From a8b3acd57e3aaaf73a863a28e0e9f6cca37cd8e3 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Thu, 6 Mar 2008 13:44:41 +1100
Subject: [PATCH] [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>
---
fs/xfs/linux-2.6/xfs_fs_subr.c | 36 +++++++++++-----------------------
1 file changed, 11 insertions(+), 25 deletions(-)
diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/linux-2.6/xfs_fs_subr.c
index ac6d34cc355..1eefe61f0e1 100644
--- a/fs/xfs/linux-2.6/xfs_fs_subr.c
+++ b/fs/xfs/linux-2.6/xfs_fs_subr.c
@@ -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;
}
--
2.41.3