[jira] [Updated] (LEGAL-316) Use of struct definitions and #defines from LGPL source

["Henri Yandell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LEGAL-316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henri Yandell updated LEGAL-316:
--------------------------------
    Component/s: Website Change

> Use of struct definitions and #defines from LGPL source
> -------------------------------------------------------
>
>                 Key: LEGAL-316
>                 URL: https://issues.apache.org/jira/browse/LEGAL-316
>             Project: Legal Discuss
>          Issue Type: Question
>          Components: Website Change
>            Reporter: Todd Lipcon
>            Priority: Major
>
> In Kudu, we are looking to make use of an XFS-specific ioctl() which requires a specific struct xfs_flock64 to be passed as its argument. The struct is not available in commonly-distributed headers but is part of the public API of XFS, and defined in the Linux source tree in an [LGPL-licensed header|https://github.com/torvalds/linux/blob/fe7a719b30dfdb4d55680461954b99b257ebe671/fs/xfs/libxfs/xfs_fs.h#L126]. We also need the definition of XFS_IOC_UNRESVSP64 defined [here|https://github.com/torvalds/linux/blob/fe7a719b30dfdb4d55680461954b99b257ebe671/fs/xfs/libxfs/xfs_fs.h#L509].
> Since the file isn't commonly installed by default, we would like to copy-paste the struct definition and define into our own code. According to Richard Stallman on http://lkml.iu.edu/hypermail/linux/kernel/0301.1/0362.html:
> {quote}
>  Our view is that just using structure 
> definitions, typedefs, enumeration constants, macros with simple 
> bodies, etc., is NOT enough to make a derivative work
> {quote}
> Additionally, Google has been extracting struct definitions from Linux and redistributing them as part of their BSD-licensed bionic library for the past 6 years on Android. So, we believe there is precedent and this should be fine for us. Just looking for confirmation from ASF Legal.



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