Re: [PATCH AUTOSEL 4.19 059/206] ext4: make dioread_nolock the default

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On Thu, Sep 17, 2020 at 10:05:35PM -0400, Sasha Levin wrote:
> From: Theodore Ts'o <tytso@xxxxxxx>
> 
> [ Upstream commit 244adf6426ee31a83f397b700d964cff12a247d3 ]
> 
> This fixes the direct I/O versus writeback race which can reveal stale
> data, and it improves the tail latency of commits on slow devices.
> 
> Link: https://lore.kernel.org/r/20200125022254.1101588-1-tytso@xxxxxxx
> Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

Any particular reason to be backporting this?  I thought I saw some fixes for
dioread_nolock go by, after it was made the default.  Are you getting all of
those fixes too?

- Eric



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