1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* Copyright (c) 2003-2005 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program 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.
*
* This program is distributed in the hope that it would 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 this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __XFS_IOMAP_H__
#define __XFS_IOMAP_H__
/* base extent manipulation calls */
#define BMAPI_READ (1 << 0) /* read extents */
#define BMAPI_WRITE (1 << 1) /* create extents */
#define BMAPI_ALLOCATE (1 << 2) /* delayed allocate to real extents */
/* modifiers */
#define BMAPI_IGNSTATE (1 << 4) /* ignore unwritten state on read */
#define BMAPI_DIRECT (1 << 5) /* direct instead of buffered write */
#define BMAPI_MMA (1 << 6) /* allocate for mmap write */
#define BMAPI_TRYLOCK (1 << 7) /* non-blocking request */
#define BMAPI_FLAGS \
{ BMAPI_READ, "READ" }, \
{ BMAPI_WRITE, "WRITE" }, \
{ BMAPI_ALLOCATE, "ALLOCATE" }, \
{ BMAPI_IGNSTATE, "IGNSTATE" }, \
{ BMAPI_DIRECT, "DIRECT" }, \
{ BMAPI_TRYLOCK, "TRYLOCK" }
struct xfs_inode;
struct xfs_bmbt_irec;
extern int xfs_iomap(struct xfs_inode *, xfs_off_t, ssize_t, int,
struct xfs_bmbt_irec *, int *, int *);
extern int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, size_t);
#endif /* __XFS_IOMAP_H__*/
|
