From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E1606396EDE; Mon, 5 May 2025 23:06:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486397; cv=none; b=rHp8v9lqoDQGut/l/a3XMiNao9e3ivT1Dgy690g77hnHcct6SHbqNWfrotELx8WpEjTHTpee7wGpoo0xGfAcd9LGq2XLeF7dJV7H7NpOC+rPi6S7b2g5R3ozPEHwQiW1W+zJL13gxgTVVhxZVKw7gPTNiQHn2x4G6GM95VifYBI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486397; c=relaxed/simple; bh=m2GFJbyIvE55mB9sL7la2Qs3ZSWL0oLBjNaV/X80mp4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=j9luuiGJxwJW/HHBQRAZODIVUxsYoyDFHSBU3+u5OEdaiDoFrEDQOcwRrY9LYtDSmCd2Zy8hL7H8TJPmJIiK+iBOFuqy4906L6cLNzsl4bLRGyvI8oBDyjzlr2KDYpOT6JjV8JMuUO0dCrBCbEhWjXuOPdtCHC4wHaPzIbZPHmQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e8dP6+MD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="e8dP6+MD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 052F5C4CEF1; Mon, 5 May 2025 23:06:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746486395; bh=m2GFJbyIvE55mB9sL7la2Qs3ZSWL0oLBjNaV/X80mp4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e8dP6+MDzZYcqJ+NfokNkVk+kyisLRLlQZn4GHZ4p1ss8aNzwyHYb3BFbCCCqXFfV bKGq9yXQtBlv69Vbt6LYpXmhLWm36DyFRR5XWoot0NqP7z8JkpXJ/OnJGvvQHZu8wi aHDVV8FDnEJIrLqGUtTiLZK17f77uDEM0lXF6DkSctdIc/G2+hAWY/9+9GpJrVq8Kp avj68vOnaOOs2kDFFJMn3FfCOQL2M/VgUKGceoUvDuw9wKZb3DI7y1MHLVt743QTiD QFPkrbB9/1mjGd59SRaW4R3O3JZSWwtnMn9vHOoo7/x96wwlcmGiVyZBzwqvhTGVH1 uuqotkUouEcfw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Matt Johnston , Miklos Szeredi , Sasha Levin , miklos@szeredi.hu, linux-fsdevel@vger.kernel.org Subject: [PATCH AUTOSEL 6.1 006/212] fuse: Return EPERM rather than ENOSYS from link() Date: Mon, 5 May 2025 19:02:58 -0400 Message-Id: <20250505230624.2692522-6-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505230624.2692522-1-sashal@kernel.org> References: <20250505230624.2692522-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.136 Content-Transfer-Encoding: 8bit From: Matt Johnston [ Upstream commit 8344213571b2ac8caf013cfd3b37bc3467c3a893 ] link() is documented to return EPERM when a filesystem doesn't support the operation, return that instead. Link: https://github.com/libfuse/libfuse/issues/925 Signed-off-by: Matt Johnston Signed-off-by: Miklos Szeredi Signed-off-by: Sasha Levin --- fs/fuse/dir.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index c431abbf48e66..0dbacdd7bb0d8 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1068,6 +1068,8 @@ static int fuse_link(struct dentry *entry, struct inode *newdir, else if (err == -EINTR) fuse_invalidate_attr(inode); + if (err == -ENOSYS) + err = -EPERM; return err; } -- 2.39.5