forked from luck/tmp_suning_uos_patched
f9cf2a6491
In testing target io in read write mix, we did indeed get into cases where sqhd didn't update properly and slowly missed enough updates to shutdown the queue. Protect the updating sqhd by using cmpxchg, and for that turn the sqhd field into a u32 so that cmpxchg works on it for all architectures. Signed-off-by: James Smart <james.smart@broadcom.com> Signed-off-by: Christoph Hellwig <hch@lst.de> |
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