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Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?)
From: |
Eric Sandeen |
Subject: |
Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?) |
Date: |
Tue, 19 Apr 2011 09:13:19 -0500 |
User-agent: |
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.15) Gecko/20110303 Thunderbird/3.1.9 |
On 4/19/11 9:09 AM, Ted Ts'o wrote:
> On Tue, Apr 19, 2011 at 05:45:38PM +1000, Dave Chinner wrote:
>> You are *not listening*. There is no #2. FIEMAP returns the extent
>> state _on disk_ at the time of the call.
>
> Dave, you're being rather strident about your insistence about what
> FIEMAP's semantics are. Part of the problem here is that it's *not*
> clear or settled.
>
> If it really is the state _on_ _disk_, does XFS really have a DELALLOC
> bit _on_ _disk_?
>
> - Ted
>
no of course it doesn't....
But I too am confused about Dave's assertion that it only reflects ondisk state
when we have that pesky delalloc flag.
Whose idea was that, anyway? ;)
I'd certainly buy the argument that it -should- only reflect ondisk state, and
we should nuke the delalloc flag from orbit, if we could, though.
-Eric
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), (continued)
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Jim Meyering, 2011/04/21
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Yongqiang Yang, 2011/04/18
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Dave Chinner, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Christoph Hellwig, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Dave Chinner, 2011/04/18
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Yongqiang Yang, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Dave Chinner, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Yongqiang Yang, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Eric Sandeen, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Ted Ts'o, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?),
Eric Sandeen <=
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Ted Ts'o, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Yongqiang Yang, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Christoph Hellwig, 2011/04/20
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Ted Ts'o, 2011/04/20
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Dave Chinner, 2011/04/19
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Christoph Hellwig, 2011/04/20
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Yongqiang Yang, 2011/04/16
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Dave Chinner, 2011/04/17
Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Eric Sandeen, 2011/04/14
Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Jim Meyering, 2011/04/20