[sheepdog] [PATCH RFC 0/2] sheepdev: linux kernel module of block device driver for sheepdog

[Jan Dvořák]

> From: levin li <xingke.lwp at taobao.com>
> 
> This module provides function for users to take sheepdog VDIs as block
> devices in linux, users can register a VDI to its kernel space, it just
> like that a new hard disk is added to the computer, users can create
> partitions for the disk, format the disk or mount the disk, it provides
> users a efficient way to use sheepdog as distributed storage system.

Doesn't this deadlock under low-memory conditions? I mean, when kernel
needs to write some pages to reclaim memory and sheepdog allocates
more memory to perform it's network operations?
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