[Libguestfs] [nbdkit PATCH v2 0/3] add log, blocksize filters

Since v1: add the blocksize filter, add testsuite coverage of the log filter, several fixes to the log filter based on what adding tests revealed I'm still working on FUA flag support patches on top of this; the patches should all be committed in the same release, as we want to minimize the number of releases that cause a filter ABI/API bump Eric Blake (3): backend: Rework internal/filter error return semantics filters: Add log filter filters: Add blocksize filter TODO | 7 - docs/nbdkit-filter.pod | 85 +++++- docs/nbdkit.pod | 2 + filters/blocksize/nbdkit-blocksize-filter.pod | 141 ++++++++++ filters/log/nbdkit-log-filter.pod | 115 ++++++++ configure.ac | 4 +- src/internal.h | 1 - src/connections.c | 45 +-- src/filters.c | 81 ++++-- src/plugins.c | 66 +++-- filters/blocksize/blocksize.c | 379 ++++++++++++++++++++++++++ filters/cache/cache.c | 49 ++-- filters/cow/cow.c | 28 +- filters/log/log.c | 362 ++++++++++++++++++++++++ filters/partition/partition.c | 2 +- filters/Makefile.am | 2 + filters/blocksize/Makefile.am | 62 +++++ filters/log/Makefile.am | 62 +++++ tests/Makefile.am | 8 + tests/test-blocksize.sh | 152 +++++++++++ tests/test-log.sh | 88 ++++++ 21 files changed, 1599 insertions(+), 142 deletions(-) create mode 100644 filters/blocksize/nbdkit-blocksize-filter.pod create mode 100644 filters/log/nbdkit-log-filter.pod create mode 100644 filters/blocksize/blocksize.c create mode 100644 filters/log/log.c create mode 100644 filters/blocksize/Makefile.am create mode 100644 filters/log/Makefile.am create mode 100755 tests/test-blocksize.sh create mode 100755 tests/test-log.sh -- 2.14.3