linux-kernel - Re: [PATCH 7/7] fs-writeback: only allow one inflight and pending full flush

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Message-ID: <20170921173339.GA13384@infradead.org>
Date:   Thu, 21 Sep 2017 10:33:39 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Christoph Hellwig <hch@...radead.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, hannes@...xchg.org, clm@...com, jack@...e.cz
Subject: Re: [PATCH 7/7] fs-writeback: only allow one inflight and pending
 full flush

On Thu, Sep 21, 2017 at 10:00:25AM -0600, Jens Axboe wrote:
> Something like the below would fit on top to do that. Gets rid of the
> allocation and embeds the work item for global start-all in the
> bdi_writeback structure.

Something like that.  Although if we still kalloc the global
wb we wouldn't have to expose all the details in the header.