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git.proxmox.com Git - mirror_zfs.git/blob - include/linux/vfs_compat.h
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (C) 2011 Lawrence Livermore National Security, LLC.
31 * Added insert_inode_locked() helper function, prior to this most callers
32 * used insert_inode_hash(). The older method doesn't check for collisions
33 * in the inode_hashtable but it still acceptible for use.
35 #ifndef HAVE_INSERT_INODE_LOCKED
37 insert_inode_locked(struct inode
*ip
)
39 insert_inode_hash(ip
);
42 #endif /* HAVE_INSERT_INODE_LOCKED */
46 * Add truncate_setsize() if it is not exported by the Linux kernel.
48 * Truncate the inode and pages associated with the inode. The pages are
49 * unmapped and removed from cache.
51 #ifndef HAVE_TRUNCATE_SETSIZE
53 truncate_setsize(struct inode
*ip
, loff_t
new)
55 struct address_space
*mapping
= ip
->i_mapping
;
57 i_size_write(ip
, new);
59 unmap_mapping_range(mapping
, new + PAGE_SIZE
- 1, 0, 1);
60 truncate_inode_pages(mapping
, new);
61 unmap_mapping_range(mapping
, new + PAGE_SIZE
- 1, 0, 1);
63 #endif /* HAVE_TRUNCATE_SETSIZE */
65 #endif /* _ZFS_VFS_H */