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On 01/16/2018 10:32 AM, Richard W.M. Jones wrote: > Introduce the concept of a backend. Currently the only type of > backend is a plugin, and there can only be one of them. Instead of > calling functions like ‘plugin_pwrite’ you call the backend method > ‘backend->pwrite (backend, ...)’. > > The change is largely mechanical. I was able to remove ‘assert (dl)’ > statements throughout since we can now prove they will never be > called. > > Note this does not lift the restriction of one p...

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Commit 876d715e17a59bd25df53be34b942afd96e52da9 ("Refactor plugin_* functions into a backend struct.") causes hidden crashes in the test suite (which unfortunately don't cause tests to fail). These all come from handle_single_connection where we may lock the connection, run a single connection, free the backend, and then try to unlock the connection. Un...

Introduce the concept of a backend. Currently the only type of backend is a plugin, and there can only be one of them. Instead of calling functions like ‘plugin_pwrite’ you call the backend method ‘backend->pwrite (backend, ...)’. The change is largely mechanical. I was able to remove ‘assert (dl)’ statements throughout since we can now prove they will never be called. Note this does not lift the restriction of one plugin per server, and it can *never...

Introduce the concept of a backend. Currently the only type of backend is a plugin, and there can only be one of them. Instead of calling functions like ‘plugin_pwrite’ you call the backend method ‘backend->pwrite (backend, ...)’. The change is largely mechanical. I was able to remove ‘assert (dl)’ statements throughout since we can now prove they will never be called. Note this does not lift the restriction of one plugin per server, and it can *never...

Introduce the concept of a backend. Currently the only type of backend is a plugin, and there can only be one of them. Instead of calling functions like ‘plugin_pwrite’ you call the backend method ‘backend->pwrite (backend, ...)’. The change is largely mechanical. I was able to remove ‘assert (dl)’ statements throughout since we can now prove they will never be called. Note this does not lift the restriction of one plugin per server, and it can *never...

hello all, I just joined the development team for audacity, a corss platform open source multitrack audio editor. I would like to add support for importing and exporting files in FLAC format. I was wondering if any of you could point me to some documentation about using libflac to add FLAC support to other programs? thanks, jason jason@pepas.com ps - sorry i am not subscribed to the list, so

v1 -> v2: - Fixed everything mentioned in the review. Rich.

Somewhat invasive but mostly mechanical change to how plugins are called. This patch is in preparation for adding a second backend subtype for filters. Rich.

I ran into these while trying to prepare patches to add NBD_CMD_FLAG_FAST_ZERO, which will expose a new NBD_ENOTSUP wire value. Eric Blake (2): plugins: Don't lose original error when emulating FUA plugins: Permit ENOTSUP as synonym for EOPNOTSUPP docs/nbdkit-filter.pod | 11 ++++++----- docs/nbdkit-plugin.pod | 12 +++++++----- plugins/file/file.c | 16 +++++++++++-----

I have dropped the map filter from this series for now while I try to get it working. However I think the truncate filter is in a good shape. This incorporates all feedback from Eric's review. Also there are three small fixes to the filter code, all revealed when I was testing using multiple filters which we'd not done much of before. Rich.

The first three patches are identical to: https://www.redhat.com/archives/libguestfs/2018-January/msg00079.html "[PATCH nbdkit v2 0/3] Refactor plugin_* functions into a backend" The rest of the patches add filters using the new filter API previously described here: https://www.redhat.com/archives/libguestfs/2018-January/msg00073.html This needs a lot more testing -- and tests -- and I also want to write a couple of more complicated filte...

...BD adds more flags upstream). Eric Blake (4): protocol: Split flags from cmd field in requests backend: Pass flags argument through plugins: Move FUA fallback to plugins RFC: plugins: Add callbacks for FUA semantics Richard W.M. Jones (9): plugins: Move locking to a new file. Refactor plugin_* functions into a backend struct. Fix const-correctness of backend pwrite method. backend: Add a .plugin_name method. connections: Allow multiple handles to be stored in the connection object. Introduce filters. Implement filters. filters: Add nbdkit-offset-filter. filters: Move r...