Manpages

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Implemented "NBD_FLAG_CAN_MULTI_CONN" which greatly improves performance for clients that support it.

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Implemented "NBD_OPT_INFO" (Eric Blake).

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nbdkit-data-plugin(1) and nbdkit-memory-plugin(1): By adding fine-grained locking, these plugins now use the fully parallel thread model.

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nbdkit-cache-filter(1): The size of the cache can now be limited, and the cache reclaims space using an LRU algorithm. It has also been enhanced to support cache-on-read mode. The filter now uses a fully parallel thread model.

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nbdkit-cow-filter(1): Use a fully parallel thread model.

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nbdkit-sh-plugin(3): Inline scripts: https://rwmj.wordpress.com/2018/12/15/nbdkit-inline-scripts/

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nbdkit-sh-plugin(3): Full API version 2 is now supported.

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nbdkit-ocaml-plugin(3): Full API version 2 is now supported.

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nbdkit-delay-filter(1) allows you to specify the read, write, zero and trim delays individually.

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nbdkit-curl-plugin(1): Add support for connecting to servers over Unix domain sockets.

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Bash tab completion has been improved: Partial plugin names are expanded correctly, and plugin parameters containing "-" work.

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Public header files can now be consumed by ISO C90 compilers (but GCC or Clang is still required to compile nbdkit itself).

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A better non-cryptographically secure pseudo-random number generator (xoshiro256** 1.0) is now used on all platforms, replacing previous uses of random(3).

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Fuzzing using American Fuzzy Lop is now supported, and was carried out, resulting in one error being found in the server (not security related).

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New nbdkit-xz-filter(1): This replaces nbdkit-xz-plugin which will be removed in nbdkit 1.12.

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New nbdkit-loop(1) man page documenting how to use nbdkit for loop mounts. See also: https://fosdem.org/2019/schedule/event/nbdkit/

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New nbdkit-full-plugin(1): Returns "ENOSPC" on every request.

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"attribute((format))", "attribute((nonnull))" and "attribute((sentinel))" are used in internal header files to improve code quality.

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Logging using %m now works on all platforms, not just on Linux with glibc (Eric Blake).

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VPATH builds partially supported (Eric Blake).

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Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

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