Following changes have been made :
1. The benchmark now expects sftp_aio_begin_read() to
return an ssize_t indicating an error (or) the number of
bytes for which it sent a read request.
2. If the user sets a chunk size > max limit for the reading
via CLI, the benchmark does not use the set chunk size and
instead uses the max limit for reading as the chunk size for
download.
3. fprintf calls have been introduced to print the reason
for the failure if the benchmark fails.
Signed-off-by: Eshan Kelkar <eshankelkar@galorithm.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
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