libmount: add mnt_table_parse_utab()#4463
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Add new public API to parse the utab file into a table. The utab path and format are private library details; this function hides them from callers. NULL as filename is recommended to let the library determine the correct path. This is needed by systemd for incremental fanotify-based mount monitoring, where utab needs to be parsed independently of the full mountinfo/listmount rescan path. Signed-off-by: Karel Zak <kzak@redhat.com>
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Summary
mnt_table_parse_utab()— public API to parse the utab file into a table, hiding the private file location and format from callersThis is needed by systemd for incremental fanotify-based mount monitoring, where utab needs to be parsed independently of the full mountinfo/listmount rescan path.