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authorPavel Begunkov <asml.silence@gmail.com>2021-02-01 18:59:55 +0000
committerJens Axboe <axboe@kernel.dk>2021-02-01 13:09:21 -0700
commitce3d5aae331fa0eb1e88199e0380f517ed0c58f6 (patch)
tree3f60f9a0cad14e932e0701b23267f47ca1281b7e /fs/io_uring.c
parente86d004729ae9ce7d16ff3fad3708e1601eec0d2 (diff)
downloadlwn-ce3d5aae331fa0eb1e88199e0380f517ed0c58f6.tar.gz
lwn-ce3d5aae331fa0eb1e88199e0380f517ed0c58f6.zip
io_uring: deduplicate adding to REQ_F_INFLIGHT
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>
Diffstat (limited to 'fs/io_uring.c')
-rw-r--r--fs/io_uring.c36
1 files changed, 17 insertions, 19 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 9b1f919b05c9..77878274fcb1 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -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;
}