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Commit 131612df authored by Dimitri Gorokhovik's avatar Dimitri Gorokhovik Committed by Linus Torvalds
Browse files

[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: default avatarDimitri Gorokhovik <dimitri.gorokhovik@free.fr>
Cc: <stable@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent a3f99f8b

fs/ramfs/file-mmu.c

+3 −1
Original line number Diff line number Diff line
@@ -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 = {

fs/ramfs/file-nommu.c

+3 −1
Original line number Diff line number Diff line
@@ -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 dentry *, struct iattr *); 
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 = {