2 * Copyright (C) 2005, 2006
3 * Avishay Traeger (avishay@gmail.com)
4 * Copyright (C) 2008, 2009
5 * Boaz Harrosh <bharrosh@panasas.com>
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)
13 * linux/fs/minix/inode.c
14 * Copyright (C) 1991, 1992 Linus Torvalds
16 * This file is part of exofs.
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.
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.
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
34 #include <linux/buffer_head.h>
38 static int exofs_release_file(struct inode
*inode
, struct file
*filp
)
43 static int exofs_file_fsync(struct file
*filp
, struct dentry
*dentry
,
47 struct address_space
*mapping
= filp
->f_mapping
;
49 ret
= filemap_write_and_wait(mapping
);
53 /*Note: file_fsync below also calles sync_blockdev, which is a no-op
54 * for exofs, but other then that it does sync_inode and
55 * sync_superblock which is what we need here.
57 return file_fsync(filp
, dentry
, datasync
);
60 static int exofs_flush(struct file
*file
, fl_owner_t id
)
62 exofs_file_fsync(file
, file
->f_path
.dentry
, 1);
63 /* TODO: Flush the OSD target */
67 const struct file_operations exofs_file_operations
= {
68 .llseek
= generic_file_llseek
,
70 .write
= do_sync_write
,
71 .aio_read
= generic_file_aio_read
,
72 .aio_write
= generic_file_aio_write
,
73 .mmap
= generic_file_mmap
,
74 .open
= generic_file_open
,
75 .release
= exofs_release_file
,
76 .fsync
= exofs_file_fsync
,
78 .splice_read
= generic_file_splice_read
,
79 .splice_write
= generic_file_splice_write
,
82 const struct inode_operations exofs_file_inode_operations
= {
83 .truncate
= exofs_truncate
,
84 .setattr
= exofs_setattr
,