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5582e8b08e
Currently this function uses L0 offsets which: 1. is hard to read since it maps offsets to blkid and back each call 2. necessitates dnode_next_block to handle edge cases at limits 3. makes it hard to tell if the traversal can loop infinitely Instead, update this and dnode_next_offset to work in (blkid, index). This way the blkid manipulations are clear, and it's also clear that the traversal always terminates since blkid goes one direction. I've also considered updating dnode_next_offset to operate on blkid. Callers use both patterns, so maybe another PR can split the cases? While here tidy up dnode_next_offset_level comments. Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Robert Evans <evansr@google.com> Closes #17792 |
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