From nobody Wed Dec 17 17:58:21 2025 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 E9C7D19342B; Fri, 3 Jan 2025 17:44:16 +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=1735926257; cv=none; b=ruKrblyRvRhvGTmoFA0Yr0N8uOdnDvr5s4tu5KgaKSBeAfMTgJ/fh35eBBTQLvyWb/RUQjsWRtRCBeHYS9CPPEShTKo5wDetZO31XwY9RjFOrI8Yqd0YBvA0nGUzxHe+v0+SJWMTqdk7LzoqzDfW1yOOAUGiGOSh/ZmSGR2RaDo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735926257; c=relaxed/simple; bh=Qli68w9RR6OLGHO/urSk5Kw3GxzgWY+dpbdZAM29uik=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=BCwIRWYs8v/v120x/Qtb1BXlMpS1MWgCPytTDVKzUC3fF6Pc12eLyn40CLqVr9ewABPjXC2RmTAfZaYOSpw7THcE20WcGODTcbmu5gvIBFg7wbFY7H64tSatRnsYmGPGilQ5zWApMAkwEsnfHj4jNRVXH1IHUv5MY+P6fGaw8TI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JgU/JbFv; 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="JgU/JbFv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 43D48C4CECE; Fri, 3 Jan 2025 17:44:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1735926256; bh=Qli68w9RR6OLGHO/urSk5Kw3GxzgWY+dpbdZAM29uik=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JgU/JbFvqWQxRNZrwv2u3F+e81eK1EgkWJYkhOHqGLuj7+9iCsEdy8uz0/EUuv2no IDaP5sZ58eVF5W03tH3XdL0IA/sDRyGBeBeTprwsygO7K9AYfQdv3zJs8jfwS6yCzz Az07ONWHLy4u2Fl3svvpsN7qVGh3Nbb9GkmrSrCrNrByHVxlE6iRNLxFFVAvRQdJec ICTLWpnV+Fgj3ajHByMevRJKnExULKU1MfF/d3EgBupzZqtPZsxNNttxMTDzE0Ujik U5LUpgi07rIR8HyHfkT2HTBaLms/BaZDA6QIGEJFx3S2zIOYfqG9WvxbfjtSzMJZmJ qldWRQ/c7hwEQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 05/10] mm/damon/sysfs: use damon_call() for commit_schemes_quota_goals Date: Fri, 3 Jan 2025 09:43:55 -0800 Message-Id: <20250103174400.54890-6-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250103174400.54890-1-sj@kernel.org> References: <20250103174400.54890-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" DAMON sysfs interface uses damon_callback with its own synchronization facility to handle commit_schemes_quota_goals command. But damon_call() can support the use case without the additional synchronizations. Convert the code to use damon_call() instead. Signed-off-by: SeongJae Park --- mm/damon/sysfs.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 708c2ffdd620..7c2aa9830edc 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1307,9 +1307,9 @@ static int damon_sysfs_commit_input(struct damon_sysf= s_kdamond *kdamond) return err; } =20 -static int damon_sysfs_commit_schemes_quota_goals( - struct damon_sysfs_kdamond *sysfs_kdamond) +static int damon_sysfs_commit_schemes_quota_goals(void *data) { + struct damon_sysfs_kdamond *sysfs_kdamond =3D data; struct damon_ctx *ctx; struct damon_sysfs_context *sysfs_ctx; =20 @@ -1376,9 +1376,6 @@ static int damon_sysfs_cmd_request_callback(struct da= mon_ctx *c, bool active, goto out; err =3D damon_sysfs_commit_input(kdamond); break; - case DAMON_SYSFS_CMD_COMMIT_SCHEMES_QUOTA_GOALS: - err =3D damon_sysfs_commit_schemes_quota_goals(kdamond); - break; case DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_BYTES: total_bytes_only =3D true; fallthrough; @@ -1543,6 +1540,10 @@ static int damon_sysfs_handle_cmd(enum damon_sysfs_c= md cmd, return damon_sysfs_turn_damon_on(kdamond); case DAMON_SYSFS_CMD_OFF: return damon_sysfs_turn_damon_off(kdamond); + case DAMON_SYSFS_CMD_COMMIT_SCHEMES_QUOTA_GOALS: + return damon_sysfs_damon_call( + damon_sysfs_commit_schemes_quota_goals, + kdamond); case DAMON_SYSFS_CMD_UPDATE_SCHEMES_STATS: return damon_sysfs_damon_call( damon_sysfs_upd_schemes_stats, kdamond); --=20 2.39.5