1 files changed, 11 insertions, 1 deletions

diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 94f6319292a1..0a65939508e9 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -38,7 +38,17 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
         error = inode_change_ok(inode, attr);
         if (error)
                 return error;
-        return inode_setattr(inode, attr);
+
+        if ((attr->ia_valid & ATTR_SIZE) &&
+            attr->ia_size != i_size_read(inode)) {
+                error = vmtruncate(inode, attr->ia_size);
+                if (error)
+                        return error;
+        }
+
+        setattr_copy(inode, attr);
+        mark_inode_dirty(inode);
+        return 0;
 }
 
 const struct inode_operations sysv_file_inode_operations = {