On 27 Jan 2009, at 17:59, Richard Elling wrote: > ajit jain wrote: >> Hi Andrew, >> >> I am writing a filtering device which tracks the write to the >> file-system. I am doing it for ufs, vxfs and for zfs. Sometime for >> consistent point I need to freeze the file-system which flushes dirty >> block to the disk and block every IO on the top level. So, for ufs >> and >> vxfs I got lockfs and VX_FREEZE/VX_THAW, but with zfs I didn't get >> the >> luck. >> > > I see no need to freeze the file system, or maybe I would say, I see > no benefit to freezing a file system. Perhaps your needs will be met > by the snapshot feature which will also cause a sync(2).
It sounds like the OP could take advantage of the vscan service <http://www.opensolaris.org/os/project/vscan/ > Cheers, Chris _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss