From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de ([195.135.220.15]:43114 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726251AbeIKER5 (ORCPT ); Tue, 11 Sep 2018 00:17:57 -0400 From: Mark Fasheh To: Andrew Morton Cc: Al Viro , linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, Michael Kerrisk , linux-btrfs@vger.kernel.org, linux-xfs@vger.kernel.org, "Darrick J . Wong" , Adam Borowski , David Sterba , Mark Fasheh Subject: [PATCH 2/2] vfs: dedupe should return EPERM if permission is not granted Date: Mon, 10 Sep 2018 16:21:18 -0700 Message-Id: <20180910232118.14424-3-mfasheh@suse.de> In-Reply-To: <20180910232118.14424-1-mfasheh@suse.de> References: <20180910232118.14424-1-mfasheh@suse.de> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Right now we return EINVAL if a process does not have permission to dedupe a file. This was an oversight on my part. EPERM gives a true description of the nature of our error, and EINVAL is already used for the case that the filesystem does not support dedupe. Signed-off-by: Mark Fasheh Reviewed-by: Darrick J. Wong Acked-by: David Sterba --- fs/read_write.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/read_write.c b/fs/read_write.c index be0e8723a049..c734bc2880a5 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1991,7 +1991,7 @@ int vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos, if (ret < 0) goto out_drop_write; - ret = -EINVAL; + ret = -EPERM; if (!allow_file_dedupe(dst_file)) goto out_drop_write; -- 2.15.1