linux-ext4 - [PATCH RFC 8/8] xfs: use super write guard in xfs_file

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Message-Id: <20251104-work-guards-v1-8-5108ac78a171@kernel.org>
Date: Tue, 04 Nov 2025 13:12:37 +0100
From: Christian Brauner <brauner@...nel.org>
To: linux-fsdevel@...r.kernel.org
Cc: Alexander Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>, 
 linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org, 
 linux-xfs@...r.kernel.org, Christian Brauner <brauner@...nel.org>
Subject: [PATCH RFC 8/8] xfs: use super write guard in xfs_file_ioctl()

Signed-off-by: Christian Brauner <brauner@...nel.org>
---
 fs/xfs/xfs_ioctl.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index a6bb7ee7a27a..f72e96f54cb5 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1408,10 +1408,8 @@ xfs_file_ioctl(
 
 		trace_xfs_ioc_free_eofblocks(mp, &icw, _RET_IP_);
 
-		sb_start_write(mp->m_super);
-		error = xfs_blockgc_free_space(mp, &icw);
-		sb_end_write(mp->m_super);
-		return error;
+		scoped_guard(super_write, mp->m_super)
+			return xfs_blockgc_free_space(mp, &icw);
 	}
 
 	case XFS_IOC_EXCHANGE_RANGE:

-- 
2.47.3