| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 | } |