])
#
-# 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],
#
# LC_FUNC_DEV_SET_RDONLY
#
-# check for the old-style dev_set_rdonly which took an extra "devno" param
-# and can only set a single device to discard writes at one time
+# 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],
-[AC_MSG_CHECKING([if kernel has new dev_set_rdonly])
-LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/blkdev.h>
-],[
- #ifndef HAVE_CLEAR_RDONLY_ON_PUT
- #error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above.
- #endif
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
+[LB_CHECK_SYMBOL_EXPORT([dev_set_rdonly],
+[block/ll_rw_block.c,block/blk-core.c],[
+ AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel exports dev_set_rdonly])
],[
- AC_MSG_ERROR([no, Linux kernel source needs to be patches by lustre
-kernel patches from Lustre version 1.4.3 or above.])
+ AC_MSG_WARN([kernel missing dev_set_rdonly patch for testing])
])
])
fi
])
-# truncate_complete_page() was exported from RHEL5/SLES10/SLES11
+# truncate_complete_page() was exported from RHEL5/SLES10, but not in SLES11 SP0 (2.6.27)
# remove_from_page_cache() was exported between 2.6.35 and 2.6.38
# delete_from_page_cache() is exported from 2.6.39
AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
[kernel export delete_from_page_cache])])
])
-AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE],
-[LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range],
-[mm/truncate.c],[
-AC_DEFINE(HAVE_TRUNCATE_RANGE, 1,
- [kernel export truncate_inode_pages_range])
-],[
-])
-])
-
AC_DEFUN([LC_EXPORT_D_REHASH_COND],
[LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
[fs/dcache.c],[
])
#
-# 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])
-])
-])
-
#
# between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels
#
])
#
-# added in 2.6.15
-#
-AC_DEFUN([LC_D_ADD_UNIQUE],
-[AC_MSG_CHECKING([for d_add_unique])
-LB_LINUX_TRY_COMPILE([
- #include <linux/dcache.h>
-],[
- d_add_unique(NULL, NULL);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
# added in 2.6.17
#
AC_DEFUN([LC_BIT_SPINLOCK_H],
])
#
-# After 2.6.26 we no longer have xattr_acl.h
+# LC_CONST_ACL_SIZE
#
-AC_DEFUN([LC_XATTR_ACL],
-[LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
- AC_MSG_CHECKING([if xattr_acl.h can be compiled])
- LB_LINUX_TRY_COMPILE([
- #include <linux/xattr_acl.h>
- ],[],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
- ],[
- AC_MSG_RESULT([no])
- ])
-],
-[])
-])
-
-#
-# After 2.6.16 the xattr_acl API is removed, and posix_acl is used instead
-#
-AC_DEFUN([LC_POSIX_ACL_XATTR_H],
-[LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
- AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
- LB_LINUX_TRY_COMPILE([
- #include <linux/fs.h>
- #include <linux/posix_acl_xattr.h>
- ],[],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
-
- ],[
- AC_MSG_RESULT([no])
- ])
-$1
-],[
- AC_MSG_RESULT([no])
-])
-])
-
AC_DEFUN([LC_CONST_ACL_SIZE],
[AC_MSG_CHECKING([calc acl size])
tmp_flags="$CFLAGS"
-CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include $EXTRA_KCFLAGS"
+CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include -include $AUTOCONF_HDIR/autoconf.h $EXTRA_KCFLAGS"
AC_TRY_RUN([
#define __KERNEL__
- #include <linux/autoconf.h>
#include <linux/types.h>
#undef __KERNEL__
// block include
#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>
+ #ifdef CONFIG_FS_POSIX_ACL
+ # include <linux/posix_acl_xattr.h>
+ #endif
#include <stdio.h>
int main(void)
{
- int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
+ /* LUSTRE_POSIX_ACL_MAX_ENTRIES = 32 */
+ int size = posix_acl_xattr_size(32);
FILE *f = fopen("acl.size","w+");
fprintf(f,"%d", size);
fclose(f);
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])
+ AC_ERROR([ACL size can't be computed])
+],[
+ AC_MSG_RESULT([can't check ACL size, make it 260])
+ AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE,260)
])
CFLAGS="$tmp_flags"
])
EXTRA_KCFLAGS="$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
#
# LC_STATFS_DENTRY_PARAM
-# starting from 2.6.18 linux kernel uses dentry instead of
-# super_block for first vfs_statfs argument
+# starting from 2.6.18 linux kernel uses dentry instead of super_block
+# for the first parameter of the super_operations->statfs() callback.
+#
#
AC_DEFUN([LC_STATFS_DENTRY_PARAM],
-[AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
+[AC_MSG_CHECKING([if super_ops.statfs() first parameter is dentry])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- int vfs_statfs(struct dentry *, struct kstatfs *);
+ ((struct super_operations *)0)->statfs((struct dentry *)0, (struct kstatfs*)0);
],[
AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
- [first parameter of vfs_statfs is dentry])
+ [super_ops.statfs() first parameter is dentry])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
+EXTRA_KCFLAGS="$tmp_flags"
])
#
AC_DEFUN([LC_PAGE_CHECKED],
[AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
LB_LINUX_TRY_COMPILE([
- #include <linux/autoconf.h>
+ #include <linux/mm.h>
#ifdef HAVE_LINUX_MMTYPES_H
#include <linux/mm_types.h>
#endif
- #include <linux/page-flags.h>
+ #include <linux/page-flags.h>
],[
- struct page *p;
+ struct page *p = NULL;
/* before 2.6.26 this define*/
#ifndef PageChecked
- /* 2.6.26 use function instead of define for it */
- SetPageChecked(p);
- PageChecked(p);
- #endif
+ /* 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,
])
])
-# LC_VFS_READDIR_U64_INO
-# 2.6.19 use u64 for inode number instead of inode_t
-AC_DEFUN([LC_VFS_READDIR_U64_INO],
-[AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_LINUX_TRY_COMPILE([
-#include <linux/fs.h>
- int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
- u64 ino, unsigned int d_type)
- {
- return 0;
- }
-],[
- filldir_t filter;
-
- filter = fillonedir;
- return 1;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
- [if vfs_readdir need 64bit inode number])
-],[
- AC_MSG_RESULT(no)
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
# LC_FILE_WRITEV
# 2.6.19 replaced writev with aio_write
AC_DEFUN([LC_FILE_WRITEV],
#include <linux/crypto.h>
],[
struct crypto_blkcipher *tfm;
- tfm = crypto_alloc_blkcipher("aes", 0, 0 );
+ tfm = crypto_alloc_blkcipher("aes", 0, sizeof(tfm) );
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
AC_DEFUN([LC_FH_TO_DENTRY],
[AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
#ifdef HAVE_LINUX_EXPORTFS_H
#include <linux/exportfs.h>
-#else
- #include <linux/fs.h>
#endif
],[
- struct export_operations exp;
-
- exp.fh_to_dentry = NULL;
+ do{ }while(sizeof(((struct export_operations *)0)->fh_to_dentry));
], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
],[
struct proc_dir_entry pde;
- pde.deleted = NULL;
+ pde.deleted = sizeof(pde);
], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_PROCFS_DELETED, 1,
])
])
-# 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])
-LB_LINUX_TRY_COMPILE([
- #include <linux/backing-dev.h>
-],[
- #ifndef mapping_cap_writeback_dirty
- mapping_cap_writeback_dirty(NULL);
- #endif
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_MAPPING_CAP_WRITEBACK_DIRTY, 1,
- [kernel have mapping_cap_writeback_dirty])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
# 2.6.26
# 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
#include <linux/spinlock.h>
#include <linux/fs_struct.h>
],[
- struct path path;
struct fs_struct fs;
- fs.pwd = path;
+ fs.pwd = *((struct path *)sizeof(fs));
], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
])
])
+
+#
# 2.6.27
+#
+AC_DEFUN([LC_PGMKWRITE_USE_VMFAULT],
+[AC_MSG_CHECKING([kernel .page_mkwrite uses struct vm_fault *])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/mm.h>
+],[
+ ((struct vm_operations_struct *)0)->page_mkwrite((struct vm_area_struct *)0, (struct vm_fault *)0);
+], [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_PGMKWRITE_USE_VMFAULT, 1,
+ [kernel vm_operation_struct.page_mkwrite uses struct vm_fault * as second parameter])
+],[
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
AC_DEFUN([LC_INODE_PERMISION_2ARGS],
[AC_MSG_CHECKING([inode_operations->permission has two args])
#include <linux/fs.h>
],[
struct inode *inode;
-
- inode->i_op->permission(NULL,0);
+ inode->i_op->permission(NULL, 0);
],[
- AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
+ AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
[inode_operations->permission has two args])
AC_MSG_RESULT([yes])
],[
#include <linux/bio.h>
],[
struct bio io;
- io.bi_hw_segments = 0;
+ io.bi_hw_segments = sizeof(io);
],[
AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
[struct bio has a bi_hw_segments field])
])
])
-# 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 sles11 has sb_any_quota_active
AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
[AC_MSG_CHECKING([Kernel has sb_any_quota_active])
])
])
-# 2.6.31
+#
+# 2.6.29 introduce sb_any_quota_loaded.
+#
+AC_DEFUN([LC_SB_ANY_QUOTA_LOADED],
+[AC_MSG_CHECKING([Kernel has sb_any_quota_loaded])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/quotaops.h>
+],[
+ sb_any_quota_loaded(NULL);
+],[
+ AC_DEFINE(HAVE_SB_ANY_QUOTA_LOADED, 1,
+ [Kernel has a sb_any_quota_loaded])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+# 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node
+AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE],
+ [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map],
+ [arch/$LINUX_ARCH/mm/numa.c],
+ [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1,
+ [node_to_cpumask_map is exported by
+ the kernel])]) # x86_64
+ ])
# 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE],
# 2.6.32
+# 2.6.32 changes cache_detail's member cache_request to cache_upcall
+# in kernel commit bc74b4f5e63a09fb78e245794a0de1e5a2716bbe
+AC_DEFUN([LC_CACHE_UPCALL],
+[AC_MSG_CHECKING([if cache_detail has cache_upcall field])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/sunrpc/cache.h>
+ ],[
+ struct cache_detail cd;
+ cd.cache_upcall = NULL;
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_CACHE_UPCALL, 1,
+ [cache_detail has cache_upcall field])
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+])
+
# 2.6.32 add a limits member in struct request_queue.
AC_DEFUN([LC_REQUEST_QUEUE_LIMITS],
[AC_MSG_CHECKING([if request_queue has a limits field])
])
])
+# 2.6.27.15-2 SuSE 11 sp0 kernels lack the name field for BDI
+AC_DEFUN([LC_BDI_NAME],
+[AC_MSG_CHECKING([if backing_device_info has name field])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/blkkdev.h>
+],[
+ struct backing_dev_info bdi;
+ bdi.name = NULL;
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_BDI_NAME, 1,
+ [backing_device_info has name field])
+],[
+ AC_MSG_RESULT(no)
+])
+])
+
# 2.6.32 removes blk_queue_max_sectors and add blk_queue_max_hw_sectors
# check blk_queue_max_sectors and use it until disappear.
AC_DEFUN([LC_BLK_QUEUE_MAX_SECTORS],
EXTRA_KCFLAGS=$tmp_flags
])
+# 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes
+AC_DEFUN([LC_SET_CPUS_ALLOWED],
+ [AC_MSG_CHECKING([if kernel defines set_cpus_allowed])
+ LB_LINUX_TRY_COMPILE(
+ [#include <linux/sched.h>],
+ [struct task_struct *p = NULL;
+ cpumask_t mask = { { 0 } };
+ (void) set_cpus_allowed(p, mask);],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1,
+ [set_cpus_allowed is exported by the kernel])],
+ [AC_MSG_RESULT([no])] )])
+
#
# LC_D_OBTAIN_ALIAS
# starting from 2.6.28 kernel replaces d_alloc_anon() with
# d_obtain_alias() for getting anonymous dentries
+# RHEL5(2.6.18) has d_obtain_alias but SLES11SP0(2.6.27) not
#
AC_DEFUN([LC_D_OBTAIN_ALIAS],
[AC_MSG_CHECKING([d_obtain_alias exist in kernel])
])
])
+#
+# LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
+#
+AC_DEFUN([LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE],
+ [LB_CHECK_SYMBOL_EXPORT(
+ [generic_error_remove_page],
+ [mm/truncate.c],
+ [AC_DEFINE(HAS_GENERIC_ERROR_REMOVE_PAGE, 1,
+ [kernel export generic_error_remove_page])],
+ [])
+ ]
+)
+
+#
+# 2.6.36 fs_struct.lock use spinlock instead of rwlock.
+#
+AC_DEFUN([LC_FS_STRUCT_RWLOCK],
+[AC_MSG_CHECKING([if fs_struct.lock use rwlock])
+LB_LINUX_TRY_COMPILE([
+ #include <asm/atomic.h>
+ #include <linux/spinlock.h>
+ #include <linux/fs_struct.h>
+],[
+ ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
+],[
+ AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
+ [fs_struct.lock use rwlock])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 2.6.36 super_operations add evict_inode method. it hybird of
+# delete_inode & clear_inode.
+#
+AC_DEFUN([LC_SBOPS_EVICT_INODE],
+[AC_MSG_CHECKING([if super_operations.evict_inode exist])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ ((struct super_operations *)0)->evict_inode(NULL);
+],[
+ AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
+ [super_operations.evict_inode() is exist in kernel])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 2.6.35 file_operations.fsync taken 2 arguments.
+# 3.0.0 file_operations.fsync takes 4 arguments.
+#
+AC_DEFUN([LC_FILE_FSYNC],
+[AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
+],[
+ AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
+ [file_operations.fsync takes 4 arguments])
+ AC_MSG_RESULT([yes, 4 args])
+],[
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ ],[
+ ((struct file_operations *)0)->fsync(NULL, 0);
+ ],[
+ AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
+ [file_operations.fsync takes 2 arguments])
+ AC_MSG_RESULT([yes, 2 args])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+])
+])
+
+#
+# 2.6.38 export blkdev_get_by_dev
+#
+AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
+[LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
+[fs/block_dev.c],[
+AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
+ [blkdev_get_by_dev is exported by the kernel])
+],[
+])
+])
+
+#
+# 2.6.38 vfsmount.mnt_count doesn't use atomic_t
+#
+AC_DEFUN([LC_ATOMIC_MNT_COUNT],
+[AC_MSG_CHECKING([if vfsmount.mnt_count is atomic_t])
+LB_LINUX_TRY_COMPILE([
+ #include <asm/atomic.h>
+ #include <linux/fs.h>
+ #include <linux/mount.h>
+],[
+ ((struct vfsmount *)0)->mnt_count = ((atomic_t) { 0 });
+],[
+ AC_DEFINE(HAVE_ATOMIC_MNT_COUNT, 1,
+ [vfsmount.mnt_count is atomic_t])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 2.6.38 use path as 4th parameter in quota_on.
+#
+AC_DEFUN([LC_QUOTA_ON_USE_PATH],
+[AC_MSG_CHECKING([quota_on use path as parameter])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ #include <linux/quota.h>
+],[
+ ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
+],[
+ AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
+ [quota_on use path as 4th paramter])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+
+#
+# 2.6.39 remove unplug_fn from request_queue.
+#
+AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
+[AC_MSG_CHECKING([if request_queue has unplug_fn field])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/blkdev.h>
+],[
+ do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
+],[
+ AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
+ [request_queue has unplug_fn field])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 2.6.38 generic_permission taken 4 paremater.
+# in fact, it means rcu-walk aware permission bring.
+#
+AC_DEFUN([LC_GENERIC_PERMISSION],
+[AC_MSG_CHECKING([if generic_permission take 4 arguments])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+],[
+ generic_permission(NULL, 0, 0, NULL);
+],[
+ AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
+ [generic_permission taken 4 arguments])
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+#
+# 2.6.38 export simple_setattr
+#
+AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
+[LB_CHECK_SYMBOL_EXPORT([simple_setattr],
+[fs/libfs.c],[
+AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
+ [simple_setattr is exported by the kernel])
+],[
+])
+])
#
# LC_PROG_LINUX
# RHEL4 patches
LC_EXPORT_TRUNCATE_COMPLETE
- LC_EXPORT_TRUNCATE_RANGE
LC_EXPORT_D_REHASH_COND
LC_EXPORT___D_REHASH
LC_EXPORT_NODE_TO_CPUMASK
- LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
- LC_STRUCT_STATFS
LC_FILEMAP_POPULATE
- LC_D_ADD_UNIQUE
LC_BIT_SPINLOCK_H
- LC_XATTR_ACL
- LC_POSIX_ACL_XATTR_H
LC_CONST_ACL_SIZE
LC_STRUCT_INTENT_FILE
# 2.6.12
LC_RW_TREE_LOCK
- LC_EXPORT_SYNCHRONIZE_RCU
# 2.6.15
LC_INODE_I_MUTEX
# 2.6.19
LC_INODE_BLKSIZE
- LC_VFS_READDIR_U64_INO
LC_FILE_WRITEV
LC_FILE_READV
LC_VM_OP_FAULT
LC_PROCFS_USERS
LC_EXPORTFS_DECODE_FH
-
- # 2.6.24
- LC_HAVE_MMTYPES_H
+
+ # 2.6.24
+ LC_HAVE_MMTYPES_H
LC_BIO_ENDIO_2ARG
LC_FH_TO_DENTRY
LC_PROCFS_DELETED
LC_EXPORT_BDI_INIT
- #2.6.25
- LC_MAPPING_CAP_WRITEBACK_DIRTY
-
# 2.6.26
LC_FS_STRUCT_USE_PATH
# 2.6.27
+ LC_PGMKWRITE_USE_VMFAULT
LC_INODE_PERMISION_2ARGS
LC_FILE_REMOVE_SUID
LC_TRYLOCKPAGE
# 2.6.27.15-2 sles11
LC_BI_HW_SEGMENTS
LC_HAVE_QUOTAIO_H
- LC_VFS_SYMLINK_5ARGS
+ LC_BDI_NAME
LC_SB_ANY_QUOTA_ACTIVE
LC_SB_HAS_QUOTA_ACTIVE
LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
+ # 2.6.29
+ LC_SB_ANY_QUOTA_LOADED
+
+ # 2.6.30
+ LC_EXPORT_CPUMASK_OF_NODE
+
# 2.6.31
LC_BLK_QUEUE_LOG_BLK_SIZE
LC_SB_BDI
LC_BLK_QUEUE_MAX_SECTORS
LC_BLK_QUEUE_MAX_SEGMENTS
+ LC_SET_CPUS_ALLOWED
+ LC_CACHE_UPCALL
+ LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
+
+ # 2.6.35, 3.0.0
+ LC_FILE_FSYNC
+ LC_EXPORT_SIMPLE_SETATTR
+
+ # 2.6.36
+ LC_FS_STRUCT_RWLOCK
+ LC_SBOPS_EVICT_INODE
+
+ # 2.6.38
+ LC_ATOMIC_MNT_COUNT
+ LC_BLKDEV_GET_BY_DEV
+ LC_GENERIC_PERMISSION
+ LC_QUOTA_ON_USE_PATH
+
+ # 2.6.39
+ LC_REQUEST_QUEUE_UNPLUG_FN
#
if test x$enable_server = xyes ; then
fi
])
+# RHEL5(2.6.18) has tux_info
AC_DEFUN([LC_TASK_CLENV_TUX_INFO],
[AC_MSG_CHECKING([tux_info])
LB_LINUX_TRY_COMPILE([
lustre/include/Makefile
lustre/include/lustre_ver.h
lustre/include/linux/Makefile
+lustre/include/darwin/Makefile
lustre/include/lustre/Makefile
lustre/kernel_patches/targets/2.6-rhel6.target
lustre/kernel_patches/targets/2.6-rhel5.target
git://git.whamcloud.com / fs / lustre-release.git / blobdiff