1 files changed, 7 insertions, 3 deletions

diff --git a/fs/inode.c b/fs/inode.c
index 33c963d08ab4..990d284877a1 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -24,6 +24,7 @@
 #include <linux/mount.h>
 #include <linux/async.h>
 #include <linux/posix_acl.h>
+#include <linux/prefetch.h>
 #include <linux/ima.h>
 #include <linux/cred.h>
 #include "internal.h"
@@ -325,12 +326,11 @@ void address_space_init_once(struct address_space *mapping)
         memset(mapping, 0, sizeof(*mapping));
         INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
         spin_lock_init(&mapping->tree_lock);
-        spin_lock_init(&mapping->i_mmap_lock);
+        mutex_init(&mapping->i_mmap_mutex);
         INIT_LIST_HEAD(&mapping->private_list);
         spin_lock_init(&mapping->private_lock);
         INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
         INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
-        mutex_init(&mapping->unmap_mutex);
 }
 EXPORT_SYMBOL(address_space_init_once);
 
@@ -751,8 +751,12 @@ static void prune_icache(int nr_to_scan)
  * This function is passed the number of inodes to scan, and it returns the
  * total number of remaining possibly-reclaimable inodes.
  */
-static int shrink_icache_memory(struct shrinker *shrink, int nr, gfp_t gfp_mask)
+static int shrink_icache_memory(struct shrinker *shrink,
+                                struct shrink_control *sc)
 {
+        int nr = sc->nr_to_scan;
+        gfp_t gfp_mask = sc->gfp_mask;
+
         if (nr) {
                 /*
                  * Nasty deadlock avoidance.  We may hold various FS locks,