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Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only
From: |
Joerg Schilling |
Subject: |
Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes |
Date: |
Tue, 23 Jan 2018 12:19:38 +0100 |
User-agent: |
Heirloom mailx 12.5 7/5/10 |
Mark H Weaver <address@hidden> wrote:
> > Now many bytes have been written past the hole?
>
> Did you read my entire message? The answer to your question was just a
> few lines beyond the excerpt that you quoted above. I wrote:
>
> >> Yes, on Btrfs I reliably see (st_blocks == 0) on a recently written,
> >> mostly sparse file with size > 8G, using linux-libre-4.14.14. More
> >> specifically, the "storing sparse files > 8G" test in tar's test suite
> >> reliably fails on my system:
> >>
> >> 140: storing sparse files > 8G FAILED
> >> (sparse03.at:29)
> >>
> >> The test creates a sparse file consisting of 8 gibibytes of hole
> >> followed by 512 bytes of 'A's at the end. [...]
Sorry, I did not see this.
Well then it would be of interest whether btrfs is able to keep 512 bytes of
data in the meta data space.
Jörg
--
EMail:address@hidden (home) Jörg Schilling D-13353 Berlin
address@hidden (work) Blog: http://schily.blogspot.com/
URL: http://cdrecord.org/private/ http://sf.net/projects/schilytools/files/'
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, (continued)
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Pavel Raiskup, 2018/01/10
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Dominique Martinet, 2018/01/10
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Joerg Schilling, 2018/01/10
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Andreas Dilger, 2018/01/18
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Joerg Schilling, 2018/01/19
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Andreas Dilger, 2018/01/17
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Joerg Schilling, 2018/01/18
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Mark H Weaver, 2018/01/20
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Joerg Schilling, 2018/01/22
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Mark H Weaver, 2018/01/23
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes,
Joerg Schilling <=
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Mark H Weaver, 2018/01/23
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Andreas Dilger, 2018/01/23
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Andreas Dilger, 2018/01/22
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Mark H Weaver, 2018/01/23
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Andreas Dilger, 2018/01/23
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Mark H Weaver, 2018/01/24
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Ralph Corderoy, 2018/01/24
- Re: [Bug-tar] [PATCH] Remove nonportable check for files containing only zeroes, Andreas Dilger, 2018/01/25
Re: [Bug-tar] Detection of sparse files is broken on btrfs, Joerg Schilling, 2018/01/08