linux-ext4 - [RFCv3 09/10] iomap: Minor refactor of iomap_dio

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Date:   Thu, 13 Apr 2023 14:10:31 +0530
From:   "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
To:     linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org
Cc:     Jan Kara <jack@...e.cz>, Christoph Hellwig <hch@...radead.org>,
        "Darrick J . Wong" <djwong@...nel.org>,
        Ojaswin Mujoo <ojaswin@...ux.ibm.com>,
        Disha Goel <disgoel@...ux.ibm.com>,
        "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
Subject: [RFCv3 09/10] iomap: Minor refactor of iomap_dio_rw

The next patch brings in the tracepoint patch for iomap DIO functions.
This is a small refactor change for having a single out path.

Tested-by: Disha Goel <disgoel@...ux.ibm.com>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@...il.com>
---
 fs/iomap/direct-io.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 36ab1152dbea..5871956ee880 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -679,11 +679,16 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
 		unsigned int dio_flags, void *private, size_t done_before)
 {
 	struct iomap_dio *dio;
+	ssize_t ret = 0;
 
 	dio = __iomap_dio_rw(iocb, iter, ops, dops, dio_flags, private,
 			     done_before);
-	if (IS_ERR_OR_NULL(dio))
-		return PTR_ERR_OR_ZERO(dio);
-	return iomap_dio_complete(dio);
+	if (IS_ERR_OR_NULL(dio)) {
+		ret = PTR_ERR_OR_ZERO(dio);
+		goto out;
+	}
+	ret = iomap_dio_complete(dio);
+out:
+	return ret;
 }
 EXPORT_SYMBOL_GPL(iomap_dio_rw);
-- 
2.39.2