Minor bugfix to pending store operation counts.

[bluesky.git] / nfs3 / nfs3.c

diff --git a/nfs3/nfs3.c b/nfs3/nfs3.c
index b0e5892..b479107 100644 (file)
--- 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);
@@ -1115,7 +1128,7 @@ void nfsproc3_commit_3_svc(commit3args *argp, RPCRequest *req)
     g_mutex_lock(inode->lock);
     encode_pre_wcc(&result.commit3res_u.resok.file_wcc, inode);
 
-    bluesky_inode_do_sync(inode);
+    //bluesky_inode_do_sync(inode);
 
     result.commit3res_u.resok.file_wcc.after.present = TRUE;
     encode_fattr3(&result.commit3res_u.resok.file_wcc.after.post_op_attr_u.attributes, inode);