projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| e8062719 BH |
1 | /* |
| 2 | * Copyright (C) 2005, 2006 | |
| 27d2e149 | 3 | * Avishay Traeger (avishay@gmail.com) |
| e8062719 | 4 | * Copyright (C) 2008, 2009 |
| aa281ac6 | 5 | * Boaz Harrosh <ooo@electrozaur.com> |
| e8062719 BH |
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 | */ | |
| 02c24a82 JB |
45 | static int exofs_file_fsync(struct file *filp, loff_t start, loff_t end, |
| 46 | int datasync) | |
| e8062719 | 47 | { |
| 02c24a82 | 48 | struct inode *inode = filp->f_mapping->host; |
| e8062719 | 49 | int ret; |
| baaf94cd | 50 | |
| 02c24a82 JB |
51 | ret = filemap_write_and_wait_range(inode->i_mapping, start, end); |
| 52 | if (ret) | |
| 53 | return ret; | |
| 54 | ||
| 5955102c | 55 | inode_lock(inode); |
| 1cea312a | 56 | ret = sync_inode_metadata(filp->f_mapping->host, 1); |
| 5955102c | 57 | inode_unlock(inode); |
| baaf94cd | 58 | return ret; |
| e8062719 BH |
59 | } |
| 60 | ||
| 61 | static int exofs_flush(struct file *file, fl_owner_t id) | |
| 62 | { | |
| b2848349 | 63 | int ret = vfs_fsync(file, 0); |
| e8062719 | 64 | /* TODO: Flush the OSD target */ |
| b2848349 | 65 | return ret; |
| e8062719 BH |
66 | } |
| 67 | ||
| 68 | const struct file_operations exofs_file_operations = { | |
| 69 | .llseek = generic_file_llseek, | |
| aad4f8bb | 70 | .read_iter = generic_file_read_iter, |
| 8174202b | 71 | .write_iter = generic_file_write_iter, |
| e8062719 BH |
72 | .mmap = generic_file_mmap, |
| 73 | .open = generic_file_open, | |
| 74 | .release = exofs_release_file, | |
| 75 | .fsync = exofs_file_fsync, | |
| 76 | .flush = exofs_flush, | |
| 77 | .splice_read = generic_file_splice_read, | |
| 8d020765 | 78 | .splice_write = iter_file_splice_write, |
| e8062719 BH |
79 | }; |
| 80 | ||
| 81 | const struct inode_operations exofs_file_inode_operations = { | |
| e8062719 BH |
82 | .setattr = exofs_setattr, |
| 83 | }; |