[master] e264e7ea8 Remove the st_mtime check in vsm_refresh_set

[Martin Blix Grydeland]

commit e264e7ea80c42b5ddb389bb6885cb36123c5a73c
Author: Martin Blix Grydeland <martin at varnish-software.com>
Date:   Sat Aug 31 12:46:40 2019 +0200

    Remove the st_mtime check in vsm_refresh_set
    
    Now that we incrementally read the file, the check if the mtime of the
    index file has checked has to go away. If not, the index file will always
    be marked as new, forcing a reread of the entire index.

diff --git a/lib/libvarnishapi/vsm.c b/lib/libvarnishapi/vsm.c
index 29be668ef..d62089986 100644
--- a/lib/libvarnishapi/vsm.c
+++ b/lib/libvarnishapi/vsm.c
@@ -662,8 +662,7 @@ vsm_refresh_set(struct vsm *vd, struct vsm_set *vs)
 	    st.st_dev != vs->fst.st_dev ||
 	    st.st_mode != vs->fst.st_mode ||
 	    st.st_size < vs->fst.st_size ||
-	    st.st_nlink < 1 ||
-	    memcmp(&st.st_mtime, &vs->fst.st_mtime, sizeof st.st_mtime))) {
+	    st.st_nlink < 1)) {
 		closefd(&vs->fd);
 	}