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This way, everything that could be done through the hooks (and more)
can be done by simply providign a custom implementation. The result is
a lot clener that the previous hook based version.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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- the "bytes submitted" can be moved over to the block processor
- the number of blocks submitted are already there (implcitily, by
adding the data block count to the fragment block count)
- actual data bytes written can be computed from the super block
- the remaining block count can be changed to simple counter that
can be obtained through a function.
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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Avoid namespace polution. Make sure all exportet symbols are prefixed
with either sqfs_ or SQFS_.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This patch adds a deep-copy callback to sqfs_object_t and removes the
copying mechanism from sqfs_compressor_t. This is also interesting for
other types.
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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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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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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