linux-kernel - linux-next: build failure after merge of the block tree

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Date:   Wed, 23 Sep 2020 14:34:22 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: linux-next: build failure after merge of the block tree

Hi all,

After merging the block tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

fs/io_uring.c: In function 'io_resubmit_prep':
fs/io_uring.c:2357:10: error: 'struct io_kiocb' has no member named 'io'
 2357 |  if (!req->io) {
      |          ^~

Caused by commit

  8f3d749685e4 ("io_uring: don't re-setup vecs/iter in io_resumit_prep() is already there")

from Linus' tree interacting with commit

  76c917267129 ("io_uring: get rid of req->io/io_async_ctx union")

from the block tree.

I added the following merge resolution:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Wed, 23 Sep 2020 14:30:01 +1000
Subject: [PATCH] fix up for "io_uring: get rid of req->io/io_async_ctx union"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 fs/io_uring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 5aefea5bb383..0a72f4eed845 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -2354,7 +2354,7 @@ static bool io_resubmit_prep(struct io_kiocb *req, int error)
 		goto end_req;
 	}
 
-	if (!req->io) {
+	if (!req->async_data) {
 		ret = io_import_iovec(rw, req, &iovec, &iter, false);
 		if (ret < 0)
 			goto end_req;
-- 
2.28.0

-- 
Cheers,
Stephen Rothwell

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