I am experimenting with an xrootd plugin (class MyPlugin: public XrdOssDF).

I have a xroot.config file with async enabled and a segsize of 1MiB:

xrootd.async force limit 8 maxsegs 8 maxstalls 5 maxtot 4096 segsize 1048576

Then I implement the async Read (virtual int Read(XrdSfsAio *aiop)) and I copy a big file (~100MiB) using xrdcp.

Debugging the plugin, it seems I am always getting a aiop->sfsAio.aio_nbytes of 64KiB instead of 1 MiB.

Could you help me? Thanks.

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