libdiskfs: Flush node to disk before removing it from the cache

libdiskfs' dosync goes through the cache to flush nodes to the disk.
We thus have to flush a node to the disk before removing it from the
cache in diskfs_try_dropping_softrefs.

1 files changed, 4 insertions, 0 deletions

diff --git a/libdiskfs/node-cache.c b/libdiskfs/node-cache.c
index d2815883..1ff19ade 100644
--- a/libdiskfs/node-cache.c
+++ b/libdiskfs/node-cache.c
@@ -163,6 +163,10 @@ diskfs_try_dropping_softrefs (struct node *np)
 
       hurd_ihash_locp_remove (&nodecache, np->slot);
       np->slot = NULL;
+
+      /* Flush node if needed, before forgetting it */
+      diskfs_node_update (np, diskfs_synchronous);
+
       diskfs_nrele_light (np);
     }
   pthread_rwlock_unlock (&nodecache_lock);