Merge branch 'tunnels'

[linux.git] / mm / readahead.c

diff --git a/mm/readahead.c b/mm/readahead.c
index 29c5e1af5a0c79a5af00f097c2a03b7492316c8c..0ca36a7770b1b974eaea70d6357b7cdbd73aad3d 100644 (file)
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -8,9 +8,7 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/fs.h>
 #include <linux/gfp.h>
-#include <linux/mm.h>
 #include <linux/export.h>
 #include <linux/blkdev.h>
 #include <linux/backing-dev.h>
@@ -20,6 +18,8 @@
 #include <linux/syscalls.h>
 #include <linux/file.h>
 
+#include "internal.h"
+
 /*
  * Initialise a struct file's readahead state.  Assumes that the caller has
  * memset *ra to zero.
@@ -149,8 +149,7 @@ out:
  *
  * Returns the number of pages requested, or the maximum amount of I/O allowed.
  */
-static int
-__do_page_cache_readahead(struct address_space *mapping, struct file *filp,
+int __do_page_cache_readahead(struct address_space *mapping, struct file *filp,
                        pgoff_t offset, unsigned long nr_to_read,
                        unsigned long lookahead_size)
 {
@@ -243,20 +242,6 @@ unsigned long max_sane_readahead(unsigned long nr)
        return min(nr, MAX_READAHEAD);
 }
 
-/*
- * Submit IO for the read-ahead request in file_ra_state.
- */
-unsigned long ra_submit(struct file_ra_state *ra,
-                      struct address_space *mapping, struct file *filp)
-{
-       int actual;
-
-       actual = __do_page_cache_readahead(mapping, filp,
-                                       ra->start, ra->size, ra->async_size);
-
-       return actual;
-}
-
 /*
  * Set the initial window size, round to next power of 2 and square
  * for small size, x 4 for medium, and x 2 for large