-stable review patch.  If anyone has any objections, please let us know.
------------------

From: Dimitri Gorokhovik <[EMAIL PROTECTED]>

ramfs doesn't provide the .set_dirty_page a_op, and when the BLOCK layer is
not configured in, 'set_page_dirty' makes a call via a NULL pointer.

Signed-off-by: Dimitri Gorokhovik <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Chris Wright <[EMAIL PROTECTED]>
---

 fs/ramfs/file-mmu.c   |    4 +++-
 fs/ramfs/file-nommu.c |    4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

--- linux-2.6.19.1.orig/fs/ramfs/file-mmu.c
+++ linux-2.6.19.1/fs/ramfs/file-mmu.c
@@ -25,11 +25,13 @@
  */
 
 #include <linux/fs.h>
+#include <linux/mm.h>
 
 const struct address_space_operations ramfs_aops = {
        .readpage       = simple_readpage,
        .prepare_write  = simple_prepare_write,
-       .commit_write   = simple_commit_write
+       .commit_write   = simple_commit_write,
+       .set_page_dirty = __set_page_dirty_nobuffers,
 };
 
 const struct file_operations ramfs_file_operations = {
--- linux-2.6.19.1.orig/fs/ramfs/file-nommu.c
+++ linux-2.6.19.1/fs/ramfs/file-nommu.c
@@ -11,6 +11,7 @@
 
 #include <linux/module.h>
 #include <linux/fs.h>
+#include <linux/mm.h>
 #include <linux/pagemap.h>
 #include <linux/highmem.h>
 #include <linux/init.h>
@@ -30,7 +31,8 @@ static int ramfs_nommu_setattr(struct de
 const struct address_space_operations ramfs_aops = {
        .readpage               = simple_readpage,
        .prepare_write          = simple_prepare_write,
-       .commit_write           = simple_commit_write
+       .commit_write           = simple_commit_write,
+       .set_page_dirty = __set_page_dirty_nobuffers,
 };
 
 const struct file_operations ramfs_file_operations = {

--
-
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