summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--io_uring/io_uring.c5
-rw-r--r--io_uring/opdef.c1
-rw-r--r--io_uring/uring_cmd.c20
-rw-r--r--io_uring/uring_cmd.h5
4 files changed, 28 insertions, 3 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 5eb9be063a7c..e1128b9551aa 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -289,7 +289,7 @@ static void io_free_alloc_caches(struct io_ring_ctx *ctx)
io_alloc_cache_free(&ctx->apoll_cache, kfree);
io_alloc_cache_free(&ctx->netmsg_cache, io_netmsg_cache_free);
io_alloc_cache_free(&ctx->rw_cache, io_rw_cache_free);
- io_alloc_cache_free(&ctx->cmd_cache, kfree);
+ io_alloc_cache_free(&ctx->cmd_cache, io_cmd_cache_free);
io_alloc_cache_free(&ctx->msg_cache, kfree);
io_futex_cache_free(ctx);
io_rsrc_cache_free(ctx);
@@ -335,7 +335,8 @@ static __cold struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
sizeof(struct io_async_rw),
offsetof(struct io_async_rw, clear));
ret |= io_alloc_cache_init(&ctx->cmd_cache, IO_ALLOC_CACHE_MAX,
- sizeof(struct io_async_cmd), 0);
+ sizeof(struct io_async_cmd),
+ sizeof(struct io_async_cmd));
spin_lock_init(&ctx->msg_lock);
ret |= io_alloc_cache_init(&ctx->msg_cache, IO_ALLOC_CACHE_MAX,
sizeof(struct io_kiocb), 0);
diff --git a/io_uring/opdef.c b/io_uring/opdef.c
index e4aa61a414fb..489384c0438b 100644
--- a/io_uring/opdef.c
+++ b/io_uring/opdef.c
@@ -755,6 +755,7 @@ const struct io_cold_def io_cold_defs[] = {
},
[IORING_OP_URING_CMD] = {
.name = "URING_CMD",
+ .cleanup = io_uring_cmd_cleanup,
},
[IORING_OP_SEND_ZC] = {
.name = "SEND_ZC",
diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c
index 7c126ee497ea..6a21cdaaf495 100644
--- a/io_uring/uring_cmd.c
+++ b/io_uring/uring_cmd.c
@@ -16,6 +16,14 @@
#include "rsrc.h"
#include "uring_cmd.h"
+void io_cmd_cache_free(const void *entry)
+{
+ struct io_async_cmd *ac = (struct io_async_cmd *)entry;
+
+ io_vec_free(&ac->vec);
+ kfree(ac);
+}
+
static void io_req_uring_cleanup(struct io_kiocb *req, unsigned int issue_flags)
{
struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req, struct io_uring_cmd);
@@ -29,13 +37,23 @@ static void io_req_uring_cleanup(struct io_kiocb *req, unsigned int issue_flags)
if (issue_flags & IO_URING_F_UNLOCKED)
return;
+
+ io_alloc_cache_vec_kasan(&ac->vec);
+ if (ac->vec.nr > IO_VEC_CACHE_SOFT_CAP)
+ io_vec_free(&ac->vec);
+
if (io_alloc_cache_put(&req->ctx->cmd_cache, cache)) {
ioucmd->sqe = NULL;
req->async_data = NULL;
- req->flags &= ~REQ_F_ASYNC_DATA;
+ req->flags &= ~(REQ_F_ASYNC_DATA|REQ_F_NEED_CLEANUP);
}
}
+void io_uring_cmd_cleanup(struct io_kiocb *req)
+{
+ io_req_uring_cleanup(req, 0);
+}
+
bool io_uring_try_cancel_uring_cmd(struct io_ring_ctx *ctx,
struct io_uring_task *tctx, bool cancel_all)
{
diff --git a/io_uring/uring_cmd.h b/io_uring/uring_cmd.h
index 2ec3a8785534..b45ec7cffcd1 100644
--- a/io_uring/uring_cmd.h
+++ b/io_uring/uring_cmd.h
@@ -1,13 +1,18 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/io_uring/cmd.h>
+#include <linux/io_uring_types.h>
struct io_async_cmd {
struct io_uring_cmd_data data;
+ struct iou_vec vec;
};
int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags);
int io_uring_cmd_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
+void io_uring_cmd_cleanup(struct io_kiocb *req);
bool io_uring_try_cancel_uring_cmd(struct io_ring_ctx *ctx,
struct io_uring_task *tctx, bool cancel_all);
+
+void io_cmd_cache_free(const void *entry);