linux-kernel - [PATCH 1/2] btrfs: convert to spinlock guards in btrfs_update_ioctl_balance

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Message-Id: <20250409125724.145597-1-frank.li@vivo.com>
Date: Wed,  9 Apr 2025 06:57:22 -0600
From: Yangtao Li <frank.li@...o.com>
To: clm@...com,
	josef@...icpanda.com,
	dsterba@...e.com
Cc: linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Yangtao Li <frank.li@...o.com>
Subject: [PATCH 1/2] btrfs: convert to spinlock guards in btrfs_update_ioctl_balance_args()

To simplify handling, use the guard helper to let the compiler care for
unlocking.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 fs/btrfs/ioctl.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 63aeacc54945..7cec105a4cb0 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3438,9 +3438,8 @@ void btrfs_update_ioctl_balance_args(struct btrfs_fs_info *fs_info,
 	memcpy(&bargs->meta, &bctl->meta, sizeof(bargs->meta));
 	memcpy(&bargs->sys, &bctl->sys, sizeof(bargs->sys));
 
-	spin_lock(&fs_info->balance_lock);
+	guard(spinlock)(&fs_info->balance_lock);
 	memcpy(&bargs->stat, &bctl->stat, sizeof(bargs->stat));
-	spin_unlock(&fs_info->balance_lock);
 }
 
 /*
-- 
2.39.0