Commit | Line | Data |
---|---|---|
e8062719 BH |
1 | /* |
2 | * Copyright (C) 2005, 2006 | |
27d2e149 | 3 | * Avishay Traeger (avishay@gmail.com) |
e8062719 BH |
4 | * Copyright (C) 2008, 2009 |
5 | * Boaz Harrosh <bharrosh@panasas.com> | |
6 | * | |
7 | * Copyrights for code taken from ext2: | |
8 | * Copyright (C) 1992, 1993, 1994, 1995 | |
9 | * Remy Card (card@masi.ibp.fr) | |
10 | * Laboratoire MASI - Institut Blaise Pascal | |
11 | * Universite Pierre et Marie Curie (Paris VI) | |
12 | * from | |
13 | * linux/fs/minix/inode.c | |
14 | * Copyright (C) 1991, 1992 Linus Torvalds | |
15 | * | |
16 | * This file is part of exofs. | |
17 | * | |
18 | * exofs is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation. Since it is based on ext2, and the only | |
21 | * valid version of GPL for the Linux kernel is version 2, the only valid | |
22 | * version of GPL for exofs is version 2. | |
23 | * | |
24 | * exofs is distributed in the hope that it will be useful, | |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | * GNU General Public License for more details. | |
28 | * | |
29 | * You should have received a copy of the GNU General Public License | |
30 | * along with exofs; if not, write to the Free Software | |
31 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
32 | */ | |
e8062719 BH |
33 | #include "exofs.h" |
34 | ||
35 | static int exofs_release_file(struct inode *inode, struct file *filp) | |
36 | { | |
37 | return 0; | |
38 | } | |
39 | ||
b2848349 BH |
40 | /* exofs_file_fsync - flush the inode to disk |
41 | * | |
42 | * Note, in exofs all metadata is written as part of inode, regardless. | |
43 | * The writeout is synchronous | |
44 | */ | |
7ea80859 | 45 | static int exofs_file_fsync(struct file *filp, int datasync) |
e8062719 BH |
46 | { |
47 | int ret; | |
b2848349 | 48 | struct inode *inode = filp->f_mapping->host; |
baaf94cd | 49 | struct super_block *sb; |
e8062719 | 50 | |
c3765016 | 51 | ret = sync_inode_metadata(inode, 1); |
baaf94cd BH |
52 | |
53 | /* This is a good place to write the sb */ | |
54 | /* TODO: Sechedule an sb-sync on create */ | |
55 | sb = inode->i_sb; | |
56 | if (sb->s_dirt) | |
57 | exofs_sync_fs(sb, 1); | |
58 | ||
59 | return ret; | |
e8062719 BH |
60 | } |
61 | ||
62 | static int exofs_flush(struct file *file, fl_owner_t id) | |
63 | { | |
b2848349 | 64 | int ret = vfs_fsync(file, 0); |
e8062719 | 65 | /* TODO: Flush the OSD target */ |
b2848349 | 66 | return ret; |
e8062719 BH |
67 | } |
68 | ||
69 | const struct file_operations exofs_file_operations = { | |
70 | .llseek = generic_file_llseek, | |
71 | .read = do_sync_read, | |
72 | .write = do_sync_write, | |
73 | .aio_read = generic_file_aio_read, | |
74 | .aio_write = generic_file_aio_write, | |
75 | .mmap = generic_file_mmap, | |
76 | .open = generic_file_open, | |
77 | .release = exofs_release_file, | |
78 | .fsync = exofs_file_fsync, | |
79 | .flush = exofs_flush, | |
80 | .splice_read = generic_file_splice_read, | |
81 | .splice_write = generic_file_splice_write, | |
82 | }; | |
83 | ||
84 | const struct inode_operations exofs_file_inode_operations = { | |
e8062719 BH |
85 | .setattr = exofs_setattr, |
86 | }; |