48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*
|
|
* 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__*/
|