linux-ext4 - Re: Some interesting input from a flash manufacturer

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Message-ID: <yq1mx7tk1rn.fsf@sermon.lab.mkp.net>
Date:	Tue, 06 Mar 2012 13:44:28 -0500
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	"Ted Ts'o" <tytso@....edu>
Cc:	Eric Sandeen <sandeen@...hat.com>, linux-ext4@...r.kernel.org,
	Lukas Czerner <lczerner@...hat.com>
Subject: Re: Some interesting input from a flash manufacturer

>>>>> "Ted" == Ted Ts'o <tytso@....edu> writes:

Ted> As far as the /sys/block/XXX/queue/* framework, certainly.  It's
Ted> not clear, however, whether or not we should use entirely new
Ted> parameters, or try to reuse the existing parameters.  For example,
Ted> would it be better to use optimal_io_size for the flash page size,
Ted> or the erase block size?

If we were to use the existing fields we'd probably set min_io to the
flash page size and optimal_io to the erase block size.

-- 
Martin K. Petersen	Oracle Linux Engineering
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