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Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?)
From: |
Theodore Tso |
Subject: |
Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?) |
Date: |
Sat, 16 Apr 2011 08:21:28 -0400 |
On Apr 16, 2011, at 1:11 AM, Andreas Dilger wrote:
> In that case, it means cp should just always use FIEMAP_FLAG_SYNC, which is
> fine.
Except that if someone is copying a large delay allocated file, it will cause
the file to immediately snapped to disk, which might not be the greatest
thing in the world. Christoph is write, SEEK_HOLE and SEEK_DATA are
a much better API for what cp woulld lke to do. Unfortunately it hasn't
been implemented yet in the VFS...
- Ted
- 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?), Dave Chinner, 2011/04/14
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Jim Meyering, 2011/04/15
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Christoph Hellwig, 2011/04/15
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Eric Blake, 2011/04/15
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Christoph Hellwig, 2011/04/15
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Andreas Dilger, 2011/04/15
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Dave Chinner, 2011/04/15
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Andreas Dilger, 2011/04/15
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Dave Chinner, 2011/04/15
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Andreas Dilger, 2011/04/16
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?),
Theodore Tso <=
- 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?), Andreas Dilger, 2011/04/17
- 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?), Ted Ts'o, 2011/04/18
- Re: Files full of zeros with coreutils-8.11 and xfs (FIEMAP related?), Eric Sandeen, 2011/04/18
- 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