linux-kernel - [PATCH 3/3] xfs: don't call xfs_file_open from xfs_dir

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Date: Tue, 23 Apr 2024 14:46:08 +0200
From: Christoph Hellwig <hch@....de>
To: Christian Brauner <christian@...uner.io>,
	Chandan Babu R <chandan.babu@...cle.com>,
	"Darrick J. Wong" <djwong@...nel.org>
Cc: linux-xfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] xfs: don't call xfs_file_open from xfs_dir_open

Directories do not support direct I/O and thus no non-blocking direct
I/O either.  Open code the shutdown check and call to generic_file_open
instead.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 fs/xfs/xfs_file.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 4415d0f3bbc51b..2ce302b4885f53 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1243,7 +1243,9 @@ xfs_dir_open(
 	unsigned int	mode;
 	int		error;
 
-	error = xfs_file_open(inode, file);
+	if (xfs_is_shutdown(ip->i_mount))
+		return -EIO;
+	error = generic_file_open(inode, file);
 	if (error)
 		return error;
 
-- 
2.39.2