<direction>: Either 'r' to corrupt reads or 'w' to corrupt writes.
'w' is incompatible with drop_writes.
<value>: The value (from 0-255) to write.
- <flags>: Perform the replacement only if bio->bi_rw has all the
+ <flags>: Perform the replacement only if bio->bi_opf has all the
selected flags set.
Examples: