]>
Commit | Line | Data |
---|---|---|
716154c5 BB |
1 | /*****************************************************************************\ |
2 | * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. | |
3 | * Copyright (C) 2007 The Regents of the University of California. | |
4 | * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). | |
5 | * Written by Brian Behlendorf <behlendorf1@llnl.gov>. | |
6 | * UCRL-CODE-235197 | |
7 | * | |
8 | * This file is part of the SPL, Solaris Porting Layer. | |
3d6af2dd | 9 | * For details, see <http://zfsonlinux.org/>. |
716154c5 BB |
10 | * |
11 | * The SPL is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the | |
13 | * Free Software Foundation; either version 2 of the License, or (at your | |
14 | * option) any later version. | |
15 | * | |
16 | * The SPL is distributed in the hope that it will be useful, but WITHOUT | |
17 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
19 | * for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License along | |
22 | * with the SPL. If not, see <http://www.gnu.org/licenses/>. | |
23 | \*****************************************************************************/ | |
24 | ||
86de8532 BB |
25 | #ifndef _SPL_FILE_COMPAT_H |
26 | #define _SPL_FILE_COMPAT_H | |
27 | ||
55abb092 | 28 | #include <linux/fs.h> |
86de8532 BB |
29 | #ifdef HAVE_FDTABLE_HEADER |
30 | #include <linux/fdtable.h> | |
31 | #endif | |
32 | ||
f0ff89fc BB |
33 | static inline struct file * |
34 | spl_filp_open(const char *name, int flags, int mode, int *err) | |
35 | { | |
36 | struct file *filp = NULL; | |
37 | int rc; | |
38 | ||
39 | filp = filp_open(name, flags, mode); | |
40 | if (IS_ERR(filp)) { | |
41 | rc = PTR_ERR(filp); | |
42 | if (err) | |
43 | *err = rc; | |
44 | filp = NULL; | |
45 | } | |
46 | return filp; | |
47 | } | |
48 | ||
49 | #define spl_filp_close(f) filp_close(f, NULL) | |
50 | #define spl_filp_poff(f) (&(f)->f_pos) | |
51 | #define spl_filp_write(fp, b, s, p) (fp)->f_op->write((fp), (b), (s), p) | |
52 | ||
1c7b3eaf BB |
53 | static inline int |
54 | spl_filp_fallocate(struct file *fp, int mode, loff_t offset, loff_t len) | |
55 | { | |
56 | int error = -EOPNOTSUPP; | |
57 | ||
58 | #ifdef HAVE_FILE_FALLOCATE | |
59 | if (fp->f_op->fallocate) | |
60 | error = fp->f_op->fallocate(fp, mode, offset, len); | |
61 | #else | |
dcf91382 | 62 | #ifdef HAVE_INODE_FALLOCATE |
1c7b3eaf BB |
63 | if (fp->f_dentry && fp->f_dentry->d_inode && |
64 | fp->f_dentry->d_inode->i_op->fallocate) | |
65 | error = fp->f_dentry->d_inode->i_op->fallocate( | |
66 | fp->f_dentry->d_inode, mode, offset, len); | |
dcf91382 | 67 | #endif /* HAVE_INODE_FALLOCATE */ |
1c7b3eaf BB |
68 | #endif /*HAVE_FILE_FALLOCATE */ |
69 | ||
70 | return (error); | |
71 | } | |
72 | ||
dcf91382 BB |
73 | #ifdef HAVE_2ARGS_VFS_FSYNC |
74 | #define spl_filp_fsync(fp, sync) vfs_fsync(fp, sync) | |
f0ff89fc | 75 | #else |
dcf91382 BB |
76 | #define spl_filp_fsync(fp, sync) vfs_fsync(fp, (fp)->f_dentry, sync) |
77 | #endif /* HAVE_2ARGS_VFS_FSYNC */ | |
f0ff89fc | 78 | |
628fc521 | 79 | #define spl_inode_lock(ip) mutex_lock_nested(&(ip)->i_mutex, I_MUTEX_PARENT) |
2bc5666f | 80 | #define spl_inode_unlock(ip) mutex_unlock(&(ip)->i_mutex) |
6bf4d76f | 81 | |
86de8532 BB |
82 | #endif /* SPL_FILE_COMPAT_H */ |
83 |