NFS: Fix a list corruption problem
We must remove the request from whatever list it is currently on before we
can add it to the dirty list.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index e5d7cac..ad2e91b 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -280,8 +280,10 @@
spin_lock(req_lock);
}
spin_unlock(req_lock);
- if (nfs_set_page_writeback(page) == 0)
+ if (nfs_set_page_writeback(page) == 0) {
+ nfs_list_remove_request(req);
nfs_mark_request_dirty(req);
+ }
ret = test_bit(PG_NEED_FLUSH, &req->wb_flags);
nfs_unlock_request(req);
return ret;
