![]() | |||||||||||
Messages in this thread |
Theodore Tso wrote: >>> >> Now, to be fair, there are probably a number of cases where >> open/lseek/readv/close and open/lseek/writev/close would be worth doing >> as a single system call. The big problem as far as I can see involves >> EINTR handling; such a system call has serious restartability implications. > > Sure, but Hans wants to change /etc/inetd.conf into /etc/inetd.conf.d, > where you have: /etc/inetd.conf.d/telnet/port, > /etc/inetd.conf.d/telnet/protocol, /etc/inetd.conf.d/telnet/wait, > /etc/inetd.conf.d/telnet/userid, /etc/inetd.conf.d/telnet/daemon, > etc. for each individual line in /etc/inetd.conf. (And where each > file might only contains 2-4 characters each: i.e., "23", "tcp", > "root", etc.) > > So it's not enough just to collapse open/pread/close into a single > system call; in order to gain back the performance squandered by all > of these itsy-bitsy tiny little files. You want to collapse the > open/pread/close for many of these little files into a single system > call, hence Hans's insistence on sys_reiser4(); otherwise his scheme > doesn't work all that well at all. > Heh. sys_read_tree() -- walk a directory tree and return it as a data structure in memory :) -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
| Last update: 2007-04-24 02:37 [from the cache] ©2003-2008 | |||||||||||