Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
[linux-drm-fsl-dcu.git] / fs / aio.c
index c428871f10934a87aa4b5a7038b8c0519b6bc80a..118a2e0088d8fdd8391654a44edb06157dad5629 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -165,15 +165,6 @@ static struct vfsmount *aio_mnt;
 static const struct file_operations aio_ring_fops;
 static const struct address_space_operations aio_ctx_aops;
 
-/* Backing dev info for aio fs.
- * -no dirty page accounting or writeback happens
- */
-static struct backing_dev_info aio_fs_backing_dev_info = {
-       .name           = "aiofs",
-       .state          = 0,
-       .capabilities   = BDI_CAP_NO_ACCT_AND_WRITEBACK | BDI_CAP_MAP_COPY,
-};
-
 static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages)
 {
        struct qstr this = QSTR_INIT("[aio]", 5);
@@ -185,7 +176,6 @@ static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages)
 
        inode->i_mapping->a_ops = &aio_ctx_aops;
        inode->i_mapping->private_data = ctx;
-       inode->i_mapping->backing_dev_info = &aio_fs_backing_dev_info;
        inode->i_size = PAGE_SIZE * nr_pages;
 
        path.dentry = d_alloc_pseudo(aio_mnt->mnt_sb, &this);
@@ -230,9 +220,6 @@ static int __init aio_setup(void)
        if (IS_ERR(aio_mnt))
                panic("Failed to create aio fs mount.");
 
-       if (bdi_init(&aio_fs_backing_dev_info))
-               panic("Failed to init aio fs backing dev info.");
-
        kiocb_cachep = KMEM_CACHE(kiocb, SLAB_HWCACHE_ALIGN|SLAB_PANIC);
        kioctx_cachep = KMEM_CACHE(kioctx,SLAB_HWCACHE_ALIGN|SLAB_PANIC);