Re: [PATCH 9/9] nilfs2: prevent starvation of segments protected by snapshots

2015-03-13 Thread Ryusuke Konishi
On Tue, 24 Feb 2015 20:01:44 +0100, Andreas Rohner wrote: It doesn't really matter if the number of reclaimable blocks for a segment is inaccurate, as long as the overall performance is better than the simple timestamp algorithm and starvation is prevented. The following steps will lead to

[PATCH 9/9] nilfs2: prevent starvation of segments protected by snapshots

2015-02-24 Thread Andreas Rohner
It doesn't really matter if the number of reclaimable blocks for a segment is inaccurate, as long as the overall performance is better than the simple timestamp algorithm and starvation is prevented. The following steps will lead to starvation of a segment: 1. The segment is written 2. A