blob: 17765f697e50f68f7a29906b8f4aef36709abb29 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/fs/minix/file.c
3 *
4 * Copyright (C) 1991, 1992 Linus Torvalds
5 *
6 * minix regular file handling primitives
7 */
8
9#include <linux/buffer_head.h> /* for fsync_inode_buffers() */
10#include "minix.h"
11
12/*
13 * We have mostly NULLs here: the current defaults are OK for
14 * the minix filesystem.
15 */
16int minix_sync_file(struct file *, struct dentry *, int);
17
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080018const struct file_operations minix_file_operations = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070019 .llseek = generic_file_llseek,
Badari Pulavarty543ade12006-09-30 23:28:48 -070020 .read = do_sync_read,
21 .aio_read = generic_file_aio_read,
22 .write = do_sync_write,
23 .aio_write = generic_file_aio_write,
Linus Torvalds1da177e2005-04-16 15:20:36 -070024 .mmap = generic_file_mmap,
25 .fsync = minix_sync_file,
Jens Axboe5ffc4ef2007-06-01 11:49:19 +020026 .splice_read = generic_file_splice_read,
Linus Torvalds1da177e2005-04-16 15:20:36 -070027};
28
Arjan van de Ven92e1d5b2007-02-12 00:55:39 -080029const struct inode_operations minix_file_inode_operations = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070030 .truncate = minix_truncate,
31 .getattr = minix_getattr,
32};
33
34int minix_sync_file(struct file * file, struct dentry *dentry, int datasync)
35{
36 struct inode *inode = dentry->d_inode;
37 int err;
38
39 err = sync_mapping_buffers(inode->i_mapping);
40 if (!(inode->i_state & I_DIRTY))
41 return err;
42 if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
43 return err;
44
45 err |= minix_sync_inode(inode);
46 return err ? -EIO : 0;
47}