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(parent: e522cab) | patch
io_uring: enable use of bio alloc cache
authorJens Axboe <axboe@kernel.dk>
Mon, 8 Mar 2021 18:40:23 +0000 (11:40 -0700)
committerJens Axboe <axboe@kernel.dk>
Mon, 23 Aug 2021 19:44:55 +0000 (13:44 -0600)
commit3b1f1b9ef0d8b1757cfc60cbe8e7ad6cedbdbc37
treefdceeeefee346bd281fd73a52d8cb615fa0034c4tree | snapshot
parente522cab81f4c99427051fb201ae77a45a3db2dffcommit | diff
io_uring: enable use of bio alloc cache

Mark polled IO as being safe for dipping into the bio allocation
cache, in case the targeted bio_set has it enabled.

This brings an IOPOLL gen2 Optane QD=128 workload from ~3.2M IOPS to
~3.5M IOPS.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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