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SubjectRe: [PATCH v2] MD: raid, fix BUG caused by flags handling
Jiri Slaby <> writes:

> Commit 74450be1 (block: unify flags for struct bio and struct request)
> added direct test of flags in the & form:
> const bool do_sync = (bio->bi_rw & REQ_SYNC);
> But this doesn't fit into bool with my compiler (gcc 4.5). So change
> the type to ulong to avoid the bug.

At first I wondered why you didn't use the !! trick, but after looking
at the code, I see that the result is |'d into bi_rw.

Looks good. Sounds like it might have been a real bear to track down.

Reviewed-by: Jeff Moyer <>

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