Add comment for fuse_passthrough_open()

See https://github.com/libfuse/libfuse/issues/1125

Signed-off-by: Maksim Harbachou <maksim.harbachou@resilio.com>

diff --git a/include/fuse_lowlevel.h b/include/fuse_lowlevel.h
index d0617ba35f5481c49a33c4c96e0dee5fda660a3f..b03b37aaeabe0be566531a170e0c50388692c399 100644 (file)
--- a/include/fuse_lowlevel.h
+++ b/include/fuse_lowlevel.h
@@ -1427,6 +1427,8 @@ int fuse_reply_readlink(fuse_req_t req, const char *link);
 /**
  * Setup passthrough backing file for open reply
  *
+ * Currently there should be only one backing id per node / backing file.
+ *
  * Possible requests:
  *   open, opendir, create
  *