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2019-09-24Process completed blocks one-by-oneDavid Oberhollenzer
This commit makes sure the block processor enqueue function dequeues at most a single block which it dispatches. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-23Cleanup block processor error handlingDavid Oberhollenzer
If an error happpens, immediately stop everything and report only the first error that happened. This also fixes a memory leak in the error paths of the serial and pthread based block processors. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-23Cleanup block processor flag handlingDavid Oberhollenzer
First, remove the "Don't checksum" flag, fragment blocks also need to be checksumed and are also subject to deduplication. For sentinel blocks, instead check if the size is zero. Second, cleanly seperate the user settable flags from the non-user settable flags and reject any block that has non-user settable or unknown flags set. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-23Move the bulk of the work from the data writer to the block processorDavid Oberhollenzer
Instead of calling a callback, the block processor now takes care of writing the data blocks to the file in the correct order, keeping track of fragment blocks and deduplicating blocks. Some cleanup work remains to be done and the statistics have to be repaired (yet again). Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-21Merge some of serial & pthread block processor code paths/declarationsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-13Make block process helper function internalDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-12Cleanup: move block processor code to sub directoryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>