ia64/linux-2.6.18-xen.hg

view fs/ufs/file.c @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 /*
2 * linux/fs/ufs/file.c
3 *
4 * Copyright (C) 1998
5 * Daniel Pirkl <daniel.pirkl@email.cz>
6 * Charles University, Faculty of Mathematics and Physics
7 *
8 * from
9 *
10 * linux/fs/ext2/file.c
11 *
12 * Copyright (C) 1992, 1993, 1994, 1995
13 * Remy Card (card@masi.ibp.fr)
14 * Laboratoire MASI - Institut Blaise Pascal
15 * Universite Pierre et Marie Curie (Paris VI)
16 *
17 * from
18 *
19 * linux/fs/minix/file.c
20 *
21 * Copyright (C) 1991, 1992 Linus Torvalds
22 *
23 * ext2 fs regular file handling primitives
24 */
26 #include <linux/fs.h>
27 #include <linux/ufs_fs.h>
28 #include <linux/buffer_head.h> /* for sync_mapping_buffers() */
30 static int ufs_sync_file(struct file *file, struct dentry *dentry, int datasync)
31 {
32 struct inode *inode = dentry->d_inode;
33 int err;
34 int ret;
36 ret = sync_mapping_buffers(inode->i_mapping);
37 if (!(inode->i_state & I_DIRTY))
38 return ret;
39 if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
40 return ret;
42 err = ufs_sync_inode(inode);
43 if (ret == 0)
44 ret = err;
45 return ret;
46 }
49 /*
50 * We have mostly NULL's here: the current defaults are ok for
51 * the ufs filesystem.
52 */
54 const struct file_operations ufs_file_operations = {
55 .llseek = generic_file_llseek,
56 .read = generic_file_read,
57 .write = generic_file_write,
58 .mmap = generic_file_mmap,
59 .open = generic_file_open,
60 .fsync = ufs_sync_file,
61 .sendfile = generic_file_sendfile,
62 };