md/raid1: handle flush request correctly

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I got a warning triggered in align_to_barrier_unit_end. It's a flush
request so sectors == 0. The flush request happens to work well without
the new barrier patch, but we'd better handle it explictly.

Cc: NeilBrown <neilb@suse.com>
Acked-by: Coly Li <colyli@suse.de>
Signed-off-by: Shaohua Li <shli@fb.com>

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Shaohua Li 2017-02-21 10:56:19 -08:00

parent d939cdfde3

commit aff8da09f2

1 changed files with 7 additions and 3 deletions

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drivers/md/raid1.c

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