ARM: 6144/1: TCM memory bug freeing bug
[linux-2.6.git] / fs / xfs / xfs_iomap.h
blob81ac4afd45b3300c80261fb11e1d61dfceea007e
1 /*
2 * Copyright (c) 2003-2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 #ifndef __XFS_IOMAP_H__
19 #define __XFS_IOMAP_H__
21 typedef enum {
22 /* base extent manipulation calls */
23 BMAPI_READ = (1 << 0), /* read extents */
24 BMAPI_WRITE = (1 << 1), /* create extents */
25 BMAPI_ALLOCATE = (1 << 2), /* delayed allocate to real extents */
26 /* modifiers */
27 BMAPI_IGNSTATE = (1 << 4), /* ignore unwritten state on read */
28 BMAPI_DIRECT = (1 << 5), /* direct instead of buffered write */
29 BMAPI_MMAP = (1 << 6), /* allocate for mmap write */
30 BMAPI_TRYLOCK = (1 << 7), /* non-blocking request */
31 } bmapi_flags_t;
33 #define BMAPI_FLAGS \
34 { BMAPI_READ, "READ" }, \
35 { BMAPI_WRITE, "WRITE" }, \
36 { BMAPI_ALLOCATE, "ALLOCATE" }, \
37 { BMAPI_IGNSTATE, "IGNSTATE" }, \
38 { BMAPI_DIRECT, "DIRECT" }, \
39 { BMAPI_MMAP, "MMAP" }, \
40 { BMAPI_TRYLOCK, "TRYLOCK" }
42 struct xfs_inode;
43 struct xfs_bmbt_irec;
45 extern int xfs_iomap(struct xfs_inode *, xfs_off_t, ssize_t, int,
46 struct xfs_bmbt_irec *, int *, int *);
47 extern int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, size_t);
49 #endif /* __XFS_IOMAP_H__*/