linux-kernel - Re: [PATCH RESEND v5] fat: editions to support fat

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Date:	Thu, 02 May 2013 18:34:08 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	Namjae Jeon <linkinjeon@...il.com>
Cc:	akpm@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Namjae Jeon <namjae.jeon@...sung.com>,
	Amit Sahrawat <a.sahrawat@...sung.com>
Subject: Re: [PATCH RESEND v5] fat: editions to support fat_fallocate

Namjae Jeon <linkinjeon@...il.com> writes:

>>> AFAIK, preallocation != fallocate. ext*'s preallocation was there at
>>> before fallocation to optimize block allocation for user data blocks.
> yes, this is correct , preallocation!= fallocate, we just adopted only
> the "release part" from that approach
> Sorry, Would you mind to adopt this approach :) ?

I'm ok as start if it works.

But from this discussion, discard at last close(2) doesn't look like
working for your requirement. Since you want to discard at last close of
inode, so, rather, I guess you actually want to discard at last
dereference of inode.

Thanks.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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