dm flakey: error READ bios during the down_interval
When the corrupt_bio_byte feature was introduced it caused READ bios to no longer be errored with -EIO during the down_interval. This had to do with the complexity of needing to submit READs if the corrupt_bio_byte feature was used. Fix it so READ bios are properly errored with -EIO; doing so early in flakey_map() as long as there isn't a match for the corrupt_bio_byte feature. Fixes: a3998799 ("dm flakey: add corrupt_bio_byte feature") Reported-by: NAkira Hayakawa <ruby.wktk@gmail.com> Signed-off-by: NMike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org
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