On 11/01/2021 03:05, Ming Lei wrote: > Hello Jens, > > All are bioset / bvec improvement, and most of them are quite > straightforward. That's cool. As mentioned before, removing inline bvecs brings struct blkdev_dio from 3 cachelines to 2. And together with no-copy bvec we can do that shrinking for all bvec based requests. > > V3: > - share two line code via goto with one label, only patch 1 is > changed > > V2: > - patch style change, most is in patch 1 > - commit log change > > Ming Lei (6): > block: manage bio slab cache by xarray > block: don't pass BIOSET_NEED_BVECS for q->bio_split > block: don't allocate inline bvecs if this bioset needn't bvecs > block: set .bi_max_vecs as actual allocated vector number > block: move three bvec helpers declaration into private helper > bcache: don't pass BIOSET_NEED_BVECS for the 'bio_set' embedded in > 'cache_set' > > block/bio.c | 122 +++++++++++++++++--------------------- > block/blk-core.c | 2 +- > block/blk.h | 4 ++ > drivers/md/bcache/super.c | 2 +- > include/linux/bio.h | 4 +- > 5 files changed, 61 insertions(+), 73 deletions(-) > -- Pavel Begunkov
