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 .mmap = generic_file_mmap,
50 .open = generic_file_open,
51 .release = ext2_release_file,
52 .fsync = ext2_sync_file,
53 .readv = generic_file_readv,
54 .writev = generic_file_writev,
55 .sendfile = generic_file_sendfile,
56 .splice_read = generic_file_splice_read,
57 .splice_write = generic_file_splice_write,
58 };
59
60 #ifdef CONFIG_EXT2_FS_XIP
61 const struct file_operations ext2_xip_file_operations = {
62 .llseek = generic_file_llseek,
63 .read = xip_file_read,
64 .write = xip_file_write,
65 .ioctl = ext2_ioctl,
66 .mmap = xip_file_mmap,
67 .open = generic_file_open,
68 .release = ext2_release_file,
69 .fsync = ext2_sync_file,
70 .sendfile = xip_file_sendfile,
71 };
72 #endif
73
74 struct inode_operations ext2_file_inode_operations = {
75 .truncate = ext2_truncate,
76 #ifdef CONFIG_EXT2_FS_XATTR
77 .setxattr = generic_setxattr,
78 .getxattr = generic_getxattr,
79 .listxattr = ext2_listxattr,
80 .removexattr = generic_removexattr,
81 #endif
82 .setattr = ext2_setattr,
83 .permission = ext2_permission,
84 };
85
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