[PATCH 1/3] Filesystem: PR1398: Fix lseek() mechanic

Chris Johns chrisj at rtems.org
Tue May 8 06:43:59 UTC 2012


On 8/05/12 3:34 PM, Sebastian Huber wrote:
>
> Is the complex rtems_rfs_rtems_file_lseek() really necessary? What
> happens if we simply change the iop->offset? Will the read and write
> handler cope with that?
>

I do not know. The current file seek code plays with buffers. I am not 
sure what effect this may have if the code was removed. I can see moving 
this code would make the seek cheaper and if someone is seeking with no 
I/O there is a cost.

Is there another issue I am missing ?

Chris



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