On Sun, Feb 10, 2013 at 04:45:11PM +0800, Zheng Liu wrote:
>
> This chunk is missing in your 'dev' branch of ext4. If we call
> ext4_map_blocks here, unwritten extent in disk will never be converted
> because ext4_map_blocks first tries to lookup extent status tree and the
> unwriten extent in this tree has been converted in end_io callback
> function. It always looks up a written extent in cache, and return
> immdiately. Please check it again.
Thanks for catching this! I missed the the patch hunk getting
rejected because I had been distracted with the patch hunk rejection
caused by the fact that we've since dropped the function
ext4_end_io_buffer_write().
I've fixed this up and pushed an updated git "dev" branch.
- Ted
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