On Mon, Aug 10, 2015 at 07:23:51AM -0400, Jeff Layton wrote: > I did consider a shrinker and LRU list for this. The problem there is > that shrinkers are triggered on memory pressure. Keeping these files > open after they've been idle for a long period of time would prevent > the kernel from handing out leases on them, so closing them after a > reasonable idle period seemed like the right thing to do. True. > I suppose however we could use a shrinker/LRU _and_ add a mechanism > that would cause the kernel to close idle nfsd_files for an inode when > there is an attempt to do a F_SETLEASE. That would probably work, > unless I'm missing other reasons that keeping unused files open might > be problematic. Are there any? That seems reasonable. Keepign the file open also will prevent unmounting the file system, although currently any NFS export already causes that as well. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
