mm: Convert i_mmap_lock to a mutex

[deliverable/linux.git] / fs / hugetlbfs / inode.c

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index b9eeb1cd03ff540dc87aa31f43dc9eb03fbafb61..e7a035781b7dd30694acd0b3ee104758a3ffcf87 100644 (file)
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -412,10 +412,10 @@ static int hugetlb_vmtruncate(struct inode *inode, loff_t offset)
        pgoff = offset >> PAGE_SHIFT;
 
        i_size_write(inode, offset);
-       spin_lock(&mapping->i_mmap_lock);
+       mutex_lock(&mapping->i_mmap_mutex);
        if (!prio_tree_empty(&mapping->i_mmap))
                hugetlb_vmtruncate_list(&mapping->i_mmap, pgoff);
-       spin_unlock(&mapping->i_mmap_lock);
+       mutex_unlock(&mapping->i_mmap_mutex);
        truncate_hugepages(inode, offset);
        return 0;
 }