
],[
AC_MSG_RESULT([no])
])
])
-# 2.6.18
-
+# 2.6.23
# 2.6.23 have return type 'void' for unregister_blkdev
AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
])
# 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])
+AC_DEFUN([LC_KERNEL_SPLICE_READ],
+[AC_MSG_CHECKING([if kernel has .splice_read])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct file_operations file;
- file.sendfile = NULL;
+ file.splice_read = NULL;
], [
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
- [kernel has .sendfile])
+ AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
+ [kernel has .slice_read])
],[
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])
+# 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 <linux/fs.h>
],[
struct file_operations file;
- file.splice_read = NULL;
+ file.sendfile = NULL;
], [
AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
- [kernel has .slice_read])
+ AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
+ [kernel has .sendfile])
],[
AC_MSG_RESULT([no])
])
])
])
-#2.6.23 has new shrinker API
+# 2.6.23 has new shrinker API
AC_DEFUN([LC_REGISTER_SHRINKER],
-[AC_MSG_CHECKING([if kernel has register_shrinker])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
-],[
- register_shrinker(NULL);
-], [
- AC_MSG_RESULT([yes])
+[LB_CHECK_SYMBOL_EXPORT([register_shrinker],
+[mm/vmscan.c],[
AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
- [kernel has register_shrinker])
+ [kernel exports register_shrinker])
],[
- 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])
])
])
-# 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 removes long aged procfs entry -> deleted member
AC_DEFUN([LC_PROCFS_DELETED],
[AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
])
])
+# 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])
+],[
+])
+])
+
+# 2.6.25
+
# 2.6.25 change define to inline
AC_DEFUN([LC_MAPPING_CAP_WRITEBACK_DIRTY],
[AC_MSG_CHECKING([if kernel have mapping_cap_writeback_dirty])
])
])
-
+# 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_RESULT([yes])
AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
- [fs_struct use path structure])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# 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 <linux/fs.h>
- #include <linux/namei.h>
-],[
- 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 <linux/fs.h>
-],[
- 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 <linux/fs.h>
-],[
- 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 <linux/fs.h>
-],[
- 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 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include $EXTRA_KCFLAGS"
-AC_TRY_RUN([
-#define __KERNEL__
-#include <linux/autoconf.h>
-#include <linux/types.h>
-#undef __KERNEL__
-// block include
-#define __LINUX_POSIX_ACL_H
-
-# ifdef CONFIG_FS_POSIX_ACL
-# ifdef HAVE_XATTR_ACL
-# include <linux/xattr_acl.h>
-# endif
-# ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
-# include <linux/posix_acl_xattr.h>
-# endif
-# endif
-
-#include <lustre_acl.h>
-
-#include <stdio.h>
-
-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 <linux/err.h>
- #include <linux/crypto.h>
-],[
- 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 <linux/err.h>
- #include <linux/crypto.h>
-],[
- 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 <linux/err.h>
- #include <linux/crypto.h>
-],[
- 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 <linux/fs.h>
-],[
- 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 <linux/fs.h>
-],[
- 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 <linux/fs.h>
-],[
- 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])
+ [fs_struct use path structure])
],[
- AC_MSG_RESULT(no)
+ 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])
-],[
-])
-])
+# 2.6.27
-#2.6.27
AC_DEFUN([LC_INODE_PERMISION_2ARGS],
[AC_MSG_CHECKING([inode_operations->permission has two args])
LB_LINUX_TRY_COMPILE([
])
])
-# 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 <linux/fs.h>
-],[
- 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)
-])
-])
-
-# 2.6.27 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 <linux/bio.h>
-],[
- struct bio io;
- io.bi_hw_segments = 0;
-],[
- 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_V1_H],
-[LB_CHECK_FILE([$LINUX/include/linux/quotaio_v1.h],[
- AC_DEFINE(HAVE_QUOTAIO_V1_H, 1,
- [kernel has include/linux/quotaio_v1.h])
-],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v1.h],[
- AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_V1_H, 1,
- [kernel has fs/quota/quotaio_v1.h])
-],[
- AC_MSG_RESULT([no])
-])
-])
-])
-
-# sles10 sp2 need 5 parameter for vfs_symlink
-AC_DEFUN([LC_VFS_SYMLINK_5ARGS],
-[AC_MSG_CHECKING([vfs_symlink need 5 parameter])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- struct inode *dir = NULL;
- struct dentry *dentry = NULL;
- struct vfsmount *mnt = NULL;
- const char * path = NULL;
- vfs_symlink(dir, dentry, mnt, path, 0);
-],[
- AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1,
- [vfs_symlink need 5 parameteres])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
# 2.6.27 removed the read_inode from super_operations.
AC_DEFUN([LC_READ_INODE_IN_SBOPS],
[AC_MSG_CHECKING([super_operations has a read_inode field])
])
])
-# 2.6.27 sles11 has sb_any_quota_active
-AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
-[AC_MSG_CHECKING([Kernel has sb_any_quota_active])
-LB_LINUX_TRY_COMPILE([
- #include <linux/quotaops.h>
-],[
- sb_any_quota_active(NULL);
-],[
- AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
- [Kernel has a sb_any_quota_active])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-# 2.6.27 sles11 has sb_has_quota_active
-AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE],
-[AC_MSG_CHECKING([Kernel has sb_has_quota_active])
-LB_LINUX_TRY_COMPILE([
- #include <linux/quotaops.h>
-],[
- sb_has_quota_active(NULL, 0);
-],[
- AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1,
- [Kernel has a sb_has_quota_active])
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
# 2.6.27 has inode_permission instead of permisson
AC_DEFUN([LC_EXPORT_INODE_PERMISSION],
[LB_CHECK_SYMBOL_EXPORT([inode_permission],
])
])
-#
-# LC_LINUX_FIEMAP_H
-#
-# If we have fiemap.h
-# after 2.6.27 use fiemap.h in include/linux
-#
-AC_DEFUN([LC_LINUX_FIEMAP_H],
-[LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
- AC_MSG_CHECKING([if fiemap.h can be compiled])
- LB_LINUX_TRY_COMPILE([
- #include <linux/types.h>
- #include <linux/fiemap.h>
- ],[],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
- ],[
- AC_MSG_RESULT([no])
- ])
-],
-[])
-])
-
# LC_LOCK_MAP_ACQUIRE
# after 2.6.27 lock_map_acquire replaces lock_acquire
AC_DEFUN([LC_LOCK_MAP_ACQUIRE],
])
])
+# 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 <linux/bio.h>
+],[
+ struct bio io;
+ io.bi_hw_segments = 0;
+],[
+ AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
+ [struct bio has a bi_hw_segments field])
+ AC_MSG_RESULT([yes])
+],[
+ 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
-#
-AC_DEFUN([LC_D_OBTAIN_ALIAS],
-[AC_MSG_CHECKING([d_obtain_alias exist in kernel])
+# 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
+# 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
+AC_DEFUN([LC_HAVE_QUOTAIO_V1_H],
+[LB_CHECK_FILE([$LINUX/include/linux/quotaio_v1.h],[
+ AC_DEFINE(HAVE_QUOTAIO_V1_H, 1,
+ [kernel has include/linux/quotaio_v1.h])
+],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v1.h],[
+ AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_V1_H, 1,
+ [kernel has fs/quota/quotaio_v1.h])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+])
+
+# sles10 sp2 need 5 parameter for vfs_symlink
+AC_DEFUN([LC_VFS_SYMLINK_5ARGS],
+[AC_MSG_CHECKING([vfs_symlink need 5 parameter])
LB_LINUX_TRY_COMPILE([
- #include <linux/dcache.h>
+ #include <linux/fs.h>
],[
- d_obtain_alias(NULL);
+ struct inode *dir = NULL;
+ struct dentry *dentry = NULL;
+ struct vfsmount *mnt = NULL;
+ const char * path = NULL;
+ vfs_symlink(dir, dentry, mnt, path, 0);
],[
- AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
- [d_obtain_alias exist in kernel])
+ AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1,
+ [vfs_symlink need 5 parameteres])
+ AC_MSG_RESULT([yes])
+],[
+ 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 <linux/quotaops.h>
+],[
+ 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 <linux/quotaops.h>
+],[
+ 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])
])
])
+# 2.6.31
+
# 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])
])
])
+# 2.6.32
+
# 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])
])
])
-# RHEL6(backport from 2.6.34) removes 2 functions blk_queue_max_phys_segments and
-# blk_queue_max_hw_segments add blk_queue_max_segments
-AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
-[AC_MSG_CHECKING([if blk_queue_max_segments is defined])
+# 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 <linux/blkdev.h>
+ #include <linux/fs.h>
],[
- blk_queue_max_segments(NULL, 0);
+ struct super_block sb;
+ sb.s_bdi = NULL;
],[
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
- [blk_queue_max_segments is defined])
+ AC_DEFINE(HAVE_SB_BDI, 1,
+ [super_block has s_bdi field])
],[
AC_MSG_RESULT(no)
])
])
-# RHEL6(backport from 2.6.34) removes blk_queue_max_sectors and add blk_queue_max_hw_sectors
+# 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])
])
])
-# 2.6.32 has new BDI interface.
-AC_DEFUN([LC_NEW_BACKING_DEV_INFO],
-[AC_MSG_CHECKING([if backing_dev_info has a wb_cnt field])
+# 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 <linux/blkdev.h>
+],[
+ 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)
+])
+])
+
+# 2.6.32-71 adds an argument to shrink callback
+AC_DEFUN([LC_SHRINK_3ARGS],
+[AC_MSG_CHECKING([if shrink has 3 arguments])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+],[
+ struct shrinker s;
+ return s.shrink(NULL, 0, 0);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SHRINK_3ARGS, 1,
+ [shrink has 3 arguments])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
+#
+# LC_EXT4_SINGLEDATA_TRANS_BLOCKS_SB
+#
+AC_DEFUN([LC_EXT4_SINGLEDATA_TRANS_BLOCKS_SB],
+[AC_MSG_CHECKING([if EXT4_SINGLEDATA_TRANS_BLOCKS takes the sb as argument])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-I$LINUX/fs"
LB_LINUX_TRY_COMPILE([
- #include <linux/backing-dev.h>
+ #include <ext4/ext4.h>
+ #include <ext4/ext4_jbd2.h>
],[
- struct backing_dev_info bdi;
- bdi.wb_cnt = 0;
+ struct super_block sb;
+ EXT4_SINGLEDATA_TRANS_BLOCKS(&sb);
],[
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_NEW_BACKING_DEV_INFO, 1,
- [backing_dev_info has a wb_cnt field])
+ AC_DEFINE(LDISKFS_SINGLEDATA_TRANS_BLOCKS_HAS_SB, 1,
+ [EXT4_SINGLEDATA_TRANS_BLOCKS takes sb as argument])
],[
AC_MSG_RESULT(no)
])
+EXTRA_KCFLAGS="$tmp_flags"
])
-# 2.6.24 has bdi_init()/bdi_destroy() functions.
-AC_DEFUN([LC_EXPORT_BDI_INIT],
-[LB_CHECK_SYMBOL_EXPORT([bdi_init],
-[mm/backing-dev.c],[
- AC_DEFINE(HAVE_BDI_INIT, 1,
- [bdi_init/bdi_destroy functions are present])
-],[
-])
+#
+# LC_QUOTA64
+# linux kernel have 64-bit limits support
+#
+AC_DEFUN([LC_QUOTA64],[
+ AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-I$LINUX/fs"
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/kernel.h>
+ #include <linux/fs.h>
+ #ifdef HAVE_QUOTAIO_V1_H
+ # include <linux/quotaio_v2.h>
+ int versions[] = V2_INITQVERSIONS_R1;
+ struct v2_disk_dqblk_r1 dqblk_r1;
+ #else
+ # ifdef HAVE_FS_QUOTA_QUOTAIO_V1_H
+ # include <quota/quotaio_v2.h>
+ # else
+ # include <quotaio_v2.h>
+ # endif
+ struct v2r1_disk_dqblk dqblk_r1;
+ #endif
+ ],[],[
+ AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
+ AC_MSG_RESULT([yes])
+ ],[
+ LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
+ AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
+ ],[])
+ AC_MSG_RESULT([no])
+ ])
+EXTRA_KCFLAGS=$tmp_flags
])
-# 2.6.23 exports exportfs_decode_fh
-AC_DEFUN([LC_EXPORTFS_DECODE_FH],
-[LB_CHECK_SYMBOL_EXPORT([exportfs_decode_fh],
-[fs/exportfs/expfs.c],[
- AC_DEFINE(HAVE_EXPORTFS_DECODE_FH, 1,
- [exportfs_decode_fh has been export])
+#
+# LC_D_OBTAIN_ALIAS
+# starting from 2.6.28 kernel replaces d_alloc_anon() with
+# d_obtain_alias() for getting anonymous dentries
+#
+AC_DEFUN([LC_D_OBTAIN_ALIAS],
+[AC_MSG_CHECKING([d_obtain_alias exist in kernel])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/dcache.h>
+],[
+ d_obtain_alias(NULL);
+],[
+ AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
+ [d_obtain_alias exist in kernel])
+ AC_MSG_RESULT([yes])
],[
+ AC_MSG_RESULT([no])
])
])
+
#
# LC_PROG_LINUX
#
LC_CAPA_CRYPTO
LC_CONFIG_RMTCLIENT
LC_CONFIG_GSS
- LC_FUNC_MS_FLOCK_LOCK
LC_FUNC_HAVE_CAN_SLEEP_ARG
LC_FUNC_F_OP_FLOCK
LC_QUOTA_READ
LC_FUNC_RCU
LC_PERCPU_COUNTER
LC_TASK_CLENV_STORE
- LC_4ARGS_VFS_SYMLINK
-
- # does the kernel have VFS intent patches?
- LC_VFS_INTENT_PATCHES
# ~2.6.11
LC_S_TIME_GRAN
if test x$enable_server = xyes ; then
LC_EXPORT_INVALIDATE_MAPPING_PAGES
fi
+ LC_EXT4_DISCARD_PREALLOCATIONS
+ LC_EXT_INSERT_EXTENT_WITH_5ARGS
#2.6.18 + RHEL5 (fc6)
LC_PG_FS_MISC
# 2.6.32
LC_REQUEST_QUEUE_LIMITS
- LC_NEW_BACKING_DEV_INFO
+ LC_EXPORT_BDI_REGISTER
+ LC_SB_BDI
LC_BLK_QUEUE_MAX_SECTORS
LC_BLK_QUEUE_MAX_SEGMENTS
+ LC_SHRINK_3ARGS
+ LC_EXT4_SINGLEDATA_TRANS_BLOCKS_SB
#
if test x$enable_server = xyes ; then
LC_CONFIG_LIBLUSTRE_RECOVERY
])
-AC_DEFUN([LC_CONFIG_LRU_RESIZE],
-[AC_MSG_CHECKING([whether to enable lru self-adjusting])
-AC_ARG_ENABLE([lru_resize],
- AC_HELP_STRING([--enable-lru-resize],
- [enable lru resize support]),
- [],[enable_lru_resize='yes'])
-AC_MSG_RESULT([$enable_lru_resize])
-if test x$enable_lru_resize != xno; then
- AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
-fi
-])
-
#
# LC_CONFIG_QUOTA
#
[],[enable_quota='yes'])
])
-# whether to enable quota support(kernel modules)
-AC_DEFUN([LC_QUOTA_MODULE],
-[if test x$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
[AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
])
-AC_DEFUN([LC_QUOTA_READ],
-[AC_MSG_CHECKING([if kernel supports quota_read])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
-],[
- 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
#
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 <linux/fs.h>
- #include <linux/namei.h>
-],[
- 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 <linux/rcupdate.h>
-],[],[
- 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 <linux/rcupdate.h>
- ],[
- 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],[
- 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 <linux/kernel.h>
- #include <linux/fs.h>
- #ifdef HAVE_QUOTAIO_V1_H
- # include <linux/quotaio_v2.h>
- int versions[] = V2_INITQVERSIONS_R1;
- struct v2_disk_dqblk_r1 dqblk_r1;
- #else
- # ifdef HAVE_FS_QUOTA_QUOTAIO_V1_H
- # include <quota/quotaio_v2.h>
- # else
- # include <quotaio_v2.h>
- # endif
- struct v2r1_disk_dqblk dqblk_r1;
- #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
-])
-
-# 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 <linux/fs.h>
-],[
- 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 <linux/percpu_counter.h>
-],[],[
- 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 <linux/percpu_counter.h>
- ],[
- 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])
-])
-])
-
AC_DEFUN([LC_TASK_CLENV_TUX_INFO],
[AC_MSG_CHECKING([tux_info])
LB_LINUX_TRY_COMPILE([
])
])
-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
-])
-
#
# LC_LLITE_LLOOP_MODULE
# lloop_llite.ko does not currently work with page sizes
git://git.whamcloud.com / fs / lustre-release.git / blobdiff