mm: kill vma flag VM_CAN_NONLINEAR

[linux.git] / fs / ext4 / file.c

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 3b0e3bdaabfc08ab566f40fe1d91bad4b9edc469..bf3966bccd343393656ea394f790ba79f183f93f 100644 (file)
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -55,11 +55,11 @@ static int ext4_release_file(struct inode *inode, struct file *filp)
        return 0;
 }
 
-static void ext4_aiodio_wait(struct inode *inode)
+void ext4_unwritten_wait(struct inode *inode)
 {
        wait_queue_head_t *wq = ext4_ioend_wq(inode);
 
-       wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_aiodio_unwritten) == 0));
+       wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_unwritten) == 0));
 }
 
 /*
@@ -116,7 +116,7 @@ ext4_file_dio_write(struct kiocb *iocb, const struct iovec *iov,
                                 "performance will be poor.",
                                 inode->i_ino, current->comm);
                mutex_lock(ext4_aio_mutex(inode));
-               ext4_aiodio_wait(inode);
+               ext4_unwritten_wait(inode);
        }
 
        BUG_ON(iocb->ki_pos != pos);
@@ -207,6 +207,7 @@ ext4_file_write(struct kiocb *iocb, const struct iovec *iov,
 static const struct vm_operations_struct ext4_file_vm_ops = {
        .fault          = filemap_fault,
        .page_mkwrite   = ext4_page_mkwrite,
+       .remap_pages    = generic_file_remap_pages,
 };
 
 static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
@@ -217,7 +218,6 @@ static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
                return -ENOEXEC;
        file_accessed(file);
        vma->vm_ops = &ext4_file_vm_ops;
-       vma->vm_flags |= VM_CAN_NONLINEAR;
        return 0;
 }