On Tue, Feb 01, 2011 at 02:28:50PM +0000, Martin Matuska wrote: > Author: mm > Date: Tue Feb 1 14:28:50 2011 > New Revision: 218169 > URL: http://svn.freebsd.org/changeset/base/218169 > > Log: > For ZFS, change the type of clock_t to int64_t. > > The clock_t type in OpenSolaris is long (int64_t on amd64). > On FreeBSD clock_t is int32_t. The clock_t type is used in several places > in the ZFS code to store system uptime in milliseconds ("seconds * hz"). > > With hz=1000 we have a 32-bit integer overflow in 24 days, 20 hours, > 31 minutes and 23.648 seconds. This has a user reported negative impact > on l2arc_feed_thread() and may cause unexpected results from other functions > using clock_t. > > Reported by: Artem Belevich <fbsdl...@src.cx> on freebsd-fs@ > MFC after: 1 week >
Please, revert! Tinderboxen are spamming my inbox. PS: Please test your patches before committing. Thanks. -- Steve _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"