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Code Issues Releases Wiki Activity

io_uring: deduplicate adding to REQ_F_INFLIGHT

Browse source 
We don't know for how long REQ_F_INFLIGHT is going to stay, cleaner to
extract a helper for marking requests as so.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-02-01 18:59:55 +00:00 committed by Jens Axboe
parent e86d004729
commit ce3d5aae33
1 changed files with 17 additions and 19 deletions
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36
fs/io_uring.c
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@ -1460,11 +1460,24 @@ static bool io_identity_cow(struct io_kiocb *req)
return true;
}
static void io_req_track_inflight(struct io_kiocb *req)
{
struct io_ring_ctx *ctx = req->ctx;
if (!(req->flags & REQ_F_INFLIGHT)) {
io_req_init_async(req);
req->flags |= REQ_F_INFLIGHT;
spin_lock_irq(&ctx->inflight_lock);
list_add(&req->inflight_entry, &ctx->inflight_list);
spin_unlock_irq(&ctx->inflight_lock);
}
}
static bool io_grab_identity(struct io_kiocb *req)
{
const struct io_op_def *def = &io_op_defs[req->opcode];
struct io_identity *id = req->work.identity;
struct io_ring_ctx *ctx = req->ctx;
if (def->work_flags & IO_WQ_WORK_FSIZE) {
if (id->fsize != rlimit(RLIMIT_FSIZE))
@ -1520,15 +1533,8 @@ static bool io_grab_identity(struct io_kiocb *req)
return false;
atomic_inc(&id->files->count);
get_nsproxy(id->nsproxy);
if (!(req->flags & REQ_F_INFLIGHT)) {
req->flags |= REQ_F_INFLIGHT;
spin_lock_irq(&ctx->inflight_lock);
list_add(&req->inflight_entry, &ctx->inflight_list);
spin_unlock_irq(&ctx->inflight_lock);
}
req->work.flags |= IO_WQ_WORK_FILES;
io_req_track_inflight(req);
}
if (!(req->work.flags & IO_WQ_WORK_MM) &&
(def->work_flags & IO_WQ_WORK_MM)) {
@ -6443,16 +6449,8 @@ static struct file *io_file_get(struct io_submit_state *state,
file = __io_file_get(state, fd);
}
if (file && file->f_op == &io_uring_fops &&
!(req->flags & REQ_F_INFLIGHT)) {
io_req_init_async(req);
req->flags |= REQ_F_INFLIGHT;
spin_lock_irq(&ctx->inflight_lock);
list_add(&req->inflight_entry, &ctx->inflight_list);
spin_unlock_irq(&ctx->inflight_lock);
}
if (file && unlikely(file->f_op == &io_uring_fops))
io_req_track_inflight(req);
return file;
}