git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * fsync.c | |
| 3 | * | |
| 4 | * PURPOSE | |
| 5 | * Fsync handling routines for the OSTA-UDF(tm) filesystem. | |
| 6 | * | |
| 1da177e4 LT |
7 | * COPYRIGHT |
| 8 | * This file is distributed under the terms of the GNU General Public | |
| 9 | * License (GPL). Copies of the GPL can be obtained from: | |
| 10 | * ftp://prep.ai.mit.edu/pub/gnu/GPL | |
| 11 | * Each contributing author retains all rights to their own work. | |
| 12 | * | |
| 13 | * (C) 1999-2001 Ben Fennema | |
| 14 | * (C) 1999-2000 Stelias Computing Inc | |
| 15 | * | |
| 16 | * HISTORY | |
| 17 | * | |
| 18 | * 05/22/99 blf Created. | |
| 19 | */ | |
| 20 | ||
| 21 | #include "udfdecl.h" | |
| 22 | ||
| 23 | #include <linux/fs.h> | |
| 1da177e4 LT |
24 | |
| 25 | static int udf_fsync_inode(struct inode *, int); | |
| 26 | ||
| 27 | /* | |
| 28 | * File may be NULL when we are called. Perhaps we shouldn't | |
| 29 | * even pass file to fsync ? | |
| 30 | */ | |
| 31 | ||
| cb00ea35 | 32 | int udf_fsync_file(struct file *file, struct dentry *dentry, int datasync) |
| 1da177e4 LT |
33 | { |
| 34 | struct inode *inode = dentry->d_inode; | |
| 28de7948 | 35 | |
| 1da177e4 LT |
36 | return udf_fsync_inode(inode, datasync); |
| 37 | } | |
| 38 | ||
| 39 | static int udf_fsync_inode(struct inode *inode, int datasync) | |
| 40 | { | |
| 41 | int err; | |
| 42 | ||
| 43 | err = sync_mapping_buffers(inode->i_mapping); | |
| 44 | if (!(inode->i_state & I_DIRTY)) | |
| 45 | return err; | |
| 46 | if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) | |
| 47 | return err; | |
| 48 | ||
| cb00ea35 | 49 | err |= udf_sync_inode(inode); |
| 28de7948 | 50 | |
| 1da177e4 LT |
51 | return err ? -EIO : 0; |
| 52 | } |