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/linux-4.4.14/fs/
Daio.c99 unsigned req_batch; member
748 ctx->req_batch = (ctx->nr_events - 1) / (num_possible_cpus() * 4); in ioctx_alloc()
749 if (ctx->req_batch < 1) in ioctx_alloc()
750 ctx->req_batch = 1; in ioctx_alloc()
893 while (kcpu->reqs_available >= ctx->req_batch * 2) { in put_reqs_available()
894 kcpu->reqs_available -= ctx->req_batch; in put_reqs_available()
895 atomic_add(ctx->req_batch, &ctx->reqs_available); in put_reqs_available()
913 if (avail < ctx->req_batch) in get_reqs_available()
918 avail, avail - ctx->req_batch); in get_reqs_available()
921 kcpu->reqs_available += ctx->req_batch; in get_reqs_available()