From: Martin Wilck <mwilck@suse.com>
To: Benjamin Marzinski <bmarzins@redhat.com>,
device-mapper development <dm-devel@redhat.com>
Subject: Re: [PATCH 10/12] multipathd: clean up set_no_path_retry
Date: Thu, 07 Dec 2017 23:14:10 +0100 [thread overview]
Message-ID: <1512684850.22250.8.camel@suse.com> (raw)
In-Reply-To: <1512672546-12785-11-git-send-email-bmarzins@redhat.com>
On Thu, 2017-12-07 at 12:49 -0600, Benjamin Marzinski wrote:
> set_no_path_retry() was always updating the queue_if_no_path setting,
> even if it was unnecessary. This caused problems when no_path_retry
> was
> set to a number, where any time __setup_multipath() was called with
> reset, queuing automatically restarted, even if there were no usable
> paths.
>
> Instead, set_no_path_retry() should just fix the queueing if it is
> set
> to an incorrect value. This is simple to detect if no_path_retry is
> set
> to "queue" or "fail". When it is set to a number, multipathd needs
> to
> see if there are usable paths. If so, queueing should be enabled. If
> not, queueing may be either enabled or disabled, but if it is enabled
> and the device isn't already in recovery mode, it should be.
>
> Also, calling dm_map_present() is pointless in __setup_multipath(),
> since the existence of the map was just checked in dm_get_info().
>
> Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
> ---
Reviewed-by: Martin Wilck <mwilck@suse.com>
--
Dr. Martin Wilck <mwilck@suse.com>, Tel. +49 (0)911 74053 2107
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel
next prev parent reply other threads:[~2017-12-07 22:14 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-07 18:48 [PATCH 00/12] Misc fixes Benjamin Marzinski
2017-12-07 18:48 ` [PATCH 01/12] multipath: add "ghost_delay" parameter Benjamin Marzinski
2017-12-07 22:08 ` Martin Wilck
2017-12-07 18:48 ` [PATCH 02/12] kpartx: don't delete partitions from partitions Benjamin Marzinski
2017-12-07 22:09 ` Martin Wilck
2017-12-07 18:48 ` [PATCH 03/12] multipath: fix hwhandler check in select_action Benjamin Marzinski
2017-12-07 22:09 ` Martin Wilck
2017-12-07 18:48 ` [PATCH 04/12] libmultipath: cleanup features handling code Benjamin Marzinski
2017-12-07 22:10 ` Martin Wilck
2017-12-08 15:24 ` Martin Wilck
2017-12-08 21:12 ` Benjamin Marzinski
2017-12-07 18:48 ` [PATCH 05/12] multipathd: move helper functions to libmultipath Benjamin Marzinski
2017-12-07 22:11 ` Martin Wilck
2017-12-07 18:49 ` [PATCH 06/12] multipathd: fix device creation issues Benjamin Marzinski
2017-12-08 17:26 ` Martin Wilck
2018-01-30 16:51 ` Martin Wilck
2018-01-30 18:34 ` Benjamin Marzinski
2018-01-30 19:02 ` Martin Wilck
2017-12-07 18:49 ` [PATCH 07/12] multipathd: remove select_* from setup_multipath Benjamin Marzinski
2017-12-08 20:08 ` Martin Wilck
2017-12-07 18:49 ` [PATCH 08/12] libmultipath: __setup_multipath param cleanup Benjamin Marzinski
2017-12-08 20:13 ` Martin Wilck
2017-12-07 18:49 ` [PATCH 09/12] multipathd: move recovery mode code to function Benjamin Marzinski
2017-12-07 22:13 ` Martin Wilck
2017-12-07 18:49 ` [PATCH 10/12] multipathd: clean up set_no_path_retry Benjamin Marzinski
2017-12-07 22:14 ` Martin Wilck [this message]
2017-12-07 18:49 ` [PATCH 11/12] multipath: check failed path dmstate in check_path Benjamin Marzinski
2017-12-07 22:14 ` Martin Wilck
2017-12-07 18:49 ` [PATCH 12/12] multipathd: marginal path code fixes Benjamin Marzinski
2017-12-07 22:15 ` Martin Wilck
2018-01-13 9:19 ` [PATCH 00/12] Misc fixes Christophe Varoqui
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1512684850.22250.8.camel@suse.com \
--to=mwilck@suse.com \
--cc=bmarzins@redhat.com \
--cc=dm-devel@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).