diff options
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 51a691532fd8..96e49fd5b888 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -1158,19 +1158,40 @@ int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb, enum btrfs_inline_ref_type is_data) { int type = btrfs_extent_inline_ref_type(eb, iref); + u64 offset = btrfs_extent_inline_ref_offset(eb, iref); if (type == BTRFS_TREE_BLOCK_REF_KEY || type == BTRFS_SHARED_BLOCK_REF_KEY || type == BTRFS_SHARED_DATA_REF_KEY || type == BTRFS_EXTENT_DATA_REF_KEY) { if (is_data == BTRFS_REF_TYPE_BLOCK) { - if (type == BTRFS_TREE_BLOCK_REF_KEY || - type == BTRFS_SHARED_BLOCK_REF_KEY) + if (type == BTRFS_TREE_BLOCK_REF_KEY) return type; + if (type == BTRFS_SHARED_BLOCK_REF_KEY) { + ASSERT(eb->fs_info); + /* + * Every shared one has parent tree + * block, which must be aligned to + * nodesize. + */ + if (offset && + IS_ALIGNED(offset, eb->fs_info->nodesize)) + return type; + } } else if (is_data == BTRFS_REF_TYPE_DATA) { - if (type == BTRFS_EXTENT_DATA_REF_KEY || - type == BTRFS_SHARED_DATA_REF_KEY) + if (type == BTRFS_EXTENT_DATA_REF_KEY) return type; + if (type == BTRFS_SHARED_DATA_REF_KEY) { + ASSERT(eb->fs_info); + /* + * Every shared one has parent tree + * block, which must be aligned to + * nodesize. + */ + if (offset && + IS_ALIGNED(offset, eb->fs_info->nodesize)) + return type; + } } else { ASSERT(is_data == BTRFS_REF_TYPE_ANY); return type; |