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- /*
- * 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"
- int fs_noerr(void) { return 0; }
- int fs_nosys(void) { return ENOSYS; }
- void fs_noval(void) { return; }
- void
- fs_tosspages(
- bhv_desc_t *bdp,
- xfs_off_t first,
- xfs_off_t last,
- int fiopt)
- {
- bhv_vnode_t *vp = BHV_TO_VNODE(bdp);
- struct inode *ip = vn_to_inode(vp);
- if (VN_CACHED(vp))
- truncate_inode_pages(ip->i_mapping, first);
- }
- void
- fs_flushinval_pages(
- bhv_desc_t *bdp,
- xfs_off_t first,
- xfs_off_t last,
- int fiopt)
- {
- bhv_vnode_t *vp = BHV_TO_VNODE(bdp);
- struct inode *ip = vn_to_inode(vp);
- if (VN_CACHED(vp)) {
- if (VN_TRUNC(vp))
- VUNTRUNCATE(vp);
- filemap_write_and_wait(ip->i_mapping);
- truncate_inode_pages(ip->i_mapping, first);
- }
- }
- int
- fs_flush_pages(
- bhv_desc_t *bdp,
- xfs_off_t first,
- xfs_off_t last,
- uint64_t flags,
- int fiopt)
- {
- bhv_vnode_t *vp = BHV_TO_VNODE(bdp);
- struct inode *ip = vn_to_inode(vp);
- if (VN_DIRTY(vp)) {
- if (VN_TRUNC(vp))
- VUNTRUNCATE(vp);
- filemap_fdatawrite(ip->i_mapping);
- if (flags & XFS_B_ASYNC)
- return 0;
- filemap_fdatawait(ip->i_mapping);
- }
- return 0;
- }
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