Btrfs: use larger nr_to_write for larger extents
When btrfs fills a large delayed allocation extent, it is a good idea
to try and convince the write_cache_pages caller to go ahead and
write a good chunk of that extent. The extra IO is basically free
because we know it is contiguous.
Signed-off-by:
Chris Mason <chris.mason@oracle.com>
parent
4f878e84
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