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Message-ID: <20150722035609.GC2944@thunk.org>
Date: Tue, 21 Jul 2015 23:56:09 -0400
From: Theodore Ts'o <tytso@....edu>
To: Tejun Heo <tj@...nel.org>
Cc: axboe@...nel.dk, linux-kernel@...r.kernel.org,
linux-fsdevel@...r.kernel.org, lizefan@...wei.com,
cgroups@...r.kernel.org, hannes@...xchg.org, kernel-team@...com,
adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 1/2] ext4: replace ext4_io_submit->io_op with ->io_wbc
On Tue, Jun 16, 2015 at 06:53:12PM -0400, Tejun Heo wrote:
> ext4_io_submit_init() takes the pointer to writeback_control to test
> its sync_mode and determine between WRITE and WRITE_SYNC and records
> the result in ->io_op. This patch makes it record the pointer
> directly and moves the test to ext4_io_submit().
>
> This doesn't cause any noticeable differences now but having
> writeback_control available throughout IO submission path will be
> depended upon by the planned cgroup writeback support.
>
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Cc: "Theodore Ts'o" <tytso@....edu>
> Cc: Andreas Dilger <adilger.kernel@...ger.ca>
> Cc: linux-ext4@...r.kernel.org
Thanks, applied.
- Ted
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