xref: /linux/fs/xfs/xfs_aops.h (revision 127470597b6b9466872d9794a80804ec95fff8ea)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2005-2006 Silicon Graphics, Inc.
4  * All Rights Reserved.
5  */
6 #ifndef __XFS_AOPS_H__
7 #define __XFS_AOPS_H__
8 
9 extern struct bio_set xfs_ioend_bioset;
10 
11 /*
12  * Structure for buffered I/O completions.
13  */
14 struct xfs_ioend {
15 	struct list_head	io_list;	/* next ioend in chain */
16 	int			io_fork;	/* inode fork written back */
17 	xfs_exntst_t		io_state;	/* extent state */
18 	struct inode		*io_inode;	/* file being written to */
19 	size_t			io_size;	/* size of the extent */
20 	xfs_off_t		io_offset;	/* offset in the file */
21 	struct work_struct	io_work;	/* xfsdatad work queue */
22 	struct xfs_trans	*io_append_trans;/* xact. for size update */
23 	struct bio		*io_bio;	/* bio being built */
24 	struct bio		io_inline_bio;	/* MUST BE LAST! */
25 };
26 
27 extern const struct address_space_operations xfs_address_space_operations;
28 extern const struct address_space_operations xfs_dax_aops;
29 
30 int	xfs_setfilesize(struct xfs_inode *ip, xfs_off_t offset, size_t size);
31 
32 extern void xfs_count_page_state(struct page *, int *, int *);
33 extern struct block_device *xfs_find_bdev_for_inode(struct inode *);
34 extern struct dax_device *xfs_find_daxdev_for_inode(struct inode *);
35 
36 #endif /* __XFS_AOPS_H__ */
37