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@@ -575,7 +575,15 @@ Chunk index: {0.total_unique_chunks:20d} {0.total_chunks:20d}"""
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entry = FileCacheEntry(*msgpack.unpackb(entry))
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if (entry.size == st.st_size and entry.mtime == st.st_mtime_ns and
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(ignore_inode or entry.inode == st.st_ino)):
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- self.files[path_hash] = msgpack.packb(entry._replace(age=0))
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+ # we ignored the inode number in the comparison above or it is still same.
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+ # if it is still the same, replacing it in the tuple doesn't change it.
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+ # if we ignored it, a reason for doing that is that files were moved to a new
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+ # disk / new fs (so a one-time change of inode number is expected) and we wanted
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+ # to avoid everything getting chunked again. to be able to re-enable the inode
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+ # number comparison in a future backup run (and avoid chunking everything
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+ # again at that time), we need to update the inode number in the cache with what
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+ # we see in the filesystem.
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+ self.files[path_hash] = msgpack.packb(entry._replace(inode=st.st_ino, age=0))
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return entry.chunk_ids
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else:
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return None
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enkore