[PATCH] add set_page_dirty method to NFS addr space ops

[Chuck Lever]

by default, set_page_dirty() assumes the caller wants buffer heads, which
is not true for NFS files.  trond determined this will suffice for now.

against 2.5.47.

diff -ruN 21-coalesce/fs/nfs/file.c 22-set_page_dirty/fs/nfs/file.c
--- 21-coalesce/fs/nfs/file.c	Sun Nov 10 22:28:26 2002
+++ 22-set_page_dirty/fs/nfs/file.c	Thu Nov 14 16:53:46 2002
@@ -168,6 +168,7 @@
 struct address_space_operations nfs_file_aops = {
 	.readpage = nfs_readpage,
 	.readpages = nfs_readpages,
+	.set_page_dirty = __set_page_dirty_nobuffers,
 	.writepage = nfs_writepage,
 	.writepages = nfs_writepages,
 	.prepare_write = nfs_prepare_write,