When one uses do_generic_file_read to (in-kernel) read a file from the
page cache one has to give a read_actor as parameter. Suppose different
do_generic_file_read instances occur simultaneously, then how can a
shared file_read_actor differentiate between the different
do_generic_file_read instances that made a call to it?
Shouldn't read_descriptor_t contain something like
to make this possible?
I also very much could use a this_data field so my read_actor can put the
data into a structure pointed to by this_data.
If something for this already is present somewhere... please point me to
that place in the code tree.
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