From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757606AbXHNKRR (ORCPT ); Tue, 14 Aug 2007 06:17:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757085AbXHNKK5 (ORCPT ); Tue, 14 Aug 2007 06:10:57 -0400 Received: from mx1.redhat.com ([66.187.233.31]:43361 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756223AbXHNKKw (ORCPT ); Tue, 14 Aug 2007 06:10:52 -0400 From: swhiteho@redhat.com To: linux-kernel@vger.kernel.org, cluster-devel@redhat.com Cc: Steven Whitehouse Subject: [PATCH] [GFS2] Fix incorrect return code in rgrp.c Date: Tue, 14 Aug 2007 10:47:13 +0100 Message-Id: <11870848572998-git-send-email-swhiteho@redhat.com> X-Mailer: git-send-email 1.5.1.2 In-Reply-To: <11870848365-git-send-email-swhiteho@redhat.com> References: <11870848365-git-send-email-swhiteho@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Steven Whitehouse The following patch fixes a bug where 0 was being used as a return code to indicate "nothing to do" when in fact 0 was a valid block location which might be returned by the function. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index bb58e69..ce48c45 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -867,7 +867,7 @@ static struct inode *try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked) break; goal = rgblk_search(rgd, goal, GFS2_BLKST_UNLINKED, GFS2_BLKST_UNLINKED); - if (goal == 0) + if (goal == BFITNOENT) break; no_addr = goal + rgd->rd_data0; goal++; @@ -1316,7 +1316,7 @@ static u32 rgblk_search(struct gfs2_rgrpd *rgd, u32 goal, bi->bi_len, blk, new_state); } - return (blk == BFITNOENT) ? 0 : (bi->bi_start * GFS2_NBBY) + blk; + return (blk == BFITNOENT) ? blk : (bi->bi_start * GFS2_NBBY) + blk; } /** @@ -1396,6 +1396,7 @@ u64 gfs2_alloc_data(struct gfs2_inode *ip) goal = rgd->rd_last_alloc_data; blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, GFS2_BLKST_USED); + BUG_ON(blk == BFITNOENT); rgd->rd_last_alloc_data = blk; block = rgd->rd_data0 + blk; @@ -1440,6 +1441,7 @@ u64 gfs2_alloc_meta(struct gfs2_inode *ip) goal = rgd->rd_last_alloc_meta; blk = rgblk_search(rgd, goal, GFS2_BLKST_FREE, GFS2_BLKST_USED); + BUG_ON(blk == BFITNOENT); rgd->rd_last_alloc_meta = blk; block = rgd->rd_data0 + blk; @@ -1481,6 +1483,7 @@ u64 gfs2_alloc_di(struct gfs2_inode *dip, u64 *generation) blk = rgblk_search(rgd, rgd->rd_last_alloc_meta, GFS2_BLKST_FREE, GFS2_BLKST_DINODE); + BUG_ON(blk == BFITNOENT); rgd->rd_last_alloc_meta = blk; -- 1.5.1.2