system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-07-05 18:00:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

io_uring/net: get rid of io_notif_complete_tw_ext

Browse Source 
io_notif_complete_tw_ext() can be removed and combined with
io_notif_complete_tw to make it simpler without sacrificing
anything.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/025a124a5e20e2474a57e2f04f16c422eb83063c.1712534031.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2024-04-08 00:54:56 +01:00 committed by Jens Axboe
parent 998632921d
commit 6b7f864bb7
3 changed files with 14 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
io_uring/net.c
View File

@ -1018,8 +1018,11 @@ int io_send_zc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
if (zc->flags & ~IO_ZC_FLAGS_VALID)
return -EINVAL;
if (zc->flags & IORING_SEND_ZC_REPORT_USAGE) {
io_notif_set_extended(notif);
io_notif_to_data(notif)->zc_report = true;
struct io_notif_data *nd = io_notif_to_data(notif);
nd->zc_report = true;
nd->zc_used = false;
nd->zc_copied = false;
}
}
@ -1128,7 +1131,6 @@ static int io_send_zc_import(struct io_kiocb *req, struct io_async_msghdr *kmsg)
return ret;
kmsg->msg.sg_from_iter = io_sg_from_iter;
} else {
io_notif_set_extended(sr->notif);
ret = import_ubuf(ITER_SOURCE, sr->buf, sr->len, &kmsg->msg.msg_iter);
if (unlikely(ret))
return ret;
@ -1217,8 +1219,6 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags)
unsigned flags;
int ret, min_ret = 0;
io_notif_set_extended(sr->notif);
sock = sock_from_file(req->file);
if (unlikely(!sock))
return -ENOTSOCK;

18
io_uring/notif.c
View File

@ -9,12 +9,12 @@
#include "notif.h"
#include "rsrc.h"
static void io_notif_complete_tw_ext(struct io_kiocb *notif, struct io_tw_state *ts)
void io_notif_tw_complete(struct io_kiocb *notif, struct io_tw_state *ts)
{
struct io_notif_data *nd = io_notif_to_data(notif);
struct io_ring_ctx *ctx = notif->ctx;
if (nd->zc_report && (nd->zc_copied || !nd->zc_used))
if (unlikely(nd->zc_report) && (nd->zc_copied || !nd->zc_used))
notif->cqe.res |= IORING_NOTIF_USAGE_ZC_COPIED;
if (nd->account_pages && ctx->user) {
@ -37,17 +37,10 @@ static void io_tx_ubuf_callback(struct sk_buff *skb, struct ubuf_info *uarg,
WRITE_ONCE(nd->zc_copied, true);
}
if (refcount_dec_and_test(&uarg->refcnt))
if (refcount_dec_and_test(&uarg->refcnt)) {
notif->io_task_work.func = io_notif_tw_complete;
__io_req_task_work_add(notif, IOU_F_TWQ_LAZY_WAKE);
}
void io_notif_set_extended(struct io_kiocb *notif)
{
struct io_notif_data *nd = io_notif_to_data(notif);
nd->zc_used = false;
nd->zc_copied = false;
notif->io_task_work.func = io_notif_complete_tw_ext;
}
}
struct io_kiocb *io_alloc_notif(struct io_ring_ctx *ctx)
@ -64,7 +57,6 @@ struct io_kiocb *io_alloc_notif(struct io_ring_ctx *ctx)
notif->task = current;
io_get_task_refs(1);
notif->rsrc_node = NULL;
notif->io_task_work.func = io_req_task_complete;
nd = io_notif_to_data(notif);
nd->zc_report = false;

6
io_uring/notif.h
View File

@ -20,7 +20,7 @@ struct io_notif_data {
};
struct io_kiocb *io_alloc_notif(struct io_ring_ctx *ctx);
void io_notif_set_extended(struct io_kiocb *notif);
void io_notif_tw_complete(struct io_kiocb *notif, struct io_tw_state *ts);
static inline struct io_notif_data *io_notif_to_data(struct io_kiocb *notif)
{
@ -33,8 +33,10 @@ static inline void io_notif_flush(struct io_kiocb *notif)
struct io_notif_data *nd = io_notif_to_data(notif);
/* drop slot's master ref */
if (refcount_dec_and_test(&nd->uarg.refcnt))
if (refcount_dec_and_test(&nd->uarg.refcnt)) {
notif->io_task_work.func = io_notif_tw_complete;
__io_req_task_work_add(notif, IOU_F_TWQ_LAZY_WAKE);
}
}
static inline int io_notif_account_mem(struct io_kiocb *notif, unsigned len)