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1da177e4 LT |
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 | */ | |
4b6f5d20 | 42 | const struct file_operations ext2_file_operations = { |
1da177e4 LT |
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, | |
5274f052 JA |
56 | .splice_read = generic_file_splice_read, |
57 | .splice_write = generic_file_splice_write, | |
1da177e4 LT |
58 | }; |
59 | ||
6d79125b | 60 | #ifdef CONFIG_EXT2_FS_XIP |
4b6f5d20 | 61 | const struct file_operations ext2_xip_file_operations = { |
6d79125b | 62 | .llseek = generic_file_llseek, |
eb6fe0c3 CO |
63 | .read = xip_file_read, |
64 | .write = xip_file_write, | |
6d79125b CO |
65 | .ioctl = ext2_ioctl, |
66 | .mmap = xip_file_mmap, | |
67 | .open = generic_file_open, | |
68 | .release = ext2_release_file, | |
69 | .fsync = ext2_sync_file, | |
6d79125b CO |
70 | .sendfile = xip_file_sendfile, |
71 | }; | |
72 | #endif | |
73 | ||
1da177e4 LT |
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 | }; |