X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=nfs3%2Fnfs3.c;h=c5e444807f66952837811ffd5406c87ba2e41ba4;hb=d7d143ef0ccf0f49a8fd23a3c76bc68c0b04e07e;hp=b0e5892b6e221b5e8a92e18446bd67fb71c5baa7;hpb=da94a353dc1bfa08450ba5ed8bac5a1d89703a3d;p=bluesky.git

diff --git a/nfs3/nfs3.c b/nfs3/nfs3.c
index b0e5892..c5e4448 100644
--- a/nfs3/nfs3.c
+++ b/nfs3/nfs3.c
@@ -380,6 +380,19 @@ void nfsproc3_write_3_svc(write3args *argp, RPCRequest *req)
         return;
     }
 
+    /* FIXME: Hack to throttle writes when there is too much dirty data still
+     * to be written out. */
+    while (g_atomic_int_get(&fs->cache_dirty) > 4096
+           || g_atomic_int_get(&fs->cache_total) > 8192) {
+        g_print("Too many dirty pages (%d) or total pages (%d); throttling writes...\n",
+                g_atomic_int_get(&fs->cache_dirty),
+                g_atomic_int_get(&fs->cache_total));
+        struct timespec delay;
+        delay.tv_sec = 2;
+        delay.tv_nsec = 0;
+        nanosleep(&delay, NULL);
+    }
+
     g_mutex_lock(inode->lock);
 
     encode_pre_wcc(&wcc, inode);