From mboxrd@z Thu Jan 1 00:00:00 1970 From: kusumi.tomohiro@gmail.com Subject: [PATCH 2/2] dm flakey: document that default I/O error is only for write (resend) Date: Wed, 13 Jan 2016 01:51:43 +0900 Message-ID: <56952c88.020d620a.94f42.2f0d@mx.google.com> References: <1452617503-18220-1-git-send-email-y> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1452617503-18220-1-git-send-email-y> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: snitzer@redhat.com, mpatocka@redhat.com Cc: Tomohiro Kusumi , dm-devel@redhat.com List-Id: dm-devel.ids From: Tomohiro Kusumi .map of dm-flakey with no optional feature parameters specified results in -EIO only for writes during down time. Read bios are submitted as usual whether it's in up or down time. Signed-off-by: Tomohiro Kusumi --- Documentation/device-mapper/dm-flakey.txt | 2 +- drivers/md/dm-flakey.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/device-mapper/dm-flakey.txt b/Documentation/device-mapper/dm-flakey.txt index 6ff5c23..c171706 100644 --- a/Documentation/device-mapper/dm-flakey.txt +++ b/Documentation/device-mapper/dm-flakey.txt @@ -27,7 +27,7 @@ Mandatory parameters: Optional feature parameters: If no feature parameters are present, during the periods of - unreliability, all I/O returns errors. + unreliability, all write I/O returns errors. drop_writes: All write I/O is silently ignored. diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c index 09e2afc..8da73ac 100644 --- a/drivers/md/dm-flakey.c +++ b/drivers/md/dm-flakey.c @@ -312,7 +312,7 @@ static int flakey_map(struct dm_target *ti, struct bio *bio) } /* - * By default, error all I/O. + * By default, error all write I/O. */ return -EIO; } -- 1.7.1