c355c656fe
We set the IO_ISAIO flag for all read/write I/O since early Linux 2.6.x. Remove it as it has lost it's purpose long ago. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Alex Elder <aelder@sgi.com>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
|
|
* Copyright (c) 2000-2005 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_VNODE_H__
|
|
#define __XFS_VNODE_H__
|
|
|
|
#include "xfs_fs.h"
|
|
|
|
struct file;
|
|
struct xfs_inode;
|
|
struct xfs_iomap;
|
|
struct attrlist_cursor_kern;
|
|
|
|
/*
|
|
* Return values for xfs_inactive. A return value of
|
|
* VN_INACTIVE_NOCACHE implies that the file system behavior
|
|
* has disassociated its state and bhv_desc_t from the vnode.
|
|
*/
|
|
#define VN_INACTIVE_CACHE 0
|
|
#define VN_INACTIVE_NOCACHE 1
|
|
|
|
/*
|
|
* Flags for read/write calls - same values as IRIX
|
|
*/
|
|
#define IO_ISDIRECT 0x00004 /* bypass page cache */
|
|
#define IO_INVIS 0x00020 /* don't update inode timestamps */
|
|
|
|
/*
|
|
* Flush/Invalidate options for vop_toss/flush/flushinval_pages.
|
|
*/
|
|
#define FI_NONE 0 /* none */
|
|
#define FI_REMAPF 1 /* Do a remapf prior to the operation */
|
|
#define FI_REMAPF_LOCKED 2 /* Do a remapf prior to the operation.
|
|
Prevent VM access to the pages until
|
|
the operation completes. */
|
|
|
|
/*
|
|
* Some useful predicates.
|
|
*/
|
|
#define VN_MAPPED(vp) mapping_mapped(vp->i_mapping)
|
|
#define VN_CACHED(vp) (vp->i_mapping->nrpages)
|
|
#define VN_DIRTY(vp) mapping_tagged(vp->i_mapping, \
|
|
PAGECACHE_TAG_DIRTY)
|
|
|
|
|
|
#endif /* __XFS_VNODE_H__ */
|