On Wed, Mar 25, 2009 at 07:06:07PM +0530, Krishna Kumar wrote: > From: Krishna Kumar <krkumar2@xxxxxxxxxx> > > Patch summary: > -------------- > Change the caching from ino/dev to a file handle model. Advantages: > > 1. Since file handles are unique, this patch removes all dependencies on the > kernel readahead parameters and it's implementation; and instead caches > files based on file handles. > 2. Allows the server to not have to open/close a file multiple times when the > client reads it, and results in faster lookup times. > 3. Readahead is automatically taken care of since the file is not closed while > it is getting read (quickly) by the client. > 4. Another optimization is to avoid getting the cache lock twice for each read > operation (after the first time it is taken to update the cache). > 5. (ra_size, ra_depth retain the "ra" prefix for now, since I have not checked > whether changing that will break any user programs) You're referring here to the "ra" line in /proc/net/rpc/nfsd? --b. -- 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
