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Btrfs: Fix verify_parent_transid

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It was incorrectly clearing the up to date flag on the buffer even
when the buffer properly verified.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-07-30 10:29:12 -04:00
parent f321e49103
commit 33958dc6d3
2 changed files with 5 additions and 2 deletions
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2
fs/btrfs/disk-io.c
View File

@ -235,8 +235,8 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
(unsigned long long)parent_transid, (unsigned long long)parent_transid,
(unsigned long long)btrfs_header_generation(eb)); (unsigned long long)btrfs_header_generation(eb));
ret = 1; ret = 1;
out:
clear_extent_buffer_uptodate(io_tree, eb); clear_extent_buffer_uptodate(io_tree, eb);
out:
unlock_extent(io_tree, eb->start, eb->start + eb->len - 1, unlock_extent(io_tree, eb->start, eb->start + eb->len - 1,
GFP_NOFS); GFP_NOFS);
return ret; return ret;

5
fs/btrfs/extent_io.c
View File

@ -2647,6 +2647,8 @@ static inline struct page *extent_buffer_page(struct extent_buffer *eb,
return eb->first_page; return eb->first_page;
i += eb->start >> PAGE_CACHE_SHIFT; i += eb->start >> PAGE_CACHE_SHIFT;
mapping = eb->first_page->mapping; mapping = eb->first_page->mapping;
if (!mapping)
return NULL;
read_lock_irq(&mapping->tree_lock); read_lock_irq(&mapping->tree_lock);
p = radix_tree_lookup(&mapping->page_tree, i); p = radix_tree_lookup(&mapping->page_tree, i);
read_unlock_irq(&mapping->tree_lock); read_unlock_irq(&mapping->tree_lock);
@ -2908,7 +2910,8 @@ int clear_extent_buffer_uptodate(struct extent_io_tree *tree,
GFP_NOFS); GFP_NOFS);
for (i = 0; i < num_pages; i++) { for (i = 0; i < num_pages; i++) {
page = extent_buffer_page(eb, i); page = extent_buffer_page(eb, i);
ClearPageUptodate(page); if (page)
ClearPageUptodate(page);
} }
return 0; return 0;
} }