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path: root/include/sqfs/block_processor.h
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2019-09-25Rename block processor to sqfs_data_writer_tDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-24Move entire fragment processing from data writer to block processorDavid Oberhollenzer
So far, this is mostly a direct port from the block processor. The actual fragment checksumming is not done through the thread pool. 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>
2019-09-23Replace user pointer in sqfs_block_t with explicit inode pointerDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-22Move data writer custom flags over to block processorDavid 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>
2019-09-10Make the thread pool queue backlog user configurableDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-09Add doxygen annotations to all public headersDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-09Change license of libsquashfs.soDavid Oberhollenzer
This this commit, the code that is compiled and linked to produce libsquashfs.so (and *only* libsquashfs.so) is released under the terms and conditions of the GNU Lesser General Public license, allowing 3rd party programs to dynamically link against it and still being able to release their programs under a license of their choosing. The libutil library is also relicensed, because it is statically linked into libsquashfs.so. This does not affect the command line programs that remain under the GPLv3. At the current time, the two libraries do not contain any 3rd party contributions and thus do not require anybodys consent other than mine to change the licensing terms (unlike e.g. libfstree.a). The libfstree.a and libsqfshelper.a utility libraries will also remain under the GPLv3 license. Going forward, some parts of libsqfshelper.a will be moved to libsquashfs.so. The parts absorbed by libsquashfs.so will then also have their licensing conditions changed *at that time*. For the public headers, this commit adds the full boiler-plate comment about the license, for the source files and internal headers, only the SPDX identifier is changed. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-07Move data structure forward declarations to predef headerDavid Oberhollenzer
This in turn allows for removing most of the header inclusions within the public headers. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-07Remove config.h inclusions from public headersDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-05Fix API visibility for libsquashfs.soDavid Oberhollenzer
This commit adds a "predef.h" header to libsquashfs that exposes two macros, SQFS_API and SQFS_INTERNAL that are used to explicilty set the visibiliy of stuff that ends up in libsquashfs to default or hidden. For compatibillity with Windows which may at some point eventually be considered, the SQFS_API define is set to dllexport IF the cpp symbol SQFS_BUILDING_DLL is defined and set to import otherwise. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-05Cleanup naming scheme of compressorDavid Oberhollenzer
Add sqfs_* prefix to compressor, move implementation prefix up front. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-05Cleanup: add SQFS_*/sqfs_* prefix to block processorDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-05Cleanup: move "create_block" from block processor over to data writerDavid Oberhollenzer
It only has one user and is quite specialized actually. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-01Add C++ gurads to publicly exported functionsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-09-01Install libsquashfs.so headers on the system in "sqfs" subdirectoryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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