From: Mike Snitzer <snitzer@redhat.com>
To: Frank Mayhar <fmayhar@google.com>, Mikulas Patocka <mpatocka@redhat.com>
Cc: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>, dm-devel@redhat.com
Subject: Re: [PATCH v2 0/3] dm: allow mempool and bioset reserves to be tuned
Date: Fri, 13 Sep 2013 15:22:20 -0400 [thread overview]
Message-ID: <20130913192220.GA8120@redhat.com> (raw)
In-Reply-To: <1379098780-15141-1-git-send-email-snitzer@redhat.com>
On Fri, Sep 13 2013 at 2:59pm -0400,
Mike Snitzer <snitzer@redhat.com> wrote:
> You can pull these changes from the 'devel' branch of:
> git://git.kernel.org/pub/scm/linux/kernel/git/snitzer/linux.git
>
> To browse, see:
> https://git.kernel.org/cgit/linux/kernel/git/snitzer/linux.git/log/?h=devel
>
> v2 changes:
> Simplified the implementation. Dropped the peak_reserved_rq_based_ios
> tracking, we'll use the tracepoint patch Jun'ichi Nomura suggested:
> http://www.redhat.com/archives/dm-devel/2013-September/msg00048.html
This needs a v3 because the simplified code doesn't handle bounds
properly (previous version handled remapping 0 to defaults). But we
also need a maximum value that we're willing to support. So if the user
exceeds that value it is reset to the max supported.
next prev parent reply other threads:[~2013-09-13 19:22 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1376070533.26057.244.camel@bobble.lax.corp.google.com>
2013-08-17 12:30 ` [dm-devel] [PATCH] dm: Make MIN_IOS, et al, tunable via sysctl Alasdair G Kergon
2013-08-19 13:40 ` Mike Snitzer
2013-08-19 15:04 ` Frank Mayhar
2013-08-19 14:00 ` Mike Snitzer
2013-08-19 17:54 ` [dm-devel] " Frank Mayhar
2013-08-19 18:15 ` Mike Snitzer
2013-08-20 21:44 ` [dm-devel] " Mikulas Patocka
2013-08-20 21:52 ` Frank Mayhar
2013-08-20 21:41 ` Mikulas Patocka
2013-08-20 21:22 ` [dm-devel] [PATCH] " Mikulas Patocka
2013-08-20 21:28 ` Frank Mayhar
2013-08-20 21:47 ` Mikulas Patocka
2013-08-20 21:57 ` Frank Mayhar
2013-08-20 22:24 ` Mike Snitzer
2013-08-20 22:52 ` Mikulas Patocka
2013-08-20 23:14 ` Frank Mayhar
2013-08-22 17:26 ` Frank Mayhar
2013-08-26 14:28 ` Mikulas Patocka
2013-09-12 22:24 ` [PATCH 0/7] dm: allow mempool and bioset reserves to be tuned Mike Snitzer
2013-09-12 22:24 ` [PATCH 1/7] dm: lower bio-based mempool reservation Mike Snitzer
2013-09-12 22:40 ` Mikulas Patocka
2013-09-12 22:24 ` [PATCH 2/7] dm: add reserved_rq_based_ios module parameter Mike Snitzer
2013-09-12 22:45 ` Mikulas Patocka
2013-09-12 23:15 ` Mike Snitzer
2013-09-12 23:27 ` Mikulas Patocka
2013-09-12 23:32 ` Mike Snitzer
2013-09-12 22:24 ` [PATCH 3/7] dm: add reserved_bio_based_ios " Mike Snitzer
2013-09-12 22:47 ` Mikulas Patocka
2013-09-12 23:11 ` Mike Snitzer
2013-09-12 23:17 ` Mikulas Patocka
2013-09-18 15:17 ` Frank Mayhar
2013-09-12 22:24 ` [PATCH 4/7] dm io: use dm_get_reserved_bio_based_ios to size reserves Mike Snitzer
2013-09-12 22:48 ` Mikulas Patocka
2013-09-12 22:24 ` [PATCH 5/7] dm mpath: use dm_get_reserved_rq_based_ios to size mempool Mike Snitzer
2013-09-12 22:48 ` Mikulas Patocka
2013-09-12 22:24 ` [PATCH 6/7] dm: track the maximum number of bios in a cloned request Mike Snitzer
2013-09-12 22:55 ` Mikulas Patocka
2013-09-12 23:09 ` Mike Snitzer
2013-09-12 22:24 ` [PATCH 7/7] dm: optimize clone_rq() when track_peak_rq_based_ios is disabled Mike Snitzer
2013-09-12 23:00 ` Mikulas Patocka
2013-09-12 23:06 ` Mike Snitzer
2013-09-12 23:30 ` Mikulas Patocka
2013-09-12 23:53 ` Mike Snitzer
2013-09-13 4:46 ` Jun'ichi Nomura
2013-09-13 13:04 ` Mike Snitzer
2013-09-13 14:34 ` Mikulas Patocka
2013-09-13 18:59 ` [PATCH v2 0/3] dm: allow mempool and bioset reserves to be tuned Mike Snitzer
2013-09-13 18:59 ` [PATCH v2 1/3] dm: lower bio-based mempool reservation Mike Snitzer
2013-09-13 18:59 ` [PATCH v2 2/3] dm: add reserved_rq_based_ios module parameter Mike Snitzer
2013-09-13 18:59 ` [PATCH v2 3/3] dm: add reserved_bio_based_ios " Mike Snitzer
2013-09-13 19:22 ` Mike Snitzer [this message]
2013-09-13 20:30 ` [PATCH v2 0/3] dm: allow mempool and bioset reserves to be tuned Mike Snitzer
2013-09-13 21:08 ` [PATCH v3 " Mike Snitzer
2013-09-13 21:08 ` [PATCH v3 1/3] dm: lower bio-based mempool reservation Mike Snitzer
2013-09-13 21:08 ` [PATCH v3 2/3] dm: add reserved_rq_based_ios module parameter Mike Snitzer
2013-09-13 21:08 ` [PATCH v3 3/3] dm: add reserved_bio_based_ios " Mike Snitzer
2013-09-18 15:10 ` [PATCH v3 0/3] dm: allow mempool and bioset reserves to be tuned Frank Mayhar
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