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 }
57
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