Re: reiser4 plugins

[David Masover]

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Neil Brown wrote:
> On Monday July 11, ninja@xxxxxxxxxxxx wrote:
> 
>>Stefan Smietanowski wrote:
>>
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>>>>Ok, still haven't heard much discussion of metafs vs file-as-directory,
>>>>but it seems like it'd be easier in metafs.
>>>
>>>
>>>Why not implement it inside the directory containg the file ?
>>>
>>>Ie the metadata for /home/stesmi/foo is in /home/stesmi/.meta/foo
>>>
>>>This should be suit both camps I'd think?
>>
>>You still need to figure out the parent of "foo", which isn't 
>>necessarily easy, especially considering that even if we store a link to 
>>the parent, it will be inside the metadata.  Then you have a 
>>chicken-and-egg situation.
>>
>>Both camps seem to want to allow easy access to the metadata of a file, 
>>whether we're given that file as an inode or as a pathname.  That's why 
>>I suggested /meta/vfs and /meta/inode -- sometimes I want to look up a 
>>file by name, and sometimes by inode, but either way, I should be able 
>>to get its metadata.
> 
> 
> Well, it's not really 'as an inode or as a pathname'.  It is 'as an
> open file descriptor or as a path name' which is an important
> difference.
> 
> Maybe it is worth repeating Al Viro's suggestion at this point.  I
> don't have a reference but the idea was basically that if you open
> "/foo" and get filedescriptor N, then
>    /proc/self/fds/N-meta

How am I supposed to get there with a shell script?
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