From: Alberto Garcia <berto@igalia.com>
To: Fam Zheng <famz@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
pbonzini@redhat.com, qemu-devel@nongnu.org,
Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v3] block: Switch to host monotonic clock for IO throttling
Date: Wed, 25 Mar 2015 08:16:23 +0100 [thread overview]
Message-ID: <20150325071623.GA19368@igalia.com> (raw)
In-Reply-To: <1427251352-14809-1-git-send-email-famz@redhat.com>
On Wed, Mar 25, 2015 at 10:42:32AM +0800, Fam Zheng wrote:
> Block jobs are confusingly inconsistent between with and without
> throttling: if user sets a bps limit, starts a block job, then stops
> vm, the block job will not make any progress; in contrary, if user
> unsets the bps limit, the block job will run normally.
Wait, that's not what happens:
a) If you start a job then stop the vm then the job will be
completed immediately.
b) If you stop the vm then start the job then it won't make any
progress.
This patch fixes b), but a) still happens.
Berto
next prev parent reply other threads:[~2015-03-25 7:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-25 2:42 [Qemu-devel] [PATCH v3] block: Switch to host monotonic clock for IO throttling Fam Zheng
2015-03-25 7:16 ` Alberto Garcia [this message]
2015-03-25 7:22 ` Fam Zheng
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