1/*
2 *  linux/fs/ext2/file.c
3 *
4 * Copyright (C) 1992, 1993, 1994, 1995
5 * Remy Card (card@masi.ibp.fr)
6 * Laboratoire MASI - Institut Blaise Pascal
7 * Universite Pierre et Marie Curie (Paris VI)
8 *
9 *  from
10 *
11 *  linux/fs/minix/file.c
12 *
13 *  Copyright (C) 1991, 1992  Linus Torvalds
14 *
15 *  ext2 fs regular file handling primitives
16 *
17 *  64-bit file support on 64-bit platforms by Jakub Jelinek
18 * 	(jj@sunsite.ms.mff.cuni.cz)
19 */
20
21#include <linux/time.h>
22#include "ext2.h"
23#include "xattr.h"
24#include "acl.h"
25
26/*
27 * Called when an inode is released. Note that this is different
28 * from ext2_open_file: open gets called at every open, but release
29 * gets called only when /all/ the files are closed.
30 */
31static int ext2_release_file (struct inode * inode, struct file * filp)
32{
33	if (filp->f_mode & FMODE_WRITE)
34		ext2_discard_prealloc (inode);
35	return 0;
36}
37
38/*
39 * We have mostly NULL's here: the current defaults are ok for
40 * the ext2 filesystem.
41 */
42const struct file_operations ext2_file_operations = {
43	.llseek		= generic_file_llseek,
44	.read		= do_sync_read,
45	.write		= do_sync_write,
46	.aio_read	= generic_file_aio_read,
47	.aio_write	= generic_file_aio_write,
48	.ioctl		= ext2_ioctl,
49#ifdef CONFIG_COMPAT
50	.compat_ioctl	= ext2_compat_ioctl,
51#endif
52	.mmap		= generic_file_mmap,
53	.open		= generic_file_open,
54	.release	= ext2_release_file,
55	.fsync		= ext2_sync_file,
56	.sendfile	= generic_file_sendfile,
57	.splice_read	= generic_file_splice_read,
58	.splice_write	= generic_file_splice_write,
59};
60
61#ifdef CONFIG_EXT2_FS_XIP
62const struct file_operations ext2_xip_file_operations = {
63	.llseek		= generic_file_llseek,
64	.read		= xip_file_read,
65	.write		= xip_file_write,
66	.ioctl		= ext2_ioctl,
67#ifdef CONFIG_COMPAT
68	.compat_ioctl	= ext2_compat_ioctl,
69#endif
70	.mmap		= xip_file_mmap,
71	.open		= generic_file_open,
72	.release	= ext2_release_file,
73	.fsync		= ext2_sync_file,
74	.sendfile	= xip_file_sendfile,
75};
76#endif
77
78const struct inode_operations ext2_file_inode_operations = {
79	.truncate	= ext2_truncate,
80#ifdef CONFIG_EXT2_FS_XATTR
81	.setxattr	= generic_setxattr,
82	.getxattr	= generic_getxattr,
83	.listxattr	= ext2_listxattr,
84	.removexattr	= generic_removexattr,
85#endif
86	.setattr	= ext2_setattr,
87	.permission	= ext2_permission,
88};
89