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1da177e4 LT |
1 | /* |
2 | * fsync.c | |
3 | * | |
4 | * PURPOSE | |
5 | * Fsync handling routines for the OSTA-UDF(tm) filesystem. | |
6 | * | |
7 | * CONTACTS | |
8 | * E-mail regarding any portion of the Linux UDF file system should be | |
9 | * directed to the development team mailing list (run by majordomo): | |
10 | * linux_udf@hpesjro.fc.hp.com | |
11 | * | |
12 | * COPYRIGHT | |
13 | * This file is distributed under the terms of the GNU General Public | |
14 | * License (GPL). Copies of the GPL can be obtained from: | |
15 | * ftp://prep.ai.mit.edu/pub/gnu/GPL | |
16 | * Each contributing author retains all rights to their own work. | |
17 | * | |
18 | * (C) 1999-2001 Ben Fennema | |
19 | * (C) 1999-2000 Stelias Computing Inc | |
20 | * | |
21 | * HISTORY | |
22 | * | |
23 | * 05/22/99 blf Created. | |
24 | */ | |
25 | ||
26 | #include "udfdecl.h" | |
27 | ||
28 | #include <linux/fs.h> | |
29 | #include <linux/smp_lock.h> | |
30 | ||
31 | static int udf_fsync_inode(struct inode *, int); | |
32 | ||
33 | /* | |
34 | * File may be NULL when we are called. Perhaps we shouldn't | |
35 | * even pass file to fsync ? | |
36 | */ | |
37 | ||
38 | int udf_fsync_file(struct file * file, struct dentry *dentry, int datasync) | |
39 | { | |
40 | struct inode *inode = dentry->d_inode; | |
41 | return udf_fsync_inode(inode, datasync); | |
42 | } | |
43 | ||
44 | static int udf_fsync_inode(struct inode *inode, int datasync) | |
45 | { | |
46 | int err; | |
47 | ||
48 | err = sync_mapping_buffers(inode->i_mapping); | |
49 | if (!(inode->i_state & I_DIRTY)) | |
50 | return err; | |
51 | if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) | |
52 | return err; | |
53 | ||
54 | err |= udf_sync_inode (inode); | |
55 | return err ? -EIO : 0; | |
56 | } |