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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * libcfs/include/libcfs/linux/linux-fs.h
38 * Basic library routines.
41 #ifndef __LIBCFS_LINUX_CFS_FS_H__
42 #define __LIBCFS_LINUX_CFS_FS_H__
44 #ifndef __LIBCFS_LIBCFS_H__
45 #error Do not #include this file directly. #include <libcfs/libcfs.h> instead
49 #error This include is only for kernel use.
53 #include <linux/stat.h>
54 #include <linux/mount.h>
55 #include <linux/backing-dev.h>
56 #include <linux/posix_acl_xattr.h>
58 #define filp_size(f) \
59 (i_size_read((f)->f_dentry->d_inode))
60 #define filp_poff(f) \
63 #ifdef HAVE_FILE_FSYNC_4ARGS
64 # define do_fsync(fp, flag) \
65 ((fp)->f_op->fsync(fp, 0, LLONG_MAX, flag))
66 #elif defined(HAVE_FILE_FSYNC_2ARGS)
67 # define do_fsync(fp, flag) \
68 ((fp)->f_op->fsync(fp, flag))
70 # define do_fsync(fp, flag) \
71 ((fp)->f_op->fsync(fp, (fp)->f_dentry, flag))
74 #define filp_read(fp, buf, size, pos) \
75 ((fp)->f_op->read((fp), (buf), (size), pos))
77 #define filp_write(fp, buf, size, pos) \
78 ((fp)->f_op->write((fp), (buf), (size), pos))
80 #define filp_fsync(fp) \
83 #define flock_type(fl) ((fl)->fl_type)
84 #define flock_set_type(fl, type) do { (fl)->fl_type = (type); } while (0)
85 #define flock_pid(fl) ((fl)->fl_pid)
86 #define flock_set_pid(fl, pid) do { (fl)->fl_pid = (pid); } while (0)
87 #define flock_start(fl) ((fl)->fl_start)
88 #define flock_set_start(fl, st) do { (fl)->fl_start = (st); } while (0)
89 #define flock_end(fl) ((fl)->fl_end)
90 #define flock_set_end(fl, end) do { (fl)->fl_end = (end); } while (0)
92 ssize_t filp_user_write(struct file *filp, const void *buf, size_t count,
100 #define IFTODT(type) (((type) & S_IFMT) >> IFSHIFT)
103 #define DTTOIF(dirtype) ((dirtype) << IFSHIFT)
106 #ifndef HAVE_POSIXACL_USER_NS
108 * Mask out &init_user_ns so we don't jump
109 * through hoops to define it somehow only
110 * to have it ignored anyway.
112 #define posix_acl_from_xattr(a,b,c) posix_acl_from_xattr(b,c)
113 #define posix_acl_to_xattr(a,b,c,d) posix_acl_to_xattr(b,c,d)