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| author | Chris Mason <chris.mason@oracle.com> | 2008-05-12 12:59:19 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:03 -0400 |
| commit | ca7a79ad8dbe24669a8ced01f9fc0126b872745d (patch) | |
| tree | 0d53d8e6fd9ff9aece4e703581918c7817175d5d /fs/btrfs/tree-defrag.c | |
| parent | 188de649c51f03df3f8a601aea0110a3870815c2 (diff) | |
| download | lwn-ca7a79ad8dbe24669a8ced01f9fc0126b872745d.tar.gz lwn-ca7a79ad8dbe24669a8ced01f9fc0126b872745d.zip | |
Btrfs: Pass down the expected generation number when reading tree blocks
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/tree-defrag.c')
| -rw-r--r-- | fs/btrfs/tree-defrag.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c index 256af1870eef..5085e9e693b9 100644 --- a/fs/btrfs/tree-defrag.c +++ b/fs/btrfs/tree-defrag.c @@ -28,6 +28,7 @@ static void reada_defrag(struct btrfs_root *root, int i; u32 nritems; u64 bytenr; + u64 gen; u32 blocksize; int ret; @@ -35,7 +36,8 @@ static void reada_defrag(struct btrfs_root *root, nritems = btrfs_header_nritems(node); for (i = 0; i < nritems; i++) { bytenr = btrfs_node_blockptr(node, i); - ret = readahead_tree_block(root, bytenr, blocksize); + gen = btrfs_node_ptr_generation(node, i); + ret = readahead_tree_block(root, bytenr, blocksize, gen); if (ret) break; } @@ -101,10 +103,11 @@ static int defrag_walk_down(struct btrfs_trans_handle *trans, path->slots[*level]++; continue; } - btrfs_verify_block_csum(root, next); } else { next = read_tree_block(root, bytenr, - btrfs_level_size(root, *level - 1)); + btrfs_level_size(root, *level - 1), + btrfs_node_ptr_generation(cur, + path->slots[*level])); } ret = btrfs_cow_block(trans, root, next, path->nodes[*level], path->slots[*level], &next); |