Return-Path: Received: from mx144.netapp.com ([216.240.21.25]:47116 "EHLO mx144.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933326AbbIYUsa (ORCPT ); Fri, 25 Sep 2015 16:48:30 -0400 From: Anna Schumaker To: , , , , , , , , , , Subject: [PATCH v3 5/9] vfs: Copy shouldn't forbid ranges inside the same file Date: Fri, 25 Sep 2015 16:48:11 -0400 Message-ID: <1443214096-12769-6-git-send-email-Anna.Schumaker@Netapp.com> In-Reply-To: <1443214096-12769-1-git-send-email-Anna.Schumaker@Netapp.com> References: <1443214096-12769-1-git-send-email-Anna.Schumaker@Netapp.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-nfs-owner@vger.kernel.org List-ID: This is perfectly valid for BTRFS and XFS, so let's leave this up to filesystems to check. Signed-off-by: Anna Schumaker Reviewed-by: David Sterba --- fs/read_write.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/fs/read_write.c b/fs/read_write.c index f3d6c48..8e7cb33 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1371,10 +1371,6 @@ ssize_t vfs_copy_file_range(struct file *file_in, loff_t pos_in, file_in->f_path.mnt != file_out->f_path.mnt) return -EXDEV; - /* forbid ranges in the same file */ - if (inode_in == inode_out) - return -EINVAL; - if (len == 0) return 0; -- 2.5.3