[PATCH] md: remove extra loop from copy_data
copy_data currently loops over bio's in a list, but the caller also does the same looping, sometimes with extra work. So remove the loop from copy_data. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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