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[XFS] vnode cleanup in xfs_fs_subr.c 

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>
This commit is contained in:
Christoph Hellwig 2008-03-06 13:44:41 +11:00 committed by Lachlan McIlroy
parent db0bb7baa1
commit a8b3acd57e
1 changed files with 11 additions and 25 deletions
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36
fs/xfs/linux-2.6/xfs_fs_subr.c
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@ -17,18 +17,7 @@
*/
#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; }
@ -42,11 +31,10 @@ xfs_tosspages(
xfs_off_t last,
int fiopt)
{
bhv_vnode_t *vp = XFS_ITOV(ip);
struct inode *inode = vn_to_inode(vp);
struct address_space *mapping = ip->i_vnode->i_mapping;
if (VN_CACHED(vp))
truncate_inode_pages(inode->i_mapping, first);
if (mapping->nrpages)
truncate_inode_pages(mapping, first);
}
int
@ -56,15 +44,14 @@ xfs_flushinval_pages(
xfs_off_t last,
int fiopt)
{
bhv_vnode_t *vp = XFS_ITOV(ip);
struct inode *inode = vn_to_inode(vp);
struct address_space *mapping = ip->i_vnode->i_mapping;
int ret = 0;
if (VN_CACHED(vp)) {
if (mapping->nrpages) {
xfs_iflags_clear(ip, XFS_ITRUNCATED);
ret = filemap_write_and_wait(inode->i_mapping);
ret = filemap_write_and_wait(mapping);
if (!ret)
truncate_inode_pages(inode->i_mapping, first);
truncate_inode_pages(mapping, first);
}
return ret;
}
@ -77,17 +64,16 @@ xfs_flush_pages(
uint64_t flags,
int fiopt)
{
bhv_vnode_t *vp = XFS_ITOV(ip);
struct inode *inode = vn_to_inode(vp);
struct address_space *mapping = ip->i_vnode->i_mapping;
int ret = 0;
int ret2;
if (VN_DIRTY(vp)) {
if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
xfs_iflags_clear(ip, XFS_ITRUNCATED);
ret = filemap_fdatawrite(inode->i_mapping);
ret = filemap_fdatawrite(mapping);
if (flags & XFS_B_ASYNC)
return ret;
ret2 = filemap_fdatawait(inode->i_mapping);
ret2 = filemap_fdatawait(mapping);
if (!ret)
ret = ret2;
}