From: Jaegeuk Kim Date: Thu, 20 Dec 2012 06:10:06 +0000 (+0900) Subject: f2fs: invalidate the node page if allocation is failed X-Git-Tag: v3.8-rc3~26^2~10 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71e9fec548a95b2a4cf378646addd5d3098684a2;p=pandora-kernel.git f2fs: invalidate the node page if allocation is failed The new_node_page() is processed as the following procedure. 1. A new node page is allocated. 2. Set PageUptodate with proper footer information. 3. Check if there is a free space for allocation 4.a. If there is no space, f2fs returns with -ENOSPC. 4.b. Otherwise, go next. In the case of step #4.a, f2fs remains a wrong node page in the page cache with the uptodate flag. Also, even though a new node page is allocated successfully, an error can be occurred afterwards due to allocation failure of the other data structures. In such a case, remove_inode_page() would be triggered, so that we have to clear uptodate flag in truncate_node() too. So, we should remove the uptodate flag, if allocation is failed. Signed-off-by: Jaegeuk Kim --- Reading git-diff-tree failed