Re: [RFC PATCH 16/17] fs: convert buffer head etc. to use immutable biovecs API.

[Christoph Hellwig]

On Mon, Dec 22, 2014 at 12:48:43PM +0100, Dongsu Park wrote:
> From: Kent Overstreet <kmo@xxxxxxxxxxxxx>
> 
> Increase bio->bi_remaining instead of calling bio_get(),
> and call bio_end() instead of bio_put() upon buffer_head submission.

Nees an explanation on why this is done.

> Also make bio submission in kernel/power/block_io.c to properly submit
> bios by checking whether bio_chain is available or not.

Should be a separate patch.

And of course both should go into the preparation series of cleanups.

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