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[Qemu-devel] [PATCH 0/3] qemu-img: rebase: Improve/optimize rebase opera

From: Sam Eiderman
Subject: [Qemu-devel] [PATCH 0/3] qemu-img: rebase: Improve/optimize rebase operation
Date: Thu, 2 May 2019 11:50:26 +0300 
This patch series aims to improve the speed of qemu-img rebase.

1. Mainly by removing unnecessary reads when rebasing on the same
   chain.
2. But also by minimizing the number of bdrv_open calls rebase
   requires.
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