On Fri, Sep 02, 2022 at 10:42:45AM -0600, Jens Axboe wrote:
This is useful for polled IO on a file, or for polled IO with the io_uring passthrough mechanism. If bio allocations are done with REQ_POLLED for those cases, then initializing the bio set with BIOSET_PERCPU_CACHE enables the local per-cpu cache which eliminates allocations (and frees) of bio structs when possible. Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Reviewed-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx>
