hi, > Mindaugas Rasiukevicius wrote: > >> Module Name: src >> Committed By: rmind >> Date: Wed Nov 11 09:59:42 UTC 2009 >> >> Modified Files: >> >> src/sys/fs/tmpfs: tmpfs_subr.c >> >> Log Message: >> >> Simplify tmpfs_itimes() and use vfs_timestamp(). [ ... ] > > Was changing from getnanotime() to effectively nanotime() (via > vfs_timestamp()) deliberate? The original intention of using > getnanotime() for filesystem timestamps was that having a "perfect" > timestamp was less important than the time taken to obtain the > timestamp itself. > > Cheers, > Simon.
"perfect" timestamp is important for nfs. freebsd has a knob to switch getnanotime/nanotime for vfs_timestamp for the tradeoff. YAMAMOTO Takashi