Re: reiser4 metas/bmap problem

["Vladimir V. Saveliev" <vs@namesys.com>]

Hello

Hans Reiser wrote:
> Vladimir V. Saveliev wrote:
> 
>> Hello
>>
>> Hans Reiser wrote:
>>
>>> Andreas Dilger wrote:
>>>
>>>>
>>>>
>>>> The ext3_bmap() function flushes all file data to disk when called, 
>>>> and it
>>>> would be prudent to do the same with reiser4, since bmap users tend 
>>>> to be
>>>> important and not speed critical (e.g. lilo) and failing to do so 
>>>> can mean
>>>> not booting later.
>>>>  
>>>>
>>> Interesting point.  vs, please comment.
>>>
>> Yes, reiser4 might do something like that too. However, i am not sure 
>> how we can prevent relocation for files which were bmap-ed.
>>
>>>
>>>
>>
>>
>>
>>
> fsync first and then bmap?
> 
> 

It file will be later overwritten - flush may decide to relocate it.
So, if application which bmapped it will not re-bmap - there will be a confusion.

We need some way to mark file non-relocatable.