Re: [PATCH 3/8] nowait aio: return if direct write will trigger writeback

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To: Goldwyn Rodrigues <rgoldwyn@xxxxxxx>
Subject: Re: [PATCH 3/8] nowait aio: return if direct write will trigger writeback
From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Date: Thu, 16 Mar 2017 06:08:24 -0700
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, jack@xxxxxxxx, hch@xxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, sagi@xxxxxxxxxxx, avi@xxxxxxxxxxxx, axboe@xxxxxxxxx, linux-api@xxxxxxxxxxxxxxx, Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
In-reply-to: <20170315215107.5628-4-rgoldwyn@suse.de>
References: <20170315215107.5628-1-rgoldwyn@suse.de> <20170315215107.5628-4-rgoldwyn@suse.de>
User-agent: Mutt/1.7.1 (2016-10-04)

On Wed, Mar 15, 2017 at 04:51:02PM -0500, Goldwyn Rodrigues wrote:
> This introduces a new function filemap_range_has_page() which
> returns true if the file's mapping has a page within the range
> mentioned.

I thought you were going to replace this patch with one that starts
writeback for these pages but does not wait for them?

Follow-Ups:
- Re: [PATCH 3/8] nowait aio: return if direct write will trigger writeback
  - From: Goldwyn Rodrigues

References:
- [PATCH 0/8 v3] No wait AIO
  - From: Goldwyn Rodrigues
- [PATCH 3/8] nowait aio: return if direct write will trigger writeback
  - From: Goldwyn Rodrigues

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