[PATCH] sem2mutex: mm/slab.c

[safe/jmp/linux-2.6] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index 3944fec..7a11ddd 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1784,13 +1784,13 @@ int vmtruncate_range(struct inode *inode, loff_t offset, loff_t end)
        if (!inode->i_op || !inode->i_op->truncate_range)
                return -ENOSYS;
 
-       down(&inode->i_sem);
+       mutex_lock(&inode->i_mutex);
        down_write(&inode->i_alloc_sem);
        unmap_mapping_range(mapping, offset, (end - offset), 1);
        truncate_inode_pages_range(mapping, offset, end);
        inode->i_op->truncate_range(inode, offset, end);
        up_write(&inode->i_alloc_sem);
-       up(&inode->i_sem);
+       mutex_unlock(&inode->i_mutex);
 
        return 0;
 }