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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This commit moves all of the fragment/block accounting in the block
processor over to the writing end of the pipeline. In order to do
this, the sparse blocks are allowed to bubble through the pipeline.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Again, the generic init/cleanup functions do way too many things that
are specific to the thread pool implementation. Thanks to the splitting
up of the block processor, they also have become quite trivial. This
commit moves those functions into their respective implementations,
allowing even further simplificiation.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The "generic" version actually uses specific internals of the thread
pool implementation. Move it back into the thread pool based
implementation and simplify the serial processor.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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If the API is mis-used or allocation fails, return an appropriate
error code, but don't permanently break the block processor. It's
easy to recover from that.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Under the assumption that block processing is CPU bound and not I/O
bound, this is entirely useless.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Make every dynamically allocated, opaque data structure inherit from
a common sqfs_object_t structure with common entry points (e.g. destroy).
This removes tons of public API functions and replaces them with a
simple sqfs_destroy instead. If semantics of the (until now implicit)
object system need to be extended, it can be much more conveniantely
done this way.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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It was basically built around the block processor and exposed way too
many internals. Removing it from other places was mostly trivial. This
commit completely removes it from the public API and even most of the
libsquashfs internals.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The sqfs_block_t structure has been written for the block processor
and exposes way too many internals. This commit removes its usage
from the block writer, cutting it down to the bare essentials, so
the structure can be removed from the public API later on.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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There is no obvious non-footgun use for those other than tallying
statistics, which is now done by the data structures themselves.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This commit moves the entire block writing and deduplication of data
blocks over to a different data type named "block writer".
For simplicity, the interfaces of the block processor are left as is
and are turned into warppers. Likewise, most of the code in the block
writer is just verbatim from the block processor, to be cleaned up in
subsequent commits.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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