Re: [ANN] LIO userspace improvements

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On 02/26/2014 06:35 PM, Jerome Martin wrote:
Meanwhile, please write your comments, suggestions and any sort of
feedback on
the list. There are also packaging questions to discuss, as for now this is
implemented in the rtslib tree, and that might be suboptimal.
Package maintainers are welcome to send me their preferences.

Hi Jerome,

Good to see your email. Wow, a quantum leap!

Some things that might also be addressed include:

- There's a possibility that configuration operations by different users of rtslib (maybe even the same user and app, but in a different window) might be operating on configfs at the same time, and this could cause big trouble. Establishing a convention for a fcntl-based lock that accessors of configfs acquire might be enough to resolve this, or maybe the commit/rollback feature might help?

- better support for configuring ALUA? I don't think this made it into rtslib.

But overall, yeah, the direction you've started to lay out could be a big step in improving the accessibility of LIO's capabilities. Looking forward to see where it goes, and possible community development opportunities.

Regards -- Andy

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