LU-11288 osc: re-check target versus available grant

[fs/lustre-release.git] / lustre / target / tgt_grant.c

diff --git a/lustre/target/tgt_grant.c b/lustre/target/tgt_grant.c
index 42b5a67..99373cf 100644 (file)
--- a/lustre/target/tgt_grant.c
+++ b/lustre/target/tgt_grant.c
@@ -937,6 +937,8 @@ static long tgt_grant_alloc(struct obd_export *exp, u64 curgrant,
         * client would like to have by more than grants for 2 full
         * RPCs
         */
+       if (want + chunk <= ted->ted_grant)
+               RETURN(0);
        if (ted->ted_grant + grant > want + chunk)
                grant = want + chunk - ted->ted_grant;