2 * Copyright (C) 2005, 2006
3 * Avishay Traeger (avishay@gmail.com)
4 * Copyright (C) 2008, 2009
5 * Boaz Harrosh <ooo@electrozaur.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
35 static int exofs_release_file(struct inode *inode, struct file *filp)
40 /* exofs_file_fsync - flush the inode to disk
42 * Note, in exofs all metadata is written as part of inode, regardless.
43 * The writeout is synchronous
45 static int exofs_file_fsync(struct file *filp, loff_t start, loff_t end,
48 struct inode *inode = filp->f_mapping->host;
51 ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
55 mutex_lock(&inode->i_mutex);
56 ret = sync_inode_metadata(filp->f_mapping->host, 1);
57 mutex_unlock(&inode->i_mutex);
61 static int exofs_flush(struct file *file, fl_owner_t id)
63 int ret = vfs_fsync(file, 0);
64 /* TODO: Flush the OSD target */
68 const struct file_operations exofs_file_operations = {
69 .llseek = generic_file_llseek,
70 .read_iter = generic_file_read_iter,
71 .write_iter = generic_file_write_iter,
72 .mmap = generic_file_mmap,
73 .open = generic_file_open,
74 .release = exofs_release_file,
75 .fsync = exofs_file_fsync,
77 .splice_read = generic_file_splice_read,
78 .splice_write = iter_file_splice_write,
81 const struct inode_operations exofs_file_inode_operations = {
82 .setattr = exofs_setattr,