From: Jens Axboe <axboe@kernel.dk>
Date: Thu, 8 Aug 2024 18:54:55 +0000 (-0600)
Subject: io_uring/kbuf: shrink nr_iovs/mode in struct buf_sel_arg
X-Git-Tag: v6.12-rc1~205^2~18
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=120443321dfaaab8eb9290af617abcc37734c1e2;p=thirdparty%2Fkernel%2Flinux.git

io_uring/kbuf: shrink nr_iovs/mode in struct buf_sel_arg

nr_iovs is capped at 1024, and mode only has a few low values. We can
safely make them u16, in preparation for adding a few more members.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h
index 2ed141d7662e1..ab30aa13fb5ee 100644
--- a/io_uring/kbuf.h
+++ b/io_uring/kbuf.h
@@ -56,8 +56,8 @@ struct buf_sel_arg {
 	struct iovec *iovs;
 	size_t out_len;
 	size_t max_len;
-	int nr_iovs;
-	int mode;
+	unsigned short nr_iovs;
+	unsigned short mode;
 };
 
 void __user *io_buffer_select(struct io_kiocb *req, size_t *len,