LD_PRELOAD-based virtual s3 FS for systems without FUSE module installed

[vadimkantorov]

Yes, LD_PRELOAD-based fs-related libc/stdio call interception is not ideal (and breaks wherever syscalls invocations are compiled in directly), but for many situations of simple data processing e.g. from Python, it could be sufficient

The need for this is for situations where one does not have FUSE kernel module available or does not have sudo permissions

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I sent a same-worded feature request to mountpoint-s3, basically looking for some LD_PRELOAD-based impl of s3 fs calls interception