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...d up reporting success to the client without performing FUA. Fixes: 4f37c64ffdd42fab5c5d9c6157db396b60866a7a Signed-off-by: Eric Blake <eblake@redhat.com> --- src/plugins.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/plugins.c b/src/plugins.c index 699e9c5..1b0816c 100644 --- a/src/plugins.c +++ b/src/plugins.c @@ -412,7 +412,7 @@ plugin_pwrite (struct backend *b, struct connection *conn, errno = EROFS; return -1; } - if (r == 0 && fua) { + if (r != -1 && fua) { assert (p->plugin.flush); r = plugin_flush (b, conn, 0...

While working on improving the backend interface to allow filters to handle errors, I noticed that I've introduced some minor incompatibilities for filters that don't quite obey the documentation which states that a callback should return only 0/-1. Prior to my additions, we treated all plugin returns other than -1 as success (sort of makes sense for a positive return, particularly if a

After more than a month since v2 [1], I've finally got my FUA support series polished. This is all of my outstanding patches, even though some of them were originally posted in separate threads from the original FUA post [2], [3] [1] https://www.redhat.com/archives/libguestfs/2018-January/msg00113.html [2] https://www.redhat.com/archives/libguestfs/2018-January/msg00219.html [3]