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| author |   Pavel Begunkov <asml.silence@gmail.com> | 2021-10-23 17:21:32 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-10-25 08:00:48 -0600 |
| commit | 54a88eb838d37af930c9f19e1930a4fba6789cb5 (patch) | |
| tree | 35259bb17db8f95bb081964e38501bbe6d1731ea /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | sched: make task_struct->plug always defined (diff) | |
| download | linux-dev-54a88eb838d37af930c9f19e1930a4fba6789cb5.tar.xz linux-dev-54a88eb838d37af930c9f19e1930a4fba6789cb5.zip | |
block: add single bio async direct IO helper
As with __blkdev_direct_IO_simple(), we can implement direct IO more
efficiently if there is only one bio. Add __blkdev_direct_IO_async() and
blkdev_bio_end_io_async(). This patch brings me from 4.45-4.5 MIOPS with
nullblk to 4.7+.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/f0ae4109b7a6934adede490f84d188d53b97051b.1635006010.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions