]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - mm/readahead.c
OMAP: dmtimer: enable all timers to be wakeup events
[linux-2.6-omap-h63xx.git] / mm / readahead.c
index bec83c15a78f61b58a1dfbb74a336b9848b5d876..9ce303d4b8109a32bf198ffc02ba4fe6b77eec49 100644 (file)
 #include <linux/pagevec.h>
 #include <linux/pagemap.h>
 
-void default_unplug_io_fn(struct backing_dev_info *bdi, struct page *page)
-{
-}
-EXPORT_SYMBOL(default_unplug_io_fn);
-
-struct backing_dev_info default_backing_dev_info = {
-       .ra_pages       = VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE,
-       .state          = 0,
-       .capabilities   = BDI_CAP_MAP_COPY,
-       .unplug_io_fn   = default_unplug_io_fn,
-};
-EXPORT_SYMBOL_GPL(default_backing_dev_info);
-
 /*
  * Initialise a struct file's readahead state.  Assumes that the caller has
  * memset *ra to zero.
@@ -233,18 +220,6 @@ unsigned long max_sane_readahead(unsigned long nr)
                + node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2);
 }
 
-static int __init readahead_init(void)
-{
-       int err;
-
-       err = bdi_init(&default_backing_dev_info);
-       if (!err)
-               bdi_register(&default_backing_dev_info, NULL, "default");
-
-       return err;
-}
-subsys_initcall(readahead_init);
-
 /*
  * Submit IO for the read-ahead request in file_ra_state.
  */