lkml.org 
[lkml]   [2021]   [Oct]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v2 0/3] on top of for-5.16/block
From
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

\
 
 \ /
  Last update: 2021-10-13 11:17    [W:0.139 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site