From: Boaz Harrosh <boaz@plexistor.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Jens Axboe <axboe@fb.com>, Brian Foster <bfoster@redhat.com>,
fstests@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] brd: Only request 4K sectors if DAX is enabled
Date: Sun, 01 Mar 2015 10:30:25 +0200 [thread overview]
Message-ID: <54F2CE21.6080206@plexistor.com> (raw)
In-Reply-To: <20150227002302.GF18360@dastard>
On 02/27/2015 02:23 AM, Dave Chinner wrote:
> On Thu, Feb 26, 2015 at 10:41:46AM +0200, Boaz Harrosh wrote:
>>
>> People systems have been using ramdisk with
>> smaller-than-page-size blocks in their mkfs.
>>
>> The 4K sectors is only important if we will be
>> using brd with a DAX filesystem.
>>
>> So only enable 4K sectors if DAX is configured
>
> 4k sectors are not a problem - we should be handling them fine and
> because it makes the ramdisk look like a 512e drive, no applications
> should fail, either.
>
> The main "unexpected" part about it was how much of xfstests didn't
> handle 4k sectors in mkfs output properly. This isn't a problem with
> the kernel change and so doesn't need fixing.
>
Glad to be of service ;-)
Please tell me if there is anything I can help with
> Cheers,
> Dave.
>
Thanks
Boaz
next prev parent reply other threads:[~2015-03-01 8:30 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-24 22:54 [PATCH v2 0/4] fstests: sector size fixes and whiteouts Dave Chinner
2015-02-24 22:54 ` [PATCH 1/4] xfs/104: log size too small for 4k sector drives Dave Chinner
2015-02-25 16:11 ` Brian Foster
2015-02-25 22:32 ` ramdisk problems in 4.0-rc1? (was Re: [PATCH 1/4] xfs/104: log size too small for 4k sector drives) Dave Chinner
2015-02-25 23:31 ` Brian Foster
2015-02-25 23:43 ` Dave Chinner
2015-02-26 7:46 ` Boaz Harrosh
2015-02-26 17:23 ` Brian Foster
2015-03-01 8:49 ` Boaz Harrosh
2015-03-01 14:28 ` Brian Foster
2015-02-27 0:58 ` Dave Chinner
2015-03-01 8:27 ` Boaz Harrosh
2015-03-02 1:09 ` Dave Chinner
2015-03-02 9:40 ` Boaz Harrosh
2015-02-26 8:14 ` [PATCH] brd: Re-instate ram disk visibility option (part_show) Boaz Harrosh
2015-02-26 8:41 ` [PATCH] brd: Only request 4K sectors if DAX is enabled Boaz Harrosh
2015-02-26 8:48 ` Boaz Harrosh
2015-02-27 0:23 ` Dave Chinner
2015-03-01 8:30 ` Boaz Harrosh [this message]
2015-02-24 22:54 ` [PATCH 2/4] xfs: don't output mkfs sector sizes into golden output Dave Chinner
2015-02-27 18:56 ` Brian Foster
2015-02-24 22:54 ` [PATCH 3/4] xfs/049: umount -d fails when kernel wins teardown race Dave Chinner
2015-02-27 18:56 ` Brian Foster
2015-02-24 22:54 ` [PATCH 4/4] generic: Add rudimetary RENAME_WHITEOUT test Dave Chinner
2015-02-27 18:57 ` Brian Foster
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