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io-wq: have io_wq_create() take a 'data' argument

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We currently pass in 4 arguments outside of the bounded size. In
preparation for adding one more argument, let's bundle them up in
a struct to make it more readable.

No functional changes in this patch.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2019-11-25 08:49:20 -07:00
parent 311ae9e159
commit 576a347b7a
3 changed files with 22 additions and 13 deletions
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9
fs/io_uring.c
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@@ -3962,6 +3962,7 @@ static void io_get_work(struct io_wq_work *work)
static int io_sq_offload_start(struct io_ring_ctx *ctx,
struct io_uring_params *p)
{
struct io_wq_data data;
unsigned concurrency;
int ret;
@@ -4006,10 +4007,14 @@ static int io_sq_offload_start(struct io_ring_ctx *ctx,
goto err;
}
data.mm = ctx->sqo_mm;
data.user = ctx->user;
data.get_work = io_get_work;
data.put_work = io_put_work;
/* Do QD, or 4 * CPUS, whatever is smallest */
concurrency = min(ctx->sq_entries, 4 * num_online_cpus());
ctx->io_wq = io_wq_create(concurrency, ctx->sqo_mm, ctx->user,
io_get_work, io_put_work);
ctx->io_wq = io_wq_create(concurrency, &data);
if (IS_ERR(ctx->io_wq)) {
ret = PTR_ERR(ctx->io_wq);
ctx->io_wq = NULL;