[PATCH] BLOCK: Move the Ext2 device ioctl compat stuff to the Ext2 driver [try #6]
[linux-2.6] / fs / ext2 / file.c
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  */
31 static 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  */
42 const struct file_operations ext2_file_operations = {
43         .llseek         = generic_file_llseek,
44         .read           = generic_file_read,
45         .write          = generic_file_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         .readv          = generic_file_readv,
57         .writev         = generic_file_writev,
58         .sendfile       = generic_file_sendfile,
59         .splice_read    = generic_file_splice_read,
60         .splice_write   = generic_file_splice_write,
61 };
62
63 #ifdef CONFIG_EXT2_FS_XIP
64 const struct file_operations ext2_xip_file_operations = {
65         .llseek         = generic_file_llseek,
66         .read           = xip_file_read,
67         .write          = xip_file_write,
68         .ioctl          = ext2_ioctl,
69 #ifdef CONFIG_COMPAT
70         .compat_ioctl   = ext2_compat_ioctl,
71 #endif
72         .mmap           = xip_file_mmap,
73         .open           = generic_file_open,
74         .release        = ext2_release_file,
75         .fsync          = ext2_sync_file,
76         .sendfile       = xip_file_sendfile,
77 };
78 #endif
79
80 struct inode_operations ext2_file_inode_operations = {
81         .truncate       = ext2_truncate,
82 #ifdef CONFIG_EXT2_FS_XATTR
83         .setxattr       = generic_setxattr,
84         .getxattr       = generic_getxattr,
85         .listxattr      = ext2_listxattr,
86         .removexattr    = generic_removexattr,
87 #endif
88         .setattr        = ext2_setattr,
89         .permission     = ext2_permission,
90 };