[PATCH v2 069/109] virtiofsd: passthrough_ll: disable readdirplus on cache=never

[Dr. David Alan Gilbert (git)]

From: Miklos Szeredi <mszer...@redhat.com>

...because the attributes sent in the READDIRPLUS reply would be discarded
anyway.

Signed-off-by: Miklos Szeredi <mszer...@redhat.com>
Reviewed-by: Daniel P. Berrangé <berra...@redhat.com>
---
 tools/virtiofsd/passthrough_ll.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index 6f3ad14141..ae364a4825 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -478,6 +478,10 @@ static void lo_init(void *userdata, struct fuse_conn_info 
*conn)
         fuse_log(FUSE_LOG_DEBUG, "lo_init: activating flock locks\n");
         conn->want |= FUSE_CAP_FLOCK_LOCKS;
     }
+    if (lo->cache == CACHE_NEVER) {
+        fuse_log(FUSE_LOG_DEBUG, "lo_init: disabling readdirplus\n");
+        conn->want &= ~FUSE_CAP_READDIRPLUS;
+    }
 }
 
 static void lo_getattr(fuse_req_t req, fuse_ino_t ino,
-- 
2.24.1