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/linux-4.19.296/fs/
Daio.c104 unsigned req_batch; member
767 ctx->req_batch = (ctx->nr_events - 1) / (num_possible_cpus() * 4); in ioctx_alloc()
768 if (ctx->req_batch < 1) in ioctx_alloc()
769 ctx->req_batch = 1; in ioctx_alloc()
913 while (kcpu->reqs_available >= ctx->req_batch * 2) { in put_reqs_available()
914 kcpu->reqs_available -= ctx->req_batch; in put_reqs_available()
915 atomic_add(ctx->req_batch, &ctx->reqs_available); in put_reqs_available()
933 if (avail < ctx->req_batch) in __get_reqs_available()
938 avail, avail - ctx->req_batch); in __get_reqs_available()
941 kcpu->reqs_available += ctx->req_batch; in __get_reqs_available()