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 5FD0A611B for ; Sun, 28 May 2023 19:41:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3B47C433D2; Sun, 28 May 2023 19:40:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1685302860; bh=w9VxPysiKMrYdqxAYVz6j4YUhLGK9dxWfb0tP/gY1rg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B2dlZXsxsGrfU8wX+29i+WeQo10lI60Sj0s59XtNOyS9mKSGQTYZT6RoxK8vLCucx qcF7tFKhW85oJny7y/AxycRGzUNdcGAvY6xkOSTkD10tZywJlw4u9bzaGxLfW/nuVQ gaLiYETzgq7myuVWexI4lT5SwyLC8U/dCoVh8EzI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kemeng Shi , Ojaswin Mujoo , Theodore Tso , Sasha Levin Subject: [PATCH 5.10 028/211] ext4: allow to find by goal if EXT4_MB_HINT_GOAL_ONLY is set Date: Sun, 28 May 2023 20:09:09 +0100 Message-Id: <20230528190844.218933536@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230528190843.514829708@linuxfoundation.org> References: <20230528190843.514829708@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Kemeng Shi [ Upstream commit 01e4ca29451760b9ac10b4cdc231c52150842643 ] If EXT4_MB_HINT_GOAL_ONLY is set, ext4_mb_regular_allocator will only allocate blocks from ext4_mb_find_by_goal. Allow to find by goal in ext4_mb_find_by_goal if EXT4_MB_HINT_GOAL_ONLY is set or allocation with EXT4_MB_HINT_GOAL_ONLY set will always fail. EXT4_MB_HINT_GOAL_ONLY is not used at all, so the problem is not found for now. Signed-off-by: Kemeng Shi Reviewed-by: Ojaswin Mujoo Link: https://lore.kernel.org/r/20230303172120.3800725-3-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o Stable-dep-of: 5354b2af3406 ("ext4: allow ext4_get_group_info() to fail") Signed-off-by: Sasha Levin --- fs/ext4/mballoc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index aa51d1b837274..84d74ba02b378 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -1864,7 +1864,7 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac, struct ext4_group_info *grp = ext4_get_group_info(ac->ac_sb, group); struct ext4_free_extent ex; - if (!(ac->ac_flags & EXT4_MB_HINT_TRY_GOAL)) + if (!(ac->ac_flags & (EXT4_MB_HINT_TRY_GOAL | EXT4_MB_HINT_GOAL_ONLY))) return 0; if (grp->bb_free == 0) return 0; -- 2.39.2