2011/6/11 Al Viro <viro@xxxxxxxxxxxxxxxxxx>: > On Sat, Jun 11, 2011 at 05:43:14AM -0400, Christoph Hellwig wrote: > >> Ok, if we look at sb-private data in the sget callsbacks it seems like >> the clreanup for those does indeed need to be done in ->kill_sb. I have >> to say I really hate it, and the culprit is that we call the sget test >> callback is called before we call grab_super in sget, that is we don't >> protect against filesystems going away. I suspect that is the real >> problem here. > > grab_super() is *heavy* and having to undo it even once means that we need to > rescan. Sorry, test() has to be callable without that. > In this case, I think we should follow NFS strategy and apply my patch as a workaround. Thoughts? -- Best regards, Pavel Shilovsky. -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
