| commit | ba8b06e67ed7a560b0e7c80091bcadda4f4727a5 | [log] [tgz] |
|---|---|---|
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | Tue Apr 27 18:33:54 2010 -0400 |
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | Tue Apr 27 18:33:54 2010 -0400 |
| tree | cd737661ffb38a614697b1e055d68e7b41a7e982 | |
| parent | 71d0a6112a363e703e383ae5b12c492485c39701 [diff] |
NFS: Ensure that nfs_wb_page() waits for Pg_writeback to clear
Neil Brown reports that he is seeing the BUG_ON(ret == 0) trigger in
nfs_page_async_flush. According to the trace in
https://bugzilla.novell.com/show_bug.cgi?id=599628
the problem appears to be due to nfs_wb_page() not waiting for the
PG_writeback flag to clear.
There is a ditto problem in nfs_wb_page_cancel()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>