Messages in this thread | | | Date | Wed, 13 Oct 2021 10:15:37 +0100 | Subject | Re: [PATCH v2 0/3] on top of for-5.16/block | From | Pavel Begunkov <> |
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On 10/13/21 09:57, Pavel Begunkov wrote:
Bodged subject, should've been block optimisation or so.
> ./io_uring -d32 -s32 -c32 -b512 -p1 /dev/nullb0 > ~3.3 MIOPS vs 3.5 MIOPS, so gives around extra ~4-5%. > > The main part is caching struct block_device + some inlining. > > v2: without applied patches, merge previous 6/6 into the second patch > get rid of helpers (Jens, Christoph) > kill bdev_inode and move inode into bdev (Christoph) > > Pavel Begunkov (3): > block: cache bdev in struct file for raw bdev IO > block: don't hide inode from block_device users > blk-mq: optimise *end_request non-stat path > > block/bdev.c | 44 ++++++++++----------------------------- > block/blk-mq.c | 18 +++++++--------- > block/fops.c | 43 ++++++++++++++++---------------------- > include/linux/blk_types.h | 1 + > include/linux/blkdev.h | 8 +++++-- > 5 files changed, 44 insertions(+), 70 deletions(-) >
-- Pavel Begunkov
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