RE: Linux VFS and inode numbers in the inode list

["Aboo Valappil" <aboo@xxxxxxxx>]

Hi All,

Due to some reason I am not getting mail from newbies sinces 23/11 !
Please CC me on the reply ... Thank you.

Aboo
 

> -----Original Message-----
> From: Aboo Valappil 
> Sent: Thursday, December 02, 2004 8:56 AM
> To: kernelnewbies@xxxxxxxxxxxx
> Subject: Linux VFS and inode numbers in the inode list
> 
> Hi,
> 
> Please help me with this question.
> 
> I was working with Certain NFS server implimentations which 
> returns 64bit fileids. Linux seems to be converting these 64 
> bit file ids to 32bit inode numbers before storing it in the 
> inode table (Inode information is filled by lookup inode 
> operation, which calls nfs_lookup, which then calls nfs_fhget).
> 
> Because of this converstion from 64 bit to 32 bit, there 
> could be duplicate inode numbers in VFS inode list ( Do not 
> doubt it, I have seen it practically and bit difficult to 
> explain, but it happens).
> 
> Will the system run in to some issues if there is duplicate 
> inode numbers ?. 
> 
> As far as I know, all the access to inode list is through 
> dentry cache. So it should not be a problem, I guess. Is 
> there any kernel functions which purely works with inode 
> numbers to locate the inode details from the inode list ?
> 
> Any ideas ?
> 
> Thanks
> 
> Aboo
> 

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