3 files changed, 9 insertions, 6 deletions

diff --git a/fs/aio.c b/fs/aio.c
index 5f577a63bdf0..ee20fc4240e0 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -599,9 +599,6 @@ static void use_mm(struct mm_struct *mm)
  *      by the calling kernel thread
  *      (Note: this routine is intended to be called only
  *      from a kernel thread context)
- *
- * Comments: Called with ctx->ctx_lock held. This nests
- * task_lock instead ctx_lock.
  */
 static void unuse_mm(struct mm_struct *mm)
 {
@@ -850,14 +847,16 @@ static void aio_kick_handler(struct work_struct *work)
 {
         struct kioctx *ctx = container_of(work, struct kioctx, wq.work);
         mm_segment_t oldfs = get_fs();
+        struct mm_struct *mm;
         int requeue;
 
         set_fs(USER_DS);
         use_mm(ctx->mm);
         spin_lock_irq(&ctx->ctx_lock);
         requeue =__aio_run_iocbs(ctx);
-        unuse_mm(ctx->mm);
+        mm = ctx->mm;
         spin_unlock_irq(&ctx->ctx_lock);
+        unuse_mm(mm);
         set_fs(oldfs);
         /*
          * we're in a worker thread already, don't use queue_delayed_work,
diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c
index 0947fb57dcf3..54ebbc84207f 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 61cbe1ef06b9..e9d6c4733282 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 @@ 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 = {