[haiku-development] Re: bfs_fuse is limited to 2G
- From: Vladimir 'φ-coder/phcoder' Serbinenko <phcoder@xxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Sun, 30 Oct 2011 09:43:59 +0100
A replication script:
FSIMAGE="/home/phcoder/bfs.img"
FSLABEL=grub_test
MNTPOINTRW=/home/phcoder/mnt
qemu-img create /home/phcoder/bfs.img 10G
LD_LIBRARY_PATH=/home/phcoder/repos/haiku/haiku/generated/objects/linux/lib/
/home/phcoder/repos/haiku/haiku/generated/objects/linux/x86/release/tools/bfs_shell/bfs_shell
--initialize "$FSIMAGE" "$FSLABEL"
/home/phcoder/repos/haiku/haiku/generated/objects/linux/x86/release/tools/bfs_shell/bfs_fuse
"$FSIMAGE" "$MNTPOINTRW"
BIGBLOCKCNT=5000
(openssl rand $((BIGBLOCKCNT * 262144)); openssl rand $((BIGBLOCKCNT
* 262144)); openssl rand $((BIGBLOCKCNT * 262144)); openssl rand
$((BIGBLOCKCNT * 262144))) >> "$MNTPOINTRW/myfs/big.img"
On 28.10.2011 23:30, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
> On 27.10.2011 21:56, Axel Dörfler wrote:
>> Axel Dörfler<axeld@xxxxxxxxxxxxxxxx> wrote:
>>> Vladimir ?-coder/phcoder Serbinenko<phcoder@xxxxxxxxx> wrote:
>>>> I mount a freshly-created bfs image using bfs_fuse. And I do:
>>>> BIGBLOCKCNT=5000
>>>> (openssl rand $((BIGBLOCKCNT * 262144)); openssl rand $((BIGBLOCKCNT
>>>> * 262144)); openssl rand $((BIGBLOCKCNT * 262144)); openssl rand
>>>> $((BIGBLOCKCNT * 262144))) > big.img
>>>> On other FS this creates a 5G random file. On bfs-fuse it creates only a
>>>> file as big as 2133430272 bytes.
>>> That must be a bug in the fs_shell. Please file a bug report at
>>> dev.haiku-os.org, and thanks for the note!
> I couldn't figure out the interface on it. I think I'll get my hands
> dirty and just make a patch for it
>> Scratch that - I've used the fs_shell to copy way more than 2G files. It
>> must be the fuse layer then :-)
>>
> Wouldn't be so sure. Semantics of that command was a continuous append,
> not a copy, might make a difference.
>> Bye,
>> Axel.
>>
>>
>>
>
--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko
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