[PATCH] io-wq: expose IO_WQ_ACCT_* enumeration items to UAPI

From: Eugene Syromiatnikov
Date: Sun Sep 12 2021 - 08:24:26 EST


These are used to index aargument of IORING_REGISTER_IOWQ_MAX_WORKERS
io_uring_register command, so they are to be exposed in UAPI.

Signed-off-by: Eugene Syromiatnikov <esyr@xxxxxxxxxx>
---
fs/io-wq.c | 7 +------
include/uapi/linux/io_uring.h | 8 ++++++++
2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/fs/io-wq.c b/fs/io-wq.c
index 6c55362..5e7cd7c 100644
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -14,6 +14,7 @@
#include <linux/rculist_nulls.h>
#include <linux/cpu.h>
#include <linux/tracehook.h>
+#include <uapi/linux/io_uring.h>

#include "io-wq.h"

@@ -77,12 +78,6 @@ struct io_wqe_acct {
unsigned long flags;
};

-enum {
- IO_WQ_ACCT_BOUND,
- IO_WQ_ACCT_UNBOUND,
- IO_WQ_ACCT_NR,
-};
-
/*
* Per-node worker thread pool
*/
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 59ef351..d67a3cc 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -324,6 +324,14 @@ enum {
IORING_REGISTER_LAST
};

+/* io-wq worker limit categories */
+enum {
+ IO_WQ_ACCT_BOUND,
+ IO_WQ_ACCT_UNBOUND,
+
+ IO_WQ_ACCT_NR /* Non-UAPI */
+};
+
/* deprecated, see struct io_uring_rsrc_update */
struct io_uring_files_update {
__u32 offset;
--
2.1.4