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List:       fuse-devel
Subject:    Re: [fuse-devel] No such file or directory for SETATTR before OPEN
From:       Miklos Szeredi <miklos () szeredi ! hu>
Date:       2008-06-27 11:55:32
Message-ID: E1KCCY8-0007rv-PD () pomaz-ex ! szeredi ! hu
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>   Another solution can be an /dev/null simulation in my code. May be it is a
> better solution, than mounting my filesystem with dev option. I am trying to
> write a file handler, which will not write data to this file, when /dev/null
> path is detected. But it does not work, I get always this error:
> 
> LOOKUP /salstar.sk/www.salstar.sk/dev/null
>    NODEID: 5
>    unique: 10, error: 0 (Success), outsize: 136
> unique: 11, opcode: SETATTR (4), nodeid: 5, insize: 128
>    unique: 11, error: -2 (No such file or directory), outsize: 16
> 
> Why this -2 error is returned? What is this magic SETATTR?

SETATTR is a collective operation encompassing:

  - truncate
  - chmod
  - chown
  - utimes

In this case it's probably a truncate request.

Miklos

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