On Wed, Jan 28, 2015 at 09:41:06AM -0800, Don Lewis wrote: > On 28 Jan, Konstantin Belousov wrote: > > Author: kib > > Date: Wed Jan 28 10:37:23 2015 > > New Revision: 277828 > > URL: https://svnweb.freebsd.org/changeset/base/277828 > > > > Log: > > Update mtime for tmpfs files modified through memory mapping. Similar > > to UFS, perform updates during syncer scans, which in particular means > > that tmpfs now performs scan on sync. Also, this means that a mtime > > update may be delayed up to 30 seconds after the write. > > Maybe disable the scan if mounted noatime? It is for mtime, not atime, updates.
In fact, I thought about per-mount option to enable/disable mtime updates, but then decided that it is too exotic. I will add if if real performance complain appear, this also explains relatively long MFC timeout. _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
