diff options
| author | Chris Mason <chris.mason@oracle.com> | 2008-09-05 16:09:51 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:07 -0400 |
| commit | a1b32a5932cfac7c38b442582285f3da2a09dfd8 (patch) | |
| tree | d468c51c7391ee1a0cfcc6ff1e76e11c01646efe /fs/btrfs/disk-io.c | |
| parent | 95819c05732c511338b43c115ffbcee978c02888 (diff) | |
Btrfs: Add debugging checks to track down corrupted metadata
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 | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 6a218f792e5..8e7a938bfbc 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -250,7 +250,7 @@ static int btree_read_extent_buffer_pages(struct btrfs_root *root, if (!ret && !verify_parent_transid(io_tree, eb, parent_transid)) return ret; - +printk("read extent buffer pages failed with ret %d mirror no %d\n", ret, mirror_num); num_copies = btrfs_num_copies(&root->fs_info->mapping_tree, eb->start, eb->len); if (num_copies == 1) @@ -348,6 +348,9 @@ int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end, found_start = btrfs_header_bytenr(eb); if (found_start != start) { + printk("bad tree block start %llu %llu\n", + (unsigned long long)found_start, + (unsigned long long)eb->start); ret = -EIO; goto err; } @@ -709,6 +712,8 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, if (ret == 0) { buf->flags |= EXTENT_UPTODATE; + } else { + WARN_ON(1); } return buf; |