I have test these patches, and they work fine.
Thanks for the tip
- Forrest
2012/12/21 Theodore Ts'o <tytso@xxxxxxx>:
> And here is the test case....
>
> BTW, #protip: You can use the split_node command in tst_extents
> debugging program not only to perform node splits (which will make the
> tree wider), but if you try splitting at the root node, it will
> allocate a new extent tree block, and then move all of the extent tree
> nodes at the top-level, in the inode, into the new exterior extent
> tree block. In effect, this will make the tree deeper.
>
> This should allow you to make fairly arbitrarily deep and complex
> extent trees by hand, without having to resort to using fallocate and
> punch hole commands, which tend to take a lot longer than using the
> "insert_extent", "replace_extent", and "split_node" commands in
> tst_extent when creating test cases.
>
> This also makes it easier to create small test file system images so
> we don't have to bloat the e2fsprogs source tree with huge test file
> systems in our regression test suite (which also tend to very much
> slow down running said regression test suite).
>
> Regards,
>
> - Ted
>
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