4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
37 #ifndef _LINUX_COMPAT25_H
38 #define _LINUX_COMPAT25_H
40 #include <linux/fs_struct.h>
41 #include <linux/namei.h>
42 #include <linux/libcfs/linux/portals_compat25.h>
44 #include <linux/lustre_patchless_compat.h>
46 # define LOCK_FS_STRUCT(fs) spin_lock(&(fs)->lock)
47 # define UNLOCK_FS_STRUCT(fs) spin_unlock(&(fs)->lock)
49 static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
50 struct dentry *dentry)
69 * set ATTR_BLOCKS to a high value to avoid any risk of collision with other
70 * ATTR_* attributes (see bug 13828)
72 #define ATTR_BLOCKS (1 << 27)
74 #define current_ngroups current_cred()->group_info->ngroups
75 #define current_groups current_cred()->group_info->small_block
78 * OBD need working random driver, thus all our
79 * initialization routines must be called after device
80 * driver initialization
84 #define module_init(a) late_initcall(a)
88 #define LTIME_S(time) (time.tv_sec)
90 /* inode_dio_wait(i) use as-is for write lock */
91 # define inode_dio_write_done(i) do {} while (0) /* for write unlock */
92 # define inode_dio_read(i) atomic_inc(&(i)->i_dio_count)
93 /* inode_dio_done(i) use as-is for read unlock */
95 #define TREE_READ_LOCK_IRQ(mapping) spin_lock_irq(&(mapping)->tree_lock)
96 #define TREE_READ_UNLOCK_IRQ(mapping) spin_unlock_irq(&(mapping)->tree_lock)
99 #define FS_HAS_FIEMAP (0)
102 #define ll_vfs_rmdir(dir,entry,mnt) vfs_rmdir(dir,entry)
103 #define ll_vfs_mkdir(inode,dir,mnt,mode) vfs_mkdir(inode,dir,mode)
104 #define ll_vfs_link(old,mnt,dir,new,mnt1) vfs_link(old,dir,new)
105 #define ll_vfs_unlink(inode,entry,mnt) vfs_unlink(inode,entry)
106 #define ll_vfs_mknod(dir,entry,mnt,mode,dev) vfs_mknod(dir,entry,mode,dev)
107 #define ll_security_inode_unlink(dir,entry,mnt) security_inode_unlink(dir,entry)
108 #define ll_vfs_rename(old,old_dir,mnt,new,new_dir,mnt1) \
109 vfs_rename(old,old_dir,new,new_dir)
111 #define cfs_bio_io_error(a,b) bio_io_error((a))
112 #define cfs_bio_endio(a,b,c) bio_endio((a),(c))
114 #define cfs_fs_pwd(fs) ((fs)->pwd.dentry)
115 #define cfs_fs_mnt(fs) ((fs)->pwd.mnt)
116 #define cfs_path_put(nd) path_put(&(nd)->path)
119 #ifndef SLAB_DESTROY_BY_RCU
120 #define SLAB_DESTROY_BY_RCU 0
126 ll_quota_on(struct super_block *sb, int off, int ver, char *name, int remount)
130 if (sb->s_qcop->quota_on) {
133 rc = kern_path(name, LOOKUP_FOLLOW, &path);
136 rc = sb->s_qcop->quota_on(sb, off, ver
146 static inline int ll_quota_off(struct super_block *sb, int off, int remount)
148 if (sb->s_qcop->quota_off) {
149 return sb->s_qcop->quota_off(sb, off
157 # define ll_vfs_dq_init dquot_initialize
158 # define ll_vfs_dq_drop dquot_drop
159 # define ll_vfs_dq_transfer dquot_transfer
160 # define ll_vfs_dq_off(sb, remount) dquot_suspend(sb, -1)
166 #define queue_max_phys_segments(rq) queue_max_segments(rq)
167 #define queue_max_hw_segments(rq) queue_max_segments(rq)
170 #define ll_d_hlist_node hlist_node
171 #define ll_d_hlist_empty(list) hlist_empty(list)
172 #define ll_d_hlist_entry(ptr, type, name) hlist_entry(ptr.first, type, name)
173 #define ll_d_hlist_for_each(tmp, i_dentry) hlist_for_each(tmp, i_dentry)
174 #define ll_d_hlist_for_each_entry(dentry, p, i_dentry, alias) \
175 p = NULL; hlist_for_each_entry(dentry, i_dentry, alias)
178 #define bio_hw_segments(q, bio) 0
181 #define ll_pagevec_init(pv, cold) do {} while (0)
182 #define ll_pagevec_add(pv, pg) (0)
183 #define ll_pagevec_lru_add_file(pv) do {} while (0)
190 # define NO_QUOTA (-EDQUOT)
194 #define SEEK_DATA 3 /* seek to the next data */
197 #define SEEK_HOLE 4 /* seek to the next hole */
200 #ifndef FMODE_UNSIGNED_OFFSET
201 #define FMODE_UNSIGNED_OFFSET ((__force fmode_t)0x2000)
204 #if !defined(_ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_) && !defined(ext2_set_bit)
205 # define ext2_set_bit __test_and_set_bit_le
206 # define ext2_clear_bit __test_and_clear_bit_le
207 # define ext2_test_bit test_bit_le
208 # define ext2_find_first_zero_bit find_first_zero_bit_le
209 # define ext2_find_next_zero_bit find_next_zero_bit_le
212 #ifdef ATTR_TIMES_SET
213 # define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET)
215 # define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET)
221 * After 3.1, kernel's nameidata.intent.open.flags is different
222 * with lustre's lookup_intent.it_flags, as lustre's it_flags'
223 * lower bits equal to FMODE_xxx while kernel doesn't transliterate
224 * lower bits of nameidata.intent.open.flags to FMODE_xxx.
226 #include <linux/version.h>
227 static inline int ll_namei_to_lookup_intent_flag(int flag)
229 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0)
230 flag = (flag & ~O_ACCMODE) | OPEN_FMODE(flag);
235 # define LL_MRF_RETURN(rc)
237 #include <linux/fs.h>
239 # define ll_umode_t umode_t
241 #include <linux/dcache.h>
243 # define ll_dirty_inode(inode, flag) (inode)->i_sb->s_op->dirty_inode((inode), flag)
245 #endif /* _COMPAT25_H */