drivers/staging/lustre/lustre/include/linux/lustre_compat25.h - pub/scm/linux/kernel/git/linville/wireless-next - Git at Google

 /*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 only,
  * as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License version 2 for more details (a copy is included
  * in the LICENSE file that accompanied this code).
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  *
  * GPL HEADER END
  */
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
  * Copyright (c) 2011, 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
  * Lustre is a trademark of Sun Microsystems, Inc.
  */

 #ifndef _LINUX_COMPAT25_H
 #define _LINUX_COMPAT25_H

 #include <linux/fs_struct.h>
 #include <linux/namei.h>

 #include "lustre_patchless_compat.h"

 # define LOCK_FS_STRUCT(fs)	spin_lock(&(fs)->lock)
 # define UNLOCK_FS_STRUCT(fs)	spin_unlock(&(fs)->lock)

 static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
 				 struct dentry *dentry)
 {
 	struct path path;
 	struct path old_pwd;

 	path.mnt = mnt;
 	path.dentry = dentry;
 	LOCK_FS_STRUCT(fs);
 	old_pwd = fs->pwd;
 	path_get(&path);
 	fs->pwd = path;
 	UNLOCK_FS_STRUCT(fs);

 	if (old_pwd.dentry)
 		path_put(&old_pwd);
 }


 /*
  * set ATTR_BLOCKS to a high value to avoid any risk of collision with other
  * ATTR_* attributes (see bug 13828)
  */
 #define ATTR_BLOCKS    (1 << 27)

 #define current_ngroups current_cred()->group_info->ngroups
 #define current_groups current_cred()->group_info->small_block

 /*
  * OBD need working random driver, thus all our
  * initialization routines must be called after device
  * driver initialization
  */
 #ifndef MODULE
 #undef module_init
 #define module_init(a)     late_initcall(a)
 #endif


 #define LTIME_S(time)		   (time.tv_sec)

 /* inode_dio_wait(i) use as-is for write lock */
 # define inode_dio_write_done(i)	do {} while (0) /* for write unlock */
 # define inode_dio_read(i)		atomic_inc(&(i)->i_dio_count)
 /* inode_dio_done(i) use as-is for read unlock */


 #ifndef FS_HAS_FIEMAP
 #define FS_HAS_FIEMAP			(0)
 #endif

 #define ll_vfs_rmdir(dir, entry, mnt)	     vfs_rmdir(dir, entry)
 #define ll_vfs_mkdir(inode, dir, mnt, mode)	vfs_mkdir(inode, dir, mode)
 #define ll_vfs_link(old, mnt, dir, new, mnt1)       vfs_link(old, dir, new)
 #define ll_vfs_unlink(inode, entry, mnt)	  vfs_unlink(inode, entry)
 #define ll_vfs_mknod(dir, entry, mnt, mode, dev) \
 		     vfs_mknod(dir, entry, mode, dev)
 #define ll_security_inode_unlink(dir, entry, mnt) \
 				 security_inode_unlink(dir, entry)
 #define ll_vfs_rename(old, old_dir, mnt, new, new_dir, mnt1) \
 		vfs_rename(old, old_dir, new, new_dir, NULL, 0)

 #define cfs_bio_io_error(a, b)   bio_io_error((a))
 #define cfs_bio_endio(a, b, c)    bio_endio((a), (c))

 #define cfs_fs_pwd(fs)       ((fs)->pwd.dentry)
 #define cfs_fs_mnt(fs)       ((fs)->pwd.mnt)
 #define cfs_path_put(nd)     path_put(&(nd)->path)


 #ifndef SLAB_DESTROY_BY_RCU
 #define SLAB_DESTROY_BY_RCU 0
 #endif


 static inline int
 ll_quota_on(struct super_block *sb, int off, int ver, char *name, int remount)
 {
 	int rc;

 	if (sb->s_qcop->quota_on) {
 		struct path path;

 		rc = kern_path(name, LOOKUP_FOLLOW, &path);
 		if (!rc)
 			return rc;
 		rc = sb->s_qcop->quota_on(sb, off, ver
 					    , &path
 					   );
 		path_put(&path);
 		return rc;
 	} else
 		return -ENOSYS;
 }

 static inline int ll_quota_off(struct super_block *sb, int off, int remount)
 {
 	if (sb->s_qcop->quota_off) {
 		return sb->s_qcop->quota_off(sb, off
 					    );
 	} else
 		return -ENOSYS;
 }


 # define ll_vfs_dq_init	     dquot_initialize
 # define ll_vfs_dq_drop	     dquot_drop
 # define ll_vfs_dq_transfer	 dquot_transfer
 # define ll_vfs_dq_off(sb, remount) dquot_suspend(sb, -1)


 #define queue_max_phys_segments(rq)       queue_max_segments(rq)
 #define queue_max_hw_segments(rq)	 queue_max_segments(rq)


 #define ll_d_hlist_node hlist_node
 #define ll_d_hlist_empty(list) hlist_empty(list)
 #define ll_d_hlist_entry(ptr, type, name) hlist_entry(ptr.first, type, name)
 #define ll_d_hlist_for_each(tmp, i_dentry) hlist_for_each(tmp, i_dentry)
 #define ll_d_hlist_for_each_entry(dentry, p, i_dentry, alias) \
 	p = NULL; hlist_for_each_entry(dentry, i_dentry, alias)


 #define bio_hw_segments(q, bio) 0


 #define ll_pagevec_init(pv, cold)       do {} while (0)
 #define ll_pagevec_add(pv, pg)	  (0)
 #define ll_pagevec_lru_add_file(pv)     do {} while (0)


 #ifndef QUOTA_OK
 # define QUOTA_OK 0
 #endif
 #ifndef NO_QUOTA
 # define NO_QUOTA (-EDQUOT)
 #endif

 #ifndef SEEK_DATA
 #define SEEK_DATA      3       /* seek to the next data */
 #endif
 #ifndef SEEK_HOLE
 #define SEEK_HOLE      4       /* seek to the next hole */
 #endif

 #ifndef FMODE_UNSIGNED_OFFSET
 #define FMODE_UNSIGNED_OFFSET	((__force fmode_t)0x2000)
 #endif

 #if !defined(_ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_) && !defined(ext2_set_bit)
 # define ext2_set_bit	     __test_and_set_bit_le
 # define ext2_clear_bit	   __test_and_clear_bit_le
 # define ext2_test_bit	    test_bit_le
 # define ext2_find_first_zero_bit find_first_zero_bit_le
 # define ext2_find_next_zero_bit  find_next_zero_bit_le
 #endif

 #ifdef ATTR_TIMES_SET
 # define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET)
 #else
 # define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET)
 #endif


 /*
  * After 3.1, kernel's nameidata.intent.open.flags is different
  * with lustre's lookup_intent.it_flags, as lustre's it_flags'
  * lower bits equal to FMODE_xxx while kernel doesn't transliterate
  * lower bits of nameidata.intent.open.flags to FMODE_xxx.
  * */
 #include <linux/version.h>
 static inline int ll_namei_to_lookup_intent_flag(int flag)
 {
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0)
 	flag = (flag & ~O_ACCMODE) | OPEN_FMODE(flag);
 #endif
 	return flag;
 }

 #include <linux/fs.h>

 # define ll_umode_t	umode_t

 #include <linux/dcache.h>

 # define ll_dirty_inode(inode, flag)	(inode)->i_sb->s_op->dirty_inode((inode), flag)

 #endif /* _COMPAT25_H */
	/*
	* GPL HEADER START
	*
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 only,
	* as published by the Free Software Foundation.
	*
	* This program is distributed in the hope that it will be useful, but
	* WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* General Public License version 2 for more details (a copy is included
	* in the LICENSE file that accompanied this code).
	*
	* You should have received a copy of the GNU General Public License
	* version 2 along with this program; If not, see
	* http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
	*
	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
	* CA 95054 USA or visit www.sun.com if you need additional information or
	* have any questions.
	*
	* GPL HEADER END
	*/
	/*
	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
	* Use is subject to license terms.
	*
	* Copyright (c) 2011, 2012, Intel Corporation.
	*/
	/*
	* This file is part of Lustre, http://www.lustre.org/
	* Lustre is a trademark of Sun Microsystems, Inc.
	*/

	#ifndef _LINUX_COMPAT25_H
	#define _LINUX_COMPAT25_H

	#include <linux/fs_struct.h>
	#include <linux/namei.h>

	#include "lustre_patchless_compat.h"

	# define LOCK_FS_STRUCT(fs) spin_lock(&(fs)->lock)
	# define UNLOCK_FS_STRUCT(fs) spin_unlock(&(fs)->lock)

	static inline void ll_set_fs_pwd(struct fs_struct fs, struct vfsmount mnt,
	struct dentry *dentry)
	{
	struct path path;
	struct path old_pwd;

	path.mnt = mnt;
	path.dentry = dentry;
	LOCK_FS_STRUCT(fs);
	old_pwd = fs->pwd;
	path_get(&path);
	fs->pwd = path;
	UNLOCK_FS_STRUCT(fs);

	if (old_pwd.dentry)
	path_put(&old_pwd);
	}


	/*
	* set ATTR_BLOCKS to a high value to avoid any risk of collision with other
	* ATTR_* attributes (see bug 13828)
	*/
	#define ATTR_BLOCKS (1 << 27)

	#define current_ngroups current_cred()->group_info->ngroups
	#define current_groups current_cred()->group_info->small_block

	/*
	* OBD need working random driver, thus all our
	* initialization routines must be called after device
	* driver initialization
	*/
	#ifndef MODULE
	#undef module_init
	#define module_init(a) late_initcall(a)
	#endif


	#define LTIME_S(time) (time.tv_sec)

	/* inode_dio_wait(i) use as-is for write lock */
	# define inode_dio_write_done(i) do {} while (0) /* for write unlock */
	# define inode_dio_read(i) atomic_inc(&(i)->i_dio_count)
	/* inode_dio_done(i) use as-is for read unlock */


	#ifndef FS_HAS_FIEMAP
	#define FS_HAS_FIEMAP (0)
	#endif

	#define ll_vfs_rmdir(dir, entry, mnt) vfs_rmdir(dir, entry)
	#define ll_vfs_mkdir(inode, dir, mnt, mode) vfs_mkdir(inode, dir, mode)
	#define ll_vfs_link(old, mnt, dir, new, mnt1) vfs_link(old, dir, new)
	#define ll_vfs_unlink(inode, entry, mnt) vfs_unlink(inode, entry)
	#define ll_vfs_mknod(dir, entry, mnt, mode, dev) \
	vfs_mknod(dir, entry, mode, dev)
	#define ll_security_inode_unlink(dir, entry, mnt) \
	security_inode_unlink(dir, entry)
	#define ll_vfs_rename(old, old_dir, mnt, new, new_dir, mnt1) \
	vfs_rename(old, old_dir, new, new_dir, NULL, 0)

	#define cfs_bio_io_error(a, b) bio_io_error((a))
	#define cfs_bio_endio(a, b, c) bio_endio((a), (c))

	#define cfs_fs_pwd(fs) ((fs)->pwd.dentry)
	#define cfs_fs_mnt(fs) ((fs)->pwd.mnt)
	#define cfs_path_put(nd) path_put(&(nd)->path)


	#ifndef SLAB_DESTROY_BY_RCU
	#define SLAB_DESTROY_BY_RCU 0
	#endif



	static inline int
	ll_quota_on(struct super_block sb, int off, int ver, char name, int remount)
	{
	int rc;

	if (sb->s_qcop->quota_on) {
	struct path path;

	rc = kern_path(name, LOOKUP_FOLLOW, &path);
	if (!rc)
	return rc;
	rc = sb->s_qcop->quota_on(sb, off, ver
	, &path
	);
	path_put(&path);
	return rc;
	} else
	return -ENOSYS;
	}

	static inline int ll_quota_off(struct super_block *sb, int off, int remount)
	{
	if (sb->s_qcop->quota_off) {
	return sb->s_qcop->quota_off(sb, off
	);
	} else
	return -ENOSYS;
	}


	# define ll_vfs_dq_init dquot_initialize
	# define ll_vfs_dq_drop dquot_drop
	# define ll_vfs_dq_transfer dquot_transfer
	# define ll_vfs_dq_off(sb, remount) dquot_suspend(sb, -1)





	#define queue_max_phys_segments(rq) queue_max_segments(rq)
	#define queue_max_hw_segments(rq) queue_max_segments(rq)


	#define ll_d_hlist_node hlist_node
	#define ll_d_hlist_empty(list) hlist_empty(list)
	#define ll_d_hlist_entry(ptr, type, name) hlist_entry(ptr.first, type, name)
	#define ll_d_hlist_for_each(tmp, i_dentry) hlist_for_each(tmp, i_dentry)
	#define ll_d_hlist_for_each_entry(dentry, p, i_dentry, alias) \
	p = NULL; hlist_for_each_entry(dentry, i_dentry, alias)


	#define bio_hw_segments(q, bio) 0


	#define ll_pagevec_init(pv, cold) do {} while (0)
	#define ll_pagevec_add(pv, pg) (0)
	#define ll_pagevec_lru_add_file(pv) do {} while (0)


	#ifndef QUOTA_OK
	# define QUOTA_OK 0
	#endif
	#ifndef NO_QUOTA
	# define NO_QUOTA (-EDQUOT)
	#endif

	#ifndef SEEK_DATA
	#define SEEK_DATA 3 /* seek to the next data */
	#endif
	#ifndef SEEK_HOLE
	#define SEEK_HOLE 4 /* seek to the next hole */
	#endif

	#ifndef FMODE_UNSIGNED_OFFSET
	#define FMODE_UNSIGNED_OFFSET ((__force fmode_t)0x2000)
	#endif

	#if !defined(_ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_) && !defined(ext2_set_bit)
	# define ext2_set_bit __test_and_set_bit_le
	# define ext2_clear_bit __test_and_clear_bit_le
	# define ext2_test_bit test_bit_le
	# define ext2_find_first_zero_bit find_first_zero_bit_le
	# define ext2_find_next_zero_bit find_next_zero_bit_le
	#endif

	#ifdef ATTR_TIMES_SET
	# define TIMES_SET_FLAGS (ATTR_MTIME_SET \| ATTR_ATIME_SET \| ATTR_TIMES_SET)
	#else
	# define TIMES_SET_FLAGS (ATTR_MTIME_SET \| ATTR_ATIME_SET)
	#endif



	/*
	* After 3.1, kernel's nameidata.intent.open.flags is different
	* with lustre's lookup_intent.it_flags, as lustre's it_flags'
	* lower bits equal to FMODE_xxx while kernel doesn't transliterate
	* lower bits of nameidata.intent.open.flags to FMODE_xxx.
	* */
	#include <linux/version.h>
	static inline int ll_namei_to_lookup_intent_flag(int flag)
	{
	#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0)
	flag = (flag & ~O_ACCMODE) \| OPEN_FMODE(flag);
	#endif
	return flag;
	}

	#include <linux/fs.h>

	# define ll_umode_t umode_t

	#include <linux/dcache.h>

	# define ll_dirty_inode(inode, flag) (inode)->i_sb->s_op->dirty_inode((inode), flag)

	#endif /* _COMPAT25_H */