Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
  ide: update references to Documentation/ide/ide.txt (v2)
  ide: move ide.txt to Documentation/ide/
  ide: fix buggy code in ide_register_hw()
  ide: fix enabling DMA on it821x in "smart" mode
  ide-cd: mark REQ_TYPE_ATA_PC write requests with REQ_RW flag
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ae04892..6cea747 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -710,6 +710,8 @@
 {
 	struct nfs_server *server = NFS_SERVER(inode);
 
+	if (test_bit(NFS_INO_MOUNTPOINT, &NFS_I(inode)->flags))
+		return 0;
 	if (nd != NULL) {
 		/* VFS wants an on-the-wire revalidation */
 		if (nd->flags & LOOKUP_REVAL)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 966a885..a4c7cf2 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -299,6 +299,7 @@
 				else
 					inode->i_op = &nfs_mountpoint_inode_operations;
 				inode->i_fop = NULL;
+				set_bit(NFS_INO_MOUNTPOINT, &nfsi->flags);
 			}
 		} else if (S_ISLNK(inode->i_mode))
 			inode->i_op = &nfs_symlink_inode_operations;
@@ -1003,8 +1004,9 @@
 
 	server = NFS_SERVER(inode);
 	/* Update the fsid? */
-	if (S_ISDIR(inode->i_mode)
-			&& !nfs_fsid_equal(&server->fsid, &fattr->fsid))
+	if (S_ISDIR(inode->i_mode) &&
+			!nfs_fsid_equal(&server->fsid, &fattr->fsid) &&
+			!test_bit(NFS_INO_MOUNTPOINT, &nfsi->flags))
 		server->fsid = fattr->fsid;
 
 	/*
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index f55c437..80c61fdb 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -734,7 +734,7 @@
 	 */
 	if (nfs_write_pageuptodate(page, inode) &&
 			inode->i_flock == NULL &&
-			!(file->f_mode & O_SYNC)) {
+			!(file->f_flags & O_SYNC)) {
 		count = max(count + offset, nfs_page_length(page));
 		offset = 0;
 	}
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index a69ba80..f4a0e4c 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -195,6 +195,7 @@
 #define NFS_INO_ADVISE_RDPLUS	(1)		/* advise readdirplus */
 #define NFS_INO_STALE		(2)		/* possible stale inode */
 #define NFS_INO_ACL_LRU_SET	(3)		/* Inode is on the LRU list */
+#define NFS_INO_MOUNTPOINT	(4)		/* inode is remote mountpoint */
 
 static inline struct nfs_inode *NFS_I(const struct inode *inode)
 {
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 02c522c..a564c1a 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -614,7 +614,11 @@
 		return;
 
 	req = container_of(buffer, struct rpcrdma_req, rl_xdr_buf[0]);
-	r_xprt = container_of(req->rl_buffer, struct rpcrdma_xprt, rx_buf);
+	if (req->rl_iov.length == 0) {	/* see allocate above */
+		r_xprt = container_of(((struct rpcrdma_req *) req->rl_buffer)->rl_buffer,
+				      struct rpcrdma_xprt, rx_buf);
+	} else
+		r_xprt = container_of(req->rl_buffer, struct rpcrdma_xprt, rx_buf);
 	rep = req->rl_reply;
 
 	dprintk("RPC:       %s: called on 0x%p%s\n",