| /* |
| * Copyright (C) 2005, 2006 |
| * Avishay Traeger (avishay@gmail.com) |
| * Copyright (C) 2008, 2009 |
| * Boaz Harrosh <bharrosh@panasas.com> |
| * |
| * Copyrights for code taken from ext2: |
| * Copyright (C) 1992, 1993, 1994, 1995 |
| * Remy Card (card@masi.ibp.fr) |
| * Laboratoire MASI - Institut Blaise Pascal |
| * Universite Pierre et Marie Curie (Paris VI) |
| * from |
| * linux/fs/minix/inode.c |
| * Copyright (C) 1991, 1992 Linus Torvalds |
| * |
| * This file is part of exofs. |
| * |
| * exofs is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation. Since it is based on ext2, and the only |
| * valid version of GPL for the Linux kernel is version 2, the only valid |
| * version of GPL for exofs is version 2. |
| * |
| * exofs is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with exofs; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <linux/buffer_head.h> |
| |
| #include "exofs.h" |
| |
| static int exofs_release_file(struct inode *inode, struct file *filp) |
| { |
| return 0; |
| } |
| |
| static int exofs_file_fsync(struct file *filp, int datasync) |
| { |
| int ret; |
| struct address_space *mapping = filp->f_mapping; |
| struct inode *inode = mapping->host; |
| struct super_block *sb; |
| |
| ret = filemap_write_and_wait(mapping); |
| if (ret) |
| return ret; |
| |
| /* sync the inode attributes */ |
| ret = write_inode_now(inode, 1); |
| |
| /* This is a good place to write the sb */ |
| /* TODO: Sechedule an sb-sync on create */ |
| sb = inode->i_sb; |
| if (sb->s_dirt) |
| exofs_sync_fs(sb, 1); |
| |
| return ret; |
| } |
| |
| static int exofs_flush(struct file *file, fl_owner_t id) |
| { |
| exofs_file_fsync(file, 1); |
| /* TODO: Flush the OSD target */ |
| return 0; |
| } |
| |
| const struct file_operations exofs_file_operations = { |
| .llseek = generic_file_llseek, |
| .read = do_sync_read, |
| .write = do_sync_write, |
| .aio_read = generic_file_aio_read, |
| .aio_write = generic_file_aio_write, |
| .mmap = generic_file_mmap, |
| .open = generic_file_open, |
| .release = exofs_release_file, |
| .fsync = exofs_file_fsync, |
| .flush = exofs_flush, |
| .splice_read = generic_file_splice_read, |
| .splice_write = generic_file_splice_write, |
| }; |
| |
| const struct inode_operations exofs_file_inode_operations = { |
| .setattr = exofs_setattr, |
| }; |