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| author | Chris Mason <chris.mason@oracle.com> | 2008-04-09 16:28:12 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:01 -0400 |
| commit | 728131d8e40c2a47c59ca91a806299c4708029f9 (patch) | |
| tree | 4b6023689d6f77fdf785d815a2ca986e73aeff1a /fs/btrfs/disk-io.c | |
| parent | cea9e4452ebaf18dd0951e90dc84d82a5dee40b2 (diff) | |
| download | lwn-728131d8e40c2a47c59ca91a806299c4708029f9.tar.gz lwn-728131d8e40c2a47c59ca91a806299c4708029f9.zip | |
Btrfs: Add additional debugging for metadata checksum failures
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index bc5bd5abb28a..e444b99e02da 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -283,6 +283,7 @@ static int btree_releasepage(struct page *page, gfp_t gfp_flags) map = &BTRFS_I(page->mapping->host)->extent_tree; ret = try_release_extent_mapping(map, tree, page, gfp_flags); if (ret == 1) { + invalidate_extent_lru(tree, page_offset(page), PAGE_CACHE_SIZE); ClearPagePrivate(page); set_page_private(page, 0); page_cache_release(page); @@ -376,7 +377,6 @@ int btrfs_verify_block_csum(struct btrfs_root *root, buf->flags |= EXTENT_CSUM; return 0; } - lock_extent(io_tree, buf->start, end, GFP_NOFS); if (test_range_bit(io_tree, buf->start, end, EXTENT_CSUM, 1)) { @@ -384,6 +384,7 @@ int btrfs_verify_block_csum(struct btrfs_root *root, ret = 0; goto out_unlock; } +WARN_ON(buf->flags & EXTENT_CSUM); ret = csum_tree_block(root, buf, 1); set_extent_bits(io_tree, buf->start, end, EXTENT_CSUM, GFP_NOFS); |