From: Christoph Hellwig <hch@infradead.org>
Date: Thu, 6 Mar 2008 02:46:37 +0000 (+1100)
Subject: [XFS] cleanup vnode use in xfs_lrw.c
X-Git-Tag: v2.6.26-rc1~1147^2~63
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=dcf49cc5cfbbc0070ad4307428f8282dc7e04e58;p=linux-2.6-omap-h63xx.git

[XFS] cleanup vnode use in xfs_lrw.c

SGI-PV: 976035
SGI-Modid: xfs-linux-melb:xfs-kern:30551a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
---

diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 01a8f26e1b1..1d95dca96cf 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -176,7 +176,6 @@ xfs_read(
 {
 	struct file		*file = iocb->ki_filp;
 	struct inode		*inode = file->f_mapping->host;
-	bhv_vnode_t		*vp = XFS_ITOV(ip);
 	xfs_mount_t		*mp = ip->i_mount;
 	size_t			size = 0;
 	ssize_t			ret = 0;
@@ -242,7 +241,7 @@ xfs_read(
 	}
 
 	if (unlikely(ioflags & IO_ISDIRECT)) {
-		if (VN_CACHED(vp))
+		if (inode->i_mapping->nrpages)
 			ret = xfs_flushinval_pages(ip, (*offset & PAGE_CACHE_MASK),
 						    -1, FI_REMAPF_LOCKED);
 		mutex_unlock(&inode->i_mutex);
@@ -571,7 +570,6 @@ xfs_write(
 	struct file		*file = iocb->ki_filp;
 	struct address_space	*mapping = file->f_mapping;
 	struct inode		*inode = mapping->host;
-	bhv_vnode_t		*vp = XFS_ITOV(xip);
 	unsigned long		segs = nsegs;
 	xfs_mount_t		*mp;
 	ssize_t			ret = 0, error = 0;
@@ -658,7 +656,7 @@ start:
 			return XFS_ERROR(-EINVAL);
 		}
 
-		if (!need_i_mutex && (VN_CACHED(vp) || pos > xip->i_size)) {
+		if (!need_i_mutex && (mapping->nrpages || pos > xip->i_size)) {
 			xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock);
 			iolock = XFS_IOLOCK_EXCL;
 			need_i_mutex = 1;
@@ -720,7 +718,7 @@ retry:
 	current->backing_dev_info = mapping->backing_dev_info;
 
 	if ((ioflags & IO_ISDIRECT)) {
-		if (VN_CACHED(vp)) {
+		if (mapping->nrpages) {
 			WARN_ON(need_i_mutex == 0);
 			xfs_inval_cached_trace(xip, pos, -1,
 					(pos & PAGE_CACHE_MASK), -1);