LU-8849 ofd: Client hanges on ladvise with large start values

[fs/lustre-release.git] / lustre / ofd / ofd_dev.c

diff --git a/lustre/ofd/ofd_dev.c b/lustre/ofd/ofd_dev.c
index 2476f9e..c3d578e 100644 (file)
--- a/lustre/ofd/ofd_dev.c
+++ b/lustre/ofd/ofd_dev.c
@@ -692,7 +692,7 @@ static int ofd_procfs_init(struct ofd_device *ofd)
        /* lprocfs must be setup before the ofd so state can be safely added
         * to /proc incrementally as the ofd is setup */
        obd->obd_vars = lprocfs_ofd_obd_vars;
-       rc = lprocfs_obd_setup(obd);
+       rc = lprocfs_obd_setup(obd, false);
        if (rc) {
                CERROR("%s: lprocfs_obd_setup failed: %d.\n",
                       obd->obd_name, rc);
@@ -2138,7 +2138,7 @@ static int ofd_ladvise_prefetch(const struct lu_env *env,
        if (end > info->fti_attr.la_size)
                end = info->fti_attr.la_size;
 
-       if (end == 0)
+       if (end <= start)
                GOTO(out_unlock, rc);
 
        /* We need page aligned offset and length */