Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

[linux-2.6-omap-h63xx.git] / fs / ramfs / inode.c

diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index ef2b46d099ffb195e45c4c462a68a55090147580..f031d1c925f0b72ff562a5b839674eb94b4ecf94 100644 (file)
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -44,7 +44,7 @@ static const struct inode_operations ramfs_dir_inode_operations;
 
 static struct backing_dev_info ramfs_backing_dev_info = {
        .ra_pages       = 0,    /* No readahead */
-       .capabilities   = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK |
+       .capabilities   = BDI_CAP_NO_ACCT_AND_WRITEBACK |
                          BDI_CAP_MAP_DIRECT | BDI_CAP_MAP_COPY |
                          BDI_CAP_READ_MAP | BDI_CAP_WRITE_MAP | BDI_CAP_EXEC_MAP,
 };
@@ -61,6 +61,7 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev)
                inode->i_mapping->a_ops = &ramfs_aops;
                inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info;
                mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER);
+               mapping_set_unevictable(inode->i_mapping);
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                switch (mode & S_IFMT) {
                default:
@@ -223,7 +224,17 @@ module_exit(exit_ramfs_fs)
 
 int __init init_rootfs(void)
 {
-       return register_filesystem(&rootfs_fs_type);
+       int err;
+
+       err = bdi_init(&ramfs_backing_dev_info);
+       if (err)
+               return err;
+
+       err = register_filesystem(&rootfs_fs_type);
+       if (err)
+               bdi_destroy(&ramfs_backing_dev_info);
+
+       return err;
 }
 
 MODULE_LICENSE("GPL");