NFS: Remove requirement for inode->i_mutex from nfs_invalidate_mapping

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 40 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index e8b41170d29..dbaaf7d2a18 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -754,7 +754,7 @@ int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
 	return __nfs_revalidate_inode(server, inode);
 }
 
-static int nfs_invalidate_mapping_nolock(struct inode *inode, struct address_space *mapping)
+static int nfs_invalidate_mapping(struct inode *inode, struct address_space *mapping)
 {
 	struct nfs_inode *nfsi = NFS_I(inode);
 	
@@ -775,49 +775,10 @@ static int nfs_invalidate_mapping_nolock(struct inode *inode, struct address_spa
 	return 0;
 }
 
-static int nfs_invalidate_mapping(struct inode *inode, struct address_space *mapping)
-{
-	int ret = 0;
-
-	mutex_lock(&inode->i_mutex);
-	if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_DATA) {
-		ret = nfs_sync_mapping(mapping);
-		if (ret == 0)
-			ret = nfs_invalidate_mapping_nolock(inode, mapping);
-	}
-	mutex_unlock(&inode->i_mutex);
-	return ret;
-}
-
-/**
- * nfs_revalidate_mapping_nolock - Revalidate the pagecache
- * @inode - pointer to host inode
- * @mapping - pointer to mapping
- */
-int nfs_revalidate_mapping_nolock(struct inode *inode, struct address_space *mapping)
-{
-	struct nfs_inode *nfsi = NFS_I(inode);
-	int ret = 0;
-
-	if ((nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE)
-			|| nfs_attribute_timeout(inode) || NFS_STALE(inode)) {
-		ret = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
-		if (ret < 0)
-			goto out;
-	}
-	if (nfsi->cache_validity & NFS_INO_INVALID_DATA)
-		ret = nfs_invalidate_mapping_nolock(inode, mapping);
-out:
-	return ret;
-}
-
 /**
  * nfs_revalidate_mapping - Revalidate the pagecache
  * @inode - pointer to host inode
  * @mapping - pointer to mapping
- *
- * This version of the function will take the inode->i_mutex and attempt to
- * flush out all dirty data if it needs to invalidate the page cache.
  */
 int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping)
 {