* Rick Macklem <rmack...@uoguelph.ca> [111116 21:16] wrote: > Alfred Perlstein wrote: > > Rick, I have a question, what will happen if the nfs_freesillyrename() > > call happens when the mount is down? Will it block the > > taskqueue_thread? > > > > If so, it might make more sense to make a taskqueue per mount point. > > > > If not, excuse me. :-) > > > Well, all nfs_freesillyrename() does is a vrele() on the parent > directory when the file node's use count has gone to 0. > I can't think why that would do any RPC, so I don't see a problem? > If you do see a problem with vrele() on the directory, please let me > know. > > The problem this fixes is a LOR that would occur when the vrele() on > the directory was done by the thread doing VOP_INACTIVE(), since it > already has the file vnode lock and the vrele() was locking the parent > directory. This could cause a fairly rare deadlock.
Yes, I understand the VFS deadlock. I see, I didn't realize the call was against the directory, thank you for explaining. -Alfred _______________________________________________ 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"
