forked from luck/tmp_suning_uos_patched
125 lines
2.8 KiB
C
125 lines
2.8 KiB
C
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/*
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* Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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*/
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#include "xfs.h"
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/*
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* Stub for no-op vnode operations that return error status.
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*/
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int
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fs_noerr(void)
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{
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return 0;
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}
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/*
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* Operation unsupported under this file system.
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*/
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int
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fs_nosys(void)
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{
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return ENOSYS;
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}
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/*
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* Stub for inactive, strategy, and read/write lock/unlock. Does nothing.
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*/
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/* ARGSUSED */
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void
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fs_noval(void)
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{
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}
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/*
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* vnode pcache layer for vnode_tosspages.
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* 'last' parameter unused but left in for IRIX compatibility
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*/
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void
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fs_tosspages(
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bhv_desc_t *bdp,
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xfs_off_t first,
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xfs_off_t last,
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int fiopt)
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{
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vnode_t *vp = BHV_TO_VNODE(bdp);
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struct inode *ip = LINVFS_GET_IP(vp);
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if (VN_CACHED(vp))
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truncate_inode_pages(ip->i_mapping, first);
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}
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/*
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* vnode pcache layer for vnode_flushinval_pages.
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* 'last' parameter unused but left in for IRIX compatibility
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*/
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void
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fs_flushinval_pages(
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bhv_desc_t *bdp,
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xfs_off_t first,
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xfs_off_t last,
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int fiopt)
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{
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vnode_t *vp = BHV_TO_VNODE(bdp);
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struct inode *ip = LINVFS_GET_IP(vp);
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if (VN_CACHED(vp)) {
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filemap_fdatawrite(ip->i_mapping);
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filemap_fdatawait(ip->i_mapping);
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truncate_inode_pages(ip->i_mapping, first);
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}
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}
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/*
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* vnode pcache layer for vnode_flush_pages.
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* 'last' parameter unused but left in for IRIX compatibility
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*/
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int
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fs_flush_pages(
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bhv_desc_t *bdp,
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xfs_off_t first,
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xfs_off_t last,
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uint64_t flags,
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int fiopt)
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{
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vnode_t *vp = BHV_TO_VNODE(bdp);
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struct inode *ip = LINVFS_GET_IP(vp);
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if (VN_CACHED(vp)) {
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filemap_fdatawrite(ip->i_mapping);
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filemap_fdatawait(ip->i_mapping);
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}
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return 0;
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}
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