mirror of https://gitee.com/openkylin/linux.git
96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2000-2002,2005-2006 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
|
|
*/
|
|
#include "xfs.h"
|
|
#include "xfs_vnodeops.h"
|
|
|
|
/*
|
|
* The following six includes are needed so that we can include
|
|
* xfs_inode.h. What a mess..
|
|
*/
|
|
#include "xfs_bmap_btree.h"
|
|
#include "xfs_inum.h"
|
|
#include "xfs_dir2.h"
|
|
#include "xfs_dir2_sf.h"
|
|
#include "xfs_attr_sf.h"
|
|
#include "xfs_dinode.h"
|
|
|
|
#include "xfs_inode.h"
|
|
|
|
int fs_noerr(void) { return 0; }
|
|
int fs_nosys(void) { return ENOSYS; }
|
|
void fs_noval(void) { return; }
|
|
|
|
void
|
|
xfs_tosspages(
|
|
xfs_inode_t *ip,
|
|
xfs_off_t first,
|
|
xfs_off_t last,
|
|
int fiopt)
|
|
{
|
|
bhv_vnode_t *vp = XFS_ITOV(ip);
|
|
struct inode *inode = vn_to_inode(vp);
|
|
|
|
if (VN_CACHED(vp))
|
|
truncate_inode_pages(inode->i_mapping, first);
|
|
}
|
|
|
|
int
|
|
xfs_flushinval_pages(
|
|
xfs_inode_t *ip,
|
|
xfs_off_t first,
|
|
xfs_off_t last,
|
|
int fiopt)
|
|
{
|
|
bhv_vnode_t *vp = XFS_ITOV(ip);
|
|
struct inode *inode = vn_to_inode(vp);
|
|
int ret = 0;
|
|
|
|
if (VN_CACHED(vp)) {
|
|
xfs_iflags_clear(ip, XFS_ITRUNCATED);
|
|
ret = filemap_write_and_wait(inode->i_mapping);
|
|
if (!ret)
|
|
truncate_inode_pages(inode->i_mapping, first);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
xfs_flush_pages(
|
|
xfs_inode_t *ip,
|
|
xfs_off_t first,
|
|
xfs_off_t last,
|
|
uint64_t flags,
|
|
int fiopt)
|
|
{
|
|
bhv_vnode_t *vp = XFS_ITOV(ip);
|
|
struct inode *inode = vn_to_inode(vp);
|
|
int ret = 0;
|
|
int ret2;
|
|
|
|
if (VN_DIRTY(vp)) {
|
|
xfs_iflags_clear(ip, XFS_ITRUNCATED);
|
|
ret = filemap_fdatawrite(inode->i_mapping);
|
|
if (flags & XFS_B_ASYNC)
|
|
return ret;
|
|
ret2 = filemap_fdatawait(inode->i_mapping);
|
|
if (!ret)
|
|
ret = ret2;
|
|
}
|
|
return ret;
|
|
}
|