From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 644CD2F2600; Tue, 4 Nov 2025 12:12:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762258365; cv=none; b=TkvxpF9/N3uAlcvPXbeB1SIRoXXj7zIHBp4PV7o0e7pwA6rL/UQY4IQ93PjHcx+fXU7VEGpNmBSJdZgHANjisvpAwUzwQ+nKb7/2KCu467NYI7UyHaySgJhs7xsVHukp1ddLrIBQhhleOlXCwBEGSQwxz/kTLudRikiiroCpwOg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762258365; c=relaxed/simple; bh=uM9WNYPv+qz+o9aMxxxqoxpw66MMshPQdqYJ1k1NrtU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=EBXHSjHpCagJHoTX9a/JciWm33bs8yN2ZVWqZwrtRr9olrauxDmKnVbNmSXAF06wQJNXqZkst0I394R20KYcQ7HFQAdqdFWh3uHzKeuC6tXlFeO6rY6A2qgHFGDJmVFvYpXwRWyqNyebhBzH69V6knCz0RBkduUBk4f5ICS63MQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OQcDwvG0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OQcDwvG0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 633C5C4CEF7; Tue, 4 Nov 2025 12:12:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762258365; bh=uM9WNYPv+qz+o9aMxxxqoxpw66MMshPQdqYJ1k1NrtU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=OQcDwvG0JObVxfkWJqKAi6U1sxL63ETLtfFxx7G5SZKTOejF6J2i9huIqASS3nuD/ KXwvV7S13PsAxoQy4FZgue4NrCtDmyWa0kUxeJSiEMwyA48+gV/8eO5TNYlEuVyz0d Xd0rzjYHtomosk/lXQkmvjcUMsdMBtBNatBLVTTzXOInjm+eZAKGtIFojd3TWmOMBJ CP+m4W6nTJGK7cOzH67QFEKUv75AuiOpTG9FyohM+0wa6Q/65ARRYM4IjMXP+feJ0r cxKyi+CXgJgGO21ynGxtoX2FyG7KWXcprH84RsG6XziAt4RSBNqs/ZkW7PKayuszw4 CFCDSZ/5f3vpw== From: Christian Brauner Date: Tue, 04 Nov 2025 13:12:32 +0100 Subject: [PATCH RFC 3/8] btrfs: use super write guard btrfs_run_defrag_inode() Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251104-work-guards-v1-3-5108ac78a171@kernel.org> References: <20251104-work-guards-v1-0-5108ac78a171@kernel.org> In-Reply-To: <20251104-work-guards-v1-0-5108ac78a171@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Alexander Viro , Jan Kara , linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, Christian Brauner X-Mailer: b4 0.15-dev-a6db3 X-Developer-Signature: v=1; a=openpgp-sha256; l=828; i=brauner@kernel.org; h=from:subject:message-id; bh=uM9WNYPv+qz+o9aMxxxqoxpw66MMshPQdqYJ1k1NrtU=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWRyvt0iP9l4W9jaU79rdKZb3Czvlpq19PcpTo2qW7O4b /DwbpNZ3VHKwiDGxSArpsji0G4SLrecp2KzUaYGzBxWJpAhDFycAjCRVRIM/5SnnXAurZ3SW3z5 UuyW68tvWVp0J5xwO3n88M/TRm5JebsZ/hlaC8z5MFVj6hRr4TmO65z0jvRVn7/zuivN89y+vSm iV5gB X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Signed-off-by: Christian Brauner --- fs/btrfs/defrag.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/defrag.c b/fs/btrfs/defrag.c index 7b277934f66f..35fb8ee164dc 100644 --- a/fs/btrfs/defrag.c +++ b/fs/btrfs/defrag.c @@ -254,10 +254,9 @@ static int btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info, range.extent_thresh = defrag->extent_thresh; file_ra_state_init(ra, inode->vfs_inode.i_mapping); - sb_start_write(fs_info->sb); - ret = btrfs_defrag_file(inode, ra, &range, defrag->transid, - BTRFS_DEFRAG_BATCH); - sb_end_write(fs_info->sb); + scoped_guard(super_write, fs_info->sb) + ret = btrfs_defrag_file(inode, ra, &range, + defrag->transid, BTRFS_DEFRAG_BATCH); iput(&inode->vfs_inode); if (ret < 0) -- 2.47.3