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....pread = plugin_pread, @@ -679,6 +730,7 @@ static struct backend plugin_functions = { .flush = plugin_flush, .trim = plugin_trim, .zero = plugin_zero, + .extents = plugin_extents, }; /* Register and load a plugin. */ diff --git a/server/Makefile.am b/server/Makefile.am index be70700..5ee662e 100644 --- a/server/Makefile.am +++ b/server/Makefile.am @@ -43,6 +43,7 @@ nbdkit_SOURCES = \ connections.c \ crypto.c \ debug.c \ + extents.c \ filters.c \ internal.h \ locks.c \ diff --git a/server/nbdkit.syms b/server/nbdkit.syms index 672abd2..240953e 100644 --- a/server/nbdkit.syms...

....pread = plugin_pread, @@ -679,6 +730,7 @@ static struct backend plugin_functions = { .flush = plugin_flush, .trim = plugin_trim, .zero = plugin_zero, + .extents = plugin_extents, }; /* Register and load a plugin. */ diff --git a/server/Makefile.am b/server/Makefile.am index be70700..5ee662e 100644 --- a/server/Makefile.am +++ b/server/Makefile.am @@ -43,6 +43,7 @@ nbdkit_SOURCES = \ connections.c \ crypto.c \ debug.c \ + extents.c \ filters.c \ internal.h \ locks.c \ diff --git a/server/nbdkit.syms b/server/nbdkit.syms index 672abd2..240953e 100644 --- a/server/nbdkit.syms...

I'm not sure exactly which version we're up to, but let's say it's version 4. I'm a lot happier with this version: - all filters have been reviewed and changed where I think that's necessary - can_extents is properly defined and implemented now - NBD protocol is followed - I believe it addresses all previous review points where possible The "only" thing

This has already been pushed upstream. I am simply posting these here so we have a reference in the mailing list in case we find bugs later (as I'm sure we will - it's a complex patch series). Great thanks to Eric Blake for tireless review on this one. It also seems to have identified a few minor bugs in qemu along the way. Rich.