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https://github.com/edk2-porting/linux-next.git
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a8b3acd57e
Cleanup the unneeded intermediate vnode step in the flushing helpers and go directly from the xfs_inode to the struct address_space. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30530a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/*
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* Copyright (c) 2000-2002,2005-2006 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "xfs.h"
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#include "xfs_vnodeops.h"
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#include "xfs_bmap_btree.h"
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#include "xfs_inode.h"
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int fs_noerr(void) { return 0; }
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int fs_nosys(void) { return ENOSYS; }
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void fs_noval(void) { return; }
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void
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xfs_tosspages(
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xfs_inode_t *ip,
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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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struct address_space *mapping = ip->i_vnode->i_mapping;
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if (mapping->nrpages)
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truncate_inode_pages(mapping, first);
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}
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int
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xfs_flushinval_pages(
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xfs_inode_t *ip,
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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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struct address_space *mapping = ip->i_vnode->i_mapping;
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int ret = 0;
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if (mapping->nrpages) {
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xfs_iflags_clear(ip, XFS_ITRUNCATED);
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ret = filemap_write_and_wait(mapping);
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if (!ret)
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truncate_inode_pages(mapping, first);
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}
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return ret;
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}
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int
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xfs_flush_pages(
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xfs_inode_t *ip,
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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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struct address_space *mapping = ip->i_vnode->i_mapping;
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int ret = 0;
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int ret2;
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if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
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xfs_iflags_clear(ip, XFS_ITRUNCATED);
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ret = filemap_fdatawrite(mapping);
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if (flags & XFS_B_ASYNC)
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return ret;
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ret2 = filemap_fdatawait(mapping);
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if (!ret)
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ret = ret2;
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}
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return ret;
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}
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