sb->s_magic = CIFS_MAGIC_NUMBER;
sb->s_op = &cifs_super_ops;
sb->s_xattr = cifs_xattr_handlers;
- sb->s_bdi = &cifs_sb->bdi;
+ rc = super_setup_bdi(sb);
+ if (rc)
+ goto out_no_root;
+ /* tune readahead according to rsize */
+ sb->s_bdi->ra_pages = cifs_sb->rsize / PAGE_SIZE;
+
sb->s_blocksize = CIFS_MAX_MSGSIZE;
sb->s_blocksize_bits = 14; /* default 2**14 = CIFS_MAX_MSGSIZE */
inode = cifs_root_iget(sb);