Fix copy-on-write corruption #177
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Copy-on-write can cause I/O errors and corruption, as described in 'BRANCH' First, copy-on-write can send corrupt data over the network -- even though on-disk it's fine -- with sequential reads. Second, sparse-copy-on-write can fail to write correctly to disk, when extending the file.
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Copy-on-write can cause I/O errors and corruption.
First, copy-on-write can send corrupt data over the network to the client -- even though on-disk it's fine -- with sequential reads.
Second, sparse-copy-on-write can fail to write correctly to disk, when extending the file.