[PATCH] ramfs breaks without CONFIG_BLOCK
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 <dimitri.gorokhovik@free.fr>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c
index 0947fb5..54ebbc8 100644
--- a/fs/ramfs/file-mmu.c
+++ b/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 = {
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index 61cbe1e..e9d6c47 100644
--- a/fs/ramfs/file-nommu.c
+++ b/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 @@
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 = {
