/* may be truncated in case it's the last extent in a file */
u64 extent_len;
- /* data offset in the file extent item */
- u64 data_offset;
-
/* Just to check for bugs in backref resolving */
int found_itself;
};
backref_ctx->cur_offset = data_offset;
backref_ctx->found_itself = 0;
backref_ctx->extent_len = num_bytes;
- /*
- * For non-compressed extents iterate_extent_inodes() gives us extent
- * offsets that already take into account the data offset, but not for
- * compressed extents, since the offset is logical and not relative to
- * the physical extent locations. We must take this into account to
- * avoid sending clone offsets that go beyond the source file's size,
- * which would result in the clone ioctl failing with -EINVAL on the
- * receiving end.
- */
- if (compressed == BTRFS_COMPRESS_NONE)
- backref_ctx->data_offset = 0;
- else
- backref_ctx->data_offset = btrfs_file_extent_offset(eb, fi);
/*
* The last extent of a file may be too large due to page alignment.