Re: inode and blocks

["Rohit Sharma" <imreckless@xxxxxxxxx>]

Not an assignment actually, but a project.
We are working on open hierarchical storage management, in which we
store files on disks according to different file placement policies.
For eg. if i say that all the important files, like all the employee
database should be in disk 1 and all the songs on disk 2, then we
place them accordingly in different disks.


On Mon, Sep 29, 2008 at 2:31 AM, Theodore Tso <tytso@xxxxxxx> wrote:
> On Sun, Sep 28, 2008 at 03:49:04PM +0530, Rohit Sharma wrote:
>> Suppose i have a file named abc.txt and i want to specify that
>> all the *.txt files must be allocated between block groups no. 100 -
>> 200 in ext2 fs.
>>
>> Is there a way to do this?
>>
>> can we modify function ext2_new_inode and find_group_orlov for this?
>
> You would have to modify kernel code to do this; the main question
> which comes to mind is *why* would you want to do something like this?
> It seems like an ideal problem set that a professor might give to a
> student, since it would force them to try to get from an inode to the
> pathname used to open the file.  So it seems to be one of these really
> pointless things that isn't particularly useful in real life, except
> for pedagogical purposes.
>
>                                                        - Ted
>

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