On 04/15/2011 01:36 PM, Chris Mason wrote:
Excerpts from Josef Bacik's message of 2011-04-15 12:56:15 -0400:
We currently track trans handles in current->journal_info, but we don't actually
use it. This patch fixes it. This will cover the case where we have multiple
people starting transactions down the call chain. This keeps us from having to
allocate a new handle and all of that, we just increase the use count of the
current handle, save the old block_rsv, and return. I tested this with xfstests
and it worked out fine. Thanks,
Just curious, which call stacks are currently nesting transactions?
The one that kept getting me in trouble was the run_delalloc_nocow which
could possibly call cow_file_range. I didn't notice any others, but I
didn't really look all that hard either. Thanks,
Josef
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