searchfs() needs to support ATTR_CMNEXT_LINKID

Number:rdar://33473247 Date Originated:
Status:Open Resolved:
Product:macOS Product Version:10.13
Classification:Bug Reproducible:Always
(I do not know the actual description as I didn't write this report, but the gist of it is as follows:)

The attribute ATTR_CMNEXT_LINKID is similar to ATTR_CMN_FILEID in that it identifies a directory item (file, folder etc.) by a 64 bit node ID. The difference between both is that if the item is hard-linked, ATTR_CMN_FILEID identifies the targeted file, whereas ATTR_CMNEXT_LINKID identifies the link itself, making it possible for searchfs() to return all the hard links to a single file.


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