lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Btrfs: Add debugging checks to track down corrupted metadata

Browse Source 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-09-05 16:09:51 -04:00
parent 95819c0573
commit a1b32a5932
4 changed files with 49 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
fs/btrfs/disk-io.c
View File

@@ -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;