On Sun, Apr 17 2016 at 1:37P -0400,
Ahmed Samy <[email protected]> wrote:
> commit 9567366fefdd ("dm cache metadata: fix READ_LOCK macros and cleanup
> WRITE_LOCK macros")
> seemed to use down_write instead of down_read in cmd_read_lock(), yet
> releasing it with up_read() in READ_UNLOCK. Fix it.
>
> Cc: Mike Snitzer <[email protected]>
> Cc: [email protected]
> Signed-off-by: Ahmed Samy <[email protected]>
Ugh, very frustrating -- I must've looked at this code 3 different times
to try to make sure I didn't have a thinko. And strangely sparse didn't
catch this locking bug (from cut-n-paste).
Anyway, thanks... I'll see if I can get this to Linus ASAP.
Mike
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