It happens as late as in 4.1.6
On Wed, Aug 19, 2015 at 5:38 AM, Steve French <[email protected]> wrote: > What kernel version? > > On Wed, Aug 19, 2015 at 6:11 AM, Yale Zhang <[email protected]> wrote: >> >> SMB developers/users, >> >> I'm experiencing a strange bottleneck when my files are mounted as SMB >> 2.0. When I launch multiple processes in parallel for benchmarking, >> only the 1st one starts, and the rest won't start until the 1st one >> finishes: >> >> ---------------------------------------test >> programs-------------------------------- >> #!/bin/sh >> ./a.out& >> ./a.out& >> ./a.out& >> wait >> >> a.out is just a C program like this: >> >> int main() >> { >> printf("greetings\n"); >> while (true); >> return 0; >> } >> >> Apparently, this only affects SMB 2.0. I tried it with SMB 2.1, SMB >> 3.0, & SMB 3.02, and everything starts in parallel as expected. >> >> I'm assuming SMB 3 and especially SMB 2.1 would share a common >> implementation. How could 2.0 have the problem but not 3? It almost >> seems the bottleneck is a feature instead of a bug? 8( >> >> Can it still be fixed? >> >> -Yale >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-cifs" in >> the body of a message to [email protected] >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > > -- > Thanks, > > Steve -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
