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(parent: 4f266f2) | patch
block: blk_mq_rq_ctx_init cache ctx/q/hctx
authorPavel Begunkov <asml.silence@gmail.com>
Mon, 18 Oct 2021 20:37:28 +0000 (21:37 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 18 Oct 2021 20:38:43 +0000 (14:38 -0600)
commit605f784e4f5faecf6c78070c6bf446e920104f9f
treee77af8a4e1ee350a3a05be6f1075c1e05eab8f48tree | snapshot
parent4f266f2be822eacd70aca2a7a53c4a111be79acbcommit | diff
block: blk_mq_rq_ctx_init cache ctx/q/hctx

We should have enough of registers in blk_mq_rq_ctx_init(), store them
in local vars, so we don't keep reloading them.

note: keeping q->elevator may look unnecessary, but it's also used
inside inlined blk_mq_tags_from_data().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-mq.c diff | blob | history
Domain: System / Kernel;