Commit
a96ee1478daff5994482a97106edf98c258c2991
by Andreas EversbergAdd environment variable to set io_uring size
The term "LIBOSMO_IO_URING_INITIAL_SIZE" is related to the following
patch, which will increment the size of the io_uring automatically if
the initial size is too small.
Related: OS#6705
Change-Id: I55289d9282e13aa1bf82f3931c85c196752f1484