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..., .pread = filter_pread, @@ -674,6 +734,7 @@ static struct backend filter_functions = { .flush = filter_flush, .trim = filter_trim, .zero = filter_zero, + .extents = filter_extents, }; /* Register and load a filter. */ diff --git a/server/plugins.c b/server/plugins.c index 28b96ad..5d223e1 100644 --- a/server/plugins.c +++ b/server/plugins.c @@ -1,5 +1,5 @@ /* nbdkit - * Copyright (C) 2013-2018 Red Hat Inc. + * Copyright (C) 2013-2019 Red Hat Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -199,6 +199,8 @@ plugin_dump_field...

Second version based on nbdkit_extent* calls, as discussed here: https://www.redhat.com/archives/libguestfs/2019-March/msg00033.html Note in particular there is some subtlety about how filters would work in this implementation. See docs/nbdkit-filter.pod for the details. Rich.