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8e060ec225b74bbf22e5bdbacd604efcc73294c0
I noticed while profiling journald that we invoke readlinkat() a ton on open /proc/self/fd/<fd>, and that the returned paths are more often than not longer than the 99 chars used before, when we look at archived journal files. This means for these cases we generally need to execute two rather than one syscalls. Let's increase the buffer size a tiny bit, so that we reduce the number of syscalls executed. This is really a low-hanging fruit of optimization.
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