On Wed, Jan 4, 2012 at 4:56 AM, Swapnil Gaikwad <[email protected]> wrote:
> Is it is possible to point to other partition's datablocks?

Assuming you're willing to write new code, of course you can do that.

Examples:

Device mapper does it.  See the last email I just sent with DM pseudo
code for COW.

Note, DM calls them volumes, not partitions but the logic is the same.

Also, a lot of filesystems support a separate journal partition.  So
you have data in the journal that references the primary volume.

Greg

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