80a3cef87d
- Remove hardcoded uid, gid, mode from struct pfs_node; make pfs_getattr() smart enough to get it right most of the time, and allow for callbacks to handle the remaining cases. Rework the definition macros to match. - Add lots of (conditional) debugging output. - Fix a long-standing bug inherited from procfs: don't pretend to be a read-only file system. Instead, return EOPNOTSUPP for operations we truly can't support and allow others to fail silently. In particular, pfs_lookup() now treats CREATE as LOOKUP. This may need more work. - In pfs_lookup(), if the parent node is process-dependent, check that the process in question still exists. - Implement pfs_open() - its only current function is to check that the process opening the file can see the process it belongs to. - Finish adding support for writeable nodes. - Bump module version number. - Introduce lots of new bugs.
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