From 33958dc6d38fb4ca7e62273855fcb2db7e616263 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Wed, 30 Jul 2008 10:29:12 -0400 Subject: Btrfs: Fix verify_parent_transid It was incorrectly clearing the up to date flag on the buffer even when the buffer properly verified. Signed-off-by: Chris Mason --- fs/btrfs/extent_io.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'fs/btrfs/extent_io.c') diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index e3547a9..964ec16 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2647,6 +2647,8 @@ static inline struct page *extent_buffer_page(struct extent_buffer *eb, return eb->first_page; i += eb->start >> PAGE_CACHE_SHIFT; mapping = eb->first_page->mapping; + if (!mapping) + return NULL; read_lock_irq(&mapping->tree_lock); p = radix_tree_lookup(&mapping->page_tree, i); read_unlock_irq(&mapping->tree_lock); @@ -2908,7 +2910,8 @@ int clear_extent_buffer_uptodate(struct extent_io_tree *tree, GFP_NOFS); for (i = 0; i < num_pages; i++) { page = extent_buffer_page(eb, i); - ClearPageUptodate(page); + if (page) + ClearPageUptodate(page); } return 0; } -- cgit v1.1