[PATCH io_uring-7.2 2/3] io_uring/zcrx: rename ZCRX_NOTIF_NO_BUFFERS

ZCRX_NOTIF_NO_BUFFERS tells when page pool fails to allocate memory from
zcrx. "No buffers" could be more confusing, rename it to
ZCRX_NOTIF_ALLOC_FAIL.

Signed-off-by: Pavel Begunkov <[email protected]>
---
 include/uapi/linux/io_uring/zcrx.h | 2 +-
 io_uring/zcrx.c                    | 2 +-
 io_uring/zcrx.h                    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/uapi/linux/io_uring/zcrx.h b/include/uapi/linux/io_uring/zcrx.h
index 99e56ec26ead..abb898d59a4b 100644
--- a/include/uapi/linux/io_uring/zcrx.h
+++ b/include/uapi/linux/io_uring/zcrx.h
@@ -69,7 +69,7 @@ enum zcrx_features {
 };
 
 enum zcrx_notification_type {
-	ZCRX_NOTIF_NO_BUFFERS,
+	ZCRX_NOTIF_ALLOC_FAIL,
 	ZCRX_NOTIF_COPY,
 
 	__ZCRX_NOTIF_TYPE_LAST,
diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index 53dcb5110719..872d5794d3de 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -1244,7 +1244,7 @@ static netmem_ref io_pp_zc_alloc_netmems(struct page_pool *pp, gfp_t gfp)
 
 	allocated = io_zcrx_refill_slow(pp, ifq, netmems, to_alloc);
 	if (!allocated) {
-		zcrx_send_notif(ifq, ZCRX_NOTIF_NO_BUFFERS);
+		zcrx_send_notif(ifq, ZCRX_NOTIF_ALLOC_FAIL);
 		return 0;
 	}
 out_return:
diff --git a/io_uring/zcrx.h b/io_uring/zcrx.h
index a8d301b6191f..d16206eb9e30 100644
--- a/io_uring/zcrx.h
+++ b/io_uring/zcrx.h
@@ -11,7 +11,7 @@
 #define ZCRX_SUPPORTED_REG_FLAGS	(ZCRX_REG_IMPORT | ZCRX_REG_NODEV)
 #define ZCRX_FEATURES			(ZCRX_FEATURE_RX_PAGE_SIZE |\
 					 ZCRX_FEATURE_NOTIFICATION)
-#define ZCRX_NOTIF_TYPE_MASK		((1U << ZCRX_NOTIF_NO_BUFFERS) | (1U << ZCRX_NOTIF_COPY))
+#define ZCRX_NOTIF_TYPE_MASK		((1U << ZCRX_NOTIF_ALLOC_FAIL) | (1U << ZCRX_NOTIF_COPY))
 
 struct io_zcrx_mem {
 	unsigned long			size;
-- 
2.54.0