From: "Darrick J. Wong" Subject: [PATCH 43/74] libext2fs: don't update the summary counts when doing implied cluster allocation Date: Tue, 10 Dec 2013 17:23:06 -0800 Message-ID: <20131211012306.30655.51172.stgit@birch.djwong.org> References: <20131211011813.30655.39624.stgit@birch.djwong.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: linux-ext4@vger.kernel.org, Zheng Liu To: tytso@mit.edu, darrick.wong@oracle.com Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:26957 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751476Ab3LKBXO (ORCPT ); Tue, 10 Dec 2013 20:23:14 -0500 In-Reply-To: <20131211011813.30655.39624.stgit@birch.djwong.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: When we're appending a block to a directory file or the journal file, and the new block is part of a cluster that has already been allocated to the file (implied cluster allocation), don't update the bitmap or the summary counts because that was performed when the cluster was allocated. Reviewed-by: Zheng Liu Signed-off-by: Darrick J. Wong --- lib/ext2fs/expanddir.c | 2 +- lib/ext2fs/mkjournal.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/ext2fs/expanddir.c b/lib/ext2fs/expanddir.c index 22558d6..09a15fa 100644 --- a/lib/ext2fs/expanddir.c +++ b/lib/ext2fs/expanddir.c @@ -55,6 +55,7 @@ static int expand_dir_proc(ext2_filsys fs, return BLOCK_ABORT; } es->newblocks++; + ext2fs_block_alloc_stats2(fs, new_blk, +1); } if (blockcnt > 0) { retval = ext2fs_new_dir_block(fs, 0, 0, &block); @@ -82,7 +83,6 @@ static int expand_dir_proc(ext2_filsys fs, } ext2fs_free_mem(&block); *blocknr = new_blk; - ext2fs_block_alloc_stats2(fs, new_blk, +1); if (es->done) return (BLOCK_CHANGED | BLOCK_ABORT); diff --git a/lib/ext2fs/mkjournal.c b/lib/ext2fs/mkjournal.c index 69ac135..d09c458 100644 --- a/lib/ext2fs/mkjournal.c +++ b/lib/ext2fs/mkjournal.c @@ -250,6 +250,7 @@ static int mkjournal_proc(ext2_filsys fs, es->err = retval; return BLOCK_ABORT; } + ext2fs_block_alloc_stats2(fs, new_blk, +1); es->newblocks++; } if (blockcnt >= 0) @@ -285,7 +286,6 @@ static int mkjournal_proc(ext2_filsys fs, return BLOCK_ABORT; } *blocknr = es->goal = new_blk; - ext2fs_block_alloc_stats2(fs, new_blk, +1); if (es->num_blocks == 0) return (BLOCK_CHANGED | BLOCK_ABORT);