From 363041a5f74b953ab6b705ac9c88e5eda218a24b Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Wed, 17 Jan 2007 12:31:35 -0800 Subject: ocfs2: temporarily remove extent map caching The code in extent_map.c is not prepared to deal with a subtree being rotated between lookups. This can happen when filling holes in sparse files. Instead of a lengthy patch to update the code (which would likely lose the benefit of caching subtree roots), we remove most of the algorithms and implement a simple path based lookup. A less ambitious extent caching scheme will be added in a later patch. Signed-off-by: Mark Fasheh --- fs/ocfs2/inode.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'fs/ocfs2/inode.c') diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 08d57a3d4e8..5ff8549eb1a 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -1003,9 +1003,6 @@ void ocfs2_clear_inode(struct inode *inode) "Clear inode of %llu, inode has io markers\n", (unsigned long long)oi->ip_blkno); - ocfs2_extent_map_drop(inode, 0); - ocfs2_extent_map_init(inode); - status = ocfs2_drop_inode_locks(inode); if (status < 0) mlog_errno(status); @@ -1102,8 +1099,7 @@ struct buffer_head *ocfs2_bread(struct inode *inode, return NULL; } - tmperr = ocfs2_extent_map_get_blocks(inode, block, 1, - &p_blkno, NULL); + tmperr = ocfs2_extent_map_get_blocks(inode, block, &p_blkno, NULL); if (tmperr < 0) { mlog_errno(tmperr); goto fail; -- cgit v1.2.3