From 621713ffc081513e7a439011ce6ff59aa7ca5caf Mon Sep 17 00:00:00 2001
From: nikita <nikita>
Date: Thu, 9 Nov 2006 10:35:57 +0000
Subject: [PATCH] mkfs_lustre.c: cap journal size at 2GB to avoid overflows.

---
 lustre/utils/mkfs_lustre.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lustre/utils/mkfs_lustre.c b/lustre/utils/mkfs_lustre.c
index 50a649c..cf2101f 100644
--- a/lustre/utils/mkfs_lustre.c
+++ b/lustre/utils/mkfs_lustre.c
@@ -451,6 +451,9 @@ int make_lustre_backfs(struct mkfs_opts *mop)
                         long journal_sz = 0;
                         if (device_sz > 1024 * 1024) /* 1GB */
                                 journal_sz = (device_sz / 102400) * 4;
+                        /* cap journal size at 2GB */
+                        if (journal_sz > 2048L)
+                                journal_sz = 2048L;
                         if (journal_sz) {
                                 sprintf(buf, " -J size=%ld", journal_sz);
                                 strcat(mop->mo_mkfsopts, buf);
-- 
1.8.3.1