Refresh nodes when they're read from the start.

This is necessary for top, for instance, which keeps some files open and
re-reads them regularly. As an extra bonus we can drop the refresh hack.

* procfs.c, procfs.h: Remove the refresh hack.
  (procfs_refresh): New function, invalidates the cached contents.
* netfs.c (netfs_attempt_read, netfs_get_dirents): Call
  procfs_refresh when the read is from offset 0.
* proclist.c (proclist_make_node): Remove the refresh hack.
* dircat.c (dircat_make_node): Likewise.
  (dircat_get_contents): Use procfs_refresh to avoid keeping old data
  from the component nodes.

1 files changed, 0 insertions, 1 deletions

diff --git a/proclist.c b/proclist.c
index 38368feb..fe5d0cff 100644
--- a/proclist.c
+++ b/proclist.c
@@ -69,7 +69,6 @@ proclist_make_node (struct ps_context *pc)
     .get_contents = proclist_get_contents,
     .lookup = proclist_lookup,
     .cleanup_contents = procfs_cleanup_contents_with_free,
-    .enable_refresh_hack_and_break_readdir = 1,
   };
   return procfs_make_node (&ops, pc);
 }