block: cleanup the memory stall accounting in submit_bio

Browse source

Instead of a convoluted chain just check for REQ_OP_READ directly,
and keep all the memory stall code together in a single unlikely
branch.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

...

This commit is contained in:

Christoph Hellwig 2020-04-28 13:27:54 +02:00 • committed by Jens Axboe

parent 3fdd40861d

commit 760f83ea63

1 changed files with 14 additions and 16 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

30

block/blk-core.c

View file