On Tue, Apr 17, 2007 at 11:06:05PM -0400, Trond Myklebust wrote: > > > I've split the issues introduced by the 2.6.21-rcX write code up into 4 > > > subproblems. > > > > > > The first patch is just a cleanup in order to ease review. > > > > > > Patch number 2 ensures that we never release the PG_writeback flag until > > > _after_ we've either discarded the unstable request altogether, or put it > > > on the nfs_inode's commit or dirty lists. > > > > > > Patch number 3 fixes the 'desynchronized value of nfs_i.ncommit' error. It > > > uses the PG_NEED_COMMIT flag as an indicator for whether or not the request > > > may be redirtied. > > > > > > Patch number 4 protects the NFS '.set_page_dirty' address_space operation > > > against races with nfs_inode_add_request. > > > > For 2.6.21, yes? > > Right. A couple of nasty regressions have been sighted. This series > attempts to deal with them all. The good news is that the Gnome session log-in progresses to the point where both top and bottom bars are painted (gray) and the bottom bar is populated with icons (2.6.21-rc7 vanilla stops after displaying the splash). The bad news is that it stops there. Big-copy fails as well, after 2.5G transferred. The process traces are at: http://iucha.net/nfs/21-rc7-nfs1/gnome-session http://iucha.net/nfs/21-rc7-nfs1/big-copy Regards, florin -- Bruce Schneier expects the Spanish Inquisition. http://geekz.co.uk/schneierfacts/fact/163
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