From: Hugh Dickins Subject: [PATCH 2/6] ext2 balloc: reset windowsz when full Date: Tue, 28 Nov 2006 17:40:50 +0000 (GMT) Message-ID: References: <20061114014125.dd315fff.akpm@osdl.org> <20061114184919.GA16020@skynet.ie> <20061114113120.d4c22b02.akpm@osdl.org> <20061115214534.72e6f2e8.akpm@osdl.org> <455C0B6F.7000201@us.ibm.com> <20061115232228.afaf42f2.akpm@osdl.org> <1163666960.4310.40.camel@localhost.localdomain> <20061116011351.1401a00f.akpm@osdl.org> <1163708116.3737.12.camel@dyn9047017103.beaverton.ibm.com> <20061116132724.1882b122.akpm@osdl.org> <1164073652.20900.34.camel@dyn9047017103.beaverton.ibm.com> <1164156193.3804.48.camel@dyn9047017103.beaverton.ibm.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Andrew Morton , Mel Gorman , "Martin J. Bligh" , linux-kernel@vger.kernel.org, "linux-ext4@vger.kernel.org" Return-path: Received: from balaton.wat.veritas.com([10.10.97.7]) (2421 bytes) by megami.veritas.com via sendmail with P:esmtp/R:smart_host/T:smtp (sender: ) id for ; Tue, 28 Nov 2006 09:40:29 -0800 (PST) (Smail-3.2.0.101 1997-Dec-17 #15 built 2001-Aug-30) To: Mingming Cao In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org ext2_new_blocks should reset the reservation window size to 0 when squeezing the last blocks out of an almost full filesystem, so the retry doesn't skip any groups with less than half that free, reporting ENOSPC too soon. Signed-off-by: Hugh Dickins --- fs/ext2/balloc.c | 1 + 1 file changed, 1 insertion(+) --- 2.6.19-rc6-mm2/fs/ext2/balloc.c 2006-11-24 08:18:02.000000000 +0000 +++ linux/fs/ext2/balloc.c 2006-11-27 19:28:41.000000000 +0000 @@ -1292,6 +1292,7 @@ retry_alloc: */ if (my_rsv) { my_rsv = NULL; + windowsz = 0; group_no = goal_group; goto retry_alloc; }