From 39b5637f6f195852259004bb27b58e2dcf9fb378 Mon Sep 17 00:00:00 2001 From: Yan Date: Fri, 15 Feb 2008 10:40:50 -0500 Subject: [PATCH] Btrfs: Fix "no csum found for inode" issue. A few codes were not properly updated for changes of extent map. This may be the causes of "no csum found for inode" issue. Signed-off-by: Chris Mason --- fs/btrfs/extent_io.c | 5 +++-- fs/btrfs/file.c | 5 ++++- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index fcae999..9262ab3 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2417,12 +2417,13 @@ int try_release_extent_mapping(struct extent_map_tree *map, u64 end = start + PAGE_CACHE_SIZE - 1; u64 orig_start = start; int ret = 1; - if ((mask & __GFP_WAIT) && page->mapping->host->i_size > 16 * 1024 * 1024) { + u64 len; while (start <= end) { + len = end - start + 1; spin_lock(&map->lock); - em = lookup_extent_mapping(map, start, end); + em = lookup_extent_mapping(map, start, len); if (!em || IS_ERR(em)) { spin_unlock(&map->lock); break; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index f893960..b0352b5 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -357,10 +357,13 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end) { struct extent_map *em; struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree; + u64 len = end - start + 1; + if (end == (u64)-1) + len = (u64)-1; while(1) { spin_lock(&em_tree->lock); - em = lookup_extent_mapping(em_tree, start, end); + em = lookup_extent_mapping(em_tree, start, len); if (!em) { spin_unlock(&em_tree->lock); break; -- 1.8.2.3