linux-ext4 - Re: [PATCH 2/2] ext4: speed up _require_ext4_bigalloc and _require_ext4_mkfs

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Message-ID: <20140908120213.GF1066@thunk.org>
Date:	Mon, 8 Sep 2014 08:02:13 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Dave Chinner <david@...morbit.com>
Cc:	fstests@...r.kernel.org, hch@...radead.org,
	linux-ext4@...r.kernel.org, wangxg.fnst@...fujitsu.com,
	eguan@...hat.com
Subject: Re: [PATCH 2/2] ext4: speed up _require_ext4_bigalloc and
 _require_ext4_mkfs_bigalloc

On Mon, Sep 08, 2014 at 07:50:00PM +1000, Dave Chinner wrote:
> On Sun, Sep 07, 2014 at 10:06:08PM -0400, Theodore Ts'o wrote:
> > We don't need to make a full-sized file system in order to test
> > whether "mkfs.ext4 -O bigalloc" works.
> 
> Why wouldn't you just use the "-n" option? If bigalloc is not
> supported, that should still fail, right?

Good point.  We still need to make the file system for
_require_ext4_bigalloc, but there's no need to create one for
_require_ext4_mkfs_bigalloc.

					- Ted
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