mm: use new helper functions around the i_mmap_mutex

[deliverable/linux.git] / mm / rmap.c

diff --git a/mm/rmap.c b/mm/rmap.c
index 45eba36fd67300b84f9e30dafb461f5cf2c34ad2..bea03f6bec61a9283fc8ef1fbbda6223be574613 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1690,7 +1690,7 @@ static int rmap_walk_file(struct page *page, struct rmap_walk_control *rwc)
 
        if (!mapping)
                return ret;
-       mutex_lock(&mapping->i_mmap_mutex);
+       i_mmap_lock_write(mapping);
        vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff) {
                unsigned long address = vma_address(page, vma);
 
@@ -1713,7 +1713,7 @@ static int rmap_walk_file(struct page *page, struct rmap_walk_control *rwc)
        ret = rwc->file_nonlinear(page, mapping, rwc->arg);
 
 done:
-       mutex_unlock(&mapping->i_mmap_mutex);
+       i_mmap_unlock_write(mapping);
        return ret;
 }