On Monday 01 March 2010 5:12:13 pm Kostik Belousov wrote: > On Mon, Mar 01, 2010 at 10:30:51AM -0500, John Baldwin wrote: > > On Sunday 28 February 2010 12:19:22 pm Konstantin Belousov wrote: > > > Author: kib > > > Date: Sun Feb 28 17:19:22 2010 > > > New Revision: 204475 > > > URL: http://svn.freebsd.org/changeset/base/204475 > > > > > > Log: > > > Mark msdosfs as mpsafe. > > > > Are you planning on implementing support for LOOKUP_SHARED and > > EXTENDED_SHARED as well? > > Do you think it makes sense to do this for msdosfs ? > Please note that current msdosfs code exclusively uses exclusive locks > on the vnodes. > > One obvious issue with *_SHARED is the fat cache in the denode.
Oh, hmm. I guess we would need to first allow it to use shared locks generically (VN_LOCK_ASHARE() for VOP_READ() and the like). I do think we should try to make our filesystems concurrent when it is not too terribly difficult. -- John Baldwin _______________________________________________ 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"
